diff options
Diffstat (limited to 'hw/misc/aspeed_xdma.c')
| -rw-r--r-- | hw/misc/aspeed_xdma.c | 124 |
1 files changed, 101 insertions, 23 deletions
diff --git a/hw/misc/aspeed_xdma.c b/hw/misc/aspeed_xdma.c index 533d237e3c..1c21577c98 100644 --- a/hw/misc/aspeed_xdma.c +++ b/hw/misc/aspeed_xdma.c @@ -30,6 +30,19 @@ #define XDMA_IRQ_ENG_STAT_US_COMP BIT(4) #define XDMA_IRQ_ENG_STAT_DS_COMP BIT(5) #define XDMA_IRQ_ENG_STAT_RESET 0xF8000000 + +#define XDMA_AST2600_BMC_CMDQ_ADDR 0x14 +#define XDMA_AST2600_BMC_CMDQ_ENDP 0x18 +#define XDMA_AST2600_BMC_CMDQ_WRP 0x1c +#define XDMA_AST2600_BMC_CMDQ_RDP 0x20 +#define XDMA_AST2600_IRQ_CTRL 0x38 +#define XDMA_AST2600_IRQ_CTRL_US_COMP BIT(16) +#define XDMA_AST2600_IRQ_CTRL_DS_COMP BIT(17) +#define XDMA_AST2600_IRQ_CTRL_W_MASK 0x017003FF +#define XDMA_AST2600_IRQ_STATUS 0x3c +#define XDMA_AST2600_IRQ_STATUS_US_COMP BIT(16) +#define XDMA_AST2600_IRQ_STATUS_DS_COMP BIT(17) + #define XDMA_MEM_SIZE 0x1000 #define TO_REG(addr) ((addr) / sizeof(uint32_t)) @@ -52,56 +65,48 @@ static void aspeed_xdma_write(void *opaque, hwaddr addr, uint64_t val, unsigned int idx; uint32_t val32 = (uint32_t)val; AspeedXDMAState *xdma = opaque; + AspeedXDMAClass *axc = ASPEED_XDMA_GET_CLASS(xdma); if (addr >= ASPEED_XDMA_REG_SIZE) { return; } - switch (addr) { - case XDMA_BMC_CMDQ_ENDP: + if (addr == axc->cmdq_endp) { xdma->regs[TO_REG(addr)] = val32 & XDMA_BMC_CMDQ_W_MASK; - break; - case XDMA_BMC_CMDQ_WRP: + } else if (addr == axc->cmdq_wrp) { idx = TO_REG(addr); xdma->regs[idx] = val32 & XDMA_BMC_CMDQ_W_MASK; - xdma->regs[TO_REG(XDMA_BMC_CMDQ_RDP)] = xdma->regs[idx]; + xdma->regs[TO_REG(axc->cmdq_rdp)] = xdma->regs[idx]; trace_aspeed_xdma_write(addr, val); if (xdma->bmc_cmdq_readp_set) { xdma->bmc_cmdq_readp_set = 0; } else { - xdma->regs[TO_REG(XDMA_IRQ_ENG_STAT)] |= - XDMA_IRQ_ENG_STAT_US_COMP | XDMA_IRQ_ENG_STAT_DS_COMP; + xdma->regs[TO_REG(axc->intr_status)] |= axc->intr_complete; - if (xdma->regs[TO_REG(XDMA_IRQ_ENG_CTRL)] & - (XDMA_IRQ_ENG_CTRL_US_COMP | XDMA_IRQ_ENG_CTRL_DS_COMP)) + if (xdma->regs[TO_REG(axc->intr_ctrl)] & axc->intr_complete) { qemu_irq_raise(xdma->irq); + } } - break; - case XDMA_BMC_CMDQ_RDP: + } else if (addr == axc->cmdq_rdp) { trace_aspeed_xdma_write(addr, val); if (val32 == XDMA_BMC_CMDQ_RDP_MAGIC) { xdma->bmc_cmdq_readp_set = 1; } - break; - case XDMA_IRQ_ENG_CTRL: - xdma->regs[TO_REG(addr)] = val32 & XDMA_IRQ_ENG_CTRL_W_MASK; - break; - case XDMA_IRQ_ENG_STAT: + } else if (addr == axc->intr_ctrl) { + xdma->regs[TO_REG(addr)] = val32 & axc->intr_ctrl_mask; + } else if (addr == axc->intr_status) { trace_aspeed_xdma_write(addr, val); idx = TO_REG(addr); - if (val32 & (XDMA_IRQ_ENG_STAT_US_COMP | XDMA_IRQ_ENG_STAT_DS_COMP)) { - xdma->regs[idx] &= - ~(XDMA_IRQ_ENG_STAT_US_COMP | XDMA_IRQ_ENG_STAT_DS_COMP); + if (val32 & axc->intr_complete) { + xdma->regs[idx] &= ~axc->intr_complete; qemu_irq_lower(xdma->irq); } - break; - default: + } else { xdma->regs[TO_REG(addr)] = val32; - break; } } @@ -127,10 +132,11 @@ static void aspeed_xdma_realize(DeviceState *dev, Error **errp) static void aspeed_xdma_reset(DeviceState *dev) { AspeedXDMAState *xdma = ASPEED_XDMA(dev); + AspeedXDMAClass *axc = ASPEED_XDMA_GET_CLASS(xdma); xdma->bmc_cmdq_readp_set = 0; memset(xdma->regs, 0, ASPEED_XDMA_REG_SIZE); - xdma->regs[TO_REG(XDMA_IRQ_ENG_STAT)] = XDMA_IRQ_ENG_STAT_RESET; + xdma->regs[TO_REG(axc->intr_status)] = XDMA_IRQ_ENG_STAT_RESET; qemu_irq_lower(xdma->irq); } @@ -144,6 +150,73 @@ static const VMStateDescription aspeed_xdma_vmstate = { }, }; +static void aspeed_2600_xdma_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedXDMAClass *axc = ASPEED_XDMA_CLASS(klass); + + dc->desc = "ASPEED 2600 XDMA Controller"; + + axc->cmdq_endp = XDMA_AST2600_BMC_CMDQ_ENDP; + axc->cmdq_wrp = XDMA_AST2600_BMC_CMDQ_WRP; + axc->cmdq_rdp = XDMA_AST2600_BMC_CMDQ_RDP; + axc->intr_ctrl = XDMA_AST2600_IRQ_CTRL; + axc->intr_ctrl_mask = XDMA_AST2600_IRQ_CTRL_W_MASK; + axc->intr_status = XDMA_AST2600_IRQ_STATUS; + axc->intr_complete = XDMA_AST2600_IRQ_STATUS_US_COMP | + XDMA_AST2600_IRQ_STATUS_DS_COMP; +} + +static const TypeInfo aspeed_2600_xdma_info = { + .name = TYPE_ASPEED_2600_XDMA, + .parent = TYPE_ASPEED_XDMA, + .class_init = aspeed_2600_xdma_class_init, +}; + +static void aspeed_2500_xdma_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedXDMAClass *axc = ASPEED_XDMA_CLASS(klass); + + dc->desc = "ASPEED 2500 XDMA Controller"; + + axc->cmdq_endp = XDMA_BMC_CMDQ_ENDP; + axc->cmdq_wrp = XDMA_BMC_CMDQ_WRP; + axc->cmdq_rdp = XDMA_BMC_CMDQ_RDP; + axc->intr_ctrl = XDMA_IRQ_ENG_CTRL; + axc->intr_ctrl_mask = XDMA_IRQ_ENG_CTRL_W_MASK; + axc->intr_status = XDMA_IRQ_ENG_STAT; + axc->intr_complete = XDMA_IRQ_ENG_STAT_US_COMP | XDMA_IRQ_ENG_STAT_DS_COMP; +}; + +static const TypeInfo aspeed_2500_xdma_info = { + .name = TYPE_ASPEED_2500_XDMA, + .parent = TYPE_ASPEED_XDMA, + .class_init = aspeed_2500_xdma_class_init, +}; + +static void aspeed_2400_xdma_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedXDMAClass *axc = ASPEED_XDMA_CLASS(klass); + + dc->desc = "ASPEED 2400 XDMA Controller"; + + axc->cmdq_endp = XDMA_BMC_CMDQ_ENDP; + axc->cmdq_wrp = XDMA_BMC_CMDQ_WRP; + axc->cmdq_rdp = XDMA_BMC_CMDQ_RDP; + axc->intr_ctrl = XDMA_IRQ_ENG_CTRL; + axc->intr_ctrl_mask = XDMA_IRQ_ENG_CTRL_W_MASK; + axc->intr_status = XDMA_IRQ_ENG_STAT; + axc->intr_complete = XDMA_IRQ_ENG_STAT_US_COMP | XDMA_IRQ_ENG_STAT_DS_COMP; +}; + +static const TypeInfo aspeed_2400_xdma_info = { + .name = TYPE_ASPEED_2400_XDMA, + .parent = TYPE_ASPEED_XDMA, + .class_init = aspeed_2400_xdma_class_init, +}; + static void aspeed_xdma_class_init(ObjectClass *classp, void *data) { DeviceClass *dc = DEVICE_CLASS(classp); @@ -158,10 +231,15 @@ static const TypeInfo aspeed_xdma_info = { .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(AspeedXDMAState), .class_init = aspeed_xdma_class_init, + .class_size = sizeof(AspeedXDMAClass), + .abstract = true, }; static void aspeed_xdma_register_type(void) { type_register_static(&aspeed_xdma_info); + type_register_static(&aspeed_2400_xdma_info); + type_register_static(&aspeed_2500_xdma_info); + type_register_static(&aspeed_2600_xdma_info); } type_init(aspeed_xdma_register_type); |