diff options
Diffstat (limited to 'hw/i2c/aspeed_i2c.c')
| -rw-r--r-- | hw/i2c/aspeed_i2c.c | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index b43afd2..b52a998 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -906,7 +906,7 @@ static const MemoryRegionOps aspeed_i2c_ctrl_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; -static uint64_t aspeed_i2c_pool_read(void *opaque, hwaddr offset, +static uint64_t aspeed_i2c_share_pool_read(void *opaque, hwaddr offset, unsigned size) { AspeedI2CState *s = opaque; @@ -914,26 +914,26 @@ static uint64_t aspeed_i2c_pool_read(void *opaque, hwaddr offset, int i; for (i = 0; i < size; i++) { - ret |= (uint64_t) s->pool[offset + i] << (8 * i); + ret |= (uint64_t) s->share_pool[offset + i] << (8 * i); } return ret; } -static void aspeed_i2c_pool_write(void *opaque, hwaddr offset, +static void aspeed_i2c_share_pool_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { AspeedI2CState *s = opaque; int i; for (i = 0; i < size; i++) { - s->pool[offset + i] = (value >> (8 * i)) & 0xFF; + s->share_pool[offset + i] = (value >> (8 * i)) & 0xFF; } } -static const MemoryRegionOps aspeed_i2c_pool_ops = { - .read = aspeed_i2c_pool_read, - .write = aspeed_i2c_pool_write, +static const MemoryRegionOps aspeed_i2c_share_pool_ops = { + .read = aspeed_i2c_share_pool_read, + .write = aspeed_i2c_share_pool_write, .endianness = DEVICE_LITTLE_ENDIAN, .valid = { .min_access_size = 1, @@ -953,14 +953,15 @@ static const VMStateDescription aspeed_i2c_bus_vmstate = { static const VMStateDescription aspeed_i2c_vmstate = { .name = TYPE_ASPEED_I2C, - .version_id = 2, - .minimum_version_id = 2, + .version_id = 3, + .minimum_version_id = 3, .fields = (const VMStateField[]) { VMSTATE_UINT32(intr_status, AspeedI2CState), VMSTATE_STRUCT_ARRAY(busses, AspeedI2CState, ASPEED_I2C_NR_BUSSES, 1, aspeed_i2c_bus_vmstate, AspeedI2CBus), - VMSTATE_UINT8_ARRAY(pool, AspeedI2CState, ASPEED_I2C_MAX_POOL_SIZE), + VMSTATE_UINT8_ARRAY(share_pool, AspeedI2CState, + ASPEED_I2C_SHARE_POOL_SIZE), VMSTATE_END_OF_LIST() } }; @@ -995,7 +996,7 @@ static void aspeed_i2c_instance_init(Object *obj) * 0x140 ... 0x17F: Device 5 * 0x180 ... 0x1BF: Device 6 * 0x1C0 ... 0x1FF: Device 7 - * 0x200 ... 0x2FF: Buffer Pool (unused in linux driver) + * 0x200 ... 0x2FF: Buffer Pool (AST2500 unused in linux driver) * 0x300 ... 0x33F: Device 8 * 0x340 ... 0x37F: Device 9 * 0x380 ... 0x3BF: Device 10 @@ -1003,7 +1004,7 @@ static void aspeed_i2c_instance_init(Object *obj) * 0x400 ... 0x43F: Device 12 * 0x440 ... 0x47F: Device 13 * 0x480 ... 0x4BF: Device 14 - * 0x800 ... 0xFFF: Buffer Pool (unused in linux driver) + * 0x800 ... 0xFFF: Buffer Pool (AST2400 unused in linux driver) */ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) { @@ -1014,7 +1015,7 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s, - "aspeed.i2c", 0x1000); + "aspeed.i2c", aic->mem_size); sysbus_init_mmio(sbd, &s->iomem); for (i = 0; i < aic->num_busses; i++) { @@ -1037,8 +1038,9 @@ static void aspeed_i2c_realize(DeviceState *dev, Error **errp) &s->busses[i].mr); } - memory_region_init_io(&s->pool_iomem, OBJECT(s), &aspeed_i2c_pool_ops, s, - "aspeed.i2c-pool", aic->pool_size); + memory_region_init_io(&s->pool_iomem, OBJECT(s), + &aspeed_i2c_share_pool_ops, s, + "aspeed.i2c-share-pool", aic->pool_size); memory_region_add_subregion(&s->iomem, aic->pool_base, &s->pool_iomem); if (aic->has_dma) { @@ -1266,8 +1268,9 @@ static qemu_irq aspeed_2400_i2c_bus_get_irq(AspeedI2CBus *bus) static uint8_t *aspeed_2400_i2c_bus_pool_base(AspeedI2CBus *bus) { uint8_t *pool_page = - &bus->controller->pool[ARRAY_FIELD_EX32(bus->regs, I2CD_FUN_CTRL, - POOL_PAGE_SEL) * 0x100]; + &bus->controller->share_pool[ARRAY_FIELD_EX32(bus->regs, + I2CD_FUN_CTRL, + POOL_PAGE_SEL) * 0x100]; return &pool_page[ARRAY_FIELD_EX32(bus->regs, I2CD_POOL_CTRL, OFFSET)]; } @@ -1286,6 +1289,7 @@ static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) aic->pool_size = 0x800; aic->pool_base = 0x800; aic->bus_pool_base = aspeed_2400_i2c_bus_pool_base; + aic->mem_size = 0x1000; } static const TypeInfo aspeed_2400_i2c_info = { @@ -1301,7 +1305,7 @@ static qemu_irq aspeed_2500_i2c_bus_get_irq(AspeedI2CBus *bus) static uint8_t *aspeed_2500_i2c_bus_pool_base(AspeedI2CBus *bus) { - return &bus->controller->pool[bus->id * 0x10]; + return &bus->controller->share_pool[bus->id * 0x10]; } static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) @@ -1320,6 +1324,7 @@ static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; aic->check_sram = true; aic->has_dma = true; + aic->mem_size = 0x1000; } static const TypeInfo aspeed_2500_i2c_info = { @@ -1335,7 +1340,7 @@ static qemu_irq aspeed_2600_i2c_bus_get_irq(AspeedI2CBus *bus) static uint8_t *aspeed_2600_i2c_bus_pool_base(AspeedI2CBus *bus) { - return &bus->controller->pool[bus->id * 0x20]; + return &bus->controller->share_pool[bus->id * 0x20]; } static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data) @@ -1353,6 +1358,7 @@ static void aspeed_2600_i2c_class_init(ObjectClass *klass, void *data) aic->pool_base = 0xC00; aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base; aic->has_dma = true; + aic->mem_size = 0x1000; } static const TypeInfo aspeed_2600_i2c_info = { @@ -1376,6 +1382,7 @@ static void aspeed_1030_i2c_class_init(ObjectClass *klass, void *data) aic->pool_base = 0xC00; aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base; aic->has_dma = true; + aic->mem_size = 0x10000; } static const TypeInfo aspeed_1030_i2c_info = { |