diff options
| -rw-r--r-- | hw/block/nand.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/hw/block/nand.c b/hw/block/nand.c index 43401a0b1b..861e893eb2 100644 --- a/hw/block/nand.c +++ b/hw/block/nand.c @@ -82,6 +82,11 @@ struct NANDFlashState { uint32_t ioaddr_vmstate; }; +#define TYPE_NAND "nand" + +#define NAND(obj) \ + OBJECT_CHECK(NANDFlashState, (obj), TYPE_NAND) + static void mem_and(uint8_t *dest, const uint8_t *src, size_t n) { /* Like memcpy() but we logical-AND the data into the destination */ @@ -224,7 +229,7 @@ static const struct { static void nand_reset(DeviceState *dev) { - NANDFlashState *s = FROM_SYSBUS(NANDFlashState, SYS_BUS_DEVICE(dev)); + NANDFlashState *s = NAND(dev); s->cmd = NAND_CMD_READ0; s->addr = 0; s->addrlen = 0; @@ -279,7 +284,7 @@ static void nand_command(NANDFlashState *s) break; case NAND_CMD_RESET: - nand_reset(&s->busdev.qdev); + nand_reset(DEVICE(s)); break; case NAND_CMD_PAGEPROGRAM1: @@ -319,14 +324,14 @@ static void nand_command(NANDFlashState *s) static void nand_pre_save(void *opaque) { - NANDFlashState *s = opaque; + NANDFlashState *s = NAND(opaque); s->ioaddr_vmstate = s->ioaddr - s->io; } static int nand_post_load(void *opaque, int version_id) { - NANDFlashState *s = opaque; + NANDFlashState *s = NAND(opaque); if (s->ioaddr_vmstate > sizeof(s->io)) { return -EINVAL; @@ -365,7 +370,7 @@ static const VMStateDescription vmstate_nand = { static int nand_device_init(SysBusDevice *dev) { int pagesize; - NANDFlashState *s = FROM_SYSBUS(NANDFlashState, dev); + NANDFlashState *s = NAND(dev); s->buswidth = nand_flash_ids[s->chip_id].width >> 3; s->size = nand_flash_ids[s->chip_id].size << 20; @@ -436,7 +441,7 @@ static void nand_class_init(ObjectClass *klass, void *data) } static const TypeInfo nand_info = { - .name = "nand", + .name = TYPE_NAND, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(NANDFlashState), .class_init = nand_class_init, @@ -456,7 +461,8 @@ static void nand_register_types(void) void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale, uint8_t ce, uint8_t wp, uint8_t gnd) { - NANDFlashState *s = (NANDFlashState *) dev; + NANDFlashState *s = NAND(dev); + s->cle = cle; s->ale = ale; s->ce = ce; @@ -477,7 +483,8 @@ void nand_getpins(DeviceState *dev, int *rb) void nand_setio(DeviceState *dev, uint32_t value) { int i; - NANDFlashState *s = (NANDFlashState *) dev; + NANDFlashState *s = NAND(dev); + if (!s->ce && s->cle) { if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) { if (s->cmd == NAND_CMD_READ0 && value == NAND_CMD_LPREAD2) @@ -581,7 +588,7 @@ uint32_t nand_getio(DeviceState *dev) { int offset; uint32_t x = 0; - NANDFlashState *s = (NANDFlashState *) dev; + NANDFlashState *s = NAND(dev); /* Allow sequential reading */ if (!s->iolen && s->cmd == NAND_CMD_READ0) { |