Merge pull request #67 from Duy-Thanh/ipod_touch_1g

Prevent crash with error "Floating point exception" due to click fast on emulator

configs/devices/arm-softmmu/default.mak

@@ -42,3 +42,4 @@ CONFIG_FSL_IMX6UL=y
 CONFIG_SEMIHOSTING=y
 CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y
 CONFIG_ALLWINNER_H3=y
+CONFIG_IPOD_TOUCH=y

crypto/aes.c

@@ -1599,3 +1599,54 @@ void AES_decrypt(const unsigned char *in, unsigned char *out,
 }
 
 #endif /* AES_ASM */
+
+void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+                      const unsigned long length, const AES_KEY *key,
+                      unsigned char *ivec, const int enc)
+ {
+
+         unsigned long n;
+         unsigned long len = length;
+         unsigned char tmp[AES_BLOCK_SIZE];
+
+         assert(in && out && key && ivec);
+
+         if (enc) {
+                 while (len >= AES_BLOCK_SIZE) {
+                         for(n=0; n < AES_BLOCK_SIZE; ++n)
+                                 tmp[n] = in[n] ^ ivec[n];
+                         AES_encrypt(tmp, out, key);
+                         memcpy(ivec, out, AES_BLOCK_SIZE);
+                         len -= AES_BLOCK_SIZE;
+                         in += AES_BLOCK_SIZE;
+                         out += AES_BLOCK_SIZE;
+                 }
+                 if (len) {
+                         for(n=0; n < len; ++n)
+                                 tmp[n] = in[n] ^ ivec[n];
+                         for(n=len; n < AES_BLOCK_SIZE; ++n)
+                                 tmp[n] = ivec[n];
+                         AES_encrypt(tmp, tmp, key);
+                         memcpy(out, tmp, AES_BLOCK_SIZE);
+                         memcpy(ivec, tmp, AES_BLOCK_SIZE);
+                 }
+         } else {
+                 while (len >= AES_BLOCK_SIZE) {
+                         memcpy(tmp, in, AES_BLOCK_SIZE);
+                         AES_decrypt(in, out, key);
+                         for(n=0; n < AES_BLOCK_SIZE; ++n)
+                                 out[n] ^= ivec[n];
+                         memcpy(ivec, tmp, AES_BLOCK_SIZE);
+                         len -= AES_BLOCK_SIZE;
+                         in += AES_BLOCK_SIZE;
+                         out += AES_BLOCK_SIZE;
+                 }
+                 if (len) {
+                         memcpy(tmp, in, AES_BLOCK_SIZE);
+                         AES_decrypt(tmp, tmp, key);
+                         for(n=0; n < len; ++n)
+                                 out[n] = tmp[n] ^ ivec[n];
+                         memcpy(ivec, tmp, AES_BLOCK_SIZE);
+                 }
+         }
+ }

hw/arm/Kconfig

@@ -549,3 +549,8 @@ config ARMSSE
     select UNIMP
     select SSE_COUNTER
     select SSE_TIMER
+
+config IPOD_TOUCH
+    bool
+    select IPOD_TOUCH
+    select PL192

hw/arm/ipod_touch.c

@@ -0,0 +1,678 @@
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "hw/arm/boot.h"
+#include "exec/address-spaces.h"
+#include "hw/misc/unimp.h"
+#include "hw/irq.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/reset.h"
+#include "hw/platform-bus.h"
+#include "hw/block/flash.h"
+#include "hw/qdev-clock.h"
+#include "hw/arm/ipod_touch.h"
+#include "hw/arm/exynos4210.h"
+#include "hw/dma/pl080.h"
+#include <openssl/aes.h>
+
+static uint64_t tvout_workaround_read(void *opaque, hwaddr addr, unsigned size)
+{
+    return 0;
+}
+
+static void tvout_workaround_write(void *opaque, hwaddr addr, uint64_t value, unsigned size)
+{
+
+}
+
+static const MemoryRegionOps tvout_workaround_ops = {
+    .read = tvout_workaround_read,
+    .write = tvout_workaround_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void allocate_ram(MemoryRegion *top, const char *name, uint32_t addr, uint32_t size)
+{
+        MemoryRegion *sec = g_new(MemoryRegion, 1);
+        memory_region_init_ram(sec, NULL, name, size, &error_fatal);
+        memory_region_add_subregion(top, addr, sec);
+}
+
+static uint32_t align_64k_high(uint32_t addr)
+{
+    return (addr + 0xffffull) & ~0xffffull;
+}
+
+static void ipod_touch_cpu_setup(MachineState *machine, MemoryRegion **sysmem, ARMCPU **cpu, AddressSpace **nsas)
+{
+    Object *cpuobj = object_new(machine->cpu_type);
+    *cpu = ARM_CPU(cpuobj);
+    CPUState *cs = CPU(*cpu);
+
+    *sysmem = get_system_memory();
+
+    object_property_set_link(cpuobj, "memory", OBJECT(*sysmem), &error_abort);
+
+    object_property_set_bool(cpuobj, "has_el3", false, NULL);
+
+    object_property_set_bool(cpuobj, "has_el2", false, NULL);
+
+    object_property_set_bool(cpuobj, "realized", true, &error_fatal);
+
+    *nsas = cpu_get_address_space(cs, ARMASIdx_NS);
+
+    object_unref(cpuobj);
+}
+
+static void ipod_touch_cpu_reset(void *opaque)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE((MachineState *)opaque);
+    ARMCPU *cpu = nms->cpu;
+    CPUState *cs = CPU(cpu);
+
+    cpu_reset(cs);
+
+    //env->regs[0] = nms->kbootargs_pa;
+    //cpu_set_pc(CPU(cpu), 0xc00607ec);
+    cpu_set_pc(CPU(cpu), IBOOT_BASE);
+    //env->regs[0] = 0x9000000;
+    //cpu_set_pc(CPU(cpu), LLB_BASE + 0x100);
+    //cpu_set_pc(CPU(cpu), VROM_MEM_BASE);
+}
+
+/*
+USB PHYS
+*/
+static uint64_t s5l8900_usb_phys_read(void *opaque, hwaddr addr, unsigned size)
+{
+    s5l8900_usb_phys_s *s = opaque;
+
+    switch(addr)
+    {
+    case 0x0: // OPHYPWR
+        return s->usb_ophypwr;
+
+    case 0x4: // OPHYCLK
+        return s->usb_ophyclk;
+
+    case 0x8: // ORSTCON
+        return s->usb_orstcon;
+
+    case 0x20: // OPHYTUNE
+        return s->usb_ophytune;
+
+    default:
+        fprintf(stderr, "%s: read invalid location 0x%08x\n", __func__, addr);
+        return 0;
+    }
+
+    return 0;
+}
+
+static void s5l8900_usb_phys_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    s5l8900_usb_phys_s *s = opaque;
+
+    switch(addr)
+    {
+    case 0x0: // OPHYPWR
+        s->usb_ophypwr = val;
+        return;
+
+    case 0x4: // OPHYCLK
+        s->usb_ophyclk = val;
+        return;
+
+    case 0x8: // ORSTCON
+        s->usb_orstcon = val;
+        return;
+
+    case 0x20: // OPHYTUNE
+        s->usb_ophytune = val;
+        return;
+
+    default:
+        //hw_error("%s: write invalid location 0x%08x.\n", __func__, offset);
+        fprintf(stderr, "%s: write invalid location 0x%08x\n", __func__, addr);
+    }
+}
+
+static const MemoryRegionOps usb_phys_ops = {
+    .read = s5l8900_usb_phys_read,
+    .write = s5l8900_usb_phys_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+/*
+MBX
+*/
+static uint64_t s5l8900_mbx_read(void *opaque, hwaddr addr, unsigned size)
+{
+    //fprintf(stderr, "%s: read from location 0x%08x\n", __func__, addr);
+    switch(addr)
+    {
+        case 0x12c:
+            return 0x100;
+        case 0xf00:
+            return (1 << 0x18) | 0x10000; // seems to be some kind of identifier
+        case 0x1020:
+            return 0x10000;
+        default:
+            break;
+    }
+    return 0;
+}
+
+static void s5l8900_mbx_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    //fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, val, addr);
+    // do nothing
+}
+
+static const MemoryRegionOps mbx_ops = {
+    .read = s5l8900_mbx_read,
+    .write = s5l8900_mbx_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_memory_setup(MachineState *machine, MemoryRegion *sysmem, AddressSpace *nsas)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(machine);
+    DriveInfo *dinfo;
+
+    allocate_ram(sysmem, "sram1", SRAM1_MEM_BASE, 0x10000);
+
+    // allocate UART ram
+    allocate_ram(sysmem, "ram", RAM_MEM_BASE, 0x8000000);
+
+    // load the bootrom (vrom)
+    uint8_t *file_data = NULL;
+    unsigned long fsize;
+    if (g_file_get_contents(nms->bootrom_path, (char **)&file_data, &fsize, NULL)) {
+        allocate_ram(sysmem, "vrom", VROM_MEM_BASE, 0x10000);
+        address_space_rw(nsas, VROM_MEM_BASE, MEMTXATTRS_UNSPECIFIED, (uint8_t *)file_data, fsize, 1);
+    }
+
+    // patch the address table to point to our own routines
+    uint32_t *data = malloc(4);
+    data[0] = LLB_BASE + 0x80;
+    address_space_rw(nsas, 0x2000008c, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, 4, 1);
+    data[0] = LLB_BASE + 0x100;
+    address_space_rw(nsas, 0x20000090, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, 4, 1);
+
+    // load iBoot
+    file_data = NULL;
+    if (g_file_get_contents(nms->iboot_path, (char **)&file_data, &fsize, NULL)) {
+        allocate_ram(sysmem, "iboot", IBOOT_BASE, 0x400000);
+        address_space_rw(nsas, IBOOT_BASE, MEMTXATTRS_UNSPECIFIED, (uint8_t *)file_data, fsize, 1);
+     }
+
+    // // load LLB
+    // file_data = NULL;
+    // if (g_file_get_contents("/Users/martijndevos/Documents/ipod_touch_emulation/LLB.n45ap.RELEASE", (char **)&file_data, &fsize, NULL)) {
+    //     allocate_ram(sysmem, "llb", LLB_BASE, align_64k_high(fsize));
+    //     address_space_rw(nsas, LLB_BASE, MEMTXATTRS_UNSPECIFIED, (uint8_t *)file_data, fsize, 1);
+    //  }
+
+    allocate_ram(sysmem, "edgeic", EDGEIC_MEM_BASE, 0x1000);
+    allocate_ram(sysmem, "watchdog", WATCHDOG_MEM_BASE, align_64k_high(0x1));
+
+    allocate_ram(sysmem, "iis0", IIS0_MEM_BASE, align_64k_high(0x1));
+    allocate_ram(sysmem, "iis1", IIS1_MEM_BASE, align_64k_high(0x1));
+    allocate_ram(sysmem, "iis2", IIS2_MEM_BASE, align_64k_high(0x1));
+
+    allocate_ram(sysmem, "mpvd", MPVD_MEM_BASE, 0x70000);
+    allocate_ram(sysmem, "h264bpd", H264BPD_MEM_BASE, 4096);
+
+    allocate_ram(sysmem, "framebuffer", FRAMEBUFFER_MEM_BASE, align_64k_high(4 * 320 * 480));
+
+    // setup 1MB NOR
+    dinfo = drive_get(IF_PFLASH, 0, 0);
+    if (!dinfo) {
+        printf("A NOR image must be given with the -pflash parameter\n");
+        abort();
+    }
+
+    if(!pflash_cfi02_register(NOR_MEM_BASE, "nor", 1024 * 1024, dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, 4096, 1, 2, 0x00bf, 0x273f, 0x0, 0x0, 0x555, 0x2aa, 0)) {
+        printf("Error registering NOR flash!\n");
+        abort();
+    }
+}
+
+static char *ipod_touch_get_bootrom_path(Object *obj, Error **errp)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(obj);
+    return g_strdup(nms->bootrom_path);
+}
+
+static void ipod_touch_set_bootrom_path(Object *obj, const char *value, Error **errp)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(obj);
+    g_strlcpy(nms->bootrom_path, value, sizeof(nms->bootrom_path));
+}
+
+static char *ipod_touch_get_iboot_path(Object *obj, Error **errp)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(obj);
+    return g_strdup(nms->iboot_path);
+}
+
+static void ipod_touch_set_iboot_path(Object *obj, const char *value, Error **errp)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(obj);
+    g_strlcpy(nms->iboot_path, value, sizeof(nms->iboot_path));
+}
+
+static char *ipod_touch_get_nand_path(Object *obj, Error **errp)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(obj);
+    return g_strdup(nms->nand_path);
+}
+
+static void ipod_touch_set_nand_path(Object *obj, const char *value, Error **errp)
+{
+    IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(obj);
+    g_strlcpy(nms->nand_path, value, sizeof(nms->nand_path));
+}
+
+static void ipod_touch_instance_init(Object *obj)
+{
+	object_property_add_str(obj, "bootrom", ipod_touch_get_bootrom_path, ipod_touch_set_bootrom_path);
+    object_property_set_description(obj, "bootrom", "Path to the S5L8900 bootrom binary");
+
+    object_property_add_str(obj, "iboot", ipod_touch_get_iboot_path, ipod_touch_set_iboot_path);
+    object_property_set_description(obj, "iboot", "Path to the iBoot binary");
+
+    object_property_add_str(obj, "nand", ipod_touch_get_nand_path, ipod_touch_set_nand_path);
+    object_property_set_description(obj, "nand", "Path to the NAND files");
+}
+
+static inline qemu_irq s5l8900_get_irq(IPodTouchMachineState *s, int n)
+{
+    return s->irq[n / S5L8900_VIC_SIZE][n % S5L8900_VIC_SIZE];
+}
+
+static uint32_t s5l8900_usb_hwcfg[] = {
+    0,
+    0x7a8f60d0,
+    0x082000e8,
+    0x01f08024
+};
+
+static void ipod_touch_key_event(void *opaque, int keycode)
+{
+    bool do_irq = false;
+    int gpio_group = 0, gpio_selector = 0;
+
+    IPodTouchMultitouchState *s = (IPodTouchMultitouchState *)opaque;
+    if(keycode == 25 || keycode == 153) {
+        // power button
+        gpio_group = GPIO_BUTTON_POWER_IRQ / NUM_GPIO_PINS;
+        gpio_selector = GPIO_BUTTON_POWER_IRQ % NUM_GPIO_PINS;
+        
+        if(keycode == 25 && (s->gpio_state->gpio_state & (1 << (GPIO_BUTTON_POWER & 0xf))) == 0) {
+            s->gpio_state->gpio_state |= (1 << (GPIO_BUTTON_POWER & 0xf));
+            do_irq = true;
+        }
+        else if(keycode == 153) {
+            s->gpio_state->gpio_state &= ~(1 << (GPIO_BUTTON_POWER & 0xf));
+            do_irq = true;
+        }
+    }
+    else if(keycode == 35 || keycode == 163) {
+        // home button
+        gpio_group = GPIO_BUTTON_HOME_IRQ / NUM_GPIO_PINS;
+        gpio_selector = GPIO_BUTTON_HOME_IRQ % NUM_GPIO_PINS;
+
+        if(keycode == 35 && (s->gpio_state->gpio_state & (1 << (GPIO_BUTTON_HOME & 0xf))) == 0) {
+            s->gpio_state->gpio_state |= (1 << (GPIO_BUTTON_HOME & 0xf));
+            do_irq = true;
+        }
+        else if(keycode == 163) {
+            s->gpio_state->gpio_state &= ~(1 << (GPIO_BUTTON_HOME & 0xf));
+            do_irq = true;
+        }
+    }
+    
+    if(do_irq) {
+        s->sysic->gpio_int_status[gpio_group] |= (1 << gpio_selector);
+        qemu_irq_raise(s->sysic->gpio_irqs[gpio_group]);
+    }
+}
+
+static void ipod_touch_machine_init(MachineState *machine)
+{
+	IPodTouchMachineState *nms = IPOD_TOUCH_MACHINE(machine);
+	MemoryRegion *sysmem;
+    AddressSpace *nsas;
+    ARMCPU *cpu;
+
+    ipod_touch_cpu_setup(machine, &sysmem, &cpu, &nsas);
+
+    // setup clock
+    nms->sysclk = clock_new(OBJECT(machine), "SYSCLK");
+    clock_set_hz(nms->sysclk, 12000000ULL);
+
+    nms->cpu = cpu;
+
+    // setup VICs
+    nms->irq = g_malloc0(sizeof(qemu_irq *) * 2);
+    DeviceState *dev = pl192_manual_init("vic0", qdev_get_gpio_in(DEVICE(nms->cpu), ARM_CPU_IRQ), qdev_get_gpio_in(DEVICE(nms->cpu), ARM_CPU_FIQ), NULL);
+    PL192State *s = PL192(dev);
+    nms->vic0 = s;
+    memory_region_add_subregion(sysmem, VIC0_MEM_BASE, &nms->vic0->iomem);
+    nms->irq[0] = g_malloc0(sizeof(qemu_irq) * 32);
+    for (int i = 0; i < 32; i++) { nms->irq[0][i] = qdev_get_gpio_in(dev, i); }
+
+    dev = pl192_manual_init("vic1", NULL);
+    s = PL192(dev);
+    nms->vic1 = s;
+    memory_region_add_subregion(sysmem, VIC1_MEM_BASE, &nms->vic1->iomem);
+    nms->irq[1] = g_malloc0(sizeof(qemu_irq) * 32);
+    for (int i = 0; i < 32; i++) { nms->irq[1][i] = qdev_get_gpio_in(dev, i); }
+
+    // // chain VICs together
+    nms->vic1->daisy = nms->vic0;
+
+    // init clock 0
+    dev = qdev_new("ipodtouch.clock");
+    IPodTouchClockState *clock0_state = IPOD_TOUCH_CLOCK(dev);
+    nms->clock0 = clock0_state;
+    memory_region_add_subregion(sysmem, CLOCK0_MEM_BASE, &clock0_state->iomem);
+
+    // init clock 1
+    dev = qdev_new("ipodtouch.clock");
+    IPodTouchClockState *clock1_state = IPOD_TOUCH_CLOCK(dev);
+    nms->clock1 = clock1_state;
+    memory_region_add_subregion(sysmem, CLOCK1_MEM_BASE, &clock1_state->iomem);
+
+    // init the timer
+    dev = qdev_new("ipodtouch.timer");
+    IPodTouchTimerState *timer_state = IPOD_TOUCH_TIMER(dev);
+    nms->timer1 = timer_state;
+    memory_region_add_subregion(sysmem, TIMER1_MEM_BASE, &timer_state->iomem);
+    SysBusDevice *busdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_TIMER1_IRQ));
+    timer_state->sysclk = nms->sysclk;
+
+    // init sysic
+    dev = qdev_new("ipodtouch.sysic");
+    IPodTouchSYSICState *sysic_state = IPOD_TOUCH_SYSIC(dev);
+    nms->sysic = (IPodTouchSYSICState *) g_malloc0(sizeof(struct IPodTouchSYSICState));
+    memory_region_add_subregion(sysmem, SYSIC_MEM_BASE, &sysic_state->iomem);
+    busdev = SYS_BUS_DEVICE(dev);
+    for(int grp = 0; grp < GPIO_NUMINTGROUPS; grp++) {
+        sysbus_connect_irq(busdev, grp, s5l8900_get_irq(nms, S5L8900_GPIO_IRQS[grp]));
+    }
+
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G0_IRQ));
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G1_IRQ));
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G2_IRQ));
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G3_IRQ));
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G4_IRQ));
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G5_IRQ));
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_GPIO_G6_IRQ));
+
+    // init GPIO
+    dev = qdev_new("ipodtouch.gpio");
+    IPodTouchGPIOState *gpio_state = IPOD_TOUCH_GPIO(dev);
+    nms->gpio_state = gpio_state;
+    memory_region_add_subregion(sysmem, GPIO_MEM_BASE, &gpio_state->iomem);
+
+    // init SDIO
+    dev = qdev_new("ipodtouch.sdio");
+    IPodTouchSDIOState *sdio_state = IPOD_TOUCH_SDIO(dev);
+    nms->sdio_state = sdio_state;
+    memory_region_add_subregion(sysmem, SDIO_MEM_BASE, &sdio_state->iomem);
+
+    dev = exynos4210_uart_create(UART0_MEM_BASE, 256, 0, serial_hd(0), nms->irq[0][24]);
+    if (!dev) {
+        printf("Failed to create uart0 device!\n");
+        abort();
+    }
+
+    dev = exynos4210_uart_create(UART1_MEM_BASE, 256, 1, serial_hd(1), nms->irq[0][25]);
+    if (!dev) {
+        printf("Failed to create uart1 device!\n");
+        abort();
+    }
+
+    dev = exynos4210_uart_create(UART2_MEM_BASE, 256, 2, serial_hd(2), nms->irq[0][26]);
+    if (!dev) {
+        printf("Failed to create uart2 device!\n");
+        abort();
+    }
+
+    dev = exynos4210_uart_create(UART3_MEM_BASE, 256, 3, serial_hd(3), nms->irq[0][27]);
+    if (!dev) {
+        printf("Failed to create uart3 device!\n");
+        abort();
+    }
+
+    dev = exynos4210_uart_create(UART4_MEM_BASE, 256, 4, serial_hd(4), nms->irq[0][28]);
+    if (!dev) {
+        printf("Failed to create uart4 device!\n");
+        abort();
+    }
+
+    // init spis
+    set_spi_base(0);
+    sysbus_create_simple("s5l8900spi", SPI0_MEM_BASE, s5l8900_get_irq(nms, S5L8900_SPI0_IRQ));
+
+    set_spi_base(1);
+    sysbus_create_simple("s5l8900spi", SPI1_MEM_BASE, s5l8900_get_irq(nms, S5L8900_SPI1_IRQ));
+
+    set_spi_base(2);
+    dev = sysbus_create_simple("s5l8900spi", SPI2_MEM_BASE, s5l8900_get_irq(nms, S5L8900_SPI2_IRQ));
+    S5L8900SPIState *spi2_state = S5L8900SPI(dev);
+    spi2_state->mt->sysic = sysic_state;
+    spi2_state->mt->gpio_state = gpio_state;
+    nms->spi2_state = spi2_state;
+
+    ipod_touch_memory_setup(machine, sysmem, nsas);
+
+    // init LCD
+    dev = qdev_new("ipodtouch.lcd");
+    IPodTouchLCDState *lcd_state = IPOD_TOUCH_LCD(dev);
+    lcd_state->sysmem = sysmem;
+    lcd_state->mt = spi2_state->mt;
+    nms->lcd_state = lcd_state;
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_LCD_IRQ));
+    memory_region_add_subregion(sysmem, DISPLAY_MEM_BASE, &lcd_state->iomem);
+    sysbus_realize(busdev, &error_fatal);
+
+    // init AES engine
+    dev = qdev_new("ipodtouch.aes");
+    S5L8900AESState *aes_state = IPOD_TOUCH_AES(dev);
+    nms->aes_state = aes_state;
+    memory_region_add_subregion(sysmem, AES_MEM_BASE, &aes_state->iomem);
+
+    // init SHA1 engine
+    dev = qdev_new("ipodtouch.sha1");
+    S5L8900SHA1State *sha1_state = IPOD_TOUCH_SHA1(dev);
+    nms->sha1_state = sha1_state;
+    memory_region_add_subregion(sysmem, SHA1_MEM_BASE, &sha1_state->iomem);
+
+    // init 8900 engine
+    MemoryRegion *iomem = g_new(MemoryRegion, 1);
+    memory_region_init_io(iomem, OBJECT(s), &engine_8900_ops, nsas, "8900engine", 0x100);
+    memory_region_add_subregion(sysmem, ENGINE_8900_MEM_BASE, iomem);
+
+    // init NAND flash
+    dev = qdev_new("itnand");
+    ITNandState *nand_state = ITNAND(dev);
+    nand_state->nand_path = &nms->nand_path;
+    nms->nand_state = nand_state;
+    memory_region_add_subregion(sysmem, NAND_MEM_BASE, &nand_state->iomem);
+
+    // init NAND ECC module
+    dev = qdev_new("itnand_ecc");
+    ITNandECCState *nand_ecc_state = ITNANDECC(dev);
+    nms->nand_ecc_state = nand_ecc_state;
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_NAND_ECC_IRQ));
+    memory_region_add_subregion(sysmem, NAND_ECC_MEM_BASE, &nand_ecc_state->iomem);
+
+    // init USB OTG
+    dev = ipod_touch_init_usb_otg(nms->irq[0][13], s5l8900_usb_hwcfg);
+    synopsys_usb_state *usb_otg = S5L8900USBOTG(dev);
+    nms->usb_otg = usb_otg;
+    memory_region_add_subregion(sysmem, USBOTG_MEM_BASE, &nms->usb_otg->iomem);
+
+    // init USB PHYS
+    s5l8900_usb_phys_s *usb_state = malloc(sizeof(s5l8900_usb_phys_s));
+    nms->usb_phys = usb_state;
+    usb_state->usb_ophypwr = 0;
+    usb_state->usb_ophyclk = 0;
+    usb_state->usb_orstcon = 0;
+    usb_state->usb_ophytune = 0;
+
+    iomem = g_new(MemoryRegion, 1);
+    memory_region_init_io(iomem, OBJECT(s), &usb_phys_ops, usb_state, "usbphys", 0x40);
+    memory_region_add_subregion(sysmem, USBPHYS_MEM_BASE, iomem);
+
+    // init 8900 OPS
+    allocate_ram(sysmem, "8900ops", LLB_BASE, 0x1000);
+
+    // patch the instructions related to 8900 decryption
+    uint32_t *data = malloc(sizeof(uint32_t) * 2);
+    data[0] = 0xe3b00001; // MOVS R0, #1
+    data[1] = 0xe12fff1e; // BX LR
+    address_space_rw(nsas, LLB_BASE + 0x80, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, sizeof(uint32_t) * 2, 1);
+
+    /*
+    load the decryption logic in memory. These bytes correspond to the following ARMv6 instructions:
+
+        LDR r1,[pc,#0x100]
+        STR r0,[r1]
+        MOVS R0, #1
+        BX lr
+    */
+    data = malloc(sizeof(uint32_t) * 4);
+    data[0] = 0xE59F1100; // LDR r1,[pc,#0x100]
+    data[1] = 0xE5810000; // STR r0,[r1]
+    data[2] = 0xE3B00001; // MOVS R0, #1
+    data[3] = 0xE12FFF1E; // BX lr
+    address_space_rw(nsas, LLB_BASE + 0x100, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, sizeof(uint32_t) * 4, 1);
+
+    // contains some constants
+    data = malloc(4);
+    data[0] = ENGINE_8900_MEM_BASE; // engine base address
+    address_space_rw(nsas, LLB_BASE + 0x208, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, 4, 1);
+
+    // init two pl080 DMAC0 devices
+    dev = qdev_new("pl080");
+    PL080State *pl080_1 = PL080(dev);
+    object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem), &error_fatal);
+    memory_region_add_subregion(sysmem, DMAC0_MEM_BASE, &pl080_1->iomem);
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_realize(busdev, &error_fatal);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_DMAC0_IRQ));
+
+    dev = qdev_new("pl080");
+    PL080State *pl080_2 = PL080(dev);
+    object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem), &error_fatal);
+    memory_region_add_subregion(sysmem, DMAC1_MEM_BASE, &pl080_2->iomem);
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_realize(busdev, &error_fatal);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_DMAC1_IRQ));
+
+    // Init I2C
+    dev = qdev_new("ipodtouch.i2c");
+    IPodTouchI2CState *i2c_state = IPOD_TOUCH_I2C(dev);
+    nms->i2c0_state = i2c_state;
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_I2C0_IRQ));
+    memory_region_add_subregion(sysmem, I2C0_MEM_BASE, &i2c_state->iomem);
+
+    // init the accelerometer
+    I2CSlave *accelerometer = i2c_slave_create_simple(i2c_state->bus, "lis302dl", 0x1D);
+
+    dev = qdev_new("ipodtouch.i2c");
+    i2c_state = IPOD_TOUCH_I2C(dev);
+    nms->i2c1_state = i2c_state;
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_I2C1_IRQ));
+    memory_region_add_subregion(sysmem, I2C1_MEM_BASE, &i2c_state->iomem);
+
+    // init the PMU
+    I2CSlave *pmu = i2c_slave_create_simple(i2c_state->bus, "pcf50633", 0x73);
+
+    // init the ADM
+    dev = qdev_new("ipodtouch.adm");
+    IPodTouchADMState *adm_state = IPOD_TOUCH_ADM(dev);
+    adm_state->nand_state = nand_state;
+    nms->adm_state = adm_state;
+    object_property_set_link(OBJECT(dev), "downstream", OBJECT(sysmem), &error_fatal);
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_realize(busdev, &error_fatal);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_ADM_IRQ));
+    memory_region_add_subregion(sysmem, ADM_MEM_BASE, &adm_state->iomem);
+
+    // init MBX
+    iomem = g_new(MemoryRegion, 1);
+    memory_region_init_io(iomem, OBJECT(nms), &mbx_ops, NULL, "mbx", 0x1000000);
+    memory_region_add_subregion(sysmem, MBX_MEM_BASE, iomem);
+
+    // init the chip ID module
+    dev = qdev_new("ipodtouch.chipid");
+    IPodTouchChipIDState *chipid_state = IPOD_TOUCH_CHIPID(dev);
+    nms->chipid_state = chipid_state;
+    memory_region_add_subregion(sysmem, CHIPID_MEM_BASE, &chipid_state->iomem);
+
+    // init the TVOut instances
+    dev = qdev_new("ipodtouch.tvout");
+    IPodTouchTVOutState *tvout_state = IPOD_TOUCH_TVOUT(dev);
+    tvout_state->index = 1;
+    nms->tvout1_state = tvout_state;
+    memory_region_add_subregion(sysmem, TVOUT1_MEM_BASE, &tvout_state->iomem);
+
+    dev = qdev_new("ipodtouch.tvout");
+    tvout_state = IPOD_TOUCH_TVOUT(dev);
+    tvout_state->index = 2;
+    nms->tvout2_state = tvout_state;
+    memory_region_add_subregion(sysmem, TVOUT2_MEM_BASE, &tvout_state->iomem);
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(busdev, 0, s5l8900_get_irq(nms, S5L8900_TVOUT_SDO_IRQ));
+
+    dev = qdev_new("ipodtouch.tvout");
+    tvout_state = IPOD_TOUCH_TVOUT(dev);
+    tvout_state->index = 3;
+    nms->tvout3_state = tvout_state;
+    memory_region_add_subregion(sysmem, TVOUT3_MEM_BASE, &tvout_state->iomem);
+
+    // setup workaround for TVOut
+    iomem = g_new(MemoryRegion, 1);
+    memory_region_init_io(iomem, OBJECT(nms), &tvout_workaround_ops, NULL, "tvoutworkaround", 0x4);
+    memory_region_add_subregion(sysmem, TVOUT_WORKAROUND_MEM_BASE, iomem);
+
+    qemu_register_reset(ipod_touch_cpu_reset, nms);
+
+    qemu_add_kbd_event_handler(ipod_touch_key_event, spi2_state->mt);
+}
+
+static void ipod_touch_machine_class_init(ObjectClass *obj, void *data)
+{
+    MachineClass *mc = MACHINE_CLASS(obj);
+    mc->desc = "iPod Touch";
+    mc->init = ipod_touch_machine_init;
+    mc->max_cpus = 1;
+    mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1176");
+}
+
+static const TypeInfo ipod_touch_machine_info = {
+    .name          = TYPE_IPOD_TOUCH_MACHINE,
+    .parent        = TYPE_MACHINE,
+    .instance_size = sizeof(IPodTouchMachineState),
+    .class_size    = sizeof(IPodTouchMachineClass),
+    .class_init    = ipod_touch_machine_class_init,
+    .instance_init = ipod_touch_instance_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_machine_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_8900_engine.c

@@ -0,0 +1 @@
+#include "hw/arm/ipod_touch_8900_engine.h"

hw/arm/ipod_touch_adm.c

@@ -0,0 +1,276 @@
+#include "hw/arm/ipod_touch_adm.h"
+#include "hw/qdev-properties.h"
+#include "hw/arm/ipod_touch_nand.h"
+#include "qapi/error.h"
+
+static void set_bank(ITNandState *s, uint8_t activate_bank) {
+    for(int bank = 0; bank < 8; bank++) {
+        // clear bit, toggle if it is active
+        s->fmctrl0 &= ~(1 << (bank + 1));
+        if(bank == activate_bank) {
+            s->fmctrl0 ^= 1 << (bank + 1);
+        }
+    }
+}
+
+static uint64_t ipod_touch_adm_read(void *opaque, hwaddr offset, unsigned size)
+{
+    //IPodTouchADMState *s = (IPodTouchADMState *)opaque;
+
+    //fprintf(stderr, "s5l8900_adm_read(): offset = 0x%08x\n", offset);
+
+    switch (offset) {
+        case ADM_CTRL: // this seems to be the control register
+            return 0x2; // this seems to indicate that the device is ready
+        case ADM_CTRL2:
+            return 0x10; // indicates that a upload event has been finished
+        default:
+            break;
+    }
+
+    return 0;
+}
+
+static void ipod_touch_adm_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+    IPodTouchADMState *s = (IPodTouchADMState *)opaque;
+
+    //fprintf(stderr, "s5l8900_adm_write: offset = 0x%08x, val = 0x%08x\n", offset, value);
+
+    switch(offset) {
+        case ADM_CTRL:
+            if(value == 0x3) {
+                // some kind of start-up command?
+                // write some bits to data2_sec_addr to indicate that the device is started
+                uint32_t *data = (uint32_t *) malloc(sizeof(uint32_t));
+                data[0] = 0x50;
+                address_space_rw(&s->downstream_as, s->data2_sec_addr, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, 4, 1);
+
+                // dunno, write some bytes to data4_sec_addr to indicate that the NAND banks are ready
+                data = (uint32_t *) malloc(sizeof(uint32_t) * 8);
+                for(int i = 0; i < 8; i++) {
+                    data[i] = NAND_CHIP_ID;
+                }
+                
+                address_space_rw(&s->downstream_as, s->data3_sec_addr, MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, 8 * sizeof(uint32_t), 1);
+            }
+            break;
+        case ADM_CTRL2:
+            if(value == 0x2) {
+                // read the command and initialize the right device
+                uint32_t page;
+                uint16_t num_pages;
+                uint8_t bank;
+                uint32_t *buf = malloc(80);
+                address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x24, MEMTXATTRS_UNSPECIFIED, buf, 80);
+                int cmd = *buf;
+                // printf("Setting command: 0x%08x\n", cmd);
+                // for(int i = 0; i < 20; i++) {
+                //     printf("0x%08x ", buf[i]);
+                // }
+                // printf("\n");
+                switch(cmd) {
+                    case 0x200:
+                        // read multiple pages simultaneously from the same bank
+                        s->nand_state->reading_multiple_pages = true;
+                        buf = malloc(2);
+                        address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x28, MEMTXATTRS_UNSPECIFIED, buf, 2);
+                        num_pages = *(uint16_t*)buf;
+                        num_pages = ( (((num_pages) >> 8) & 0x00FF) | (((num_pages) << 8) & 0xFF00) ); // swap endianness
+                        //printf("Reading %d pages at once, ", num_pages);
+
+                        buf = malloc(4);
+                        address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x244, MEMTXATTRS_UNSPECIFIED, buf, 4);
+                        page = *buf;
+                        page = ((page>>24)&0xff) | // move byte 3 to byte 0
+                               ((page<<8)&0xff0000) | // move byte 1 to byte 2
+                               ((page>>8)&0xff00) | // move byte 2 to byte 1
+                               ((page<<24)&0xff000000); // byte 0 to byte 3
+                        //printf("starting with page %d\n", page);
+
+                        uint16_t ops = num_pages / 8;
+                        for(int op = 0; op < ops; op++) {
+                            for(int i = 0; i < 8; i++) {
+                                s->nand_state->pages_to_read[op * 8 + i] = page;
+                                s->nand_state->banks_to_read[op * 8 + i] = i;
+                            }
+                            page++;
+                        }
+
+                        s->nand_state->fmdnum = (num_pages * 0x800);
+                        s->nand_state->cur_bank_reading = -1;
+
+                        for(int i = 0; i < num_pages; i++) {
+                            uint8_t *sbuf = malloc(0xC);
+                            sbuf[10] = 0xFF;
+                            address_space_rw(&s->downstream_as, s->data3_sec_addr + i * 0xC, MEMTXATTRS_UNSPECIFIED, sbuf, 0xC, 1);
+                        }
+                        
+                        break;
+                    case 0x300:
+                        // seems to be the NAND read command, read the page(s) + bank and instruct the flash device
+                        s->nand_state->reading_multiple_pages = false;
+                        buf = malloc(2);
+                        address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x28, MEMTXATTRS_UNSPECIFIED, buf, 2);
+                        num_pages = *(uint16_t*)buf;
+                        num_pages = ( (((num_pages) >> 8) & 0x00FF) | (((num_pages) << 8) & 0xFF00) ); // swap endianness
+                        if(num_pages == 1) {
+                            // TODO this can probably be refactored to re-use the logic to read multiple pages!
+                            address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x44, MEMTXATTRS_UNSPECIFIED, buf, 1);
+                            bank = *(uint8_t*)buf;
+
+                            buf = malloc(4);
+                            address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x244, MEMTXATTRS_UNSPECIFIED, buf, 4);
+                            page = *buf;
+                            page = ((page>>24)&0xff) | // move byte 3 to byte 0
+                                   ((page<<8)&0xff0000) | // move byte 1 to byte 2
+                                   ((page>>8)&0xff00) | // move byte 2 to byte 1
+                                   ((page<<24)&0xff000000); // byte 0 to byte 3
+                            //printf("Reading single page: %d (bank: %d)\n", page, bank);
+
+                            // set the bank, page, and operation.
+                            set_bank(s->nand_state, bank);
+                            memory_region_dispatch_write(&s->nand_state->iomem, NAND_FMDNUM, 0x800 - 1, MO_32, MEMTXATTRS_UNSPECIFIED);
+                            memory_region_dispatch_write(&s->nand_state->iomem, NAND_FMADDR0, page << 16, MO_32, MEMTXATTRS_UNSPECIFIED);
+                            memory_region_dispatch_write(&s->nand_state->iomem, NAND_FMADDR1, (page >> 16) & 0xFF, MO_32, MEMTXATTRS_UNSPECIFIED);
+                            memory_region_dispatch_write(&s->nand_state->iomem, NAND_CMD, NAND_CMD_READ, MO_32, MEMTXATTRS_UNSPECIFIED);
+
+                            // write the spare of the page to the 3rd data section
+                            nand_set_buffered_page(s->nand_state, page);
+                            address_space_rw(&s->downstream_as, s->data3_sec_addr, MEMTXATTRS_UNSPECIFIED, (uint8_t *)s->nand_state->page_spare_buffer, NAND_BYTES_PER_SPARE, 1);
+                        }
+                        else if(num_pages > 1) {
+                            // read scattered pages
+                            // printf("Reading %d scattered pages\n", num_pages);
+                            s->nand_state->reading_multiple_pages = true;
+                            for(int i = 0; i < num_pages; i++) {
+                                buf = malloc(4);
+                                address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x244 + 4 * i, MEMTXATTRS_UNSPECIFIED, buf, 4);
+                                page = *buf;
+                                page = ((page>>24)&0xff) | // move byte 3 to byte 0
+                                       ((page<<8)&0xff0000) | // move byte 1 to byte 2
+                                       ((page>>8)&0xff00) | // move byte 2 to byte 1
+                                       ((page<<24)&0xff000000); // byte 0 to byte 3
+
+                                buf = malloc(1);
+                                address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x44 + i, MEMTXATTRS_UNSPECIFIED, buf, 1);
+                                bank = *(uint8_t*)buf;
+                                // printf("Page: %d, bank: %d\n", page, bank);
+
+                                s->nand_state->pages_to_read[i] = page;
+                                s->nand_state->banks_to_read[i] = bank;
+                            }
+
+                            s->nand_state->fmdnum = (num_pages * 0x800);
+                            s->nand_state->cur_bank_reading = -1;
+
+                            for(int i = 0; i < num_pages; i++) {
+                                uint8_t *sbuf = malloc(0xC);
+                                sbuf[10] = 0xFF;
+                                address_space_rw(&s->downstream_as, s->data3_sec_addr + i * 0xC, MEMTXATTRS_UNSPECIFIED, sbuf, 0xC, 1);
+                            }
+                        }
+                        break;
+                    case 0x500:
+                        // writing a page
+                        buf = malloc(1);
+                        address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x44, MEMTXATTRS_UNSPECIFIED, buf, 1);
+                        bank = *(uint8_t*)buf;
+
+                        buf = malloc(4);
+                        address_space_read(&s->downstream_as, s->data2_sec_addr + 0x1104 + 0x244, MEMTXATTRS_UNSPECIFIED, buf, 4);
+                        page = *buf;
+                        page = ((page>>24)&0xff) | // move byte 3 to byte 0
+                               ((page<<8)&0xff0000) | // move byte 1 to byte 2
+                               ((page>>8)&0xff00) | // move byte 2 to byte 1
+                               ((page<<24)&0xff000000); // byte 0 to byte 3
+
+                        // set the bank, page, and operation.
+                        //printf("Activating bank for writing: %d, page: %d\n", bank, page);
+                        set_bank(s->nand_state, bank);
+                        nand_set_buffered_page(s->nand_state, page);
+                        s->nand_state->fmdnum = NAND_BYTES_PER_PAGE;
+                        s->nand_state->is_writing = true;
+                        break;
+                    default:
+                        printf("Unrecognized ADM command: %d\n", cmd);
+                        break;
+                }
+                qemu_irq_raise(s->irq);
+            }
+            if((value & 0x2) == 0) {
+                qemu_irq_lower(s->irq);
+            }
+            break;
+        case ADM_CODE_SEC_ADDR:
+            s->code_sec_addr = value;
+            break;
+        case ADM_DATA1_SEC_ADDR:
+            s->data1_sec_addr = value;
+            break;
+        case ADM_DATA2_SEC_ADDR:
+            s->data2_sec_addr = value;
+            break;
+        case ADM_DATA3_SEC_ADDR:
+            s->data3_sec_addr = value;
+            break;
+        default:
+            break;
+    }
+}
+
+static const MemoryRegionOps ipod_touch_adm_ops = {
+    .read = ipod_touch_adm_read,
+    .write = ipod_touch_adm_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_adm_realize(DeviceState *dev, Error **errp)
+{
+    IPodTouchADMState *s = IPOD_TOUCH_ADM(dev);
+
+    if (!s->downstream) {
+        error_setg(errp, "ADM 'downstream' link not set");
+        return;
+    }
+
+    address_space_init(&s->downstream_as, s->downstream, "adm-downstream");
+}
+
+static Property adm_properties[] = {
+    DEFINE_PROP_LINK("downstream", IPodTouchADMState, downstream,
+                     TYPE_MEMORY_REGION, MemoryRegion *),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void ipod_touch_adm_init(Object *obj)
+{
+    IPodTouchADMState *s = IPOD_TOUCH_ADM(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, obj, &ipod_touch_adm_ops, s, TYPE_IPOD_TOUCH_ADM, 0x1000);
+    sysbus_init_mmio(sbd, &s->iomem);
+    sysbus_init_irq(sbd, &s->irq);
+}
+
+static void ipod_touch_adm_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    dc->realize = ipod_touch_adm_realize;
+    device_class_set_props(dc, adm_properties);
+}
+
+static const TypeInfo ipod_touch_adm_type_info = {
+    .name = TYPE_IPOD_TOUCH_ADM,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchADMState),
+    .instance_init = ipod_touch_adm_init,
+    .class_init = ipod_touch_adm_class_init,
+};
+
+static void ipod_touch_adm_register_types(void)
+{
+    type_register_static(&ipod_touch_adm_type_info);
+}
+
+type_init(ipod_touch_adm_register_types)

hw/arm/ipod_touch_aes.c

@@ -0,0 +1,135 @@
+#include "hw/arm/ipod_touch_aes.h"
+
+static uint64_t s5l8900_aes_read(void *opaque, hwaddr offset, unsigned size)
+{
+    struct S5L8900AESState *aesop = (struct S5L8900AESState *)opaque;
+
+    switch(offset) {
+        case AES_STATUS:
+            return aesop->status;
+      default:
+            //fprintf(stderr, "%s: UNMAPPED AES_ADDR @ offset 0x%08x\n", __FUNCTION__, offset);
+            break;
+    }
+
+    return 0;
+}
+
+static void s5l8900_aes_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+    struct S5L8900AESState *aesop = (struct S5L8900AESState *)opaque;
+    static uint8_t keylenop = 0;
+
+    uint8_t *inbuf;
+    uint8_t *buf;
+
+    // fprintf(stderr, "%s: offset 0x%08x value 0x%08x\n", __FUNCTION__, offset, value);
+
+    switch(offset) {
+        case AES_GO:
+            inbuf = (uint8_t *)malloc(aesop->insize);
+            cpu_physical_memory_read((aesop->inaddr - 0x80000000), inbuf, aesop->insize);
+
+            switch(aesop->keytype) {
+                    case AESGID:    
+                        fprintf(stderr, "%s: No support for GID key\n", __func__);
+                        return;         
+                    case AESUID:
+                        AES_set_decrypt_key(key_uid, sizeof(key_uid) * 8, &aesop->decryptKey);
+                        break;
+                    case AESCustom:
+                        AES_set_decrypt_key((uint8_t *)aesop->custkey, 0x20 * 8, &aesop->decryptKey);
+                        break;
+            }
+
+            buf = (uint8_t *) malloc(aesop->insize);
+
+            AES_cbc_encrypt(inbuf, buf, aesop->insize, &aesop->decryptKey, (uint8_t *)aesop->ivec, aesop->operation);
+
+            cpu_physical_memory_write((aesop->outaddr - 0x80000000), buf, aesop->insize);
+            memset(aesop->custkey, 0, 0x20);
+            memset(aesop->ivec, 0, 0x10);
+            free(inbuf);
+            free(buf);
+            keylenop = 0;
+            aesop->outsize = aesop->insize;
+            aesop->status = 0xf;
+            break;
+        case AES_KEYLEN:
+            if(keylenop == 1) {
+                aesop->operation = value;
+            }
+            keylenop++;
+            aesop->keylen = value;
+            break;
+        case AES_INADDR:
+            aesop->inaddr = value;
+            break;
+        case AES_INSIZE:
+            aesop->insize = value;
+            break;
+        case AES_OUTSIZE:
+            aesop->outsize = value;
+            break;
+        case AES_OUTADDR:
+            aesop->outaddr = value;
+            break;
+        case AES_TYPE:
+            aesop->keytype = value;
+            break;
+        case AES_KEY_REG ... ((AES_KEY_REG + AES_KEYSIZE) - 1):
+            {
+                uint8_t idx = (offset - AES_KEY_REG) / 4;
+                aesop->custkey[idx] |= value;
+                break;
+            }
+        case AES_IV_REG ... ((AES_IV_REG + AES_IVSIZE) -1 ):
+            {
+                uint8_t idx = (offset - AES_IV_REG) / 4;
+                aesop->ivec[idx] |= value;
+                break;
+            }
+        default:
+            //fprintf(stderr, "%s: UNMAPPED AES_ADDR @ offset 0x%08x - 0x%08x\n", __FUNCTION__, offset, value);
+            break;
+    }
+}
+
+static const MemoryRegionOps aes_ops = {
+    .read = s5l8900_aes_read,
+    .write = s5l8900_aes_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_aes_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    DeviceState *dev = DEVICE(sbd);
+    S5L8900AESState *s = IPOD_TOUCH_AES(dev);
+
+    memory_region_init_io(&s->iomem, obj, &aes_ops, s, "aes", 0x100);
+    sysbus_init_mmio(sbd, &s->iomem);
+
+    memset(&s->custkey, 0, 8 * sizeof(uint32_t));
+    memset(&s->ivec, 0, 4 * sizeof(uint32_t));
+}
+
+static void s5l8900_aes_class_init(ObjectClass *klass, void *data)
+{
+
+}
+
+static const TypeInfo ipod_touch_aes_info = {
+    .name          = TYPE_IPOD_TOUCH_AES,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(S5L8900AESState),
+    .instance_init = s5l8900_aes_init,
+    .class_init    = s5l8900_aes_class_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_aes_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_chipid.c

@@ -0,0 +1,50 @@
+#include "hw/arm/ipod_touch_chipid.h"
+
+static uint64_t ipod_touch_chipid_read(void *opaque, hwaddr addr, unsigned size)
+{
+    //fprintf(stderr, "%s: offset = 0x%08x\n", __func__, addr);
+
+    switch (addr) {
+        case 0x4:
+            return (CHIP_REVISION << 24);
+        default:
+            break;
+    }
+
+    return 0;
+}
+
+static const MemoryRegionOps ipod_touch_chipid_ops = {
+    .read = ipod_touch_chipid_read,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_chipid_init(Object *obj)
+{
+    DeviceState *dev = DEVICE(obj);
+    IPodTouchChipIDState *s = IPOD_TOUCH_CHIPID(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, obj, &ipod_touch_chipid_ops, s, TYPE_IPOD_TOUCH_CHIPID, 0x10);
+    sysbus_init_mmio(sbd, &s->iomem);
+}
+
+static void ipod_touch_chipid_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+}
+
+static const TypeInfo ipod_touch_chipid_type_info = {
+    .name = TYPE_IPOD_TOUCH_CHIPID,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchChipIDState),
+    .instance_init = ipod_touch_chipid_init,
+    .class_init = ipod_touch_chipid_class_init,
+};
+
+static void ipod_touch_chipid_register_types(void)
+{
+    type_register_static(&ipod_touch_chipid_type_info);
+}
+
+type_init(ipod_touch_chipid_register_types)

hw/arm/ipod_touch_clock.c

@@ -0,0 +1,112 @@
+#include "hw/arm/ipod_touch_clock.h"
+
+static void s5l8900_clock1_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    IPodTouchClockState *s = (struct IPodTouchClockState *) opaque;
+
+    switch (addr) {
+        case CLOCK1_PLLLOCK:
+            s->plllock = val;
+            break;
+      default:
+            break;
+    }
+}
+
+static uint64_t s5l8900_clock1_read(void *opaque, hwaddr addr, unsigned size)
+{
+    IPodTouchClockState *s = (struct IPodTouchClockState *) opaque;
+
+    switch (addr) {
+        case CLOCK1_CONFIG0:
+            return s->config0;
+        case CLOCK1_CONFIG1:
+            return s->config1;
+        case CLOCK1_CONFIG2:
+            return s->config2;
+        case CLOCK1_PLL0CON:
+            return s->pll0con;
+        case CLOCK1_PLL1CON:
+            return s->pll1con;
+        case CLOCK1_PLL2CON:
+            return s->pll2con;
+        case CLOCK1_PLL3CON:
+            return s->pll3con;
+        case CLOCK1_PLLLOCK:
+            return s->plllock;
+        case CLOCK1_PLLMODE:
+            return 0x000a003a; // extracted from iPod Touch
+      default:
+            break;
+    }
+    return 0;
+}
+
+static const MemoryRegionOps clock1_ops = {
+    .read = s5l8900_clock1_read,
+    .write = s5l8900_clock1_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_clock_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    DeviceState *dev = DEVICE(sbd);
+    IPodTouchClockState *s = IPOD_TOUCH_CLOCK(dev);
+
+    s->plllock = 1 | 2 | 4 | 8;
+
+    uint64_t config0 = 0x0;
+    config0 |= (1 << 12); // set the clock PPL to index 1
+    config0 |= (1 << 24); // indicate that we have a memory divisor
+    config0 |= (2 << 16); // set the memory divisor to two
+    s->config0 = config0;
+
+    uint64_t config1 = 0x0;
+    config1 |= (1 << 12); // set the bus PPL to index 1
+    config1 |= (1 << 24); // indicate that we have a bus divisor
+    config1 |= (3 << 16); // set the bus divisor to three
+    config1 |= (1 << 8);  // indicate that unknown has a divisor
+    config1 |= 3;         // set the unknown divisor 1 to 3
+    config1 |= (0 << 4);  // set the unknown divisor 2 to 0
+    config1 |= (1 << 20); // set the peripheral factor to 1
+
+    config1 |= (1 << 14); // unknown
+    config1 |= (1 << 28); // set some PPL index to 1
+    config1 |= (1 << 30); // unknown
+    s->config1 = config1;
+
+    uint64_t config2 = 0x0;
+    config2 |= (3 << 28); // set the peripheral PPL to index 3
+    config2 |= (1 << 24); // indicate that the display has a divisor
+    config2 |= (1 << 16); // set the display divisor to 1
+    s->config2 = config2;
+
+    // set the PLL configurations (MDIV, PDIV, SDIV)
+    s->pll0con = (80 << 8) | (8 << 24) | 0;
+    s->pll1con = (103 << 8) | (6 << 24) | 0;
+    s->pll2con = (156 << 8) | (53 << 24) | 2;
+    s->pll3con = (72 << 8) | (8 << 24) | 1;
+
+    memory_region_init_io(&s->iomem, obj, &clock1_ops, s, "clock", 0x1000);
+}
+
+static void s5l8900_clock_class_init(ObjectClass *klass, void *data)
+{
+
+}
+
+static const TypeInfo ipod_touch_clock_info = {
+    .name          = TYPE_IPOD_TOUCH_CLOCK,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchClockState),
+    .instance_init = s5l8900_clock_init,
+    .class_init    = s5l8900_clock_class_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_clock_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_gpio.c

@@ -0,0 +1,62 @@
+#include "hw/arm/ipod_touch_gpio.h"
+
+static void s5l8900_gpio_write(void *opaque, hwaddr addr, uint64_t value, unsigned size)
+{
+    //fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, value, addr);
+    IPodTouchGPIOState *s = (struct IPodTouchGPIOState *) opaque;
+
+    switch(addr) {
+      default:
+        break;
+    }
+}
+
+static uint64_t s5l8900_gpio_read(void *opaque, hwaddr addr, unsigned size)
+{
+    //fprintf(stderr, "%s: read from location 0x%08x\n", __func__, addr);
+    IPodTouchGPIOState *s = (struct IPodTouchGPIOState *) opaque;
+
+    switch(addr) {
+        case 0x2c4:
+            return s->gpio_state; 
+        default:
+            break;
+    }
+
+    return 0;
+}
+
+static const MemoryRegionOps gpio_ops = {
+    .read = s5l8900_gpio_read,
+    .write = s5l8900_gpio_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_gpio_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    DeviceState *dev = DEVICE(sbd);
+    IPodTouchGPIOState *s = IPOD_TOUCH_GPIO(dev);
+
+    memory_region_init_io(&s->iomem, obj, &gpio_ops, s, "gpio", 0x10000);
+}
+
+static void s5l8900_gpio_class_init(ObjectClass *klass, void *data)
+{
+
+}
+
+static const TypeInfo ipod_touch_gpio_info = {
+    .name          = TYPE_IPOD_TOUCH_GPIO,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchGPIOState),
+    .instance_init = s5l8900_gpio_init,
+    .class_init    = s5l8900_gpio_class_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_gpio_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_lcd.c

@@ -0,0 +1,301 @@
+#include "hw/arm/ipod_touch_lcd.h"
+#include "ui/pixel_ops.h"
+#include "ui/console.h"
+#include "hw/display/framebuffer.h"
+
+static uint64_t s5l8900_lcd_read(void *opaque, hwaddr addr, unsigned size)
+{
+    // fprintf(stderr, "%s: read from location 0x%08x\n", __func__, addr);
+
+    IPodTouchLCDState *s = (IPodTouchLCDState *)opaque;
+    switch(addr)
+    {
+        case 0x4:
+            return s->lcd_con;
+        case 0x8:
+            return s->lcd_con2;
+
+        case 0x14:
+            return s->unknown1;
+        case 0x18:
+            return s->unknown2;
+
+        case 0x20:
+            return s->wnd_con;
+
+        case 0x200:
+            return s->vid_con0;
+        case 0x204:
+            return s->vid_con1;
+
+        case 0x20C:
+            return s->vidt_con0;
+        case 0x210:
+            return s->vidt_con1;
+        case 0x214:
+            return s->vidt_con2;
+        case 0x218:
+            return s->vidt_con3;
+
+        case 0x58:
+            return s->w1_hspan;
+        case 0x5c:
+            return s->w1_display_depth_info;
+        case 0x60:
+            return s->w1_framebuffer_base;
+        case 0x64:
+            return s->w1_display_resolution_info;
+        case 0x68:
+            return s->w1_qlen;
+
+        case 0x70:
+            return s->w2_hspan;
+        case 0x74:
+            return s->w2_display_depth_info;
+        case 0x78:
+            return s->w2_framebuffer_base;
+        case 0x7c:
+            return s->w2_display_resolution_info;
+        case 0x80:
+            return s->w2_qlen;
+        default:
+            // hw_error("%s: read invalid location 0x%08x.\n", __func__, addr);
+            break;
+    }
+    return 0;
+}
+
+static void s5l8900_lcd_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    IPodTouchLCDState *s = (IPodTouchLCDState *)opaque;
+    // fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, val, addr);
+
+    switch(addr) {
+        case 0x4:
+            s->lcd_con = val;
+            break;
+        case 0x8:
+            s->lcd_con2 = val;
+            break;
+
+        case 0x14:
+            s->unknown1 = val;
+            break;
+        case 0x18:
+            s->unknown2 = val;
+            qemu_irq_lower(s->irq);
+            break;
+
+        case 0x20:
+            s->wnd_con = val;
+            break;
+
+        case 0x200:
+            s->vid_con0 = val;
+            break;
+        case 0x204:
+            s->vid_con1 = val;
+            break;
+
+        case 0x20C:
+            s->vidt_con0 = val;
+            break;
+        case 0x210:
+            s->vidt_con1 = val;
+            break;
+        case 0x214:
+            s->vidt_con2 = val;
+            break;
+        case 0x218:
+            s->vidt_con3 = val;
+            break;
+
+        case 0x58:
+            s->w1_hspan = val;
+            break;
+        case 0x5c:
+            s->w1_display_depth_info = val;
+            break;
+        case 0x60:
+            s->w1_framebuffer_base = val;
+            break;
+        case 0x64:
+            s->w1_display_resolution_info = val;
+            break;
+        case 0x68:
+            s->w1_qlen = val;
+            break;
+
+        case 0x70:
+            s->w2_hspan = val;
+            break;
+        case 0x74:
+            s->w2_display_depth_info = val;
+            break;
+        case 0x78:
+            s->w2_framebuffer_base = val;
+            break;
+        case 0x7c:
+            s->w2_display_resolution_info = val;
+            break;
+        case 0x80:
+            s->w2_qlen = val;
+            break;
+    }
+}
+
+static void lcd_invalidate(void *opaque)
+{
+    IPodTouchLCDState *s = opaque;
+    s->invalidate = 1;
+}
+
+static void draw_line32_32(void *opaque, uint8_t *d, const uint8_t *s, int width, int deststep)
+{
+    uint8_t r, g, b;
+
+    do {
+        //v = lduw_le_p((void *) s);
+        //printf("V: %d\n", *s);
+        b = s[0];
+        g = s[1];
+        r = s[2];
+        //printf("R: %d, G: %d, B: %d\n", r, g, b);
+        ((uint32_t *) d)[0] = rgb_to_pixel32(r, g, b);
+        s += 4;
+        d += 4;
+    } while (-- width != 0);
+}
+
+static void lcd_refresh(void *opaque)
+{
+    //fprintf(stderr, "%s: refreshing LCD screen\n", __func__);
+
+    IPodTouchLCDState *lcd = (IPodTouchLCDState *) opaque;
+    DisplaySurface *surface = qemu_console_surface(lcd->con);
+    drawfn draw_line;
+    int src_width, dest_width;
+    int height, first, last;
+    int width, linesize;
+
+    if (!lcd || !lcd->con || !surface_bits_per_pixel(surface))
+        return;
+
+    dest_width = 4;
+    draw_line = draw_line32_32;
+
+    /* Resolution */
+    first = last = 0;
+    width = 320;
+    height = 480;
+    lcd->invalidate = 1;
+
+    src_width =  4 * width;
+    linesize = surface_stride(surface);
+
+    if(lcd->invalidate) {
+        framebuffer_update_memory_section(&lcd->fbsection, lcd->sysmem, lcd->w1_framebuffer_base, height, 4 * width);
+    }
+
+    framebuffer_update_display(surface, &lcd->fbsection,
+                               width, height,
+                               src_width,       /* Length of source line, in bytes.  */
+                               linesize,        /* Bytes between adjacent horizontal output pixels.  */
+                               dest_width,      /* Bytes between adjacent vertical output pixels.  */
+                               lcd->invalidate,
+                               draw_line, NULL,
+                               &first, &last);
+    if (first >= 0) {
+        dpy_gfx_update(lcd->con, 0, first, width, last - first + 1);
+    }
+    lcd->invalidate = 0;
+}
+
+static const MemoryRegionOps lcd_ops = {
+    .read = s5l8900_lcd_read,
+    .write = s5l8900_lcd_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static const GraphicHwOps s5l8900_gfx_ops = {
+    .invalidate  = lcd_invalidate,
+    .gfx_update  = lcd_refresh,
+};
+
+static void ipod_touch_lcd_mouse_event(void *opaque, int x, int y, int z, int buttons_state)
+{
+    //printf("CLICKY %d %d %d %d\n", x, y, z, buttons_state);
+
+    // convert x and y to fractional numbers
+    float fx = x / pow(2, 15);
+    float fy = 1 - y / pow(2, 15);
+
+    IPodTouchLCDState *lcd = (IPodTouchLCDState *) opaque;
+    lcd->mt->prev_touch_x = lcd->mt->touch_x;
+    lcd->mt->prev_touch_y = lcd->mt->touch_y;
+    lcd->mt->touch_x = fx;
+    lcd->mt->touch_y = fy;
+
+    if(buttons_state && !lcd->mt->touch_down) {
+        ipod_touch_multitouch_on_touch(lcd->mt);
+    }
+    else if(!buttons_state && lcd->mt->touch_down) {
+        ipod_touch_multitouch_on_release(lcd->mt);
+    }
+}
+
+static void refresh_timer_tick(void *opaque)
+{
+    IPodTouchLCDState *s = (IPodTouchLCDState *)opaque;
+
+    qemu_irq_raise(s->irq);
+
+    timer_mod(s->refresh_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + NANOSECONDS_PER_SECOND / LCD_REFRESH_RATE_FREQUENCY);
+}
+
+static void s5l8900_lcd_realize(DeviceState *dev, Error **errp)
+{
+    IPodTouchLCDState *s = IPOD_TOUCH_LCD(dev);
+    s->con = graphic_console_init(dev, 0, &s5l8900_gfx_ops, s);
+    qemu_console_resize(s->con, 320, 480);
+
+    // add mouse handler
+    qemu_add_mouse_event_handler(ipod_touch_lcd_mouse_event, s, 1, "iPod Touch Touchscreen");
+
+    // initialize the refresh timer
+    s->refresh_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, refresh_timer_tick, s);
+    timer_mod(s->refresh_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + NANOSECONDS_PER_SECOND / LCD_REFRESH_RATE_FREQUENCY);
+}
+
+static void s5l8900_lcd_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    DeviceState *dev = DEVICE(sbd);
+    IPodTouchLCDState *s = IPOD_TOUCH_LCD(dev);
+
+    memory_region_init_io(&s->iomem, obj, &lcd_ops, s, "lcd", 0x1000);
+    sysbus_init_mmio(sbd, &s->iomem);
+    sysbus_init_irq(sbd, &s->irq);
+}
+
+static void s5l8900_lcd_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->realize = s5l8900_lcd_realize;
+}
+
+static const TypeInfo ipod_touch_lcd_info = {
+    .name          = TYPE_IPOD_TOUCH_LCD,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchLCDState),
+    .instance_init = s5l8900_lcd_init,
+    .class_init    = s5l8900_lcd_class_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_lcd_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_lcd_panel.c

@@ -0,0 +1,63 @@
+#include "hw/arm/ipod_touch_lcd_panel.h"
+
+static uint32_t ipod_touch_lcd_panel_transfer(SSIPeripheral *dev, uint32_t value)
+{
+    IPodTouchLCDPanelState *s = IPOD_TOUCH_LCD_PANEL(dev);
+
+    if(!s->cur_cmd && (value == 0x95 || value == 0xDA || value == 0xDB || value == 0xDC)) {
+        // this is a command -> set it
+        s->cur_cmd = value;
+        return 0x0;
+    }
+
+    if(s->cur_cmd) {
+        uint32_t res = 0;
+        switch(s->cur_cmd) {
+        case 0x95:
+            res = 0x1;
+            break;
+        case 0xDA:
+            res = 0x71;
+            break;
+        case 0xDB:
+            res = 0xC2;
+            break;
+        case 0xDC:
+            res = 0x0;
+            break;
+        default:
+            break;
+        }
+
+        s->cur_cmd = 0;
+        return res;
+    }
+    
+    return 0x0;
+}
+
+static void ipod_touch_lcd_panel_realize(SSIPeripheral *d, Error **errp)
+{
+
+}
+
+static void ipod_touch_lcd_panel_class_init(ObjectClass *klass, void *data)
+{
+    SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
+    k->realize = ipod_touch_lcd_panel_realize;
+    k->transfer = ipod_touch_lcd_panel_transfer;
+}
+
+static const TypeInfo ipod_touch_lcd_panel_type_info = {
+    .name = TYPE_IPOD_TOUCH_LCD_PANEL,
+    .parent = TYPE_SSI_PERIPHERAL,
+    .instance_size = sizeof(IPodTouchLCDPanelState),
+    .class_init = ipod_touch_lcd_panel_class_init,
+};
+
+static void ipod_touch_lcd_panel_register_types(void)
+{
+    type_register_static(&ipod_touch_lcd_panel_type_info);
+}
+
+type_init(ipod_touch_lcd_panel_register_types)

hw/arm/ipod_touch_lis302dl.c

@@ -0,0 +1,55 @@
+#include "hw/arm/ipod_touch_lis302dl.h"
+
+static int lis302dl_event(I2CSlave *i2c, enum i2c_event event)
+{
+    return 0;
+}
+
+static uint8_t lis302dl_recv(I2CSlave *i2c)
+{
+    LIS302DLState *s = LIS302DL(i2c);
+    //printf("Reading accelerometer register %d\n", s->cmd);
+
+    switch(s->cmd) {
+        case ACCEL_WHOAMI:
+            return ACCEL_WHOAMI_VALUE; // whoami value
+        default:
+            return 0;
+    }
+}
+
+static int lis302dl_send(I2CSlave *i2c, uint8_t data)
+{
+    LIS302DLState *s = LIS302DL(i2c);
+    s->cmd = data;
+    return 0;
+}
+
+static void lis302dl_init(Object *obj)
+{
+
+}
+
+static void lis302dl_class_init(ObjectClass *klass, void *data)
+{
+    I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
+
+    k->event = lis302dl_event;
+    k->recv = lis302dl_recv;
+    k->send = lis302dl_send;
+}
+
+static const TypeInfo lis302dl_info = {
+    .name          = TYPE_LIS302DL,
+    .parent        = TYPE_I2C_SLAVE,
+    .instance_init = lis302dl_init,
+    .instance_size = sizeof(LIS302DLState),
+    .class_init    = lis302dl_class_init,
+};
+
+static void lis302dl_register_types(void)
+{
+    type_register_static(&lis302dl_info);
+}
+
+type_init(lis302dl_register_types)

hw/arm/ipod_touch_multitouch.c

@@ -0,0 +1,418 @@
+#include "hw/arm/ipod_touch_multitouch.h"
+
+static void prepare_interface_version_response(IPodTouchMultitouchState *s) {
+    memset(s->out_buffer + 1, 0, 15);
+
+    // set the interface version
+    s->out_buffer[2] = MT_INTERFACE_VERSION;
+
+    // set the max packet size
+    s->out_buffer[3] = (MT_MAX_PACKET_SIZE & 0xFF);
+    s->out_buffer[4] = (MT_MAX_PACKET_SIZE >> 8) & 0xFF;
+
+    // compute and set the checksum
+    uint32_t checksum = 0;
+    for(int i = 0; i < 14; i++) {
+        checksum += s->out_buffer[i];
+    }
+
+    s->out_buffer[14] = (checksum & 0xFF);
+    s->out_buffer[15] = (checksum >> 8) & 0xFF;
+}
+
+static void prepare_cmd_status_response(IPodTouchMultitouchState *s) {
+    memset(s->out_buffer + 1, 0, 15);
+
+    // TODO we should probably set some CMD status here
+
+    // compute and set the checksum
+    uint32_t checksum = 0;
+    for(int i = 0; i < 14; i++) {
+        checksum += s->out_buffer[i];
+    }
+
+    s->out_buffer[14] = (checksum & 0xFF);
+    s->out_buffer[15] = (checksum >> 8) & 0xFF;
+}
+
+static void prepare_report_info_response(IPodTouchMultitouchState *s, uint8_t report_id) {
+    memset(s->out_buffer + 1, 0, 15);
+
+    // set the error
+    s->out_buffer[2] = 0;
+
+    // set the report length
+    uint32_t report_length = 0;
+    if(report_id == MT_REPORT_UNKNOWN1) {
+        report_length = MT_REPORT_UNKNOWN1_SIZE;
+    }
+    else if(report_id == MT_REPORT_FAMILY_ID) {
+        report_length = MT_REPORT_FAMILY_ID_SIZE;
+    }
+    else if(report_id == MT_REPORT_SENSOR_INFO) {
+        report_length = MT_REPORT_SENSOR_INFO_SIZE;
+    }
+    else if(report_id == MT_REPORT_SENSOR_REGION_DESC) {
+        report_length = MT_REPORT_SENSOR_REGION_DESC_SIZE;
+    }
+    else if(report_id == MT_REPORT_SENSOR_REGION_PARAM) {
+        report_length = MT_REPORT_SENSOR_REGION_PARAM_SIZE;
+    }
+    else if(report_id == MT_REPORT_SENSOR_DIMENSIONS) {
+        report_length = MT_REPORT_SENSOR_DIMENSIONS_SIZE;
+    }
+    else {
+        hw_error("Unknown report ID 0x%02x\n", report_id);
+    }
+
+    s->out_buffer[3] = (report_length & 0xFF);
+    s->out_buffer[4] = (report_length >> 8) & 0xFF;
+
+    // compute and set the checksum
+    uint32_t checksum = 0;
+    for(int i = 0; i < 14; i++) {
+        checksum += s->out_buffer[i];
+    }
+
+    s->out_buffer[14] = (checksum & 0xFF);
+    s->out_buffer[15] = (checksum >> 8) & 0xFF;
+}
+
+static void prepare_short_control_response(IPodTouchMultitouchState *s, uint8_t report_id) {
+    memset(s->out_buffer + 1, 0, 15);
+
+    if(report_id == MT_REPORT_FAMILY_ID) {
+        s->out_buffer[3] = MT_FAMILY_ID;
+    }
+    else if(report_id == MT_REPORT_SENSOR_INFO) {
+        s->out_buffer[3] = MT_ENDIANNESS;
+        s->out_buffer[4] = MT_SENSOR_ROWS;
+        s->out_buffer[5] = MT_SENSOR_COLUMNS;
+        s->out_buffer[6] = (MT_BCD_VERSION & 0xFF);
+        s->out_buffer[7] = (MT_BCD_VERSION >> 8) & 0xFF;
+    }
+    else if(report_id == MT_REPORT_SENSOR_REGION_DESC) {
+        s->out_buffer[3] = MT_SENSOR_REGION_DESC;
+    }
+    else if(report_id == MT_REPORT_SENSOR_REGION_PARAM) {
+        s->out_buffer[3] = MT_SENSOR_REGION_PARAM;
+    }
+    else if(report_id == MT_REPORT_SENSOR_DIMENSIONS) {
+        uint32_t *ob_int32 = (uint32_t *)&s->out_buffer[3];
+        ob_int32[0] = MT_SENSOR_SURFACE_WIDTH;
+        ob_int32[1] = MT_SENSOR_SURFACE_HEIGHT;
+    }
+    else {
+        hw_error("Unknown report ID 0x%02x\n", report_id);
+    }
+
+    // compute and set the checksum
+    uint32_t checksum = 0;
+    for(int i = 0; i < 14; i++) {
+        checksum += s->out_buffer[i];
+    }
+
+    s->out_buffer[14] = (checksum & 0xFF);
+    s->out_buffer[15] = (checksum >> 8) & 0xFF;
+}
+
+static uint32_t ipod_touch_multitouch_transfer(SSIPeripheral *dev, uint32_t value)
+{
+    IPodTouchMultitouchState *s = IPOD_TOUCH_MULTITOUCH(dev);
+
+    //printf("<MULTITOUCH> Got value: 0x%02x\n", value);
+
+    if(s->cur_cmd == 0) {
+        //printf("Starting command 0x%02x\n", value);
+        // we're currently not in a command - start a new command
+        s->cur_cmd = value;
+        s->out_buffer = malloc(0x100);
+        s->out_buffer[0] = value; // the response header
+        s->buf_ind = 0;
+        s->in_buffer = malloc(0x100);
+        s->in_buffer_ind = 0;
+        
+        if(value == 0x18) { // filler packet??
+            s->buf_size = 2;
+            s->out_buffer[1] = 0xE1;
+        }
+        else if(value == 0x1A) { // HBPP ACK
+            s->buf_size = 2;
+            if(s->hbpp_atn_ack_response[0] == 0 && s->hbpp_atn_ack_response[1] == 0) {
+                // return the default ACK response
+                s->out_buffer[0] = 0x4B;
+                s->out_buffer[1] = 0xC1;
+            }
+            else {
+                s->out_buffer[0] = s->hbpp_atn_ack_response[0];
+                s->out_buffer[1] = s->hbpp_atn_ack_response[1];
+            }
+             
+        }
+        else if(value == 0x1C) { // read register
+            s->buf_size = 8;
+            memset(s->out_buffer, 0, 8); // just return zeros
+        }
+        else if(value == 0x1D) { // execute
+            s->buf_size = 12;
+            memset(s->out_buffer, 0, 12); // just return zeros
+        }
+        else if(value == 0x1F) { // calibration
+            s->buf_size = 2;
+            s->out_buffer[1] = 0x0;
+        }
+        else if(value == 0x1E) { // write register
+            s->buf_size = 16;
+            memset(s->out_buffer, 0, 16); // just return zeros
+        }
+        else if(value == 0x1F) { // calibration
+            s->buf_size = 2;
+            s->out_buffer[1] = 0x0;
+        }
+        else if(value == MT_CMD_HBPP_DATA_PACKET) {
+            s->buf_size = 20; // should be enough initially, until we get the packet length
+            memset(s->out_buffer + 1, 0, 20 - 1); // just return zeros
+        }
+        else if(value == 0x47) { // unknown command, probably used to clear the interrupt
+            s->buf_size = 2;
+        }
+        else if(value == MT_CMD_GET_CMD_STATUS) {
+            s->buf_size = 16;
+            prepare_cmd_status_response(s);
+        }
+        else if(value == MT_CMD_GET_INTERFACE_VERSION) {
+            s->buf_size = 16;
+            prepare_interface_version_response(s);
+        }
+        else if(value == MT_CMD_GET_REPORT_INFO) {
+            s->buf_size = 16;
+        }
+        else if(value == MT_CMD_SHORT_CONTROL_WRITE) {
+            s->buf_size = 16;
+        }
+        else if(value == MT_CMD_SHORT_CONTROL_READ) {
+            s->buf_size = 16;
+        }
+        else if(value == MT_CMD_FRAME_READ) {
+            printf("Will read frame!\n");
+            s->buf_size = sizeof(MTFrame);
+            free(s->out_buffer);
+            s->out_buffer = (uint8_t *) s->next_frame;
+        }
+        else {
+            hw_error("Unknown command 0x%02x!", value);
+        }
+    }
+
+    s->in_buffer[s->in_buffer_ind] = value;
+    s->in_buffer_ind++;
+
+    if(s->cur_cmd == MT_CMD_HBPP_DATA_PACKET && s->in_buffer_ind == 10) {
+        // verify the header checksum
+        uint32_t checksum = 0;
+        for(int i = 2; i < 8; i++) {
+            checksum += s->in_buffer[i];
+        }
+
+        if(checksum != (s->in_buffer[8] << 8 | s->in_buffer[9])) {
+            hw_error("HBPP data header checksum doesn't match!");
+        }
+
+        uint32_t data_len = (s->in_buffer[2] << 10) | (s->in_buffer[3] << 2) + 5;
+        // extend the lengths of the in/out buffers
+        free(s->in_buffer);
+        s->in_buffer = malloc(data_len + 0x10);
+
+        free(s->out_buffer);
+        s->out_buffer = malloc(data_len);
+        memset(s->out_buffer, 0, data_len);
+        s->buf_size = data_len;
+        s->buf_ind = 0;
+    }
+    else if(s->cur_cmd == MT_CMD_GET_REPORT_INFO && s->in_buffer_ind == 2) {
+        prepare_report_info_response(s, s->in_buffer[1]);
+    }
+    else if(s->cur_cmd == MT_CMD_SHORT_CONTROL_WRITE && s->in_buffer_ind == 16) {
+        // TODO we should persist the report here!
+    }
+    else if(s->cur_cmd == MT_CMD_SHORT_CONTROL_READ && s->in_buffer_ind == 2) {
+        prepare_short_control_response(s, s->in_buffer[1]);
+    }
+
+    // TODO process register writes!
+
+    uint8_t ret_val = s->out_buffer[s->buf_ind];
+    s->buf_ind++;
+
+    //printf("<MULTITOUCH> Got value: 0x%02x, returning 0x%02x (index: %d, buffer length: %d)\n", value, ret_val, s->buf_ind, s->buf_size);
+
+    if(s->buf_ind == s->buf_size) {
+        //printf("Finished command 0x%02x\n", s->cur_cmd);
+
+        if(s->cur_cmd == 0x1E) {
+            // make sure we return a success status on the next HBPP ACK
+            s->hbpp_atn_ack_response[0] = 0x4A;
+            s->hbpp_atn_ack_response[1] = 0xD1;
+        }
+
+        // we're done with the command
+        s->cur_cmd = 0;
+        s->buf_size = 0;
+        //free(s->out_buffer);
+        //free(s->in_buffer);
+    }
+
+    return ret_val;
+}
+
+static MTFrame *get_frame(IPodTouchMultitouchState *s, uint8_t event, float x, float y, uint16_t radius1, uint16_t radius2, uint16_t radius3, uint16_t contactDensity) {
+    MTFrame *frame = calloc(sizeof(MTFrame), sizeof(uint8_t *));
+
+    uint16_t data_len = sizeof(MTFrameHeader) + sizeof(FingerData) + 2;
+
+    /// create the frame length packet
+    frame->frame_length.cmd = MT_CMD_FRAME_READ;
+    frame->frame_length.length1 = (data_len & 0xFF);
+    frame->frame_length.length2 = (data_len >> 8) & 0xFF;
+
+    uint16_t checksum = 0;
+    for(int i = 0; i < 14; i++) {
+        checksum += ((uint8_t *) &frame->frame_length)[i];
+    }
+    frame->frame_length.checksum1 = (checksum & 0xFF);
+    frame->frame_length.checksum2 = (checksum >> 8) & 0xFF;
+
+    // create the frame packet
+    frame->frame_packet.cmd = MT_CMD_FRAME_READ;
+    frame->frame_packet.length1 = (data_len & 0xFF);
+    frame->frame_packet.length2 = (data_len >> 8) & 0xFF;
+
+    checksum = 0;
+    for(int i = 0; i < 4; i++) {
+        checksum += ((uint8_t *) &frame->frame_length)[i];
+    }
+
+    // the first five bytes have to sum up to 0.
+    frame->frame_packet.checksum_pad = 0xFF - (checksum & 0xFF) + 1;
+
+    frame->frame_packet.header.type = MT_FRAME_TYPE_PATH;
+    frame->frame_packet.header.frameNum = s->frame_counter;
+    frame->frame_packet.header.headerLen = sizeof(MTFrameHeader);
+    uint64_t elapsed_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 1000000;
+    frame->frame_packet.header.timestamp = elapsed_ns;
+    frame->frame_packet.header.numFingers = 1;
+    frame->frame_packet.header.fingerDataLen = sizeof(FingerData);
+
+    // create the finger data
+    frame->finger_data.id = 1;
+    frame->finger_data.event = event;
+    frame->finger_data.unk_2 = 2;
+    frame->finger_data.unk_3 = 1;
+
+    // compute the velocity
+    int diff_x = (int)((x - s->prev_touch_x) * MT_INTERNAL_SENSOR_SURFACE_WIDTH);
+    int diff_y = (int)((x - s->prev_touch_y) * MT_INTERNAL_SENSOR_SURFACE_HEIGHT);
+
+    // Add 1 to elapsed_ns to prevent crash with error "Floating point exception"
+    // due to click fast on emulator
+    frame->finger_data.velX = diff_x / (elapsed_ns + 1 - s->last_frame_timestamp) * 1000;
+    frame->finger_data.velY = diff_y / (elapsed_ns + 1 - s->last_frame_timestamp) * 1000;
+
+    frame->finger_data.x = (int)(x * MT_INTERNAL_SENSOR_SURFACE_WIDTH);
+    frame->finger_data.y = (int)(y * MT_INTERNAL_SENSOR_SURFACE_HEIGHT);
+    frame->finger_data.radius1 = radius1;
+    frame->finger_data.radius2 = radius2;
+    frame->finger_data.radius3 = radius3;
+    frame->finger_data.angle = 19317;
+    frame->finger_data.contactDensity = contactDensity; // seems to be a medium press
+
+    // compute the checksum over the frame data.
+    checksum = 0;
+    for(int i = 0; i < data_len - 2; i++) {
+        checksum += ((uint8_t *) &frame->frame_packet.header)[i];
+    }
+    frame->checksum1 = (checksum & 0xFF);
+    frame->checksum2 = (checksum >> 8) & 0xFF;
+
+    s->last_frame_timestamp = elapsed_ns;
+    s->frame_counter += 1;
+
+    return frame;
+}
+
+static void ipod_touch_multitouch_inform_frame_ready(IPodTouchMultitouchState *s) {
+    s->sysic->gpio_int_status[4] |= (1 << 27); // the multitouch interrupt bit is in group 4 (32 interrupts per group), and the 27th of the 4th group
+    qemu_irq_raise(s->sysic->gpio_irqs[4]);
+}
+
+void ipod_touch_multitouch_on_touch(IPodTouchMultitouchState *s) {
+    s->touch_down = true;
+
+    s->next_frame = get_frame(s, MT_EVENT_TOUCH_START, s->touch_x, s->touch_y, 100, 660, 580, 150);
+    ipod_touch_multitouch_inform_frame_ready(s);
+
+    timer_mod(s->touch_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + NANOSECONDS_PER_SECOND / 10);
+}
+
+void ipod_touch_multitouch_on_release(IPodTouchMultitouchState *s) {
+    s->next_frame = get_frame(s, MT_EVENT_TOUCH_ENDED, s->touch_x, s->touch_y, 0, 0, 0, 0);
+    s->touch_down = false;
+    ipod_touch_multitouch_inform_frame_ready(s);
+
+    timer_del(s->touch_timer);
+    timer_mod(s->touch_end_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + NANOSECONDS_PER_SECOND / 10);
+}
+
+static void touch_timer_tick(void *opaque)
+{
+    IPodTouchMultitouchState *s = (IPodTouchMultitouchState *)opaque;
+
+    s->next_frame = get_frame(s, MT_EVENT_TOUCH_MOVED, s->touch_x, s->touch_y, 100, 660, 580, 150);
+    ipod_touch_multitouch_inform_frame_ready(s);
+
+    if(s->touch_down) {
+        // reschedule the timer
+        timer_mod(s->touch_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + NANOSECONDS_PER_SECOND / 10);
+    }
+}
+
+static void touch_end_timer_tick(void *opaque)
+{
+    IPodTouchMultitouchState *s = (IPodTouchMultitouchState *)opaque;
+    s->next_frame = get_frame(s, MT_EVENT_TOUCH_FULL_END, s->touch_x, s->touch_y, 0, 0, 0, 0);
+    s->touch_down = false;
+    ipod_touch_multitouch_inform_frame_ready(s);
+}
+
+static void ipod_touch_multitouch_realize(SSIPeripheral *d, Error **errp)
+{
+    IPodTouchMultitouchState *s = IPOD_TOUCH_MULTITOUCH(d);
+    memset(s->hbpp_atn_ack_response, 0, 2);
+    s->touch_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, touch_timer_tick, s);
+    s->touch_end_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, touch_end_timer_tick, s);
+
+    s->prev_touch_x = 0;
+    s->prev_touch_y = 0;
+    s->last_frame_timestamp = 0;
+}
+
+static void ipod_touch_multitouch_class_init(ObjectClass *klass, void *data)
+{
+    SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
+    k->realize = ipod_touch_multitouch_realize;
+    k->transfer = ipod_touch_multitouch_transfer;
+}
+
+static const TypeInfo ipod_touch_multitouch_type_info = {
+    .name = TYPE_IPOD_TOUCH_MULTITOUCH,
+    .parent = TYPE_SSI_PERIPHERAL,
+    .instance_size = sizeof(IPodTouchMultitouchState),
+    .class_init = ipod_touch_multitouch_class_init,
+};
+
+static void ipod_touch_multitouch_register_types(void)
+{
+    type_register_static(&ipod_touch_multitouch_type_info);
+}
+
+type_init(ipod_touch_multitouch_register_types)

hw/arm/ipod_touch_nand.c

@@ -0,0 +1,246 @@
+#include "hw/arm/ipod_touch_nand.h"
+
+static int get_bank(ITNandState *s) {
+    uint32_t bank_bitmap = (s->fmctrl0 >> 1) & 0xFF;
+    for(int bank = 0; bank < NAND_NUM_BANKS; bank++) {
+        if((bank_bitmap & (1 << bank)) != 0) {
+            return bank;
+        }
+    }
+    return -1;
+}
+
+static void set_bank(ITNandState *s, uint32_t activate_bank) {
+    for(int bank = 0; bank < 8; bank++) {
+        // clear bit, toggle if it is active
+        s->fmctrl0 &= ~(1 << (bank + 1));
+        if(bank == activate_bank) {
+            s->fmctrl0 ^= 1 << (bank + 1);
+        }
+    }
+}
+
+void nand_set_buffered_page(ITNandState *s, uint32_t page) {
+    uint32_t bank = get_bank(s);
+    if(bank == -1) {
+        hw_error("Active bank not set while nand_read with page %d is called (reading multiple pages: %d)!", page, s->reading_multiple_pages);
+    }
+
+    if(bank != s->buffered_bank || page != s->buffered_page) {
+        // refresh the buffered page
+        uint32_t vpn = page * 8 + bank;
+        char filename[200];
+        sprintf(filename, "%s/bank%d/%d.page", s->nand_path, bank, page);
+        struct stat st = {0};
+        if (stat(filename, &st) == -1) {
+            // page storage does not exist - initialize an empty buffer
+            memset(s->page_buffer, 0, NAND_BYTES_PER_PAGE);
+            memset(s->page_spare_buffer, 0, NAND_BYTES_PER_SPARE);
+            s->page_spare_buffer[0xA] = 0xFF; // make sure we add the FTL mark to an empty page
+        }
+        else {
+            FILE *f = fopen(filename, "rb");
+            if (f == NULL) { hw_error("Unable to read file!"); }
+            fread(s->page_buffer, sizeof(char), NAND_BYTES_PER_PAGE, f);
+            fread(s->page_spare_buffer, sizeof(char), NAND_BYTES_PER_SPARE, f);
+            fclose(f);
+        }
+
+        s->buffered_page = page;
+        s->buffered_bank = bank;
+        // printf("Buffered bank: %d, page: %d\n", s->buffered_bank, s->buffered_page);
+    }
+}
+
+static uint64_t itnand_read(void *opaque, hwaddr addr, unsigned size)
+{
+    ITNandState *s = (ITNandState *) opaque;
+    if(s->reading_multiple_pages) {
+        //fprintf(stderr, "%s: reading from 0x%08x\n", __func__, addr);
+    }
+
+    switch (addr) {
+        case NAND_FMCTRL0:
+            return s->fmctrl0;
+        case NAND_FMFIFO:
+            if(s->cmd == NAND_CMD_ID) {
+                return NAND_CHIP_ID;
+            }
+            else if(s->cmd == NAND_CMD_READSTATUS) {
+                return (1 << 6);
+            }
+            else {
+                uint32_t read_val = 0;
+                if(s->reading_multiple_pages) {
+                    // which bank are we at?
+                    if(s->fmdnum % 0x800 == 0) {
+                        s->cur_bank_reading += 1;
+                        //printf("WILL TURN TO BANK %d (cnt: %d)\n", s->cur_bank_reading, s->fmdnum);
+                        set_bank(s, s->banks_to_read[s->cur_bank_reading]);
+                    }
+
+                    // compute the offset in the page
+                    uint32_t page_offset = s->fmdnum % 0x800;
+                    if(page_offset == 0) { page_offset = 0x800; }
+                    nand_set_buffered_page(s, s->pages_to_read[s->cur_bank_reading]);
+                    //printf("Reading page %d\n", s->pages_to_read[s->cur_bank_reading]);
+                    read_val = ((uint32_t *)s->page_buffer)[(NAND_BYTES_PER_PAGE - page_offset) / 4];
+                    //printf("FMDNUM: %d, offset: %d\n", s->fmdnum, (NAND_BYTES_PER_PAGE - page_offset) / 4);
+                    //printf("Page offset: %d, bytes: 0x%08x\n", page_offset, read_val);
+                }
+                else {
+                    uint32_t page = (s->fmaddr1 << 16) | (s->fmaddr0 >> 16);
+                    nand_set_buffered_page(s, page);
+                    //printf("Reading page %d\n", page);
+
+                    if(s->reading_spare) {
+                        read_val = ((uint32_t *)s->page_spare_buffer)[(NAND_BYTES_PER_SPARE - s->fmdnum - 1) / 4];
+                    } else {
+                        read_val = ((uint32_t *)s->page_buffer)[(NAND_BYTES_PER_PAGE - s->fmdnum - 1) / 4];
+                    }
+                }
+                s->fmdnum -= 4;
+                return read_val;
+            }
+
+        case NAND_FMCSTAT:
+            return (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12); // this indicates that everything is ready, including our eight banks
+        case NAND_RSCTRL:
+            return s->rsctrl;
+        default:
+            break;
+    }
+    return 0;
+}
+
+static void itnand_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    ITNandState *s = (ITNandState *) opaque;
+    if(s->reading_multiple_pages) {
+        //fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, val, addr);
+    }
+    
+
+    switch(addr) {
+        case NAND_FMCTRL0:
+            s->fmctrl0 = val;
+            break;
+        case NAND_FMCTRL1:
+            s->fmctrl1 = val;
+            break;
+        case NAND_FMADDR0:
+            s->fmaddr0 = val;
+            break;
+        case NAND_FMADDR1:
+            s->fmaddr1 = val;
+            break;
+        case NAND_FMANUM:
+            s->fmanum = val;
+            break;
+        case NAND_CMD:
+            s->cmd = val;
+            break;
+        case NAND_FMDNUM:
+            if(val == NAND_BYTES_PER_SPARE - 1) {
+                s->reading_spare = 1;
+            } else {
+                s->reading_spare = 0;
+            }
+            s->fmdnum = val;
+            break;
+        case NAND_FMFIFO:
+            if(!s->is_writing) {
+                // printf("%s: NAND_FMFIFO writing while not in writing mode!\n", __func__);
+                return;
+            }
+
+            //printf("Setting offset %d: %d\n", s->fmdnum, (NAND_BYTES_PER_PAGE - s->fmdnum) / 4);
+            ((uint32_t *)s->page_buffer)[(NAND_BYTES_PER_PAGE - s->fmdnum) / 4] = val;
+            s->fmdnum -= 4;
+
+            if(s->fmdnum == 0) {
+                // we're done!
+                s->is_writing = false;
+
+                // flush the page buffer to the disk
+                uint32_t vpn = s->buffered_page * 8 + s->buffered_bank;
+                //printf("Flushing page %d, bank %d, vpn %d\n", s->buffered_page, s->buffered_bank, vpn);
+                qemu_mutex_lock(&s->lock);
+                qemu_mutex_unlock(&s->lock);
+                {
+                    char filename[200];
+                    sprintf(filename, "%s/bank%d/%d_new.page", s->nand_path, s->buffered_bank, s->buffered_page);
+                    FILE *f = fopen(filename, "wb");
+                    if (f == NULL) { hw_error("Unable to read file!"); }
+                    fwrite(s->page_buffer, sizeof(char), NAND_BYTES_PER_PAGE, f);
+                    fwrite(s->page_spare_buffer, sizeof(char), NAND_BYTES_PER_SPARE, f);
+                    fclose(f);
+                }
+            }
+            break;
+        case NAND_RSCTRL:
+            s->rsctrl = val;
+            break;
+        default:
+            break;
+    }
+}
+
+static const MemoryRegionOps nand_ops = {
+    .read = itnand_read,
+    .write = itnand_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void itnand_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    ITNandState *s = ITNAND(obj);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &nand_ops, s, "nand", 0x1000);
+    sysbus_init_irq(sbd, &s->irq);
+
+    s->page_buffer = (uint8_t *)malloc(NAND_BYTES_PER_PAGE);
+    s->page_spare_buffer = (uint8_t *)malloc(NAND_BYTES_PER_SPARE);
+    s->buffered_page = -1;
+    s->buffered_bank = -1;
+
+    qemu_mutex_init(&s->lock);
+}
+
+static void itnand_reset(DeviceState *d)
+{
+    ITNandState *s = (ITNandState *) d;
+
+    s->fmctrl0 = 0;
+    s->fmctrl1 = 0;
+    s->fmaddr0 = 0;
+    s->fmaddr1 = 0;
+    s->fmanum = 0;
+    s->fmdnum = 0;
+    s->rsctrl = 0;
+    s->cmd = 0;
+    s->reading_spare = 0;
+    s->buffered_page = -1;
+}
+
+static void itnand_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    dc->reset = itnand_reset;
+}
+
+static const TypeInfo itnand_info = {
+    .name          = TYPE_ITNAND,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(ITNandState),
+    .instance_init = itnand_init,
+    .class_init    = itnand_class_init,
+};
+
+static void itnand_register_types(void)
+{
+    type_register_static(&itnand_info);
+}
+
+type_init(itnand_register_types)

hw/arm/ipod_touch_nand_ecc.c

@@ -0,0 +1,77 @@
+#include "hw/arm/ipod_touch_nand_ecc.h"
+
+static uint64_t itnand_ecc_read(void *opaque, hwaddr addr, unsigned size)
+{
+    ITNandECCState *s = (ITNandECCState *) opaque;
+    //fprintf(stderr, "%s: reading from 0x%08x\n", __func__, addr);
+
+    switch (addr) {
+        case NANDECC_STATUS:
+            return 0; // TODO: for now, we assume that all ECC operations are successful
+        default:
+            break;
+    }
+    return 0;
+}
+
+static void itnand_ecc_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    ITNandECCState *s = (ITNandECCState *) opaque;
+
+    switch(addr) {
+        case NANDECC_START:
+            qemu_irq_raise(s->irq);
+            break;
+        case NANDECC_CLEARINT:
+            qemu_irq_lower(s->irq);
+            break;
+        default:
+            break;
+    }
+}
+
+static const MemoryRegionOps nand_ecc_ops = {
+    .read = itnand_ecc_read,
+    .write = itnand_ecc_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void itnand_ecc_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    ITNandECCState *s = ITNANDECC(obj);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &nand_ecc_ops, s, "nandecc", 0x100);
+    sysbus_init_irq(sbd, &s->irq);
+}
+
+static void itnand_ecc_reset(DeviceState *d)
+{
+    ITNandECCState *s = (ITNandECCState *) d;
+
+    s->data_addr = 0;
+    s->ecc_addr = 0;
+    s->status = 0;
+    s->setup = 0;
+}
+
+static void itnand_ecc_class_init(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    dc->reset = itnand_ecc_reset;
+}
+
+static const TypeInfo itnand_ecc_info = {
+    .name          = TYPE_ITNANDECC,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(ITNandECCState),
+    .instance_init = itnand_ecc_init,
+    .class_init    = itnand_ecc_class_init,
+};
+
+static void itnand_ecc_register_types(void)
+{
+    type_register_static(&itnand_ecc_info);
+}
+
+type_init(itnand_ecc_register_types)

hw/arm/ipod_touch_pcf50633_pmu.c

@@ -0,0 +1,104 @@
+#include "hw/arm/ipod_touch_pcf50633_pmu.h"
+
+static int pcf50633_event(I2CSlave *i2c, enum i2c_event event)
+{
+    return 0;
+}
+
+static int int_to_bcd(int value) {
+    int shift = 0;
+    int res = 0;
+    while (value > 0) {
+      res |= (value % 10) << (shift++ << 2);
+      value /= 10;
+   }
+   return res;
+}
+
+static uint8_t pcf50633_recv(I2CSlave *i2c)
+{
+    Pcf50633State *s = PCF50633(i2c);
+    printf("Reading PMU register %d\n", s->cmd);
+
+    time_t t = time(NULL);
+    struct tm tm = *localtime(&t);
+
+    int res = 0;
+
+    switch(s->cmd) {
+        case PMU_MBCS1:
+            res = 0; // battery power source
+            break;
+        case PMU_ADCC1:
+            res = 0; // battery charge voltage
+            break;
+        case PMU_RTCSC:  // seconds
+            res = int_to_bcd(tm.tm_sec);
+            break;
+        case PMU_RTCMN:  // minutes
+            res = int_to_bcd(tm.tm_min);
+            break;
+        case PMU_RTCHR:  // hours
+            res = int_to_bcd(tm.tm_hour);
+            break;
+        case PMU_RTCDT:  // days
+            res = int_to_bcd(tm.tm_mday);
+            break;
+        case PMU_RTCMT:  // month
+            res = int_to_bcd(tm.tm_mon + 1);
+            break;
+        case PMU_RTCYR:  // year
+            res = int_to_bcd(tm.tm_year - 100); // the year counts from 1900
+            break;
+        case 0x67:
+            res = 1; // whether we should enable debug UARTS
+            break;
+        case 0x69:
+            res = 0; // boot count error/panic
+            break;
+        case 0x76:
+            res = 0; // unknown register
+            break;
+        default:
+            res = 0;
+    }
+
+    s->cmd += 1;
+    return res;
+}
+
+static int pcf50633_send(I2CSlave *i2c, uint8_t data)
+{
+    Pcf50633State *s = PCF50633(i2c);
+    s->cmd = data;
+    return 0;
+}
+
+static void pcf50633_init(Object *obj)
+{
+
+}
+
+static void pcf50633_class_init(ObjectClass *klass, void *data)
+{
+    I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
+
+    k->event = pcf50633_event;
+    k->recv = pcf50633_recv;
+    k->send = pcf50633_send;
+}
+
+static const TypeInfo pcf50633_info = {
+    .name          = TYPE_PCF50633,
+    .parent        = TYPE_I2C_SLAVE,
+    .instance_init = pcf50633_init,
+    .instance_size = sizeof(Pcf50633State),
+    .class_init    = pcf50633_class_init,
+};
+
+static void pcf50633_register_types(void)
+{
+    type_register_static(&pcf50633_info);
+}
+
+type_init(pcf50633_register_types)

hw/arm/ipod_touch_sdio.c

@@ -0,0 +1,105 @@
+#include "hw/arm/ipod_touch_sdio.h"
+
+void sdio_exec_cmd(IPodTouchSDIOState *s)
+{
+    uint32_t addr = (s->arg >> 9) & 0x1ffff;
+    if(addr == (1 << 8)) {
+        // reading slot 1 - make sure there is a device here
+        //s->resp0 = 1;
+    }
+}
+
+static void ipod_touch_sdio_write(void *opaque, hwaddr addr, uint64_t value, unsigned size)
+{
+    fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, value, addr);
+    
+    IPodTouchSDIOState *s = (struct IPodTouchSDIOState *) opaque;
+
+    switch(addr) {
+        case SDIO_CMD:
+            s->cmd = value;
+            if(value & (1 << 31)) {
+                sdio_exec_cmd(s);
+            }
+            break;
+        case SDIO_ARGU:
+            s->arg = value;
+            break;
+        case SDIO_CSR:
+            s->csr = value;
+            break;
+        case SDIO_IRQMASK:
+            s->irq_mask = value;
+            break;
+        default:
+            break;
+    }
+}
+
+static uint64_t ipod_touch_sdio_read(void *opaque, hwaddr addr, unsigned size)
+{
+    fprintf(stderr, "%s: offset = 0x%08x\n", __func__, addr);
+
+    IPodTouchSDIOState *s = (struct IPodTouchSDIOState *) opaque;
+
+    switch (addr) {
+        case SDIO_CMD:
+            return s->cmd;
+        case SDIO_ARGU:
+            return s->arg;
+        case SDIO_DSTA:
+            return (1 << 0) | (1 << 4) ; // 0x1 indicates that the SDIO is ready for a CMD, (1 << 4) that the command is complete
+        case SDIO_RESP0:
+            return s->resp0;
+        case SDIO_RESP1:
+            return s->resp1;
+        case SDIO_RESP2:
+            return s->resp2;
+        case SDIO_RESP3:
+            return s->resp3;
+        case SDIO_CSR:
+            return s->csr;
+        case SDIO_IRQMASK:
+            return s->irq_mask;
+        default:
+            break;
+    }
+
+    return 0;
+}
+
+static const MemoryRegionOps ipod_touch_sdio_ops = {
+    .read = ipod_touch_sdio_read,
+    .write = ipod_touch_sdio_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_sdio_init(Object *obj)
+{
+    DeviceState *dev = DEVICE(obj);
+    IPodTouchSDIOState *s = IPOD_TOUCH_SDIO(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, obj, &ipod_touch_sdio_ops, s, TYPE_IPOD_TOUCH_SDIO, 4096);
+    sysbus_init_mmio(sbd, &s->iomem);
+}
+
+static void ipod_touch_sdio_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+}
+
+static const TypeInfo ipod_touch_sdio_type_info = {
+    .name = TYPE_IPOD_TOUCH_SDIO,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchSDIOState),
+    .instance_init = ipod_touch_sdio_init,
+    .class_init = ipod_touch_sdio_class_init,
+};
+
+static void ipod_touch_sdio_register_types(void)
+{
+    type_register_static(&ipod_touch_sdio_type_info);
+}
+
+type_init(ipod_touch_sdio_register_types)

hw/arm/ipod_touch_sha1.c

@@ -0,0 +1,153 @@
+#include "hw/arm/ipod_touch_sha1.h"
+
+static uint64_t swapLong(void *X) {
+    uint64_t x = (uint64_t) X;
+    x = (x & 0x00000000FFFFFFFF) << 32 | (x & 0xFFFFFFFF00000000) >> 32;
+    x = (x & 0x0000FFFF0000FFFF) << 16 | (x & 0xFFFF0000FFFF0000) >> 16;
+    x = (x & 0x00FF00FF00FF00FF) << 8  | (x & 0xFF00FF00FF00FF00) >> 8;
+    return x;
+}
+
+static void flush_hw_buffer(S5L8900SHA1State *s) {
+    // Flush the hardware buffer to the state buffer and clear the buffer.
+    memcpy(s->buffer + s->buffer_ind, (uint8_t *)s->hw_buffer, 0x40);
+    memset(s->hw_buffer, 0, 0x40);
+    s->hw_buffer_dirty = false;
+    s->buffer_ind += 0x40;
+}
+
+static void sha1_reset(S5L8900SHA1State *s)
+{
+	s->config = 0;
+	s->memory_start = 0;
+	s->memory_mode = 0;
+	s->insize = 0;
+	memset(&s->buffer, 0, SHA1_BUFFER_SIZE);
+	memset(&s->hw_buffer, 0, 0x10 * sizeof(uint32_t));
+	s->buffer_ind = 0;
+	memset(&s->hashout, 0, 0x14);
+	s->hw_buffer_dirty = false;
+	s->hash_computed = false;
+}
+
+static uint64_t s5l8900_sha1_read(void *opaque, hwaddr offset, unsigned size)
+{
+	S5L8900SHA1State *s = (S5L8900SHA1State *)opaque;
+
+    //fprintf(stderr, "%s: offset 0x%08x\n", __FUNCTION__, offset);
+
+	switch(offset) {
+		case SHA_CONFIG:
+			return s->config;
+		case SHA_RESET:
+			return 0;
+		case SHA_MEMORY_START:
+			return s->memory_start;
+		case SHA_MEMORY_MODE:
+			return s->memory_mode;
+		case SHA_INSIZE:
+			return s->insize;
+		/* Hash result ouput */
+		case 0x20 ... 0x34:
+			//fprintf(stderr, "Hash out %08x\n",  *(uint32_t *)&s->hashout[offset - 0x20]);
+            if(!s->hash_computed) {
+                // lazy compute the final hash by inspecting the last eight bytes of the buffer, which contains the length of the input data.
+                uint64_t data_length = swapLong(((uint64_t *)s->buffer)[s->buffer_ind / 8 - 1]) / 8;
+
+                SHA_CTX ctx;
+                SHA1_Init(&ctx);
+                SHA1_Update(&ctx, s->buffer, data_length);
+                SHA1_Final(s->hashout, &ctx);
+                s->hash_computed = true;
+            }
+
+			return *(uint32_t *)&s->hashout[offset - 0x20];
+	}
+
+    return 0;
+}
+
+static void s5l8900_sha1_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+    S5L8900SHA1State *s = (S5L8900SHA1State *)opaque;
+
+    //fprintf(stderr, "%s: offset 0x%08x value 0x%08x\n", __FUNCTION__, offset, value);
+
+	switch(offset) {
+		case SHA_CONFIG:
+			if(value == 0x2 || value == 0xa)
+			{
+                if(s->hw_buffer_dirty) {
+                    flush_hw_buffer(s);
+                }
+
+				if(s->memory_mode)
+				{
+					// we are in memory mode - gradually add the memory to the buffer
+					for(int i = 0; i < s->insize / 0x40; i++) {
+						cpu_physical_memory_read(s->memory_start + i * 0x40, s->buffer + s->buffer_ind, 0x40);
+						s->buffer_ind += 0x40;
+					}
+				}
+			} else {
+				s->config = value;
+			}
+			break;
+		case SHA_RESET:
+			sha1_reset(s);
+			break;
+		case SHA_MEMORY_START:
+			s->memory_start = value;
+			break;
+		case SHA_MEMORY_MODE:
+			s->memory_mode = value;
+			break;
+		case SHA_INSIZE:
+            assert(value <= SHA1_BUFFER_SIZE);
+			s->insize = value;
+			break;
+		case 0x40 ... 0x7c:
+            // write to the hardware buffer
+            s->hw_buffer[(offset - 0x40) / 4] |= value;
+            s->hw_buffer_dirty = true;
+			break;
+	}
+}
+
+static const MemoryRegionOps sha1_ops = {
+    .read = s5l8900_sha1_read,
+    .write = s5l8900_sha1_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_sha1_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    DeviceState *dev = DEVICE(sbd);
+    S5L8900SHA1State *s = IPOD_TOUCH_SHA1(dev);
+
+    memory_region_init_io(&s->iomem, obj, &sha1_ops, s, "sha1", 0x100);
+    sysbus_init_mmio(sbd, &s->iomem);
+
+    sha1_reset(s);
+}
+
+static void s5l8900_sha1_class_init(ObjectClass *klass, void *data)
+{
+
+}
+
+static const TypeInfo ipod_touch_sha1_info = {
+    .name          = TYPE_IPOD_TOUCH_SHA1,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(S5L8900SHA1State),
+    .instance_init = s5l8900_sha1_init,
+    .class_init    = s5l8900_sha1_class_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_sha1_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_spi.c

@@ -0,0 +1,312 @@
+/*
+ * S5L8900 SPI Emulation
+ *
+ * This code is based on:
+ * - https://github.com/TrungNguyen1909/qemu-t8030/blob/master/hw/ssi/apple_spi.c (by TrungNguyen1909)
+ * - https://github.com/danzatt/QEMU-s5l89xx-port/blob/master/hw/s5l8900_spi.c (by cmw)
+ */
+
+#include "hw/arm/ipod_touch_spi.h"
+
+static int apple_spi_word_size(S5L8900SPIState *s)
+{
+    switch (R_CFG_WORD_SIZE(REG(s, R_CFG))) {
+    case R_CFG_WORD_SIZE_8B:
+        return 1;
+    case R_CFG_WORD_SIZE_16B:
+        return 2;
+    case R_CFG_WORD_SIZE_32B:
+        return 4;
+    default:
+        break;
+    }
+    g_assert_not_reached();
+}
+
+static void apple_spi_update_xfer_tx(S5L8900SPIState *s)
+{
+    if (fifo8_is_empty(&s->tx_fifo)) {
+        REG(s, R_STATUS) |= R_STATUS_TXEMPTY;
+    }
+}
+
+static void apple_spi_update_xfer_rx(S5L8900SPIState *s)
+{
+    if (!fifo8_is_empty(&s->rx_fifo)) {
+        REG(s, R_STATUS) |= R_STATUS_RXREADY;
+    }
+}
+
+static void apple_spi_update_irq(S5L8900SPIState *s)
+{
+    uint32_t irq = 0;
+    uint32_t mask = 0;
+
+    if (REG(s, R_CFG) & R_CFG_IE_RXREADY) {
+        mask |= R_STATUS_RXREADY;
+    }
+    if (REG(s, R_CFG) & R_CFG_IE_TXEMPTY) {
+        mask |= R_STATUS_TXEMPTY;
+    }
+    if (REG(s, R_CFG) & R_CFG_IE_COMPLETE) {
+        mask |= R_STATUS_COMPLETE;
+    }
+
+    if (REG(s, R_STATUS) & mask) {
+        irq = 1;
+    }
+    if (irq != s->last_irq) {
+        s->last_irq = irq;
+        qemu_set_irq(s->irq, irq);
+    }
+}
+
+static void apple_spi_update_cs(S5L8900SPIState *s)
+{
+    BusState *b = BUS(s->spi);
+    BusChild *kid = QTAILQ_FIRST(&b->children);
+    if (kid) {
+        // TODO GPIO not properly setup yet
+        //qemu_set_irq(qdev_get_gpio_in_named(kid->child, SSI_GPIO_CS, 0), (REG(s, R_PIN) & R_PIN_CS) != 0);
+    }
+}
+
+static void apple_spi_cs_set(void *opaque, int pin, int level)
+{
+    S5L8900SPIState *s = S5L8900SPI(opaque);
+    if (level) {
+        REG(s, R_PIN) |= R_PIN_CS;
+    } else {
+        REG(s, R_PIN) &= ~R_PIN_CS;
+    }
+    apple_spi_update_cs(s);
+}
+
+static void apple_spi_run(S5L8900SPIState *s)
+{
+    uint32_t tx;
+    uint32_t rx;
+
+    if (!(REG(s, R_CTRL) & R_CTRL_RUN)) {
+        return;
+    }
+
+    while (!fifo8_is_empty(&s->tx_fifo)) {
+        tx = (uint32_t)fifo8_pop(&s->tx_fifo);
+        rx = ssi_transfer(s->spi, tx);
+        apple_spi_update_xfer_tx(s);
+        if (REG(s, R_RXCNT) > 0) {
+            if (fifo8_is_full(&s->rx_fifo)) {
+                qemu_log_mask(LOG_GUEST_ERROR, "%s: rx overflow\n", __func__);
+                REG(s, R_STATUS) |= R_STATUS_RXOVERFLOW;
+            } else {
+                fifo8_push(&s->rx_fifo, (uint8_t)rx);
+                REG(s, R_RXCNT)--;
+                apple_spi_update_xfer_rx(s);
+            }
+        }
+    }
+
+    // fetch the remaining bytes by sending sentinel bytes.
+    while (!fifo8_is_full(&s->rx_fifo) && (REG(s, R_RXCNT) > 0) && (REG(s, R_CFG) & R_CFG_AGD)) {
+        rx = ssi_transfer(s->spi, 0xff);
+        if (fifo8_is_full(&s->rx_fifo)) {
+            qemu_log_mask(LOG_GUEST_ERROR, "%s: rx overflow\n", __func__);
+            REG(s, R_STATUS) |= R_STATUS_RXOVERFLOW;
+            break;
+        } else {
+            fifo8_push(&s->rx_fifo, (uint8_t)rx);
+            REG(s, R_RXCNT)--;
+            apple_spi_update_xfer_rx(s);
+        }
+    }
+    if (REG(s, R_RXCNT) == 0 && fifo8_is_empty(&s->tx_fifo)) {
+        REG(s, R_STATUS) |= R_STATUS_COMPLETE;
+        REG(s, R_CTRL) &= ~R_CTRL_RUN;
+    }
+}
+
+static uint64_t s5l8900_spi_read(void *opaque, hwaddr addr, unsigned size)
+{
+    S5L8900SPIState *s = S5L8900SPI(opaque);
+    //fprintf(stderr, "%s (base %d): read from location 0x%08x\n", __func__, s->base, addr);
+
+    uint32_t r;
+    bool run = false;
+
+    r = s->regs[addr >> 2];
+    switch (addr) {
+    case R_RXDATA: {
+        const uint8_t *buf = NULL;
+        int word_size = apple_spi_word_size(s);
+        uint32_t num = 0;
+        if (fifo8_is_empty(&s->rx_fifo)) {
+            qemu_log_mask(LOG_GUEST_ERROR, "%s: rx underflow\n", __func__);
+            r = 0;
+            break;
+        }
+        buf = fifo8_pop_buf(&s->rx_fifo, word_size, &num);
+        memcpy(&r, buf, num);
+        if (fifo8_is_empty(&s->rx_fifo)) {
+            run = true;
+        }
+        break;
+    }
+    case R_STATUS: {
+        int val = 0;
+        val |= fifo8_num_used(&s->tx_fifo) << R_STATUS_TXFIFO_SHIFT;
+        val |= fifo8_num_used(&s->rx_fifo) << R_STATUS_RXFIFO_SHIFT;
+        val &= (R_STATUS_TXFIFO_MASK | R_STATUS_RXFIFO_MASK);
+        r &= ~(R_STATUS_TXFIFO_MASK | R_STATUS_RXFIFO_MASK);
+        r |= val;
+        break;
+    }
+    default:
+        break;
+    }
+
+    if (run) {
+        apple_spi_run(s);
+    }
+    apple_spi_update_irq(s);
+    return r;
+}
+
+static void s5l8900_spi_write(void *opaque, hwaddr addr, uint64_t data, unsigned size)
+{
+    S5L8900SPIState *s = S5L8900SPI(opaque);
+    //fprintf(stderr, "%s (base %d): writing 0x%08x to 0x%08x\n", __func__, s->base, data, addr);
+
+    uint32_t r = data;
+    uint32_t *mmio = &REG(s, addr);
+    uint32_t old = *mmio;
+    bool cs_flg = false;
+    bool run = false;
+
+    switch (addr) {
+    case R_CTRL:
+        if (r & R_CTRL_TX_RESET) {
+            fifo8_reset(&s->tx_fifo);
+        }
+        if (r & R_CTRL_RX_RESET) {
+            fifo8_reset(&s->rx_fifo);
+        }
+        if (r & R_CTRL_RUN && !fifo8_is_empty(&s->tx_fifo)) {
+            run = true;
+        }
+        break;
+    case R_STATUS:
+        r = old & (~r);
+        run = true;
+        break;
+    case R_PIN:
+        cs_flg = true;
+        break;
+    case R_TXDATA ... R_TXDATA + 3: {
+        int word_size = apple_spi_word_size(s);
+        if ((fifo8_is_full(&s->tx_fifo))
+            || (fifo8_num_free(&s->tx_fifo) < word_size)) {
+            hw_error("OVERFLOW: %d\n", fifo8_num_free(&s->tx_fifo));
+            qemu_log_mask(LOG_GUEST_ERROR, "%s: tx overflow\n", __func__);
+            r = 0;
+            break;
+        }
+        fifo8_push_all(&s->tx_fifo, (uint8_t *)&r, word_size);
+        break;
+    case R_CFG:
+        run = true;
+        break;
+    }
+    default:
+        break;
+    }
+
+    *mmio = r;
+    if (cs_flg) {
+        apple_spi_update_cs(s);
+    }
+    if (run) {
+        apple_spi_run(s);
+    }
+    apple_spi_update_irq(s);
+}
+
+static const MemoryRegionOps spi_ops = {
+    .read = s5l8900_spi_read,
+    .write = s5l8900_spi_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_spi_reset(DeviceState *d)
+{
+    S5L8900SPIState *s = (S5L8900SPIState *)d;
+	memset(s->regs, 0, sizeof(s->regs));
+    fifo8_reset(&s->tx_fifo);
+    fifo8_reset(&s->rx_fifo);
+}
+
+static uint32_t base_addr = 0;
+
+void set_spi_base(uint32_t base)
+{
+	base_addr = base;
+}
+
+static void s5l8900_spi_realize(DeviceState *dev, struct Error **errp)
+{
+    S5L8900SPIState *s = S5L8900SPI(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+
+    char bus_name[32] = { 0 };
+    snprintf(bus_name, sizeof(bus_name), "%s.bus", dev->id);
+    s->spi = ssi_create_bus(dev, (const char *)bus_name);
+
+    sysbus_init_irq(sbd, &s->irq);
+    sysbus_init_irq(sbd, &s->cs_line);
+    qdev_init_gpio_in_named(dev, apple_spi_cs_set, SSI_GPIO_CS, 1);
+    char name[5];
+    snprintf(name, 5, "spi%d", base_addr);
+    memory_region_init_io(&s->iomem, OBJECT(s), &spi_ops, s, name, 0x100);
+    sysbus_init_mmio(sbd, &s->iomem);
+    s->base = base_addr;
+
+    fifo8_create(&s->tx_fifo, R_FIFO_DEPTH);
+    fifo8_create(&s->rx_fifo, R_FIFO_DEPTH);
+
+    // create the peripheral
+    switch(s->base) {
+        case 0:
+            break;
+        case 1:
+            ssi_create_peripheral(s->spi, TYPE_IPOD_TOUCH_LCD_PANEL);
+            break;
+        case 2:
+        {
+            DeviceState *dev = ssi_create_peripheral(s->spi, TYPE_IPOD_TOUCH_MULTITOUCH);
+            IPodTouchMultitouchState *mt = IPOD_TOUCH_MULTITOUCH(dev);
+            s->mt = mt;
+            break;
+        }
+    }
+}
+
+static void s5l8900_spi_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    dc->realize = s5l8900_spi_realize;
+    dc->reset = s5l8900_spi_reset;
+}
+
+static const TypeInfo s5l8900_spi_info = {
+    .name          = TYPE_S5L8900SPI,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(S5L8900SPIState),
+    .class_init    = s5l8900_spi_class_init,
+};
+
+static void s5l8900_spi_register_types(void)
+{
+    type_register_static(&s5l8900_spi_info);
+}
+
+type_init(s5l8900_spi_register_types)

hw/arm/ipod_touch_sysic.c

@@ -0,0 +1,127 @@
+#include "hw/arm/ipod_touch_sysic.h"
+
+static uint64_t ipod_touch_sysic_read(void *opaque, hwaddr addr, unsigned size)
+{
+    IPodTouchSYSICState *s = (IPodTouchSYSICState *) opaque;
+
+    //fprintf(stderr, "%s: offset = 0x%08x\n", __func__, addr);
+
+    switch (addr) {
+        case POWER_ID:
+            //return (3 << 24); //for older iboots
+            return (2 << 0x18);
+        case POWER_SETSTATE:
+        case POWER_STATE:
+            return s->power_state;
+        case 0x7a:
+        case 0x7c:
+            return 1;
+        case GPIO_INTLEVEL ... (GPIO_INTLEVEL + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTLEVEL) / 4;
+            return s->gpio_int_level[group];
+        }
+        case GPIO_INTSTAT ... (GPIO_INTSTAT + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTSTAT) / 4;
+            return s->gpio_int_status[group];
+        }
+        case GPIO_INTEN ... (GPIO_INTEN + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTEN) / 4;
+            return s->gpio_int_enabled[group];
+        }
+        case GPIO_INTTYPE ... (GPIO_INTTYPE + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTTYPE) / 4;
+            return s->gpio_int_type[group];
+        }
+      default:
+        break;
+    }
+    return 0;
+}
+
+static void ipod_touch_sysic_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+    IPodTouchSYSICState *s = (IPodTouchSYSICState *) opaque;
+
+    //fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, val, addr);
+
+    switch (addr) {
+        case POWER_ONCTRL:
+            if((val & 0x20) != 0 || (val & 0x4) != 0 || (val & POWER_ID_ADM) != 0) { break; } // make sure that we do not record the 'on' state of some devices so it appears like they are turned on immediately.
+            s->power_state = val;
+            break;
+        case POWER_OFFCTRL:
+            s->power_state = val;
+            break;
+        case GPIO_INTLEVEL ... (GPIO_INTLEVEL + GPIO_NUMINTGROUPS * 4):
+        {
+            break;
+        }
+        case GPIO_INTSTAT ... (GPIO_INTSTAT + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTSTAT) / 4;
+
+            // acknowledge the interrupts and clear the corresponding bits
+            s->gpio_int_status[group] = s->gpio_int_status[group] & ~val;
+
+            qemu_irq_lower(s->gpio_irqs[group]);
+
+            break;
+        }
+        case GPIO_INTEN ... (GPIO_INTEN + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTEN) / 4;
+            s->gpio_int_enabled[group] = val;
+            break;
+        }
+        case GPIO_INTTYPE ... (GPIO_INTTYPE + GPIO_NUMINTGROUPS * 4):
+        {
+            uint8_t group = (addr - GPIO_INTTYPE) / 4;
+            s->gpio_int_type[group] = val;
+            break;
+        }
+        default:
+            break;
+    }
+}
+
+static const MemoryRegionOps ipod_touch_sysic_ops = {
+    .read = ipod_touch_sysic_read,
+    .write = ipod_touch_sysic_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_sysic_init(Object *obj)
+{
+    IPodTouchSYSICState *s = IPOD_TOUCH_SYSIC(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, obj, &ipod_touch_sysic_ops, s, TYPE_IPOD_TOUCH_SYSIC, 0x1000);
+    sysbus_init_mmio(sbd, &s->iomem);
+    for(int grp = 0; grp < GPIO_NUMINTGROUPS; grp++) {
+        sysbus_init_irq(sbd, &s->gpio_irqs[grp]);
+    }
+}
+
+static void ipod_touch_sysic_class_init(ObjectClass *klass, void *data)
+{
+    
+}
+
+static const TypeInfo ipod_touch_sysic_type_info = {
+    .name = TYPE_IPOD_TOUCH_SYSIC,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchSYSICState),
+    .instance_init = ipod_touch_sysic_init,
+    .class_init = ipod_touch_sysic_class_init,
+};
+
+static void ipod_touch_sysic_register_types(void)
+{
+    type_register_static(&ipod_touch_sysic_type_info);
+}
+
+type_init(ipod_touch_sysic_register_types)

hw/arm/ipod_touch_timer.c

@@ -0,0 +1,143 @@
+#include "hw/arm/ipod_touch_timer.h"
+
+static void s5l8900_st_update(IPodTouchTimerState *s)
+{
+    s->freq_out = 1000000000 / 100; 
+    s->tick_interval = /* bcount1 * get_ticks / freq  + ((bcount2 * get_ticks / freq)*/
+    muldiv64((s->bcount1 < 1000) ? 1000 : s->bcount1, NANOSECONDS_PER_SECOND, s->freq_out);
+    s->next_planned_tick = 0;
+}
+
+static void s5l8900_st_set_timer(IPodTouchTimerState *s)
+{
+    uint64_t last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->base_time;
+
+    s->next_planned_tick = last + (s->tick_interval - last % s->tick_interval);
+    timer_mod(s->st_timer, s->next_planned_tick + s->base_time);
+    s->last_tick = last;
+}
+
+static void s5l8900_st_tick(void *opaque)
+{
+    IPodTouchTimerState *s = (IPodTouchTimerState *)opaque;
+
+    if (s->status & TIMER_STATE_START) {
+        //fprintf(stderr, "%s: Raising irq\n", __func__);
+        qemu_irq_raise(s->irq);
+
+        /* schedule next interrupt */
+        if(!(s->status & TIMER_STATE_MANUALUPDATE)) {
+            s5l8900_st_set_timer(s);
+        }
+    } else {
+        s->next_planned_tick = 0;
+        s->last_tick = 0;
+        timer_del(s->st_timer);
+    }
+}
+
+static void s5l8900_timer1_write(void *opaque, hwaddr addr, uint64_t value, unsigned size)
+{
+    //fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, value, addr);
+    IPodTouchTimerState *s = (struct IPodTouchTimerState *) opaque;
+
+    switch(addr){
+
+        case TIMER_IRQSTAT:
+            s->irqstat = value;
+            return;
+        case TIMER_IRQLATCH:
+            //fprintf(stderr, "%s: lowering irq\n", __func__);
+            qemu_irq_lower(s->irq);     
+            return;
+        case TIMER_4 + TIMER_CONFIG:
+            s5l8900_st_update(s);
+            s->config = value;
+            break;
+        case TIMER_4 + TIMER_STATE:
+            if (value & TIMER_STATE_START) {
+                s->base_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+                s5l8900_st_update(s);
+                s5l8900_st_set_timer(s);
+            } else if (value == TIMER_STATE_STOP) {
+                timer_del(s->st_timer);
+            }
+            s->status = value;
+            break;
+        case TIMER_4 + TIMER_COUNT_BUFFER:
+            s->bcount1 = s->bcreload = value;
+            break;
+        case TIMER_4 + TIMER_COUNT_BUFFER2:
+            s->bcount2 = value;
+            break;
+      default:
+        break;
+    }
+}
+
+static uint64_t s5l8900_timer1_read(void *opaque, hwaddr addr, unsigned size)
+{
+    //fprintf(stderr, "%s: read from location 0x%08x\n", __func__, addr);
+    IPodTouchTimerState *s = (struct IPodTouchTimerState *) opaque;
+    uint64_t elapsed_ns, ticks;
+
+    switch (addr) {
+        case TIMER_TICKSHIGH:    // needs to be fixed so that read from low first works as well
+
+            elapsed_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 2; // the timer ticks twice as slow as the CPU frequency in the kernel
+            ticks = clock_ns_to_ticks(s->sysclk, elapsed_ns);
+            //printf("TICKS: %lld\n", ticks);
+            s->ticks_high = (ticks >> 32);
+            s->ticks_low = (ticks & 0xFFFFFFFF);
+            return s->ticks_high;
+        case TIMER_TICKSLOW:
+            return s->ticks_low;
+        case TIMER_IRQSTAT:
+            return ~0; // s->irqstat;
+        case TIMER_IRQLATCH:
+            return 0xffffffff;
+
+      default:
+        break;
+    }
+    return 0;
+}
+
+static const MemoryRegionOps timer1_ops = {
+    .read = s5l8900_timer1_read,
+    .write = s5l8900_timer1_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_timer_init(Object *obj)
+{
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+    DeviceState *dev = DEVICE(sbd);
+    IPodTouchTimerState *s = IPOD_TOUCH_TIMER(dev);
+
+    memory_region_init_io(&s->iomem, obj, &timer1_ops, s, "timer1", 0x10001);
+    sysbus_init_irq(sbd, &s->irq);
+
+    s->base_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+    s->st_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s5l8900_st_tick, s);
+}
+
+static void s5l8900_timer_class_init(ObjectClass *klass, void *data)
+{
+
+}
+
+static const TypeInfo ipod_touch_timer_info = {
+    .name          = TYPE_IPOD_TOUCH_TIMER,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchTimerState),
+    .instance_init = s5l8900_timer_init,
+    .class_init    = s5l8900_timer_class_init,
+};
+
+static void ipod_touch_machine_types(void)
+{
+    type_register_static(&ipod_touch_timer_info);
+}
+
+type_init(ipod_touch_machine_types)

hw/arm/ipod_touch_tvout.c

@@ -0,0 +1,68 @@
+#include "hw/arm/ipod_touch_tvout.h"
+#include "qapi/error.h"
+
+static uint64_t ipod_touch_tvout_read(void *opaque, hwaddr offset, unsigned size)
+{
+    IPodTouchTVOutState *s = (IPodTouchTVOutState *)opaque;
+
+    //fprintf(stderr, "%s (%d): offset = 0x%08x\n", __func__, s->index, offset);
+
+    // switch(offset) {
+    //     case SDO_IRQ:
+    //         return s->sdo_irq_reg;
+    // }
+
+    return s->data[offset];
+}
+
+static void ipod_touch_tvout_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+    IPodTouchTVOutState *s = (IPodTouchTVOutState *)opaque;
+
+    //fprintf(stderr, "%s (%d): writing 0x%08x to 0x%08x\n", __func__, s->index, value, offset);
+    s->data[offset] = value;
+    // switch(offset) {
+    //     case SDO_IRQ:
+    //         s->sdo_irq_reg = value;
+    //         break;
+    //     default:
+    //         break;
+    // }
+}
+
+static const MemoryRegionOps ipod_touch_tvout_ops = {
+    .read = ipod_touch_tvout_read,
+    .write = ipod_touch_tvout_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_tvout_init(Object *obj)
+{
+    DeviceState *dev = DEVICE(obj);
+    IPodTouchTVOutState *s = IPOD_TOUCH_TVOUT(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, obj, &ipod_touch_tvout_ops, s, "tvout", 4096);
+    sysbus_init_mmio(sbd, &s->iomem);
+    sysbus_init_irq(sbd, &s->irq);
+}
+
+static void ipod_touch_tvout_class_init(ObjectClass *klass, void *data)
+{
+
+}
+
+static const TypeInfo ipod_touch_tvout_type_info = {
+    .name = TYPE_IPOD_TOUCH_TVOUT,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchTVOutState),
+    .instance_init = ipod_touch_tvout_init,
+    .class_init = ipod_touch_tvout_class_init,
+};
+
+static void ipod_touch_tvout_register_types(void)
+{
+    type_register_static(&ipod_touch_tvout_type_info);
+}
+
+type_init(ipod_touch_tvout_register_types)

hw/arm/ipod_touch_usb_otg.c

@@ -0,0 +1,617 @@
+/*
+ * Synopsys DesignWareCore for USB OTG.
+ *
+ * Copyright (c) 2011 Richard Ian Taylor.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/platform-bus.h"
+#include "qapi/error.h"
+#include "hw/hw.h"
+#include "hw/arm/ipod_touch_usb_otg.h"
+
+static inline size_t synopsys_usb_tx_fifo_start(synopsys_usb_state *_state, uint32_t _fifo)
+{
+	if(_fifo == 0)
+		return _state->gnptxfsiz >> 16;
+	else
+		return _state->dptxfsiz[_fifo-1] >> 16;
+}
+
+static inline size_t synopsys_usb_tx_fifo_size(synopsys_usb_state *_state, uint32_t _fifo)
+{
+	if(_fifo == 0)
+		return _state->gnptxfsiz & 0xFFFF;
+	else
+		return _state->dptxfsiz[_fifo-1] & 0xFFFF;
+}
+
+static void synopsys_usb_update_irq(synopsys_usb_state *_state)
+{
+	_state->daintsts = 0;
+	_state->gintsts &=~ (GINTMSK_OEP | GINTMSK_INEP | GINTMSK_OTG);
+
+	if(_state->gotgint)
+		_state->gintsts |= GINTMSK_OTG;
+
+	int i;
+	for(i = 0; i < USB_NUM_ENDPOINTS; i++)
+	{
+		if(_state->out_eps[i].interrupt_status & _state->doepmsk)
+		{
+			_state->daintsts |= 1 << (i+DAINT_OUT_SHIFT);
+			if(_state->daintmsk & (1 << (i+DAINT_OUT_SHIFT)))
+				_state->gintsts |= GINTMSK_OEP;
+		}
+
+		if(_state->in_eps[i].interrupt_status & _state->diepmsk)
+		{
+			_state->daintsts |= 1 << (i+DAINT_IN_SHIFT);
+			if(_state->daintmsk & (1 << (i+DAINT_IN_SHIFT)))
+				_state->gintsts |= GINTMSK_INEP;
+		}
+	}
+	
+	if((_state->pcgcctl & 3) == 0 && _state->gintmsk & _state->gintsts)
+	{
+		//printf("USB: IRQ triggered 0x%08x & 0x%08x.\n", _state->gintsts, _state->gintmsk);
+		qemu_irq_raise(_state->irq);
+	}
+	else
+		qemu_irq_lower(_state->irq);
+}
+
+static void synopsys_usb_update_ep(synopsys_usb_state *_state, synopsys_usb_ep_state *_ep)
+{
+	if(_ep->control & USB_EPCON_SETNAK)
+	{
+		_ep->control |= USB_EPCON_NAKSTS;
+		_ep->interrupt_status |= USB_EPINT_INEPNakEff;
+		_ep->control &=~ USB_EPCON_SETNAK;
+	}
+
+	if(_ep->control & USB_EPCON_DISABLE)
+	{
+		_ep->interrupt_status |= USB_EPINT_EPDisbld;
+		_ep->control &=~ (USB_EPCON_DISABLE | USB_EPCON_ENABLE);
+	}
+}
+
+static void synopsys_usb_update_in_ep(synopsys_usb_state *_state, uint8_t _ep)
+{
+	synopsys_usb_ep_state *eps = &_state->in_eps[_ep];
+	synopsys_usb_update_ep(_state, eps);
+
+	if(eps->control & USB_EPCON_ENABLE)
+		;//printf("USB: IN transfer queued on %d.\n", _ep);
+}
+
+static void synopsys_usb_update_out_ep(synopsys_usb_state *_state, uint8_t _ep)
+{
+	synopsys_usb_ep_state *eps = &_state->out_eps[_ep];
+	synopsys_usb_update_ep(_state, eps);
+
+	if(eps->control & USB_EPCON_ENABLE)
+		;//printf("USB: OUT transfer queued on %d.\n", _ep);
+}
+
+static uint32_t synopsys_usb_in_ep_read(synopsys_usb_state *_state, uint8_t _ep, hwaddr _addr)
+{
+	if(_ep >= USB_NUM_ENDPOINTS)
+	{
+		hw_error("usb_synopsys: Tried to read from disabled EP %d.\n", _ep);
+		return 0;
+	}
+
+    switch (_addr)
+	{
+    case 0x00:
+        return _state->in_eps[_ep].control;
+
+    case 0x08:
+        return _state->in_eps[_ep].interrupt_status;
+
+    case 0x10:
+        return _state->in_eps[_ep].tx_size;
+
+    case 0x14:
+        return _state->in_eps[_ep].dma_address;
+
+    case 0x1C:
+        return _state->in_eps[_ep].dma_buffer;
+
+    default:
+        hw_error("usb_synopsys: bad ep read offset 0x" TARGET_FMT_plx "\n", _addr);
+		break;
+    }
+
+	return 0;
+}
+
+static uint32_t synopsys_usb_out_ep_read(synopsys_usb_state *_state, int _ep, hwaddr _addr)
+{
+	if(_ep >= USB_NUM_ENDPOINTS)
+	{
+		hw_error("usb_synopsys: Tried to read from disabled EP %d.\n", _ep);
+		return 0;
+	}
+
+    switch (_addr)
+	{
+    case 0x00:
+        return _state->out_eps[_ep].control;
+
+    case 0x08:
+        return _state->out_eps[_ep].interrupt_status;
+
+    case 0x10:
+        return _state->out_eps[_ep].tx_size;
+
+    case 0x14:
+        return _state->out_eps[_ep].dma_address;
+
+    case 0x1C:
+        return _state->out_eps[_ep].dma_buffer;
+
+    default:
+        hw_error("usb_synopsys: bad ep read offset 0x" TARGET_FMT_plx "\n", _addr);
+		break;
+    }
+
+	return 0;
+}
+
+static uint64_t synopsys_usb_read(void *opaque, hwaddr _addr, unsigned size)
+{
+	synopsys_usb_state *state = (synopsys_usb_state *)opaque;
+	
+	//printf("USB: Read 0x%08x.\n", _addr);
+
+	switch(_addr)
+	{
+	case PCGCCTL:
+		return state->pcgcctl;
+
+	case GOTGCTL:
+		return state->gotgctl;
+
+	case GOTGINT:
+		return state->gotgint;
+
+	case GRSTCTL:
+		return state->grstctl;
+
+	case GHWCFG1:
+		return state->ghwcfg1;
+
+	case GHWCFG2:
+		return state->ghwcfg2;
+
+	case GHWCFG3:
+		return state->ghwcfg3;
+
+	case GHWCFG4:
+		return state->ghwcfg4;
+
+	case GAHBCFG:
+		return state->gahbcfg;
+
+	case GUSBCFG:
+		return state->gusbcfg;
+
+	case GINTMSK:
+		return state->gintmsk;
+
+	case GINTSTS:
+		return state->gintsts;
+
+	case DIEPMSK:
+		return state->diepmsk;
+
+	case DOEPMSK:
+		return state->doepmsk;
+
+	case DAINTMSK:
+		return state->daintmsk;
+	
+	case DAINTSTS:
+		return state->daintsts;
+
+	case DCTL:
+		return state->dctl;
+
+	case DCFG:
+		return state->dcfg;
+
+	case DSTS:
+		return state->dsts;
+
+	case GRXSTSR:
+	case GRXSTSP:
+		return 0; // TODO: Do something about this?
+
+	case GNPTXFSTS:
+		return 0xFFFFFFFF;
+
+	case GRXFSIZ:
+		return state->grxfsiz;
+
+	case GNPTXFSIZ:
+		return state->gnptxfsiz;
+
+	case DIEPTXF(1) ... DIEPTXF(USB_NUM_FIFOS+1):
+		_addr -= DIEPTXF(1);
+		_addr >>= 2;
+		return state->dptxfsiz[_addr];
+
+	case USB_INREGS ... (USB_INREGS + USB_EPREGS_SIZE - 4):
+		_addr -= USB_INREGS;
+		return synopsys_usb_in_ep_read(state, _addr >> 5, _addr & 0x1f);
+
+	case USB_OUTREGS ... (USB_OUTREGS + USB_EPREGS_SIZE - 4):
+		_addr -= USB_OUTREGS;
+		return synopsys_usb_out_ep_read(state, _addr >> 5, _addr & 0x1f);
+
+	case USB_FIFO_START ... USB_FIFO_END-4:
+		_addr -= USB_FIFO_START;
+		return *((uint32_t*)(&state->fifos[_addr]));
+
+	default:
+		hw_error("USB: Unhandled read address 0x%08x!\n", _addr);
+	}
+
+	return 0;
+}
+
+static void synopsys_usb_in_ep_write(synopsys_usb_state *_state, int _ep, hwaddr _addr, uint32_t _val)
+{
+	if(_ep >= USB_NUM_ENDPOINTS)
+	{
+		hw_error("usb_synopsys: Wrote to disabled EP %d.\n", _ep);
+		return;
+	}
+
+    switch (_addr)
+	{
+    case 0x00:
+		_state->in_eps[_ep].control = _val;
+		synopsys_usb_update_in_ep(_state, _ep);
+		return;
+
+    case 0x08:
+        _state->in_eps[_ep].interrupt_status &=~ _val;
+		synopsys_usb_update_irq(_state);
+		return;
+
+    case 0x10:
+        _state->in_eps[_ep].tx_size = _val;
+		return;
+
+    case 0x14:
+        _state->in_eps[_ep].dma_address = _val;
+		return;
+
+    case 0x1C:
+        _state->in_eps[_ep].dma_buffer = _val;
+		return;
+
+    default:
+        hw_error("usb_synopsys: bad ep write offset 0x" TARGET_FMT_plx "\n", _addr);
+		break;
+    }
+}
+
+static void synopsys_usb_out_ep_write(synopsys_usb_state *_state, int _ep, hwaddr _addr, uint32_t _val)
+{
+	if(_ep >= USB_NUM_ENDPOINTS)
+	{
+		hw_error("usb_synopsys: Wrote to disabled EP %d.\n", _ep);
+		return;
+	}
+
+    switch (_addr)
+	{
+	case 0x00:
+        _state->out_eps[_ep].control = _val;
+		synopsys_usb_update_out_ep(_state, _ep);
+		return;
+
+    case 0x08:
+        _state->out_eps[_ep].interrupt_status &=~ _val;
+		synopsys_usb_update_irq(_state);
+		return;
+
+    case 0x10:
+        _state->out_eps[_ep].tx_size = _val;
+		return;
+
+    case 0x14:
+        _state->out_eps[_ep].dma_address = _val;
+		return;
+
+    case 0x1C:
+        _state->out_eps[_ep].dma_buffer = _val;
+		return;
+
+    default:
+        hw_error("usb_synopsys: bad ep write offset 0x" TARGET_FMT_plx "\n", _addr);
+		break;
+    }
+}
+
+static void synopsys_usb_write(void *opaque, hwaddr _addr, uint64_t _val, unsigned size)
+{
+	synopsys_usb_state *state = (synopsys_usb_state *)opaque;
+	
+	//printf("USB: Write 0x%08x to 0x%08x.\n", _val, _addr);
+
+	switch(_addr)
+	{
+	case PCGCCTL:
+		state->pcgcctl = _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case GOTGCTL:
+		state->gotgctl = _val;
+		break;
+
+	case GOTGINT:
+		state->gotgint &=~ _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case GRSTCTL:
+		if(_val & GRSTCTL_CORESOFTRESET)
+		{
+			state->grstctl = GRSTCTL_CORESOFTRESET;
+
+			// Do reset stuff
+			// if(state->server_host)
+			// {
+			// 	tcp_usb_cleanup(&state->tcp_state);
+			// 	tcp_usb_init(&state->tcp_state, synopsys_usb_tcp_callback, NULL, state);
+
+			// 	printf("Connecting to USB server at %s:%d...\n",
+			// 			state->server_host, state->server_port);
+
+			// 	int ret = tcp_usb_connect(&state->tcp_state, state->server_host, state->server_port);
+			// 	if(ret < 0)
+			// 		hw_error("Failed to connect to USB server (%d).\n", ret);
+
+			// 	printf("Connected to USB server.\n");
+			// }
+
+			state->grstctl &= ~GRSTCTL_CORESOFTRESET;
+			state->grstctl |= GRSTCTL_AHBIDLE;
+			state->gintsts |= GINTMSK_RESET;
+			synopsys_usb_update_irq(state);
+		}
+		else if(_val == 0)
+			state->grstctl = _val;
+
+		return;
+
+	case GINTMSK:
+		state->gintmsk = _val;
+		synopsys_usb_update_irq(state);
+		break;
+
+	case GINTSTS:
+		state->gintsts &=~ _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case DOEPMSK:
+		state->doepmsk = _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case DIEPMSK:
+		state->diepmsk = _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case DAINTMSK:
+		state->daintmsk = _val;
+		synopsys_usb_update_irq(state);
+		return;
+	
+	case DAINTSTS:
+		state->daintsts &=~ _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case GAHBCFG:
+		state->gahbcfg = _val;
+		return;
+
+	case GUSBCFG:
+		state->gusbcfg = _val;
+		return;
+
+	case DCTL:
+		if((_val & DCTL_SGNPINNAK) != (state->dctl & DCTL_SGNPINNAK)
+				&& (_val & DCTL_SGNPINNAK))
+		{
+			state->gintsts |= GINTMSK_GINNAKEFF;
+			_val &=~ DCTL_SGNPINNAK;
+		}
+
+		if((_val & DCTL_SGOUTNAK) != (state->dctl & DCTL_SGOUTNAK)
+				&& (_val & DCTL_SGOUTNAK))
+		{
+			state->gintsts |= GINTMSK_GOUTNAKEFF;
+			_val &=~ DCTL_SGOUTNAK;
+		}
+
+		state->dctl = _val;
+		synopsys_usb_update_irq(state);
+		return;
+
+	case DCFG:
+		//printf("USB: dcfg = 0x%08x.\n", _val);
+		state->dcfg = _val;
+		return;
+
+	case GRXFSIZ:
+		state->grxfsiz = _val;
+		return;
+
+	case GNPTXFSIZ:
+		state->gnptxfsiz = _val;
+		return;
+
+	case DIEPTXF(1) ... DIEPTXF(USB_NUM_FIFOS+1):
+		_addr -= DIEPTXF(1);
+		_addr >>= 2;
+		state->dptxfsiz[_addr] = _val;
+		return;
+
+	case USB_INREGS ... (USB_INREGS + USB_EPREGS_SIZE - 4):
+		_addr -= USB_INREGS;
+		synopsys_usb_in_ep_write(state, _addr >> 5, _addr & 0x1f, _val);
+		return;
+
+	case USB_OUTREGS ... (USB_OUTREGS + USB_EPREGS_SIZE - 4):
+		_addr -= USB_OUTREGS;
+		synopsys_usb_out_ep_write(state, _addr >> 5, _addr & 0x1f, _val);
+		return;
+
+	case USB_FIFO_START ... USB_FIFO_END-4:
+		_addr -= USB_FIFO_START;
+		*((uint32_t*)(&state->fifos[_addr])) = _val;
+		return;
+
+	default:
+		hw_error("USB: Unhandled write address 0x%08x!\n", _addr);
+	}
+}
+
+static const MemoryRegionOps usb_otg_ops = {
+    .read = synopsys_usb_read,
+    .write = synopsys_usb_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void s5l8900_usb_otg_reset(DeviceState *d)
+{
+	synopsys_usb_state *state = S5L8900USBOTG(d);
+
+	printf("USB: cfg = 0x%08x, 0x%08x, 0x%08x, 0x%08x.\n",
+			state->ghwcfg1,
+			state->ghwcfg2,
+			state->ghwcfg3,
+			state->ghwcfg4);
+
+	state->pcgcctl = 3;
+
+	state->gahbcfg = 0;
+	state->gusbcfg = 0;
+
+	state->dctl = 0;
+	state->dcfg = 0;
+	state->dsts = 0;
+
+	state->gotgctl = 0;
+	state->gotgint = 0;
+
+	state->gintmsk = 0;
+	state->gintsts = 0;
+
+	state->daintmsk = 0;
+	state->daintsts = 0;
+
+	state->diepmsk = 0;
+	state->doepmsk = 0;
+
+	state->grxfsiz = 0x100;
+	state->gnptxfsiz = (0x100 << 16) | 0x100;
+
+	uint32_t counter = 0x200;
+	int i;
+	for(i = 0; i < USB_NUM_FIFOS; i++)
+	{
+		state->dptxfsiz[i] = (counter << 16) | 0x100;
+		counter += 0x100;
+	}
+
+	for(i = 0; i < USB_NUM_ENDPOINTS; i++)
+	{
+		synopsys_usb_ep_state *in = &state->in_eps[i];
+		in->control = 0;
+		in->dma_address = 0;
+		in->fifo = 0;
+		in->tx_size = 0;
+
+		synopsys_usb_ep_state *out = &state->out_eps[i];
+		out->control = 0;
+		out->dma_address = 0;
+		out->fifo = 0;
+		out->tx_size = 0;
+	}
+
+	synopsys_usb_update_irq(state);
+}
+
+static void s5l8900_usb_otg_init1(Object *obj)
+{
+	DeviceState *dev = DEVICE(obj);
+    synopsys_usb_state *s = S5L8900USBOTG(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &usb_otg_ops, s, "usb_otg", 0x1000);
+    sysbus_init_mmio(sbd, &s->iomem);
+    sysbus_init_irq(sbd, &s->irq);
+}
+
+// Helper for adding to a machine
+DeviceState *ipod_touch_init_usb_otg(qemu_irq _irq, uint32_t _hwcfg[4])
+{
+	DeviceState *dev = qdev_new(TYPE_S5L8900USBOTG);
+	synopsys_usb_state *state = S5L8900USBOTG(dev);
+
+	state->ghwcfg1 = _hwcfg[0];
+	state->ghwcfg2 = _hwcfg[1];
+	state->ghwcfg3 = _hwcfg[2];
+	state->ghwcfg4 = _hwcfg[3];
+
+	SysBusDevice *sdev = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(sdev, 0, _irq);
+
+    return dev;
+}
+
+static void s5l8900_usb_otg_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    dc->reset = s5l8900_usb_otg_reset;
+}
+
+static const TypeInfo s5l8900_usb_otg_info = {
+    .name          = TYPE_S5L8900USBOTG,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(synopsys_usb_state),
+    .instance_init = s5l8900_usb_otg_init1,
+    .class_init    = s5l8900_usb_otg_class_init,
+};
+
+static void s5l8900_usb_otg_register_types(void)
+{
+    type_register_static(&s5l8900_usb_otg_info);
+}
+
+type_init(s5l8900_usb_otg_register_types)

hw/arm/meson.build

@@ -58,5 +58,6 @@ arm_ss.add(when: 'CONFIG_FSL_IMX7', if_true: files('fsl-imx7.c', 'mcimx7d-sabre.
 arm_ss.add(when: 'CONFIG_ARM_SMMUV3', if_true: files('smmu-common.c', 'smmuv3.c'))
 arm_ss.add(when: 'CONFIG_FSL_IMX6UL', if_true: files('fsl-imx6ul.c', 'mcimx6ul-evk.c'))
 arm_ss.add(when: 'CONFIG_NRF51_SOC', if_true: files('nrf51_soc.c'))
+arm_ss.add(when: 'CONFIG_IPOD_TOUCH', if_true: files('ipod_touch.c', 'ipod_touch_spi.c', 'ipod_touch_sysic.c', 'ipod_touch_aes.c', 'ipod_touch_sha1.c', 'ipod_touch_usb_otg.c', 'ipod_touch_8900_engine.c', 'ipod_touch_nand.c', 'ipod_touch_nand_ecc.c', 'ipod_touch_pcf50633_pmu.c', 'ipod_touch_adm.c', 'ipod_touch_chipid.c', 'ipod_touch_tvout.c', 'ipod_touch_lcd_panel.c', 'ipod_touch_multitouch.c', 'ipod_touch_lcd.c', 'ipod_touch_lis302dl.c', 'ipod_touch_aes.c', 'ipod_touch_sha1.c', 'ipod_touch_timer.c', 'ipod_touch_clock.c', 'ipod_touch_gpio.c', 'ipod_touch_sdio.c'))
 
 hw_arch += {'arm': arm_ss}

hw/dma/pl080.c

@@ -83,6 +83,8 @@ static void pl080_update(PL080State *s)
     bool tclevel = (s->tc_int & s->tc_mask);
     bool errlevel = (s->err_int & s->err_mask);
 
+    //printf("(DMA) Setting irq: %d\n", errlevel || tclevel);
+
     qemu_set_irq(s->interr, errlevel);
     qemu_set_irq(s->inttc, tclevel);
     qemu_set_irq(s->irq, errlevel || tclevel);
@@ -142,12 +144,12 @@ again:
             case 0:
                 break;
             case 1:
-                if ((req & (1u << dest_id)) == 0)
-                    size = 0;
+                // if ((req & (1u << dest_id)) == 0)
+                //     size = 0;
                 break;
             case 2:
-                if ((req & (1u << src_id)) == 0)
-                    size = 0;
+                // if ((req & (1u << src_id)) == 0)
+                //     size = 0;
                 break;
             case 3:
                 if ((req & (1u << src_id)) == 0
@@ -155,8 +157,9 @@ again:
                     size = 0;
                 break;
             }
-            if (!size)
+            if (!size) {
                 continue;
+            }
 
             /* Transfer one element.  */
             /* ??? Should transfer multiple elements for a burst request.  */
@@ -179,6 +182,7 @@ again:
                     ch->dest += swidth;
             }
 
+            //printf("Transfer size: %d, destination: 0x%08x\n", size, ch->dest);
             size--;
             ch->ctrl = (ch->ctrl & 0xfffff000) | size;
             if (size == 0) {
@@ -204,6 +208,7 @@ again:
                     ch->conf &= ~PL080_CCONF_E;
                 }
                 if (ch->ctrl & PL080_CCTRL_I) {
+                    //printf("Setting interrupt status of channel %d\n", c);
                     s->tc_int |= 1 << c;
                 }
             }
@@ -212,6 +217,7 @@ again:
         if (--s->running)
             s->running = 1;
     }
+    pl080_update(s);
 }
 
 static uint64_t pl080_read(void *opaque, hwaddr offset,
@@ -289,24 +295,30 @@ static void pl080_write(void *opaque, hwaddr offset,
     PL080State *s = (PL080State *)opaque;
     int i;
 
+    //fprintf(stderr, "%s: writing 0x%08x to 0x%08x\n", __func__, value, offset);
+
     if (offset >= 0x100 && offset < 0x200) {
         i = (offset & 0xe0) >> 5;
         if (i >= s->nchannels)
             goto bad_offset;
         switch ((offset >> 2) & 7) {
         case 0: /* SrcAddr */
+            //printf("%s: setting source address of channel %d to 0x%08x\n", __func__, i, value);
             s->chan[i].src = value;
             break;
         case 1: /* DestAddr */
+            //printf("%s: setting destination address of channel %d to 0x%08x\n", __func__, i, value);
             s->chan[i].dest = value;
             break;
         case 2: /* LLI */
             s->chan[i].lli = value;
             break;
         case 3: /* Control */
+            //printf("%s: setting control of channel %d to 0x%08x (transfer size: %d)\n", __func__, i, value, value & 0xfff);
             s->chan[i].ctrl = value;
             break;
         case 4: /* Configuration */
+            //printf("%s: setting configuration of channel %d to 0x%08x\n", __func__, i, value);
             s->chan[i].conf = value;
             pl080_run(s);
             break;

hw/i2c/ipod_touch_i2c.c

@@ -0,0 +1,237 @@
+/*
+ *  IPod Touch I2C Bus Serial Interface Emulation
+ *
+ *  Copyright (C) 2012 Samsung Electronics Co Ltd.
+ *    Maksim Kozlov, <m.kozlov@samsung.com>
+ *    Igor Mitsyanko, <i.mitsyanko@samsung.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "hw/i2c/ipod_touch_i2c.h"
+
+static void s5l8900_i2c_update(IPodTouchI2CState *s)
+{
+    uint16_t level;
+    level = (s->status & S5L8900_IICSTAT_START) &&
+            (s->control & S5L8900_IICCON_IRQEN);
+
+    if (s->control & S5L8900_IICCON_IRQPEND)
+        level = 0;
+
+    qemu_irq_raise(s->irq);
+}
+
+static int s5l8900_i2c_receive(IPodTouchI2CState *s)
+{
+    int r;
+    r = i2c_recv(s->bus);
+    s5l8900_i2c_update(s);
+    return r;
+}
+
+static int s5l8900_i2c_send(IPodTouchI2CState *s, uint8_t data)
+{
+    if (!(s->status & S5L8900_IICSTAT_LASTBIT)) {
+        s->status |= S5L8900_IICCON_ACKEN;
+        s->data = data;
+        s->iicreg20 |= 0x100;
+        i2c_send(s->bus, s->data);
+    }
+    s5l8900_i2c_update(s);
+    return 1;
+}
+
+/* I2C read function */
+static uint64_t ipod_touch_i2c_read(void *opaque, hwaddr offset, unsigned size)
+{
+    IPodTouchI2CState *s = (IPodTouchI2CState *)opaque;
+
+    //fprintf(stderr, "s5l8900_i2c_read(): offset = 0x%08x\n", offset);
+
+    switch (offset) {
+    case I2CCON:
+        return s->control;
+    case I2CSTAT:
+        return s->status;
+    case I2CADD:
+        return s->address;
+    case I2CDS:
+        s->iicreg20 |= 0x100;
+        s->data = s5l8900_i2c_receive(s);
+        return s->data;
+    case I2CLC:
+        return s->line_ctrl;
+    case IICREG20:
+        {
+            // clear the flags
+            uint32_t tmp_reg20 = s->iicreg20;
+            s->iicreg20 &= ~0x100;
+            s->iicreg20 &= ~0x2000;
+            return tmp_reg20; 
+        }
+    default:
+        break;
+        //hw_error("s5l8900.i2c: bad read offset 0x" TARGET_FMT_plx "\n", offset);
+        //fprintf(stderr, "%s: bad read offset 0x%08x\n", __func__, offset);
+    }
+    return 0;
+}
+
+/* I2C write function */
+static void ipod_touch_i2c_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+    IPodTouchI2CState *s = (IPodTouchI2CState *)opaque;
+    int mode;
+
+    //fprintf(stderr, "s5l8900_i2c_write: offset = 0x%08x, val = 0x%08x\n", offset, value);
+
+    qemu_irq_lower(s->irq);
+
+    switch (offset) {
+    case I2CCON:
+        if(value & ~(S5L8900_IICCON_ACKEN)) {
+            s->iicreg20 |= 0x100;
+        }
+        if((value & 0x10) && (s->status == 0x90))  {
+            s->iicreg20 |= 0x2000;
+        }
+        s->control = value & 0xff;
+
+        qemu_irq_raise(s->irq);
+        break;
+
+    case I2CSTAT:
+        /* We have to make sure we don't miss an end transfer */
+        if((!s->active) && ((s->status >> 6) != ((value >> 6)))) {
+            s->status = value & 0xff;
+        /* If they toggle the tx bit then we have to force an end transfer before mode update */
+        } else if((s->active) && ((s->status >> 6) != ((value >> 6)))) {
+                    i2c_end_transfer(s->bus);
+                    s->active=0;
+                    s->status = value & 0xff;
+                    s->status |= S5L8900_IICSTAT_TXRXEN;
+                    break;
+        }
+        mode = (s->status >> 6) & 0x3;
+        if (value & S5L8900_IICSTAT_TXRXEN) {
+            /* IIC-bus data output enable/disable bit */
+            switch(mode) {
+            case SR_MODE:
+                s->data = s5l8900_i2c_receive(s);
+                break;
+            case ST_MODE:
+                s->data = s5l8900_i2c_receive(s);
+                break;
+            case MR_MODE:
+                if (value & S5L8900_IICSTAT_START) {
+                    /* START condition */
+                    s->status &= ~S5L8900_IICSTAT_LASTBIT;
+
+                    s->iicreg20 |= 0x100;
+                    s->active = 1;
+                    i2c_start_transfer(s->bus, s->data >> 1, 1);
+                } else {
+                    i2c_end_transfer(s->bus);
+                    s->active = 0;
+                    s->status |= S5L8900_IICSTAT_TXRXEN;
+                }
+                break;
+            case MT_MODE:
+                if (value & S5L8900_IICSTAT_START) {
+                    /* START condition */
+                    s->status &= ~S5L8900_IICSTAT_LASTBIT;
+                        
+                    s->iicreg20 |= 0x100;
+                    s->active = 1;
+                    i2c_start_transfer(s->bus, s->data >> 1, 0);
+                } else {
+                    i2c_end_transfer(s->bus);
+                    s->active = 0;
+                    s->status |= S5L8900_IICSTAT_TXRXEN;
+                }
+                break;
+            default:
+                break;
+            }
+        }
+        s5l8900_i2c_update(s);
+        break;
+
+    case I2CADD:
+        s->address = value & 0xff;
+        break;
+
+    case I2CDS:
+        s5l8900_i2c_send(s, value & 0xff);
+        break;
+
+    case I2CLC:
+        s->line_ctrl = value & 0xff;
+        break;
+
+    case IICREG20:
+        //s->iicreg20 &= ~value;
+        break;
+    default:
+        break;
+        //hw_error("s5l8900.i2c: bad write offset 0x" TARGET_FMT_plx "\n", offset);
+        //fprintf(stderr, "%s: bad write offset 0x%08x\n", __func__, offset);
+    }
+}
+
+static const MemoryRegionOps ipod_touch_i2c_ops = {
+    .read = ipod_touch_i2c_read,
+    .write = ipod_touch_i2c_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ipod_touch_i2c_init(Object *obj)
+{
+    DeviceState *dev = DEVICE(obj);
+    IPodTouchI2CState *s = IPOD_TOUCH_I2C(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    memory_region_init_io(&s->iomem, obj, &ipod_touch_i2c_ops, s, TYPE_IPOD_TOUCH_I2C, 0x100);
+    sysbus_init_mmio(sbd, &s->iomem);
+    sysbus_init_irq(sbd, &s->irq);
+    s->bus = i2c_init_bus(dev, "i2c");
+}
+
+static void ipod_touch_i2c_reset(DeviceState *d)
+{
+    
+}
+
+static void ipod_touch_i2c_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    dc->reset = ipod_touch_i2c_reset;
+}
+
+static const TypeInfo ipod_touch_i2c_type_info = {
+    .name = TYPE_IPOD_TOUCH_I2C,
+    .parent = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IPodTouchI2CState),
+    .instance_init = ipod_touch_i2c_init,
+    .class_init = ipod_touch_i2c_class_init,
+};
+
+static void ipod_touch_i2c_register_types(void)
+{
+    type_register_static(&ipod_touch_i2c_type_info);
+}
+
+type_init(ipod_touch_i2c_register_types)

hw/i2c/meson.build

@@ -16,4 +16,5 @@ i2c_ss.add(when: 'CONFIG_OMAP', if_true: files('omap_i2c.c'))
 i2c_ss.add(when: 'CONFIG_PPC4XX', if_true: files('ppc4xx_i2c.c'))
 i2c_ss.add(when: 'CONFIG_PCA954X', if_true: files('i2c_mux_pca954x.c'))
 i2c_ss.add(when: 'CONFIG_PMBUS', if_true: files('pmbus_device.c'))
+arm_ss.add(when: 'CONFIG_IPOD_TOUCH', if_true: files('ipod_touch_i2c.c'))
 softmmu_ss.add_all(when: 'CONFIG_I2C', if_true: i2c_ss)

hw/intc/Kconfig

@@ -8,6 +8,9 @@ config I8259
 config PL190
     bool
 
+config PL192
+    bool
+
 config IOAPIC
     bool
     select I8259

hw/intc/meson.build

@@ -19,6 +19,7 @@ softmmu_ss.add(when: 'CONFIG_IMX', if_true: files('imx_avic.c', 'imx_gpcv2.c'))
 softmmu_ss.add(when: 'CONFIG_IOAPIC', if_true: files('ioapic_common.c'))
 softmmu_ss.add(when: 'CONFIG_OPENPIC', if_true: files('openpic.c'))
 softmmu_ss.add(when: 'CONFIG_PL190', if_true: files('pl190.c'))
+softmmu_ss.add(when: 'CONFIG_PL192', if_true: files('pl192.c'))
 softmmu_ss.add(when: 'CONFIG_REALVIEW', if_true: files('realview_gic.c'))
 softmmu_ss.add(when: 'CONFIG_SLAVIO', if_true: files('slavio_intctl.c'))
 softmmu_ss.add(when: 'CONFIG_XILINX', if_true: files('xilinx_intc.c'))

hw/intc/pl192.c

@@ -0,0 +1,439 @@
+/*
+ * ARM PrimeCell PL192 Vector Interrupt Controller
+ *
+ * Copyright (c) 2009 Samsung Electronics.
+ * Contributed by Kirill Batuzov <batuzovk@ispras.ru>
+ */
+
+#include "qemu/osdep.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+#include "hw/hw.h"
+#include "qapi/error.h"
+#include "hw/intc/pl192.h"
+
+extern CPUState *getMainCpuEnv(void);
+
+
+static void pl192_update(PL192State *);
+
+static void pl192_raise(PL192State *s, int is_fiq)
+{
+    if (is_fiq) {
+        if (s->fiq) {
+            /* Raise parent FIQ */
+            qemu_irq_raise(s->fiq);
+        } else {
+            if (s->daisy) {
+                /* FIQ is directly propagated through daisy chain */
+                pl192_raise(s->daisy, is_fiq);
+            } else {
+                fprintf(stderr, "pl192i cannot raise FIQ. This usually means that "
+                         "initialization was done incorrectly.\n");
+            }
+        }
+    } else {
+        if (s->irq) {
+            /* Raise parent IRQ */
+            qemu_irq_raise(s->irq);
+        } else {
+            if (s->daisy) {
+                /* Setup daisy input of the next chained contorller and force
+                   it to update it's state */
+                s->daisy->daisy_vectaddr = s->address;
+                s->daisy->daisy_callback = s;
+                s->daisy->daisy_input = 1;
+                pl192_update(s->daisy);
+            } else {
+                // TODO Needs urgent fixing!
+                hw_error("pl192: cannot raise IRQ. This usually means that initialization was done incorrectly.\n");
+            }
+        }
+    }
+}
+
+static void pl192_lower(PL192State *s, int is_fiq)
+{
+    /* Lower parrent interrupt if there is one */
+    if (is_fiq && s->fiq) {
+        qemu_irq_lower(s->fiq);
+    }
+    if (!is_fiq && s->irq) {
+        qemu_irq_lower(s->irq);
+    }
+    /* Propagate to the previous controller in chain if needed */
+    if (s->daisy) {
+        if (!is_fiq) {
+            s->daisy->daisy_input = 0;
+            pl192_update(s->daisy);
+        } else {
+            pl192_lower(s->daisy, is_fiq);
+        }
+    }
+}
+
+/* Find interrupt of the highest priority */
+static uint32_t pl192_priority_sorter(PL192State *s)
+{
+    int i;
+    uint32_t prio_irq[PL192_PRIO_LEVELS];
+
+    for (i = 0; i < PL192_PRIO_LEVELS; i++) {
+        prio_irq[i] = PL192_NO_IRQ;
+    }
+    if (s->daisy_input) {
+        prio_irq[s->daisy_priority] = PL192_DAISY_IRQ;
+    }
+    for (i = PL192_INT_SOURCES - 1; i >= 0; i--) {
+        if (s->irq_status & (1 << i)) {
+            prio_irq[s->vect_priority[i]] = i;
+        }
+    }
+    for (i = 0; i < PL192_PRIO_LEVELS; i++) {
+        if ((s->sw_priority_mask & (1 << i)) &&
+            prio_irq[i] <= PL192_DAISY_IRQ) {
+            return prio_irq[i];
+        }
+    }
+    return PL192_NO_IRQ;
+}
+
+static void pl192_update(PL192State *s)
+{
+    /* TODO: does SOFTINT affects IRQ_STATUS??? */
+    s->irq_status = (s->rawintr | s->softint) & s->intenable & ~s->intselect;
+    s->fiq_status = (s->rawintr | s->softint) & s->intenable & s->intselect;
+    if (s->fiq_status) {
+        pl192_raise(s, 1);
+    } else {
+        pl192_lower(s, 1);
+    }
+    if (s->irq_status || s->daisy_input) {
+        s->current_highest = pl192_priority_sorter(s);
+        if (s->current_highest < PL192_INT_SOURCES) {
+            s->address = s->vect_addr[s->current_highest];
+        } else {
+            s->address = s->daisy_vectaddr;
+        }
+        if (s->current_highest != s->current) {
+            if (s->current_highest < PL192_INT_SOURCES) {
+                if (s->vect_priority[s->current_highest] >= s->priority) {
+                    return ;
+                }
+            }
+            if (s->current_highest == PL192_DAISY_IRQ) {
+                if (s->daisy_priority >= s->priority) {
+                    return ;
+                }
+            }
+            if (s->current_highest <= PL192_DAISY_IRQ) {
+                pl192_raise(s, 0);
+            } else {
+                pl192_lower(s, 0);
+            }
+        }
+    } else {
+        s->current_highest = PL192_NO_IRQ;
+        pl192_lower(s, 0);
+    }
+}
+
+/* Set priority level when an interrupt have been acknoledged by CPU.
+   Also save interrupt id and priority to stack so it can be restored
+   lately. */
+static inline void pl192_mask_priority(PL192State *s)
+{
+    if (s->stack_i >= PL192_INT_SOURCES) {
+        hw_error("pl192: internal error (trying to mask when there are no more sources)\n");
+    }
+    s->stack_i++;
+    if (s->current == PL192_DAISY_IRQ) {
+        s->priority = s->daisy_priority;
+    } else {
+        s->priority = s->vect_priority[s->current];
+    }
+    s->priority_stack[s->stack_i] = s->priority;
+    s->irq_stack[s->stack_i] = s->current;
+}
+
+/* Set priority level when interrupt have been successfully processed by CPU.
+   Also restore previous interrupt id and priority level. */
+static inline void pl192_unmask_priority(PL192State *s)
+{
+    if (s->stack_i < 1) {
+        return; // simply ignore this event
+        //hw_error("pl192: internal error (mask stack insufficient)\n");
+    }
+    s->stack_i--;
+    s->priority = s->priority_stack[s->stack_i];
+    s->current = s->irq_stack[s->stack_i];
+}
+
+/* IRQ was acknoledged by CPU. Update controller state accordingly */
+static uint32_t pl192_irq_ack(PL192State *s)
+{
+    int is_daisy = (s->current_highest == PL192_DAISY_IRQ);
+    uint32_t res = s->address;
+
+    s->current = s->current_highest;
+    pl192_mask_priority(s);
+    if (is_daisy) {
+        pl192_mask_priority(s->daisy_callback);
+    }
+    pl192_update(s);
+    return res;
+}
+
+/* IRQ was processed by CPU. Update controller state accrodingly */
+static void pl192_irq_fin(PL192State *s)
+{
+    int is_daisy = (s->current == PL192_DAISY_IRQ);
+
+    pl192_unmask_priority(s);
+    if (is_daisy) {
+        pl192_unmask_priority(s->daisy_callback);
+    }
+    pl192_update(s);
+
+	/* hmm is this right?*/
+	/*
+    if (s->current == PL192_NO_IRQ && (s->current_highest >= PL192_INT_SOURCES)) {
+        pl192_lower(s, 0);
+    }
+	*/
+}
+
+static uint64_t pl192_read(void *opaque, hwaddr offset, unsigned size)
+{
+    PL192State *s = (PL192State *) opaque;
+
+    if (offset & 3) {
+        fprintf(stderr, "pl192: bad read offset (1) " TARGET_FMT_plx "\n", offset);
+        return 0;
+    }
+
+    if (offset >= 0xfe0 && offset < 0x1000) {
+        unsigned char pl192_id[] = { 0x92, 0x11, 0x04, 0x00, 0x0D, 0xF0, 0x05, 0xB1 };
+        return pl192_id[(offset - 0xfe0) >> 2];
+    }
+    if (offset >= 0x100 && offset < 0x180) {
+        return s->vect_addr[(offset - 0x100) >> 2];
+    }
+    if (offset >= 0x200 && offset < 0x280) {
+        return s->vect_priority[(offset - 0x200) >> 2];
+    }
+
+    switch (offset) {
+        case PL192_IRQSTATUS:
+			//fprintf(stderr, "%s: irqstatus 0x%08x\n", __FUNCTION__, s->irq_status);
+            return s->irq_status;
+        case PL192_FIQSTATUS:
+            return s->fiq_status;
+        case PL192_RAWINTR:
+            return s->rawintr;
+        case PL192_INTSELECT:
+            return s->intselect;
+        case PL192_INTENABLE:
+            return s->intenable;
+        case PL192_SOFTINT:
+            return s->softint;
+        case PL192_PROTECTION:
+            return s->protection;
+        case PL192_SWPRIORITYMASK:
+            return s->sw_priority_mask;
+        case PL192_PRIORITYDAISY:
+            return s->daisy_priority;
+        case PL192_INTENCLEAR:
+			return 0;
+        case PL192_SOFTINTCLEAR:
+            fprintf(stderr, "pl192: attempt to read write-only register (offset = "
+                     TARGET_FMT_plx ")\n", offset);
+        case PL192_VECTADDR:
+            return pl192_irq_ack(s);
+        /* Workaround for kernel code using PL190 */
+        case PL190_ITCR:
+        case PL190_VECTADDR:
+        case PL190_DEFVECTADDR:
+            return 0;
+        default:
+            fprintf(stderr, "pl192: bad read offset (2) " TARGET_FMT_plx "\n", offset);
+            return 0;
+    }
+}
+
+static void pl192_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+    PL192State *s = (PL192State *) opaque;
+
+    if (offset & 3) {
+        hw_error("pl192: bad write offset (1) " TARGET_FMT_plx "\n", offset);
+    }
+
+    if (offset >= 0xfe0 && offset < 0x1000) {
+        hw_error("pl192: attempt to write to a read-only register (offset = "
+                 TARGET_FMT_plx ")\n", offset);
+    }
+    if (offset >= 0x100 && offset < 0x180) {
+        s->vect_addr[(offset - 0x100) >> 2] = value;
+        pl192_update(s);
+        return;
+    }
+    if (offset >= 0x200 && offset < 0x280) {
+        s->vect_priority[(offset - 0x200) >> 2] = value & 0xf;
+        pl192_update(s);
+        return;
+    }
+
+    switch (offset) {
+        case PL192_IRQSTATUS:
+            /* This is a readonly register, but linux tries to write to it
+               anyway.  Ignore the write.  */
+            return;
+        case PL192_FIQSTATUS:
+        case PL192_RAWINTR:
+            hw_error("pl192: attempt to write to a read-only register (offset = "
+                     TARGET_FMT_plx ")\n", offset);
+            break;
+        case PL192_INTSELECT:
+            s->intselect = value;
+            break;
+        case PL192_INTENABLE:
+            s->intenable |= value;
+            break;
+        case PL192_INTENCLEAR:
+            s->intenable &= ~value;
+            break;
+        case PL192_SOFTINT:
+            s->softint |= value;
+            break;
+        case PL192_SOFTINTCLEAR:
+            s->softint &= ~value;
+            break;
+        case PL192_PROTECTION:
+            /* TODO: implement protection */
+            s->protection = value & 1;
+            break;
+        case PL192_SWPRIORITYMASK:
+            s->sw_priority_mask = value & 0xffff;
+            break;
+        case PL192_PRIORITYDAISY:
+            s->daisy_priority = value & 0xf;
+            break;
+        case PL192_VECTADDR:
+            pl192_irq_fin(s);
+            return;
+        case PL190_ITCR:
+        case PL190_VECTADDR:
+        case PL190_DEFVECTADDR:
+            /* NB: This thing is not present here, but linux wants to write it */
+            /* Ignore written value */
+            return;
+        default:
+            fprintf(stderr, "pl192: bad write offset (2) " TARGET_FMT_plx "\n", offset);
+            return;
+    }
+
+    pl192_update(s);
+}
+
+static void pl192_irq_handler(void *opaque, int irq, int level)
+{
+    PL192State *s = (PL192State *) opaque;
+
+    if (level) {
+        s->rawintr |= 1 << irq;
+    } else {
+        s->rawintr &= ~(1 << irq);
+    }
+    pl192_update(opaque);
+}
+
+static void pl192_reset(DeviceState *d)
+{
+    PL192State *s = PL192(d);
+    int i;
+
+    for (i = 0; i < PL192_INT_SOURCES; i++) {
+        s->vect_priority[i] = 0xf;
+    }
+    s->sw_priority_mask = 0xffff;
+    s->daisy_priority = 0xf;
+    s->current = PL192_NO_IRQ;
+    s->current_highest = PL192_NO_IRQ;
+    s->stack_i = 0;
+    s->priority_stack[0] = 0x10;
+    s->irq_stack[0] = PL192_NO_IRQ;
+    s->priority = 0x10;
+}
+
+static const MemoryRegionOps pl192_ops = {
+    .read = pl192_read,
+    .write = pl192_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+DeviceState *pl192_manual_init(char *mem_name, ...)
+{
+    DeviceState *dev = qdev_new(TYPE_PL192);
+    PL192State *s = PL192(dev);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+    va_list va;
+    qemu_irq irq;
+
+    memory_region_init_io(&s->iomem, OBJECT(s), &pl192_ops, s, mem_name, 0x1000);
+    sysbus_init_mmio(sbd, &s->iomem);
+    qdev_init_gpio_in(dev, pl192_irq_handler, PL192_INT_SOURCES);
+    sysbus_init_irq(sbd, &s->irq);
+    sysbus_init_irq(sbd, &s->fiq);
+    sysbus_realize_and_unref(sbd, &error_fatal);
+
+    va_start(va, mem_name);
+    int n = 0;
+    while (1) {
+        irq = va_arg(va, qemu_irq);
+        if (!irq) {
+            break;
+        }
+        sysbus_connect_irq(sbd, n, irq);
+        n++;
+    }
+
+    return dev;
+}
+
+static void pl192_init(Object *obj)
+{
+    DeviceState *dev = DEVICE(obj);
+    PL192State *s = PL192(obj);
+    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
+
+    //memory_region_init_io(&s->iomem, obj, &pl192_ops, s, "pl192", 0x1000);
+    //sysbus_init_mmio(sbd, &s->iomem);
+    //qdev_init_gpio_in(dev, pl192_irq_handler, PL192_INT_SOURCES);
+    //sysbus_init_irq(sbd, s->irq);
+    //sysbus_init_irq(sbd, s->fiq);
+}
+
+static void pl192_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->reset = pl192_reset;
+    //dc->vmsd = &vmstate_pl192;
+    // TODO save VM
+}
+
+static const TypeInfo pl192_info = {
+    .name          = TYPE_PL192,
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(PL192State),
+    .instance_init = pl192_init,
+    .class_init    = pl192_class_init,
+};
+
+static void pl192_register_types(void)
+{
+    type_register_static(&pl192_info);
+}
+
+type_init(pl192_register_types)

include/crypto/aes.h

@@ -16,6 +16,7 @@ typedef struct aes_key_st AES_KEY;
 #define AES_set_decrypt_key QEMU_AES_set_decrypt_key
 #define AES_encrypt QEMU_AES_encrypt
 #define AES_decrypt QEMU_AES_decrypt
+#define AES_cbc_encrypt QEMU_AES_cbc_encrypt
 
 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
 	AES_KEY *key);
@@ -26,6 +27,9 @@ void AES_encrypt(const unsigned char *in, unsigned char *out,
 	const AES_KEY *key);
 void AES_decrypt(const unsigned char *in, unsigned char *out,
 	const AES_KEY *key);
+void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ 		     const unsigned long length, const AES_KEY *key,
+ 		     unsigned char *ivec, const int enc);
 
 extern const uint8_t AES_sbox[256];
 extern const uint8_t AES_isbox[256];

include/hw/arm/ipod_touch.h

@@ -0,0 +1,175 @@
+#ifndef HW_ARM_IPOD_TOUCH_H
+#define HW_ARM_IPOD_TOUCH_H
+
+#include "qemu-common.h"
+#include "exec/hwaddr.h"
+#include "ui/console.h"
+#include "hw/boards.h"
+#include "hw/arm/boot.h"
+#include "hw/intc/pl192.h"
+#include "hw/arm/ipod_touch_timer.h"
+#include "hw/arm/ipod_touch_clock.h"
+#include "hw/arm/ipod_touch_spi.h"
+#include "hw/arm/ipod_touch_aes.h"
+#include "hw/arm/ipod_touch_sha1.h"
+#include "hw/arm/ipod_touch_8900_engine.h"
+#include "hw/arm/ipod_touch_usb_otg.h"
+#include "hw/arm/ipod_touch_nand.h"
+#include "hw/arm/ipod_touch_nand_ecc.h"
+#include "hw/arm/ipod_touch_pcf50633_pmu.h"
+#include "hw/arm/ipod_touch_adm.h"
+#include "hw/arm/ipod_touch_sysic.h"
+#include "hw/arm/ipod_touch_chipid.h"
+#include "hw/arm/ipod_touch_tvout.h"
+#include "hw/arm/ipod_touch_lcd.h"
+#include "hw/arm/ipod_touch_gpio.h"
+#include "hw/arm/ipod_touch_sdio.h"
+#include "hw/i2c/ipod_touch_i2c.h"
+#include "cpu.h"
+
+#define TYPE_IPOD_TOUCH "iPod-Touch"
+
+#define TYPE_IPOD_TOUCH_MACHINE   MACHINE_TYPE_NAME(TYPE_IPOD_TOUCH)
+#define IPOD_TOUCH_MACHINE(obj) \
+    OBJECT_CHECK(IPodTouchMachineState, (obj), TYPE_IPOD_TOUCH_MACHINE)
+
+// VIC
+#define S5L8900_VIC_N	  2
+#define S5L8900_VIC_SIZE  32
+
+#define S5L8900_TIMER1_IRQ 0x7
+
+#define S5L8900_SPI0_IRQ 0x9
+#define S5L8900_SPI1_IRQ 0xA
+#define S5L8900_SPI2_IRQ 0xB
+
+#define S5L8900_LCD_IRQ 0xD
+
+#define S5L8900_DMAC0_IRQ 0x10
+#define S5L8900_DMAC1_IRQ 0x11
+
+#define S5L8900_I2C0_IRQ 0x15
+#define S5L8900_I2C1_IRQ 0x16
+
+#define S5L8900_ADM_IRQ 0x25
+
+#define S5L8900_NAND_ECC_IRQ 0x2B
+
+#define S5L8900_TVOUT_SDO_IRQ 0x1E
+#define S5L8900_TVOUT_MIXER_IRQ 0x26
+
+// GPIO interrupts
+#define S5L8900_GPIO_G0_IRQ 0x21
+#define S5L8900_GPIO_G1_IRQ 0x20
+#define S5L8900_GPIO_G2_IRQ 0x1F
+#define S5L8900_GPIO_G3_IRQ 0x03
+#define S5L8900_GPIO_G4_IRQ 0x02
+#define S5L8900_GPIO_G5_IRQ 0x01
+#define S5L8900_GPIO_G6_IRQ 0x00
+
+const int S5L8900_GPIO_IRQS[7] = { S5L8900_GPIO_G0_IRQ, S5L8900_GPIO_G1_IRQ, S5L8900_GPIO_G2_IRQ, S5L8900_GPIO_G3_IRQ, S5L8900_GPIO_G4_IRQ, S5L8900_GPIO_G5_IRQ, S5L8900_GPIO_G6_IRQ };
+
+// memory addresses
+#define IPOD_TOUCH_PHYS_BASE (0xc0000000)
+#define IBOOT_BASE 0x18000000
+#define LLB_BASE 0x22000000
+#define SRAM1_MEM_BASE 0x22020000
+#define CLOCK0_MEM_BASE 0x38100000
+#define CLOCK1_MEM_BASE 0x3C500000
+#define SYSIC_MEM_BASE 0x39A00000
+#define VIC0_MEM_BASE 0x38E00000
+#define VIC1_MEM_BASE 0x38E01000
+#define EDGEIC_MEM_BASE 0x38E02000
+#define IIS0_MEM_BASE 0x3D400000
+#define IIS1_MEM_BASE 0x3CD00000
+#define IIS2_MEM_BASE 0x3CA00000
+#define NOR_MEM_BASE 0x24000000
+#define TIMER1_MEM_BASE 0x3E200000
+#define USBOTG_MEM_BASE 0x38400000
+#define USBPHYS_MEM_BASE 0x3C400000
+#define GPIO_MEM_BASE 0x3E400000
+#define I2C0_MEM_BASE 0x3C600000
+#define I2C1_MEM_BASE 0x3C900000
+#define SPI0_MEM_BASE 0x3C300000
+#define SPI1_MEM_BASE 0x3CE00000
+#define SPI2_MEM_BASE 0x3D200000
+#define WATCHDOG_MEM_BASE 0x3E300000
+#define DISPLAY_MEM_BASE 0x38900000
+#define CHIPID_MEM_BASE 0x3e500000
+#define RAM_MEM_BASE 0x8000000
+#define SHA1_MEM_BASE 0x38000000
+#define AES_MEM_BASE 0x38C00000
+#define VROM_MEM_BASE 0x20000000
+#define NAND_MEM_BASE 0x38A00000
+#define NAND_ECC_MEM_BASE 0x38F00000
+#define DMAC0_MEM_BASE 0x38200000
+#define DMAC1_MEM_BASE 0x39900000
+#define UART0_MEM_BASE 0x3CC00000
+#define UART1_MEM_BASE 0x3CC04000
+#define UART2_MEM_BASE 0x3CC08000
+#define UART3_MEM_BASE 0x3CC0C000
+#define UART4_MEM_BASE 0x3CC10000
+#define ADM_MEM_BASE 0x38800000
+#define MBX_MEM_BASE 0x3B000000
+#define ENGINE_8900_MEM_BASE 0x3F000000
+#define KERNELCACHE_BASE 0x9000000
+#define SDIO_MEM_BASE 0x38d00000
+#define FRAMEBUFFER_MEM_BASE 0xfe00000
+#define TVOUT1_MEM_BASE 0x39100000
+#define TVOUT2_MEM_BASE 0x39200000
+#define TVOUT3_MEM_BASE 0x39300000
+#define MPVD_MEM_BASE 0x39600000
+#define H264BPD_MEM_BASE 0x39800000
+
+#define TVOUT_WORKAROUND_MEM_BASE 0x8a25960  // workaround for TV Out, to make sure that it can be correctly deallocated without reverse engineering the entire TVOut protocol
+
+typedef struct {
+    MachineClass parent;
+} IPodTouchMachineClass;
+
+typedef struct s5l8900_usb_phys_s
+{
+	uint32_t usb_ophypwr;
+	uint32_t usb_ophyclk;
+	uint32_t usb_orstcon;
+	uint32_t usb_ophytune;
+
+} s5l8900_usb_phys_s;
+
+typedef struct {
+	MachineState parent;
+	qemu_irq **irq;
+	PL192State *vic0;
+	PL192State *vic1;
+	synopsys_usb_state *usb_otg;
+	IPodTouchClockState *clock0;
+	IPodTouchClockState *clock1;
+	IPodTouchTimerState *timer1;
+	IPodTouchSYSICState *sysic;
+	S5L8900SPIState *spi2_state;
+	s5l8900_usb_phys_s *usb_phys;
+	S5L8900AESState *aes_state;
+	S5L8900SHA1State *sha1_state;
+	ITNandState *nand_state;
+	ITNandECCState *nand_ecc_state;
+	IPodTouchI2CState *i2c0_state;
+	IPodTouchI2CState *i2c1_state;
+	IPodTouchADMState *adm_state;
+	IPodTouchChipIDState *chipid_state;
+	IPodTouchTVOutState *tvout1_state;
+	IPodTouchTVOutState *tvout2_state;
+	IPodTouchTVOutState *tvout3_state;
+	IPodTouchLCDState *lcd_state;
+	IPodTouchGPIOState *gpio_state;
+	IPodTouchSDIOState *sdio_state;
+	Clock *sysclk;
+	uint32_t kpc_pa;
+	uint32_t kbootargs_pa;
+	uint32_t uart_mmio_pa;
+	ARMCPU *cpu;
+	char bootrom_path[1024];
+	char iboot_path[1024];
+	char nand_path[1024];
+} IPodTouchMachineState;
+
+#endif

include/hw/arm/ipod_touch_8900_engine.h

@@ -0,0 +1,112 @@
+#ifndef HW_ARM_IPOD_TOUCH_8900_ENGINE_H
+#define HW_ARM_IPOD_TOUCH_8900_ENGINE_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/hw.h"
+#include "exec/hwaddr.h"
+#include "exec/memory.h"
+#include <openssl/aes.h>
+
+typedef struct {
+	unsigned char magic[ 4 ];
+	unsigned char version[ 3 ];
+	unsigned char encrypted;
+	unsigned char unknownNull[4];
+	unsigned int sizeOfData;
+	unsigned int footerSignatureOffset;
+	unsigned int footerCertOffset;
+	unsigned int footerCertLen;
+	unsigned char key1[ 32 ];
+	unsigned char unknownVersion[ 4 ];
+	unsigned char key2[ 16 ];
+	unsigned char padding[ 1968 ];
+} header8900;
+
+static uint64_t s5l8900_8900_engine_read(void *opaque, hwaddr offset, unsigned size)
+{
+    return 0;
+}
+
+static void convert_hex_key_to_bin(char *str, uint8_t *bytes, int maxlen)
+{
+	int slen = strlen(str);
+	int bytelen = maxlen;
+	int rpos, wpos = 0;
+
+	for(rpos = 0; rpos < bytelen; rpos++) {
+		sscanf(&str[rpos*2], "%02hhx", &bytes[wpos++]);
+	}
+}
+
+static void s5l8900_8900_engine_write(void *opaque, hwaddr offset, uint64_t value, unsigned size)
+{
+	AES_KEY ctx, aes_decrypt_key;
+	uint8_t aes_key[16];
+
+	unsigned char ramdiskKey[33] = "188458A6D15034DFE386F23B61D43774";
+	unsigned char ramdiskiv[1];
+
+	unsigned char keybuf[16];
+	unsigned char iv[AES_BLOCK_SIZE];
+	int encrypted;
+	off_t data_begin, data_current, data_end, data_len;
+
+	if(offset != 0x0) { return; }
+
+	printf("Reading 8900 header with length %d at address 0x%08x\n", sizeof(header8900), value);
+
+    AddressSpace *nsas = (AddressSpace *)opaque;
+    header8900 *header = malloc(sizeof(header8900));
+    address_space_rw(nsas, value, MEMTXATTRS_UNSPECIFIED, (uint8_t *)header, sizeof(header8900), 0);
+
+	if( (header->magic[0] != 0x38) && // 8
+	    (header->magic[1] != 0x39) && // 9
+	    (header->magic[2] != 0x30) && // 0
+	    (header->magic[3] != 0x30))  // 0
+	{
+		printf("Bad 8900 magic\n");
+		return;
+	}
+
+	if(header->encrypted == 0x03) { encrypted = 1; }
+	else if( header->encrypted = 0x04 ) { encrypted = 0; }
+
+	data_begin = sizeof(header8900);
+	data_len = header->sizeOfData;
+
+	printf("Will decrypt 8900 image at address 0x%08x (len: %d bytes)\n", value, data_len);
+
+	// read the data into a buffer
+	uint8_t *inbuf = (uint8_t *)malloc(data_len);
+	address_space_rw(nsas, value + sizeof(header8900), MEMTXATTRS_UNSPECIFIED, (uint8_t *)inbuf, data_len, 0);
+	uint8_t *outbuf = (uint8_t *)malloc(data_len);
+	uint8_t *intbuf = (uint8_t *)malloc(AES_BLOCK_SIZE);
+
+	convert_hex_key_to_bin(ramdiskKey, aes_key, 16);
+	AES_set_decrypt_key(aes_key, 128, &aes_decrypt_key);
+	memset(iv, 0, AES_BLOCK_SIZE);
+
+	data_current = 0;
+	while(data_current < data_len)
+	{
+		AES_cbc_encrypt(inbuf + data_current, intbuf, AES_BLOCK_SIZE, &aes_decrypt_key, iv, 0);
+		memcpy(outbuf + data_current, intbuf, AES_BLOCK_SIZE);
+		data_current = data_current + AES_BLOCK_SIZE;
+	}
+
+	// write the decrypted output buffer
+	address_space_rw(nsas, value + sizeof(header8900), MEMTXATTRS_UNSPECIFIED, (uint8_t *)outbuf, data_len, 1);
+
+	free(header);
+	free(inbuf);
+	free(outbuf);
+}
+
+static const MemoryRegionOps engine_8900_ops = {
+    .read = s5l8900_8900_engine_read,
+    .write = s5l8900_8900_engine_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+#endif

include/hw/arm/ipod_touch_adm.h

@@ -0,0 +1,38 @@
+#ifndef IPOD_TOUCH_ADM_H
+#define IPOD_TOUCH_ADM_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+#include "hw/arm/ipod_touch_nand.h"
+
+#define TYPE_IPOD_TOUCH_ADM                "ipodtouch.adm"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchADMState, IPOD_TOUCH_ADM)
+
+#define ADM_CTRL 0x0
+#define ADM_CTRL2 0x4
+#define ADM_CODE_SEC_ADDR 0x50
+#define ADM_DATA1_SEC_ADDR 0x84
+#define ADM_DATA2_SEC_ADDR 0x88
+#define ADM_DATA3_SEC_ADDR 0x8C
+
+typedef struct IPodTouchADMState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion iomem;
+    qemu_irq irq;
+
+    uint32_t code_sec_addr;
+    uint32_t data1_sec_addr;
+    uint32_t data2_sec_addr;
+    uint32_t data3_sec_addr;
+
+    MemoryRegion *downstream;
+    AddressSpace downstream_as;
+
+    ITNandState *nand_state;
+} IPodTouchADMState;
+
+#endif

include/hw/arm/ipod_touch_aes.h

@@ -0,0 +1,70 @@
+#ifndef HW_ARM_IPOD_TOUCH_AES_H
+#define HW_ARM_IPOD_TOUCH_AES_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/platform-bus.h"
+#include "hw/hw.h"
+#include "exec/hwaddr.h"
+#include "exec/memory.h"
+#include <openssl/aes.h>
+
+#define TYPE_IPOD_TOUCH_AES                "ipodtouch.aes"
+OBJECT_DECLARE_SIMPLE_TYPE(S5L8900AESState, IPOD_TOUCH_AES)
+
+#define key_uid ((uint8_t[]){0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF})
+
+#define AES_128_CBC_BLOCK_SIZE 64
+#define AES_CONTROL 0x0
+#define AES_GO 0x4
+#define AES_UNKREG0 0x8
+#define AES_STATUS 0xC
+#define AES_UNKREG1 0x10
+#define AES_KEYLEN 0x14
+#define AES_INSIZE 0x18
+#define AES_INADDR 0x20
+#define AES_OUTSIZE 0x24
+#define AES_OUTADDR 0x28
+#define AES_AUXSIZE 0x2C
+#define AES_AUXADDR 0x30
+#define AES_SIZE3 0x34
+#define AES_KEY_REG 0x4C
+#define AES_TYPE 0x6C
+#define AES_IV_REG 0x74
+#define AES_KEYSIZE 0x20
+#define AES_IVSIZE 0x10
+
+typedef enum AESKeyType {
+    AESCustom = 0,
+    AESGID = 1,
+    AESUID = 2
+} AESKeyType;
+
+typedef enum AESKeyLen {
+    AES128 = 0,
+    AES192 = 1,
+    AES256 = 2
+} AESKeyLen;
+
+typedef struct S5L8900AESState
+{
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+    AES_KEY decryptKey;
+	uint32_t ivec[4];
+	uint32_t insize;
+	uint32_t inaddr;
+	uint32_t outsize;
+	uint32_t outaddr;
+	uint32_t auxaddr;
+	uint32_t keytype;
+	uint32_t status;
+	uint32_t ctrl;
+	uint32_t unkreg0;
+	uint32_t unkreg1;
+	uint32_t operation;
+	uint32_t keylen;
+	uint32_t custkey[8]; 
+} S5L8900AESState;
+
+#endif

include/hw/arm/ipod_touch_chipid.h

@@ -0,0 +1,18 @@
+#ifndef HW_ARM_IPOD_TOUCH_CHIPID_H
+#define HW_ARM_IPOD_TOUCH_CHIPID_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/sysbus.h"
+
+#define TYPE_IPOD_TOUCH_CHIPID "ipodtouch.chipid"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchChipIDState, IPOD_TOUCH_CHIPID)
+
+#define CHIP_REVISION 0x2
+
+typedef struct IPodTouchChipIDState {
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+} IPodTouchChipIDState;
+
+#endif

include/hw/arm/ipod_touch_clock.h

@@ -0,0 +1,39 @@
+#ifndef IPOD_TOUCH_CLOCK_H
+#define IPOD_TOUCH_CLOCK_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+#include "hw/clock.h"
+
+#define TYPE_IPOD_TOUCH_CLOCK                "ipodtouch.clock"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchClockState, IPOD_TOUCH_CLOCK)
+
+#define CLOCK1_CONFIG0 0x0
+#define CLOCK1_CONFIG1 0x4
+#define CLOCK1_CONFIG2 0x8
+#define CLOCK1_PLL0CON 0x20
+#define CLOCK1_PLL1CON 0x24
+#define CLOCK1_PLL2CON 0x28
+#define CLOCK1_PLL3CON 0x2C
+#define CLOCK1_PLLLOCK 0x40
+#define CLOCK1_PLLMODE 0x44
+
+typedef struct IPodTouchClockState
+{
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+    uint32_t    config0;
+    uint32_t    config1;
+    uint32_t    config2;
+    uint32_t    pll0con;
+    uint32_t    pll1con;
+    uint32_t    pll2con;
+    uint32_t    pll3con;
+    uint32_t    plllock;
+
+} IPodTouchClockState;
+
+#endif

include/hw/arm/ipod_touch_gpio.h

@@ -0,0 +1,28 @@
+#ifndef IPOD_TOUCH_GPIO_H
+#define IPOD_TOUCH_GPIO_H
+
+#include <math.h>
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+
+#define TYPE_IPOD_TOUCH_GPIO                "ipodtouch.gpio"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchGPIOState, IPOD_TOUCH_GPIO)
+
+#define GPIO_BUTTON_POWER 0x1605
+#define GPIO_BUTTON_HOME  0x1606
+
+#define GPIO_BUTTON_POWER_IRQ 0x2D
+#define GPIO_BUTTON_HOME_IRQ  0x2E
+
+#define NUM_GPIO_PINS 0x20
+
+typedef struct IPodTouchGPIOState
+{
+    SysBusDevice parent_obj;
+    MemoryRegion iomem;
+    uint32_t gpio_state;
+} IPodTouchGPIOState;
+
+#endif

include/hw/arm/ipod_touch_lcd.h

@@ -0,0 +1,57 @@
+#ifndef IPOD_TOUCH_LCD_H
+#define IPOD_TOUCH_LCD_H
+
+#include <math.h>
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+#include "hw/arm/ipod_touch_multitouch.h"
+
+#define TYPE_IPOD_TOUCH_LCD                "ipodtouch.lcd"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchLCDState, IPOD_TOUCH_LCD)
+
+#define LCD_REFRESH_RATE_FREQUENCY 10
+
+typedef struct IPodTouchLCDState
+{
+    SysBusDevice parent_obj;
+    MemoryRegion *sysmem;
+    MemoryRegion iomem;
+    QemuConsole *con;
+    IPodTouchMultitouchState *mt;
+    int invalidate;
+    MemoryRegionSection fbsection;
+    qemu_irq irq;
+    uint32_t lcd_con;
+    uint32_t lcd_con2;
+    uint32_t unknown1;
+    uint32_t unknown2;
+
+    uint32_t wnd_con;
+
+    uint32_t vid_con0;
+    uint32_t vid_con1;
+
+    uint32_t vidt_con0;
+    uint32_t vidt_con1;
+    uint32_t vidt_con2;
+    uint32_t vidt_con3;
+
+    uint32_t w1_hspan;
+    uint32_t w1_framebuffer_base;
+    uint32_t w1_display_resolution_info;
+    uint32_t w1_display_depth_info;
+    uint32_t w1_qlen;
+
+    uint32_t w2_hspan;
+    uint32_t w2_framebuffer_base;
+    uint32_t w2_display_resolution_info;
+    uint32_t w2_display_depth_info;
+    uint32_t w2_qlen;
+
+    QEMUTimer *refresh_timer;
+} IPodTouchLCDState;
+
+#endif

include/hw/arm/ipod_touch_lcd_panel.h

@@ -0,0 +1,17 @@
+#ifndef IPOD_TOUCH_LCD_PANEL_H
+#define IPOD_TOUCH_LCD_PANEL_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/ssi/ssi.h"
+
+#define TYPE_IPOD_TOUCH_LCD_PANEL                "ipodtouch.lcdpanel"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchLCDPanelState, IPOD_TOUCH_LCD_PANEL)
+
+typedef struct IPodTouchLCDPanelState {
+    SSIPeripheral ssidev;
+    uint32_t cur_cmd;
+} IPodTouchLCDPanelState;
+
+#endif

include/hw/arm/ipod_touch_lis302dl.h

@@ -0,0 +1,23 @@
+#ifndef HW_LIS302DL_H
+#define HW_LIS302DL_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/i2c/i2c.h"
+#include "hw/irq.h"
+
+#define TYPE_LIS302DL                 "lis302dl"
+OBJECT_DECLARE_SIMPLE_TYPE(LIS302DLState, LIS302DL)
+
+#define ACCEL_WHOAMI	0x0F
+
+#define ACCEL_WHOAMI_VALUE	0x3B
+
+typedef struct LIS302DLState {
+	I2CSlave i2c;
+	uint32_t cmd;
+} LIS302DLState;
+
+#endif

include/hw/arm/ipod_touch_multitouch.h

@@ -0,0 +1,161 @@
+#ifndef IPOD_TOUCH_MULTITOUCH_H
+#define IPOD_TOUCH_MULTITOUCH_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "qapi/error.h"
+#include "hw/hw.h"
+#include "hw/ssi/ssi.h"
+#include "hw/arm/ipod_touch_sysic.h"
+#include "hw/arm/ipod_touch_gpio.h"
+
+#define TYPE_IPOD_TOUCH_MULTITOUCH                "ipodtouch.multitouch"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchMultitouchState, IPOD_TOUCH_MULTITOUCH)
+
+#define MT_INTERFACE_VERSION     0x1
+#define MT_FAMILY_ID             81
+#define MT_ENDIANNESS            0x1
+#define MT_SENSOR_ROWS           15
+#define MT_SENSOR_COLUMNS        10
+#define MT_BCD_VERSION           51
+#define MT_SENSOR_REGION_DESC    0x0
+#define MT_SENSOR_REGION_PARAM   0x0
+#define MT_MAX_PACKET_SIZE       0x294 // 660
+#define MT_SENSOR_SURFACE_WIDTH  5000
+#define MT_SENSOR_SURFACE_HEIGHT 7500
+
+// internal surface width/height
+#define MT_INTERNAL_SENSOR_SURFACE_WIDTH  (9000 - MT_SENSOR_SURFACE_WIDTH) * 84 / 73
+#define MT_INTERNAL_SENSOR_SURFACE_HEIGHT (13850 - MT_SENSOR_SURFACE_HEIGHT) * 84 / 73
+
+// report IDs
+#define MT_REPORT_UNKNOWN1            0x70
+#define MT_REPORT_FAMILY_ID           0xD1
+#define MT_REPORT_SENSOR_INFO         0xD3
+#define MT_REPORT_SENSOR_REGION_DESC  0xD0
+#define MT_REPORT_SENSOR_REGION_PARAM 0xA1
+#define MT_REPORT_SENSOR_DIMENSIONS   0xD9
+
+// report sizes
+#define MT_REPORT_UNKNOWN1_SIZE            0x1
+#define MT_REPORT_FAMILY_ID_SIZE           0x1
+#define MT_REPORT_SENSOR_INFO_SIZE         0x5
+#define MT_REPORT_SENSOR_REGION_DESC_SIZE  0x1
+#define MT_REPORT_SENSOR_REGION_PARAM_SIZE 0x1
+#define MT_REPORT_SENSOR_DIMENSIONS_SIZE   0x8
+
+#define MT_CMD_HBPP_DATA_PACKET      0x30
+#define MT_CMD_GET_CMD_STATUS        0xE1
+#define MT_CMD_GET_INTERFACE_VERSION 0xE2
+#define MT_CMD_GET_REPORT_INFO       0xE3
+#define MT_CMD_SHORT_CONTROL_WRITE   0xE4
+#define MT_CMD_SHORT_CONTROL_READ    0xE6
+#define MT_CMD_FRAME_READ            0xEA
+
+// frame types
+#define MT_FRAME_TYPE_PATH 0x44
+
+// frame event types
+#define MT_EVENT_TOUCH_FULL_END 0x0
+#define MT_EVENT_TOUCH_START 0x3
+#define MT_EVENT_TOUCH_MOVED 0x4
+#define MT_EVENT_TOUCH_ENDED 0x7
+
+typedef struct MTFrameLengthPacket
+{
+    uint8_t cmd;
+    uint8_t length1;
+    uint8_t length2;
+    uint8_t unused[11];
+    uint8_t checksum1;
+    uint8_t checksum2;
+} __attribute__((__packed__)) MTFrameLengthPacket;
+
+typedef struct MTFrameHeader
+{
+    uint8_t type;
+    uint8_t frameNum;
+    uint8_t headerLen;
+    uint8_t unk_3;
+    uint32_t timestamp;
+    uint8_t unk_8;
+    uint8_t unk_9;
+    uint8_t unk_A;
+    uint8_t unk_B;
+    uint16_t unk_C;
+    uint16_t isImage;
+
+    uint8_t numFingers;
+    uint8_t fingerDataLen;
+    uint16_t unk_12;
+    uint16_t unk_14;
+    uint16_t unk_16;
+} __attribute__((__packed__)) MTFrameHeader;
+
+typedef struct MTFramePacket
+{
+    uint8_t cmd;
+    uint8_t unused1;
+    uint8_t length1;
+    uint8_t length2;
+    uint8_t checksum_pad;
+    MTFrameHeader header;
+} __attribute__((__packed__)) MTFramePacket;
+
+typedef struct FingerData
+{
+    uint8_t id;
+    uint8_t event;
+    uint8_t unk_2;
+    uint8_t unk_3;
+    int16_t x;
+    int16_t y;
+    int16_t velX;
+    int16_t velY;
+    uint16_t radius2;
+    uint16_t radius3;
+    uint16_t angle;
+    uint16_t radius1;
+    uint16_t contactDensity;
+    uint16_t unk_16;
+    uint16_t unk_18;
+    uint16_t unk_1A;
+} __attribute__((__packed__)) FingerData;
+
+typedef struct MTFrame {
+    MTFrameLengthPacket frame_length;
+    MTFramePacket frame_packet;
+    FingerData finger_data; // TODO we assume one finger for now
+    uint8_t checksum1;
+    uint8_t checksum2;
+} __attribute__((__packed__)) MTFrame;
+
+typedef struct IPodTouchMultitouchState {
+    SSIPeripheral ssidev;
+    uint8_t cur_cmd;
+    uint8_t *out_buffer;
+    uint8_t *in_buffer;
+    uint32_t buf_size;
+    uint32_t buf_ind;
+    uint32_t in_buffer_ind;
+    uint8_t hbpp_atn_ack_response[2];
+    MTFrame *next_frame;
+    uint32_t frame_counter;
+    bool touch_down;
+    QEMUTimer *touch_timer;
+    QEMUTimer *touch_end_timer;
+    IPodTouchSYSICState *sysic;
+    IPodTouchGPIOState *gpio_state;
+    float touch_x;
+    float touch_y;
+    float prev_touch_x;
+    float prev_touch_y;
+    uint64_t last_frame_timestamp;
+} IPodTouchMultitouchState;
+
+void ipod_touch_multitouch_on_touch(IPodTouchMultitouchState *s);
+void ipod_touch_multitouch_on_release(IPodTouchMultitouchState *s);
+
+#endif

include/hw/arm/ipod_touch_nand.h

@@ -0,0 +1,67 @@
+#ifndef HW_ARM_IPOD_TOUCH_NAND_H
+#define HW_ARM_IPOD_TOUCH_NAND_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/platform-bus.h"
+#include "hw/hw.h"
+#include "hw/irq.h"
+#include "qemu/lockable.h"
+
+#define NAND_NUM_BANKS 8
+#define NAND_BYTES_PER_PAGE 2048
+#define NAND_BYTES_PER_SPARE 64
+
+#define NAND_CHIP_ID 0xA514D3AD
+
+#define NAND_FMCTRL0  0x0
+#define NAND_FMCTRL1  0x4
+#define NAND_CMD      0x8
+#define NAND_FMADDR0  0xC
+#define NAND_FMADDR1  0x10
+#define NAND_FMANUM   0x2C
+#define NAND_FMDNUM   0x30
+#define NAND_FMCSTAT  0x48
+#define NAND_FMFIFO   0x80
+#define NAND_RSCTRL   0x100
+
+#define NAND_CMD_ID  0x90
+#define NAND_CMD_READ 0x30
+#define NAND_CMD_READSTATUS 0x70
+
+#define FILESYSTEM_START_VPN 206851
+#define FILESYSTEM_NUM_PAGES 132854
+
+#define TYPE_ITNAND "itnand"
+OBJECT_DECLARE_SIMPLE_TYPE(ITNandState, ITNAND)
+
+typedef struct ITNandState {
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+    uint32_t fmctrl0;
+    uint32_t fmctrl1;
+    uint32_t fmaddr0;
+    uint32_t fmaddr1;
+    uint32_t fmanum;
+    uint32_t fmdnum;
+	uint32_t rsctrl;
+	uint32_t cmd;
+	uint8_t reading_spare;
+    qemu_irq irq;
+
+    uint8_t *page_buffer;
+    uint8_t *page_spare_buffer;
+    uint32_t buffered_bank;
+    uint32_t buffered_page;
+    bool reading_multiple_pages;
+    uint32_t cur_bank_reading;
+    uint32_t banks_to_read[512]; // used when in multiple page read mode
+    uint32_t pages_to_read[512]; // used when in multiple page read mode
+    bool is_writing;
+    QemuMutex lock;
+    char *nand_path;
+} ITNandState;
+
+void nand_set_buffered_page(ITNandState *s, uint32_t page);
+
+#endif

include/hw/arm/ipod_touch_nand_ecc.h

@@ -0,0 +1,30 @@
+#ifndef HW_ARM_IPOD_TOUCH_NAND_ECC_H
+#define HW_ARM_IPOD_TOUCH_NAND_ECC_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/platform-bus.h"
+#include "hw/hw.h"
+#include "hw/irq.h"
+
+#define NANDECC_DATA 0x4
+#define NANDECC_ECC 0x8
+#define NANDECC_START 0xC
+#define NANDECC_STATUS 0x10
+#define NANDECC_SETUP 0x14
+#define NANDECC_CLEARINT 0x40
+
+#define TYPE_ITNANDECC "itnand_ecc"
+OBJECT_DECLARE_SIMPLE_TYPE(ITNandECCState, ITNANDECC)
+
+typedef struct ITNandECCState {
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+    uint32_t data_addr;
+    uint32_t ecc_addr;
+    uint32_t status;
+    uint32_t setup;
+    qemu_irq irq;
+} ITNandECCState;
+
+#endif

include/hw/arm/ipod_touch_pcf50633_pmu.h

@@ -0,0 +1,32 @@
+#ifndef HW_PCF50633_PMU_H
+#define HW_PCF50633_PMU_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/i2c/i2c.h"
+#include "hw/irq.h"
+#include "time.h"
+
+#define TYPE_PCF50633                 "pcf50633"
+OBJECT_DECLARE_SIMPLE_TYPE(Pcf50633State, PCF50633)
+
+#define PMU_MBCS1 0x4B
+#define PMU_ADCC1 0x57
+
+// RTC registers
+#define PMU_RTCSC 0x59
+#define PMU_RTCMN 0x5A
+#define PMU_RTCHR 0x5B
+#define PMU_RTCWD 0x5C
+#define PMU_RTCDT 0x5D
+#define PMU_RTCMT 0x5E
+#define PMU_RTCYR 0x5F
+
+typedef struct Pcf50633State {
+	I2CSlave i2c;
+	uint32_t cmd;
+} Pcf50633State;
+
+#endif

include/hw/arm/ipod_touch_sdio.h

@@ -0,0 +1,37 @@
+#ifndef IPOD_TOUCH_SDIO_H
+#define IPOD_TOUCH_SDIO_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+
+#define TYPE_IPOD_TOUCH_SDIO                "ipodtouch.sdio"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchSDIOState, IPOD_TOUCH_SDIO)
+
+#define SDIO_CMD        0x8
+#define SDIO_ARGU       0xC
+#define SDIO_DSTA       0x18
+#define SDIO_RESP0      0x20
+#define SDIO_RESP1      0x24
+#define SDIO_RESP2      0x28
+#define SDIO_RESP3      0x2C
+#define SDIO_CSR        0x34
+#define SDIO_IRQMASK    0x3C
+
+typedef struct IPodTouchSDIOState
+{
+    SysBusDevice parent_obj;
+    MemoryRegion iomem;
+
+    uint32_t cmd;
+    uint32_t arg;
+    uint32_t csr;
+    uint32_t resp0;
+    uint32_t resp1;
+    uint32_t resp2;
+    uint32_t resp3;
+    uint32_t irq_mask;
+} IPodTouchSDIOState;
+
+#endif

include/hw/arm/ipod_touch_sha1.h

@@ -0,0 +1,39 @@
+#ifndef HW_ARM_IPOD_TOUCH_SHA1_H
+#define HW_ARM_IPOD_TOUCH_SHA1_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "hw/platform-bus.h"
+#include "hw/hw.h"
+#include "exec/hwaddr.h"
+#include "exec/memory.h"
+#include <openssl/sha.h>
+
+#define TYPE_IPOD_TOUCH_SHA1                "ipodtouch.sha1"
+OBJECT_DECLARE_SIMPLE_TYPE(S5L8900SHA1State, IPOD_TOUCH_SHA1)
+
+#define SHA1_BUFFER_SIZE 1024 * 1024
+
+#define SHA_CONFIG         0x0
+#define SHA_RESET          0x4
+#define SHA_MEMORY_MODE    0x80 // whether we read from the memory
+#define SHA_MEMORY_START   0x84
+#define SHA_INSIZE         0x8c
+
+typedef struct S5L8900SHA1State {
+	SysBusDevice busdev;
+    MemoryRegion iomem;
+    uint32_t config;
+    uint32_t memory_start;
+    uint32_t memory_mode;
+    uint32_t insize;
+    uint8_t buffer[SHA1_BUFFER_SIZE];
+    uint32_t hw_buffer[0x10]; // hardware buffer
+    uint32_t buffer_ind;
+    uint8_t hashout[0x14];
+    bool hw_buffer_dirty;
+    bool hash_computed;
+    SHA_CTX ctx;
+} S5L8900SHA1State;
+
+#endif

include/hw/arm/ipod_touch_spi.h

@@ -0,0 +1,94 @@
+/*
+ * S5L8900 SPI Emulation
+ *
+ * This code is based on:
+ * - https://github.com/TrungNguyen1909/qemu-t8030/blob/master/hw/ssi/apple_spi.c (by TrungNguyen1909)
+ * - https://github.com/danzatt/QEMU-s5l89xx-port/blob/master/hw/s5l8900_spi.c (by cmw)
+ */
+
+#ifndef HW_ARM_IPOD_TOUCH_SPI_H
+#define HW_ARM_IPOD_TOUCH_SPI_H
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/fifo8.h"
+#include "qemu/log.h"
+#include "hw/platform-bus.h"
+#include "hw/hw.h"
+#include "hw/irq.h"
+#include "hw/ssi/ssi.h"
+#include "hw/arm/ipod_touch_lcd_panel.h"
+#include "hw/arm/ipod_touch_multitouch.h"
+
+#define TYPE_S5L8900SPI "s5l8900spi"
+OBJECT_DECLARE_SIMPLE_TYPE(S5L8900SPIState, S5L8900SPI)
+
+#define  R_CTRL                  0x000
+#define  R_CTRL_RUN              (1 << 0)
+#define  R_CTRL_TX_RESET         (1 << 2)
+#define  R_CTRL_RX_RESET         (1 << 3)
+
+#define  R_CFG                   0x004
+#define  R_CFG_AGD               (1 << 0)
+#define  R_CFG_CPHA              (1 << 1)
+#define  R_CFG_CPOL              (1 << 2)
+#define  R_CFG_MODE(_x)          (((_x) >> 5) & 0x3)
+#define  R_CFG_MODE_POLLED       0
+#define  R_CFG_MODE_IRQ          1
+#define  R_CFG_MODE_DMA          2
+#define  R_CFG_IE_RXREADY        (1 << 7)
+#define  R_CFG_IE_TXEMPTY        (1 << 8)
+#define  R_CFG_WORD_SIZE(_x)     (((_x) >> 13) & 0x3)
+#define  R_CFG_WORD_SIZE_8B      0
+#define  R_CFG_WORD_SIZE_16B     1
+#define  R_CFG_WORD_SIZE_32B     2
+#define  R_CFG_IE_COMPLETE       (1 << 21)
+
+#define  R_STATUS                0x008
+#define  R_STATUS_RXREADY	     (1 << 0)
+#define  R_STATUS_TXEMPTY        (1 << 1)
+#define  R_STATUS_RXOVERFLOW     (1 << 3)
+#define  R_STATUS_COMPLETE       (1 << 22)
+#define  R_STATUS_TXFIFO_SHIFT   (4)
+#define  R_STATUS_TXFIFO_MASK    (31 << R_STATUS_TXFIFO_SHIFT)
+#define  R_STATUS_RXFIFO_SHIFT   (8)
+#define  R_STATUS_RXFIFO_MASK    (31 << R_STATUS_RXFIFO_SHIFT)
+
+#define  R_PIN                   0x00c
+#define  R_PIN_CS                (1 << 1)
+
+#define R_TXDATA                0x010
+#define R_RXDATA                0x020
+#define R_CLKDIV                0x030
+#define R_CLKDIV_MAX            0x7ff
+#define R_RXCNT                 0x034
+#define R_WORD_DELAY            0x038
+#define R_TXCNT                 0x04c
+
+#define R_FIFO_DEPTH            50000
+
+#define REG(_s,_v)             ((_s)->regs[(_v)>>2])
+#define MMIO_SIZE              (0x4000)
+
+
+typedef struct S5L8900SPIState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion iomem;
+    SSIBus *spi;
+    IPodTouchMultitouchState *mt;
+
+    qemu_irq irq;
+    uint32_t last_irq;
+    qemu_irq cs_line;
+
+    Fifo8 rx_fifo;
+    Fifo8 tx_fifo;
+    uint32_t regs[MMIO_SIZE >> 2];
+    uint32_t mmio_size;
+    uint8_t base;
+} S5L8900SPIState;
+
+void set_spi_base(uint32_t base);
+
+#endif

include/hw/arm/ipod_touch_sysic.h

@@ -0,0 +1,42 @@
+#ifndef IPOD_TOUCH_SYSIC_H
+#define IPOD_TOUCH_SYSIC_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+
+#define TYPE_IPOD_TOUCH_SYSIC                "ipodtouch.sysic"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchSYSICState, IPOD_TOUCH_SYSIC)
+
+#define POWER_ID 0x44
+#define POWER_ONCTRL 0xC
+#define POWER_OFFCTRL 0x10
+#define POWER_SETSTATE 0x8
+#define POWER_STATE 0x14 // seems to be toggled by writing a 1 to the right device ID - cleared to 0 when the device has started.
+
+#define POWER_ID_ADM 0x10
+
+// the GPIO IC is part of the system controller
+#define GPIO_INTLEVEL 0x80
+#define GPIO_INTSTAT  0xA0
+#define GPIO_INTEN    0xC0
+#define GPIO_INTTYPE  0xE0
+
+#define GPIO_NUMINTGROUPS 7
+
+typedef struct IPodTouchSYSICState {
+    SysBusDevice parent_obj;
+    MemoryRegion iomem;
+    qemu_irq gpio_irqs[GPIO_NUMINTGROUPS];
+    uint32_t power_state;
+
+    // GPIO
+    uint32_t gpio_int_level[GPIO_NUMINTGROUPS];
+    uint32_t gpio_int_status[GPIO_NUMINTGROUPS];
+    uint32_t gpio_int_enabled[GPIO_NUMINTGROUPS];
+    uint32_t gpio_int_type[GPIO_NUMINTGROUPS];
+} IPodTouchSYSICState;
+
+#endif

include/hw/arm/ipod_touch_timer.h

@@ -0,0 +1,52 @@
+#ifndef IPOD_TOUCH_TIMER_H
+#define IPOD_TOUCH_TIMER_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+#include "hw/clock.h"
+
+#define TYPE_IPOD_TOUCH_TIMER                "ipodtouch.timer"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchTimerState, IPOD_TOUCH_TIMER)
+
+#define TIMER_IRQSTAT 0x10000
+#define TIMER_IRQLATCH 0xF8
+#define TIMER_TICKSHIGH 0x80
+#define TIMER_TICKSLOW 0x84
+#define TIMER_STATE_START 1
+#define TIMER_STATE_STOP 0
+#define TIMER_STATE_MANUALUPDATE 2
+#define NUM_TIMERS 7
+#define TIMER_4 0xA0
+#define TIMER_CONFIG 0 
+#define TIMER_STATE 0x4
+#define TIMER_COUNT_BUFFER 0x8
+#define TIMER_COUNT_BUFFER2 0xC
+
+typedef struct IPodTouchTimerState
+{
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+    uint32_t    ticks_high;
+    uint32_t    ticks_low;
+    uint32_t    status;
+    uint32_t    config;
+    uint32_t    bcount1;
+    uint32_t    bcount2;
+    uint32_t    prescaler;
+    uint32_t    irqstat;
+    QEMUTimer *st_timer;
+    Clock *sysclk;
+    uint32_t bcreload;
+    uint32_t freq_out;
+    uint64_t tick_interval;
+    uint64_t last_tick;
+    uint64_t next_planned_tick;
+    uint64_t base_time;
+    qemu_irq    irq;
+
+} IPodTouchTimerState;
+
+#endif

include/hw/arm/ipod_touch_tvout.h

@@ -0,0 +1,26 @@
+#ifndef IPOD_TOUCH_TVOUT_H
+#define IPOD_TOUCH_TVOUT_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/irq.h"
+
+#define SDO_IRQ 0x280
+
+#define TYPE_IPOD_TOUCH_TVOUT                "ipodtouch.tvout"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchTVOutState, IPOD_TOUCH_TVOUT)
+
+typedef struct IPodTouchTVOutState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion iomem;
+    qemu_irq irq;
+    uint32_t index;
+
+    //uint32_t sdo_irq_reg;
+    uint32_t data[4096];
+} IPodTouchTVOutState;
+
+#endif

include/hw/arm/ipod_touch_usb_otg.h

@@ -0,0 +1,267 @@
+#ifndef HW_ARM_IPOD_TOUCH_USB_OTG_H
+#define HW_ARM_IPOD_TOUCH_USB_OTG_H
+
+#include "hw/irq.h"
+#include "hw/usb.h"
+
+#define DEVICE_NAME		"usb_synopsys"
+
+#define TYPE_S5L8900USBOTG "s5l8900usbotg"
+OBJECT_DECLARE_SIMPLE_TYPE(synopsys_usb_state, S5L8900USBOTG)
+
+// Maximums supported by OIB
+#define USB_NUM_ENDPOINTS	8
+#define USB_NUM_FIFOS		16
+
+#define RX_FIFO_DEPTH				0x1C0
+#define TX_FIFO_DEPTH				0x1C0
+#define TX_FIFO_STARTADDR			0x200
+#define PERIODIC_TX_FIFO_STARTADDR	0x21B
+#define PERIODIC_TX_FIFO_DEPTH		0x100
+
+// Registers
+#define GOTGCTL		0x0
+#define GOTGINT		0x4
+#define GAHBCFG		0x8
+#define GUSBCFG		0xC
+#define GRSTCTL		0x10
+#define GINTSTS		0x14
+#define GINTMSK		0x18
+#define GRXSTSR		0x1C
+#define GRXSTSP		0x20
+#define GRXFSIZ		0x24
+#define GNPTXFSIZ	0x28
+#define GNPTXFSTS	0x2C
+#define GHWCFG1		0x44
+#define GHWCFG2		0x48
+#define GHWCFG3		0x4C
+#define GHWCFG4		0x50
+#define DIEPTXF(x)	(0x100 + (4*(x)))
+#define DCFG		0x800
+#define DCTL		0x804
+#define DSTS		0x808
+#define DIEPMSK		0x810
+#define DOEPMSK		0x814
+#define DAINTSTS	0x818
+#define DAINTMSK	0x81C
+#define DTKNQR1		0x820
+#define DTKNQR2		0x824
+#define DTKNQR3		0x830
+#define DTKNQR4		0x834
+#define USB_INREGS	0x900
+#define USB_OUTREGS	0xB00
+#define USB_EPREGS_SIZE 0x200
+
+#define USB_FIFO_START	0x1000
+#define USB_FIFO_SIZE	(0x100*(USB_NUM_FIFOS+1))
+#define USB_FIFO_END	(USB_FIFO_START+USB_FIFO_SIZE)
+
+#define PCGCCTL     0xE00
+
+#define PCGCCTL_ONOFF_MASK  3   // bits 0, 1
+#define PCGCCTL_ON          0
+#define PCGCCTL_OFF         1
+
+#define GOTGCTL_BSESSIONVALID (1 << 19)
+#define GOTGCTL_SESSIONREQUEST (1 << 1)
+
+#define GAHBCFG_DMAEN (1 << 5)
+#define GAHBCFG_BSTLEN_SINGLE (0 << 1)
+#define GAHBCFG_BSTLEN_INCR (1 << 1)
+#define GAHBCFG_BSTLEN_INCR4 (3 << 1)
+#define GAHBCFG_BSTLEN_INCR8 (5 << 1)
+#define GAHBCFG_BSTLEN_INCR16 (7 << 1)
+#define GAHBCFG_MASKINT 0x1
+
+#define GUSBCFG_TURNAROUND_MASK 0xF
+#define GUSBCFG_TURNAROUND_SHIFT 10
+#define GUSBCFG_HNPENABLE (1 << 9)
+#define GUSBCFG_SRPENABLE (1 << 8)
+#define GUSBCFG_PHYIF16BIT (1 << 3)
+#define USB_UNKNOWNREG1_START 0x1708
+
+#define GHWCFG2_TKNDEPTH_SHIFT	26
+#define GHWCFG2_TKNDEPTH_MASK	0xF
+#define GHWCFG2_NUM_ENDPOINTS_SHIFT	10
+#define GHWCFG2_NUM_ENDPOINTS_MASK	0xf
+
+#define GHWCFG4_DED_FIFO_EN			(1 << 25)
+
+#define GRSTCTL_AHBIDLE			(1 << 31)
+#define GRSTCTL_TXFFLUSH		(1 << 5)
+#define GRSTCTL_TXFFNUM_SHIFT	6
+#define GRSTCTL_TXFFNUM_MASK	0x1f
+#define GRSTCTL_CORESOFTRESET	0x1
+#define GRSTCTL_TKNFLUSH		3
+
+#define GINTMSK_NONE        0x0
+#define GINTMSK_OTG         (1 << 2)
+#define GINTMSK_SOF         (1 << 3)
+#define GINTMSK_GINNAKEFF   (1 << 6)
+#define GINTMSK_GOUTNAKEFF  (1 << 7)
+#define GINTMSK_SUSPEND     (1 << 11)
+#define GINTMSK_RESET       (1 << 12)
+#define GINTMSK_ENUMDONE    (1 << 13)
+#define GINTMSK_EPMIS       (1 << 17)
+#define GINTMSK_INEP        (1 << 18)
+#define GINTMSK_OEP         (1 << 19)
+#define GINTMSK_DISCONNECT  (1 << 29)
+#define GINTMSK_RESUME      (1 << 31)
+
+#define GOTGINT_SESENDDET	(1 << 2)
+
+#define FIFO_DEPTH_SHIFT 16
+
+#define GNPTXFSTS_GET_TXQSPCAVAIL(x) GET_BITS(x, 16, 8)
+
+#define GHWCFG4_DED_FIFO_EN         (1 << 25)
+
+#define DAINT_ALL                   0xFFFFFFFF
+#define DAINT_NONE                  0
+#define DAINT_OUT_SHIFT             16
+#define DAINT_IN_SHIFT              0
+
+#define DCTL_SFTDISCONNECT			0x2
+#define DCTL_PROGRAMDONE			(1 << 11)
+#define DCTL_CGOUTNAK				(1 << 10)
+#define DCTL_SGOUTNAK				(1 << 9)
+#define DCTL_CGNPINNAK				(1 << 8)
+#define DCTL_SGNPINNAK				(1 << 7)
+
+#define DSTS_GET_SPEED(x) GET_BITS(x, 1, 2)
+
+#define DCFG_NZSTSOUTHSHK           (1 << 2)
+#define DCFG_EPMSCNT                (1 << 18)
+#define DCFG_HISPEED                0x0
+#define DCFG_FULLSPEED              0x1
+#define DCFG_DEVICEADDR_UNSHIFTED_MASK 0x7F
+#define DCFG_DEVICEADDR_SHIFT 4
+#define DCFG_DEVICEADDRMSK (DCFG_DEVICEADDR_UNSHIFTED_MASK << DCFG_DEVICEADDR_SHIFT)
+#define DCFG_ACTIVE_EP_COUNT_MASK	0x1f
+#define DCFG_ACTIVE_EP_COUNT_SHIFT	18
+
+#define DOEPTSIZ0_SUPCNT_MASK 0x3
+#define DOEPTSIZ0_SUPCNT_SHIFT 29
+#define DOEPTSIZ0_PKTCNT_MASK 0x1
+#define DEPTSIZ0_XFERSIZ_MASK 0x7F
+#define DIEPTSIZ_MC_MASK 0x3
+#define DIEPTSIZ_MC_SHIFT 29
+#define DEPTSIZ_PKTCNT_MASK 0x3FF
+#define DEPTSIZ_PKTCNT_SHIFT 19
+#define DEPTSIZ_XFERSIZ_MASK 0x1FFFF
+
+// ENDPOINT_DIRECTIONS register has two bits per endpoint. 0, 1 for endpoint 0. 1, 2 for end point 1, etc.
+#define USB_EP_DIRECTION(ep) (USBDirection)(2-((GET_REG(USB + GHWCFG1) >> ((ep) * 2)) & 0x3))
+#define USB_ENDPOINT_DIRECTIONS_BIDIR 0
+#define USB_ENDPOINT_DIRECTIONS_IN 1
+#define USB_ENDPOINT_DIRECTIONS_OUT 2
+
+#define USB_START_DELAYUS 10000
+#define USB_SFTDISCONNECT_DELAYUS 4000
+#define USB_ONOFFSTART_DELAYUS 100
+#define USB_RESETWAITFINISH_DELAYUS 1000
+#define USB_SFTCONNECT_DELAYUS 250
+#define USB_PROGRAMDONE_DELAYUS 10
+
+#define USB_EPCON_ENABLE		(1 << 31)
+#define USB_EPCON_DISABLE		(1 << 30)
+#define USB_EPCON_SETD0PID		(1 << 28)
+#define USB_EPCON_SETNAK		(1 << 27)
+#define USB_EPCON_CLEARNAK		(1 << 26)
+#define USB_EPCON_TXFNUM_MASK	0xf
+#define USB_EPCON_TXFNUM_SHIFT	22
+#define USB_EPCON_STALL			(1 << 21)
+#define USB_EPCON_TYPE_MASK		0x3
+#define USB_EPCON_TYPE_SHIFT	18
+#define USB_EPCON_NAKSTS		(1 << 17)
+#define USB_EPCON_ACTIVE		(1 << 15)
+#define USB_EPCON_NEXTEP_MASK	0xF
+#define USB_EPCON_NEXTEP_SHIFT	11
+#define USB_EPCON_MPS_MASK		0x7FF
+
+#define USB_EPINT_INEPNakEff 0x40
+#define USB_EPINT_INTknEPMis 0x20
+#define USB_EPINT_INTknTXFEmp 0x10
+#define USB_EPINT_TimeOUT 0x8
+#define USB_EPINT_AHBErr 0x4
+#define USB_EPINT_EPDisbld 0x2
+#define USB_EPINT_XferCompl 0x1
+
+#define USB_EPINT_Back2BackSetup (1 << 6)
+#define USB_EPINT_OUTTknEPDis 0x10
+#define USB_EPINT_SetUp 0x8
+#define USB_EPINT_EpDisbld 0x1
+#define USB_EPINT_NONE 0
+#define USB_EPINT_ALL 0xFFFFFFFF
+
+#define USB_2_0 0x0200
+
+#define USB_HIGHSPEED 0
+#define USB_FULLSPEED 1
+#define USB_LOWSPEED 2
+#define USB_FULLSPEED_48_MHZ 3
+
+#define USB_CONTROLEP 0
+
+typedef struct _synopsys_usb_ep_state
+{
+	uint32_t control;
+	uint32_t tx_size;
+	uint32_t fifo;
+	uint32_t interrupt_status;
+
+	hwaddr dma_address;
+	hwaddr dma_buffer;
+
+} synopsys_usb_ep_state;
+
+typedef struct synopsys_usb_state
+{
+	SysBusDevice busdev;
+	MemoryRegion iomem;
+	qemu_irq irq;
+
+	char *server_host;
+	uint32_t server_port;
+	//tcp_usb_state_t tcp_state;
+
+	uint32_t pcgcctl;
+
+	uint32_t ghwcfg1;
+	uint32_t ghwcfg2;
+	uint32_t ghwcfg3;
+	uint32_t ghwcfg4;
+
+	uint32_t gahbcfg;
+	uint32_t gusbcfg;
+
+	uint32_t grxfsiz;
+	uint32_t gnptxfsiz;
+
+	uint32_t gotgctl;
+	uint32_t gotgint;
+	uint32_t grstctl;
+	uint32_t gintmsk;
+	uint32_t gintsts;
+
+	uint32_t dptxfsiz[USB_NUM_FIFOS];
+
+	uint32_t dctl;
+	uint32_t dcfg;
+	uint32_t dsts;
+
+	uint32_t daintmsk;
+	uint32_t daintsts;
+	uint32_t diepmsk;
+	uint32_t doepmsk;
+
+	synopsys_usb_ep_state in_eps[USB_NUM_ENDPOINTS];
+	synopsys_usb_ep_state out_eps[USB_NUM_ENDPOINTS];
+
+	uint8_t fifos[0x100 * (USB_NUM_FIFOS+1)];
+
+} synopsys_usb_state;
+
+DeviceState *ipod_touch_init_usb_otg(qemu_irq _irq, uint32_t _hwcfg[4]);
+
+#endif

include/hw/i2c/ipod_touch_i2c.h

@@ -0,0 +1,64 @@
+#ifndef IPOD_TOUCH_I2C_H
+#define IPOD_TOUCH_I2C_H
+
+#include "qemu/osdep.h"
+#include "qemu/module.h"
+#include "qemu/timer.h"
+#include "hw/sysbus.h"
+#include "hw/i2c/i2c.h"
+#include "hw/irq.h"
+
+#define TYPE_IPOD_TOUCH_I2C                  "ipodtouch.i2c"
+OBJECT_DECLARE_SIMPLE_TYPE(IPodTouchI2CState, IPOD_TOUCH_I2C)
+
+#define I2CCON        0x00      /* I2C Control register */
+#define I2CSTAT       0x04      /* I2C Status register */
+#define I2CADD        0x08      /* I2C Slave Address register */
+#define I2CDS         0x0c      /* I2C Data Shift register */
+#define I2CLC         0x10      /* I2C Line Control register */
+
+#define IICREG20	  0x20
+
+#define SR_MODE       0x0       /* Slave Receive Mode */
+#define ST_MODE       0x1       /* Slave Transmit Mode */
+#define MR_MODE       0x2       /* Master Receive Mode */
+#define MT_MODE       0x3       /* Master Transmit Mode */
+
+
+#define S5L8900_IICCON_ACKEN        (1<<7)
+#define S5L8900_IICCON_TXDIV_16     (0<<6)
+#define S5L8900_IICCON_TXDIV_512    (1<<6)
+#define S5L8900_IICCON_IRQEN        (1<<5)
+#define S5L8900_IICCON_IRQPEND      (1<<4)
+
+#define S5L8900_IICSTAT_START       (1<<5)
+#define S5L8900_IICSTAT_BUSBUSY     (1<<5)
+#define S5L8900_IICSTAT_TXRXEN      (1<<4)
+#define S5L8900_IICSTAT_ARBITR      (1<<3)
+#define S5L8900_IICSTAT_ASSLAVE     (1<<2)
+#define S5L8900_IICSTAT_ADDR0       (1<<1)
+#define S5L8900_IICSTAT_LASTBIT     (1<<0)
+
+#define S5L8900_I2C_REG_MEM_SIZE    0x1000
+
+typedef struct IPodTouchI2CState {
+    SysBusDevice parent_obj;
+
+    MemoryRegion iomem;
+    I2CBus *bus;
+    qemu_irq irq;
+
+    uint8_t control;
+    uint8_t status;
+    uint8_t address;
+    uint8_t datashift;
+    uint8_t line_ctrl;
+	uint32_t iicreg20;
+
+	uint8_t active;
+
+    uint8_t ibmr;
+    uint8_t data;
+} IPodTouchI2CState;
+
+#endif

include/hw/intc/pl192.h

@@ -0,0 +1,80 @@
+#ifndef PL192_H
+#define PL192_H
+
+#include "qemu/osdep.h"
+
+#define TYPE_PL192 "pl192"
+OBJECT_DECLARE_SIMPLE_TYPE(PL192State, PL192)
+
+
+#define PL192_INT_SOURCES   32
+#define PL192_DAISY_IRQ     PL192_INT_SOURCES
+#define PL192_NO_IRQ        PL192_INT_SOURCES+1
+#define PL192_PRIO_LEVELS   16
+
+#define PL192_IRQSTATUS         0x00
+#define PL192_FIQSTATUS         0x04
+#define PL192_RAWINTR           0x08
+#define PL192_INTSELECT         0x0C
+#define PL192_INTENABLE         0x10
+#define PL192_INTENCLEAR        0x14
+#define PL192_SOFTINT           0x18
+#define PL192_SOFTINTCLEAR      0x1C
+#define PL192_PROTECTION        0x20
+#define PL192_SWPRIORITYMASK    0x24
+#define PL192_PRIORITYDAISY     0x28
+#define PL192_VECTADDR          0xF00
+#define PL192_IOMEM_SIZE        0x1000
+
+#define PL190_ITCR              0x300
+#define PL190_VECTADDR          0x30
+#define PL190_DEFVECTADDR       0x34
+
+#define PL192_IOMEM_SIZE    0x1000
+
+
+struct PL192State {
+    SysBusDevice busdev;
+    MemoryRegion iomem;
+
+    /* Control registers */
+    uint32_t irq_status;
+    uint32_t fiq_status;
+    uint32_t rawintr;
+    uint32_t intselect;
+    uint32_t intenable;
+    uint32_t softint;
+    uint32_t protection;
+    uint32_t sw_priority_mask;
+    uint32_t vect_addr[PL192_INT_SOURCES];
+    uint32_t vect_priority[PL192_INT_SOURCES];
+    uint32_t address;
+
+    /* Currently processed interrupt and
+       highest priority interrupt */
+    uint32_t current;
+    uint32_t current_highest;
+
+    /* Priority masking logic */
+    int32_t stack_i;
+    uint32_t priority_stack[PL192_PRIO_LEVELS+1];
+    uint8_t irq_stack[PL192_PRIO_LEVELS+1];
+    uint32_t priority;
+
+    /* Daisy-chain interface */
+    uint32_t daisy_vectaddr;
+    uint32_t daisy_priority;
+    PL192State *daisy_callback;
+    uint8_t  daisy_input;
+
+    /* Parent interrupts */
+    qemu_irq irq;
+    qemu_irq fiq;
+
+    /* Next controller in chain */
+    PL192State *daisy;
+};
+
+DeviceState *pl192_manual_init(char *mem_name, ...);
+
+#endif

ui/sdl2.c

@@ -249,7 +249,7 @@ static void absolute_mouse_grab(struct sdl2_console *scon)
     SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h);
     if (mouse_x > 0 && mouse_x < scr_w - 1 &&
         mouse_y > 0 && mouse_y < scr_h - 1) {
-        sdl_grab_start(scon);
+        //sdl_grab_start(scon);
     }
 }
 
@@ -486,7 +486,7 @@ static void handle_mousemotion(SDL_Event *ev)
         if (!gui_grab &&
             (ev->motion.x > 0 && ev->motion.x < max_x &&
              ev->motion.y > 0 && ev->motion.y < max_y)) {
-            sdl_grab_start(scon);
+            //sdl_grab_start(scon);
         }
     }
     if (gui_grab || qemu_input_is_absolute() || absolute_enabled) {
@@ -509,7 +509,7 @@ static void handle_mousebutton(SDL_Event *ev)
     if (!gui_grab && !qemu_input_is_absolute()) {
         if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
             /* start grabbing all events */
-            sdl_grab_start(scon);
+            //sdl_grab_start(scon);
         }
     } else {
         if (ev->type == SDL_MOUSEBUTTONDOWN) {
@@ -911,7 +911,7 @@ static void sdl2_display_init(DisplayState *ds, DisplayOptions *o)
     sdl_cursor_normal = SDL_GetCursor();
 
     if (gui_fullscreen) {
-        sdl_grab_start(&sdl2_console[0]);
+        //sdl_grab_start(&sdl2_console[0]);
     }
 
     atexit(sdl_cleanup);