diff options
Diffstat (limited to 'hw/i2c')
| -rw-r--r-- | hw/i2c/aspeed_i2c.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index c61bafcb9a..74aa5e0a16 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -140,6 +140,7 @@ static uint64_t aspeed_i2c_bus_old_read(AspeedI2CBus *bus, hwaddr offset, static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, unsigned size) { + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); uint64_t value = bus->regs[offset / sizeof(*bus->regs)]; switch (offset) { @@ -170,6 +171,16 @@ static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, case A_I2CM_CMD: value = SHARED_FIELD_DP32(value, BUS_BUSY_STS, i2c_bus_busy(bus->bus)); break; + case A_I2CM_DMA_TX_ADDR_HI: + case A_I2CM_DMA_RX_ADDR_HI: + case A_I2CS_DMA_TX_ADDR_HI: + case A_I2CS_DMA_RX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + value = -1; + } + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -731,6 +742,42 @@ static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, qemu_log_mask(LOG_UNIMP, "%s: Slave mode DMA TX is not implemented\n", __func__); break; + + case A_I2CM_DMA_TX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + break; + } + bus->regs[R_I2CM_DMA_TX_ADDR_HI] = FIELD_EX32(value, + I2CM_DMA_TX_ADDR_HI, + ADDR_HI); + break; + case A_I2CM_DMA_RX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + break; + } + bus->regs[R_I2CM_DMA_RX_ADDR_HI] = FIELD_EX32(value, + I2CM_DMA_RX_ADDR_HI, + ADDR_HI); + break; + case A_I2CS_DMA_TX_ADDR_HI: + qemu_log_mask(LOG_UNIMP, + "%s: Slave mode DMA TX Addr high is not implemented\n", + __func__); + break; + case A_I2CS_DMA_RX_ADDR_HI: + if (!aic->has_dma64) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA 64 bits support\n", + __func__); + break; + } + bus->regs[R_I2CS_DMA_RX_ADDR_HI] = FIELD_EX32(value, + I2CS_DMA_RX_ADDR_HI, + ADDR_HI); + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -1554,6 +1601,7 @@ static void aspeed_2700_i2c_class_init(ObjectClass *klass, void *data) aic->bus_pool_base = aspeed_2500_i2c_bus_pool_base; aic->has_dma = true; aic->mem_size = 0x2000; + aic->has_dma64 = true; } static const TypeInfo aspeed_2700_i2c_info = { |