diff options
Diffstat (limited to 'hw/realview.c')
| -rw-r--r-- | hw/realview.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/hw/realview.c b/hw/realview.c index 11ffb8a824..9a8e63c8f5 100644 --- a/hw/realview.c +++ b/hw/realview.c @@ -18,17 +18,20 @@ #include "boards.h" #include "bitbang_i2c.h" #include "blockdev.h" +#include "exec-memory.h" #define SMP_BOOT_ADDR 0xe0000000 typedef struct { SysBusDevice busdev; + MemoryRegion iomem; bitbang_i2c_interface *bitbang; int out; int in; } RealViewI2CState; -static uint32_t realview_i2c_read(void *opaque, target_phys_addr_t offset) +static uint64_t realview_i2c_read(void *opaque, target_phys_addr_t offset, + unsigned size) { RealViewI2CState *s = (RealViewI2CState *)opaque; @@ -41,7 +44,7 @@ static uint32_t realview_i2c_read(void *opaque, target_phys_addr_t offset) } static void realview_i2c_write(void *opaque, target_phys_addr_t offset, - uint32_t value) + uint64_t value, unsigned size) { RealViewI2CState *s = (RealViewI2CState *)opaque; @@ -59,30 +62,22 @@ static void realview_i2c_write(void *opaque, target_phys_addr_t offset, s->in = bitbang_i2c_set(s->bitbang, BITBANG_I2C_SDA, (s->out & 2) != 0); } -static CPUReadMemoryFunc * const realview_i2c_readfn[] = { - realview_i2c_read, - realview_i2c_read, - realview_i2c_read -}; - -static CPUWriteMemoryFunc * const realview_i2c_writefn[] = { - realview_i2c_write, - realview_i2c_write, - realview_i2c_write +static const MemoryRegionOps realview_i2c_ops = { + .read = realview_i2c_read, + .write = realview_i2c_write, + .endianness = DEVICE_NATIVE_ENDIAN, }; static int realview_i2c_init(SysBusDevice *dev) { RealViewI2CState *s = FROM_SYSBUS(RealViewI2CState, dev); i2c_bus *bus; - int iomemtype; bus = i2c_init_bus(&dev->qdev, "i2c"); s->bitbang = bitbang_i2c_init(bus); - iomemtype = cpu_register_io_memory(realview_i2c_readfn, - realview_i2c_writefn, s, - DEVICE_NATIVE_ENDIAN); - sysbus_init_mmio(dev, 0x1000, iomemtype); + memory_region_init_io(&s->iomem, &realview_i2c_ops, s, + "realview-i2c", 0x1000); + sysbus_init_mmio_region(dev, &s->iomem); return 0; } @@ -125,8 +120,12 @@ static void realview_init(ram_addr_t ram_size, enum realview_board_type board_type) { CPUState *env = NULL; - ram_addr_t ram_offset; - DeviceState *dev, *sysctl, *gpio2; + MemoryRegion *sysmem = get_system_memory(); + MemoryRegion *ram_lo = g_new(MemoryRegion, 1); + MemoryRegion *ram_hi = g_new(MemoryRegion, 1); + MemoryRegion *ram_alias = g_new(MemoryRegion, 1); + MemoryRegion *ram_hack = g_new(MemoryRegion, 1); + DeviceState *dev, *sysctl, *gpio2, *pl041; SysBusDevice *busdev; qemu_irq *irqp; qemu_irq pic[64]; @@ -184,21 +183,21 @@ static void realview_init(ram_addr_t ram_size, /* Core tile RAM. */ low_ram_size = ram_size - 0x20000000; ram_size = 0x20000000; - ram_offset = qemu_ram_alloc(NULL, "realview.lowmem", low_ram_size); - cpu_register_physical_memory(0x20000000, low_ram_size, - ram_offset | IO_MEM_RAM); + memory_region_init_ram(ram_lo, NULL, "realview.lowmem", low_ram_size); + memory_region_add_subregion(sysmem, 0x20000000, ram_lo); } - ram_offset = qemu_ram_alloc(NULL, "realview.highmem", ram_size); + memory_region_init_ram(ram_hi, NULL, "realview.highmem", ram_size); low_ram_size = ram_size; if (low_ram_size > 0x10000000) low_ram_size = 0x10000000; /* SDRAM at address zero. */ - cpu_register_physical_memory(0, low_ram_size, ram_offset | IO_MEM_RAM); + memory_region_init_alias(ram_alias, "realview.alias", + ram_hi, 0, low_ram_size); + memory_region_add_subregion(sysmem, 0, ram_alias); if (is_pb) { /* And again at a high address. */ - cpu_register_physical_memory(0x70000000, ram_size, - ram_offset | IO_MEM_RAM); + memory_region_add_subregion(sysmem, 0x70000000, ram_hi); } else { ram_size = low_ram_size; } @@ -233,6 +232,12 @@ static void realview_init(ram_addr_t ram_size, pic[n] = qdev_get_gpio_in(dev, n); } + pl041 = qdev_create(NULL, "pl041"); + qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); + qdev_init_nofail(pl041); + sysbus_mmio_map(sysbus_from_qdev(pl041), 0, 0x10004000); + sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[19]); + sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]); sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]); @@ -372,9 +377,8 @@ static void realview_init(ram_addr_t ram_size, startup code. I guess this works on real hardware because the BootROM happens to be in ROM/flash or in memory that isn't clobbered until after Linux boots the secondary CPUs. */ - ram_offset = qemu_ram_alloc(NULL, "realview.hack", 0x1000); - cpu_register_physical_memory(SMP_BOOT_ADDR, 0x1000, - ram_offset | IO_MEM_RAM); + memory_region_init_ram(ram_hack, NULL, "realview.hack", 0x1000); + memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack); realview_binfo.ram_size = ram_size; realview_binfo.kernel_filename = kernel_filename; |