diff options
Diffstat (limited to 'hw/misc/aspeed_scu.c')
| -rw-r--r-- | hw/misc/aspeed_scu.c | 75 |
1 files changed, 53 insertions, 22 deletions
diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index 451e837..a0ab5ee 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -91,6 +91,7 @@ #define BMC_DEV_ID TO_REG(0x1A4) #define AST2600_PROT_KEY TO_REG(0x00) +#define AST2600_PROT_KEY2 TO_REG(0x10) #define AST2600_SILICON_REV TO_REG(0x04) #define AST2600_SILICON_REV2 TO_REG(0x14) #define AST2600_SYS_RST_CTRL TO_REG(0x40) @@ -157,6 +158,7 @@ #define AST2700_SCU_FREQ_CNTR TO_REG(0x3b0) #define AST2700_SCU_CPU_SCRATCH_0 TO_REG(0x780) #define AST2700_SCU_CPU_SCRATCH_1 TO_REG(0x784) +#define AST2700_SCU_VGA_SCRATCH_0 TO_REG(0x900) #define AST2700_SCUIO_CLK_STOP_CTL_1 TO_REG(0x240) #define AST2700_SCUIO_CLK_STOP_CLR_1 TO_REG(0x244) @@ -175,6 +177,7 @@ #define AST2700_SCUIO_UARTCLK_GEN TO_REG(0x330) #define AST2700_SCUIO_HUARTCLK_GEN TO_REG(0x334) #define AST2700_SCUIO_CLK_DUTY_MEAS_RST TO_REG(0x388) +#define AST2700_SCUIO_FREQ_CNT_CTL TO_REG(0x3A0) #define SCU_IO_REGION_SIZE 0x1000 @@ -426,6 +429,10 @@ static const MemoryRegionOps aspeed_ast2400_scu_ops = { .read = aspeed_scu_read, .write = aspeed_ast2400_scu_write, .endianness = DEVICE_LITTLE_ENDIAN, + .impl = { + .min_access_size = 4, + .max_access_size = 4, + }, .valid = { .min_access_size = 1, .max_access_size = 4, @@ -436,7 +443,9 @@ static const MemoryRegionOps aspeed_ast2500_scu_ops = { .read = aspeed_scu_read, .write = aspeed_ast2500_scu_write, .endianness = DEVICE_LITTLE_ENDIAN, - .valid.min_access_size = 4, + .impl.min_access_size = 4, + .impl.max_access_size = 4, + .valid.min_access_size = 1, .valid.max_access_size = 4, .valid.unaligned = false, }; @@ -559,6 +568,8 @@ static uint32_t aspeed_silicon_revs[] = { AST2700_A0_SILICON_REV, AST2720_A0_SILICON_REV, AST2750_A0_SILICON_REV, + AST2700_A1_SILICON_REV, + AST2750_A1_SILICON_REV, }; bool is_supported_silicon_rev(uint32_t silicon_rev) @@ -602,19 +613,18 @@ static const VMStateDescription vmstate_aspeed_scu = { } }; -static Property aspeed_scu_properties[] = { +static const Property aspeed_scu_properties[] = { DEFINE_PROP_UINT32("silicon-rev", AspeedSCUState, silicon_rev, 0), DEFINE_PROP_UINT32("hw-strap1", AspeedSCUState, hw_strap1, 0), DEFINE_PROP_UINT32("hw-strap2", AspeedSCUState, hw_strap2, 0), DEFINE_PROP_UINT32("hw-prot-key", AspeedSCUState, hw_prot_key, 0), - DEFINE_PROP_END_OF_LIST(), }; -static void aspeed_scu_class_init(ObjectClass *klass, void *data) +static void aspeed_scu_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = aspeed_scu_realize; - dc->reset = aspeed_scu_reset; + device_class_set_legacy_reset(dc, aspeed_scu_reset); dc->desc = "ASPEED System Control Unit"; dc->vmsd = &vmstate_aspeed_scu; device_class_set_props(dc, aspeed_scu_properties); @@ -629,7 +639,7 @@ static const TypeInfo aspeed_scu_info = { .abstract = true, }; -static void aspeed_2400_scu_class_init(ObjectClass *klass, void *data) +static void aspeed_2400_scu_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); @@ -651,7 +661,7 @@ static const TypeInfo aspeed_2400_scu_info = { .class_init = aspeed_2400_scu_class_init, }; -static void aspeed_2500_scu_class_init(ObjectClass *klass, void *data) +static void aspeed_2500_scu_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); @@ -714,6 +724,8 @@ static void aspeed_ast2600_scu_write(void *opaque, hwaddr offset, int reg = TO_REG(offset); /* Truncate here so bitwise operations below behave as expected */ uint32_t data = data64; + bool prot_data_state = data == ASPEED_SCU_PROT_KEY; + bool unlocked = s->regs[AST2600_PROT_KEY] && s->regs[AST2600_PROT_KEY2]; if (reg >= ASPEED_AST2600_SCU_NR_REGS) { qemu_log_mask(LOG_GUEST_ERROR, @@ -722,15 +734,24 @@ static void aspeed_ast2600_scu_write(void *opaque, hwaddr offset, return; } - if (reg > PROT_KEY && !s->regs[PROT_KEY]) { + if ((reg != AST2600_PROT_KEY && reg != AST2600_PROT_KEY2) && !unlocked) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SCU is locked!\n", __func__); + return; } trace_aspeed_scu_write(offset, size, data); switch (reg) { case AST2600_PROT_KEY: - s->regs[reg] = (data == ASPEED_SCU_PROT_KEY) ? 1 : 0; + /* + * Writing a value to SCU000 will modify both protection + * registers to each protection register individually. + */ + s->regs[AST2600_PROT_KEY] = prot_data_state; + s->regs[AST2600_PROT_KEY2] = prot_data_state; + return; + case AST2600_PROT_KEY2: + s->regs[AST2600_PROT_KEY2] = prot_data_state; return; case AST2600_HW_STRAP1: case AST2600_HW_STRAP2: @@ -777,7 +798,9 @@ static const MemoryRegionOps aspeed_ast2600_scu_ops = { .read = aspeed_ast2600_scu_read, .write = aspeed_ast2600_scu_write, .endianness = DEVICE_LITTLE_ENDIAN, - .valid.min_access_size = 4, + .impl.min_access_size = 4, + .impl.max_access_size = 4, + .valid.min_access_size = 1, .valid.max_access_size = 4, .valid.unaligned = false, }; @@ -825,13 +848,13 @@ static void aspeed_ast2600_scu_reset(DeviceState *dev) s->regs[PROT_KEY] = s->hw_prot_key; } -static void aspeed_2600_scu_class_init(ObjectClass *klass, void *data) +static void aspeed_2600_scu_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); dc->desc = "ASPEED 2600 System Control Unit"; - dc->reset = aspeed_ast2600_scu_reset; + device_class_set_legacy_reset(dc, aspeed_ast2600_scu_reset); asc->resets = ast2600_a3_resets; asc->calc_hpll = aspeed_2600_scu_calc_hpll; asc->get_apb = aspeed_2600_scu_get_apb_freq; @@ -904,14 +927,14 @@ static const MemoryRegionOps aspeed_ast2700_scu_ops = { .read = aspeed_ast2700_scu_read, .write = aspeed_ast2700_scu_write, .endianness = DEVICE_LITTLE_ENDIAN, + .impl.min_access_size = 4, + .impl.max_access_size = 4, .valid.min_access_size = 1, .valid.max_access_size = 8, .valid.unaligned = false, }; static const uint32_t ast2700_a0_resets[ASPEED_AST2700_SCU_NR_REGS] = { - [AST2700_SILICON_REV] = AST2700_A0_SILICON_REV, - [AST2700_HW_STRAP1] = 0x00000800, [AST2700_HW_STRAP1_CLR] = 0xFFF0FFF0, [AST2700_HW_STRAP1_LOCK] = 0x00000FFF, [AST2700_HW_STRAP1_SEC1] = 0x000000FF, @@ -931,6 +954,7 @@ static const uint32_t ast2700_a0_resets[ASPEED_AST2700_SCU_NR_REGS] = { [AST2700_SCU_FREQ_CNTR] = 0x000375eb, [AST2700_SCU_CPU_SCRATCH_0] = 0x00000000, [AST2700_SCU_CPU_SCRATCH_1] = 0x00000004, + [AST2700_SCU_VGA_SCRATCH_0] = 0x00000040, }; static void aspeed_ast2700_scu_reset(DeviceState *dev) @@ -939,15 +963,17 @@ static void aspeed_ast2700_scu_reset(DeviceState *dev) AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(dev); memcpy(s->regs, asc->resets, asc->nr_regs * 4); + s->regs[AST2700_SILICON_REV] = s->silicon_rev; + s->regs[AST2700_HW_STRAP1] = s->hw_strap1; } -static void aspeed_2700_scu_class_init(ObjectClass *klass, void *data) +static void aspeed_2700_scu_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); dc->desc = "ASPEED 2700 System Control Unit"; - dc->reset = aspeed_ast2700_scu_reset; + device_class_set_legacy_reset(dc, aspeed_ast2700_scu_reset); asc->resets = ast2700_a0_resets; asc->calc_hpll = aspeed_2600_scu_calc_hpll; asc->get_apb = aspeed_2700_scu_get_apb_freq; @@ -1009,6 +1035,10 @@ static void aspeed_ast2700_scuio_write(void *opaque, hwaddr offset, s->regs[reg - 1] ^= data; updated = true; break; + case AST2700_SCUIO_FREQ_CNT_CTL: + s->regs[reg] = deposit32(s->regs[reg], 6, 1, !!(data & BIT(1))); + updated = true; + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Unhandled write at offset 0x%" HWADDR_PRIx "\n", @@ -1025,14 +1055,14 @@ static const MemoryRegionOps aspeed_ast2700_scuio_ops = { .read = aspeed_ast2700_scuio_read, .write = aspeed_ast2700_scuio_write, .endianness = DEVICE_LITTLE_ENDIAN, + .impl.min_access_size = 4, + .impl.max_access_size = 4, .valid.min_access_size = 1, .valid.max_access_size = 8, .valid.unaligned = false, }; static const uint32_t ast2700_a0_resets_io[ASPEED_AST2700_SCU_NR_REGS] = { - [AST2700_SILICON_REV] = 0x06000003, - [AST2700_HW_STRAP1] = 0x00000504, [AST2700_HW_STRAP1_CLR] = 0xFFF0FFF0, [AST2700_HW_STRAP1_LOCK] = 0x00000FFF, [AST2700_HW_STRAP1_SEC1] = 0x000000FF, @@ -1053,15 +1083,16 @@ static const uint32_t ast2700_a0_resets_io[ASPEED_AST2700_SCU_NR_REGS] = { [AST2700_SCUIO_UARTCLK_GEN] = 0x00014506, [AST2700_SCUIO_HUARTCLK_GEN] = 0x000145c0, [AST2700_SCUIO_CLK_DUTY_MEAS_RST] = 0x0c9100d2, + [AST2700_SCUIO_FREQ_CNT_CTL] = 0x00000080, }; -static void aspeed_2700_scuio_class_init(ObjectClass *klass, void *data) +static void aspeed_2700_scuio_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); dc->desc = "ASPEED 2700 System Control Unit I/O"; - dc->reset = aspeed_ast2700_scu_reset; + device_class_set_legacy_reset(dc, aspeed_ast2700_scu_reset); asc->resets = ast2700_a0_resets_io; asc->calc_hpll = aspeed_2600_scu_calc_hpll; asc->get_apb = aspeed_2700_scuio_get_apb_freq; @@ -1113,13 +1144,13 @@ static void aspeed_ast1030_scu_reset(DeviceState *dev) s->regs[PROT_KEY] = s->hw_prot_key; } -static void aspeed_1030_scu_class_init(ObjectClass *klass, void *data) +static void aspeed_1030_scu_class_init(ObjectClass *klass, const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSCUClass *asc = ASPEED_SCU_CLASS(klass); dc->desc = "ASPEED 1030 System Control Unit"; - dc->reset = aspeed_ast1030_scu_reset; + device_class_set_legacy_reset(dc, aspeed_ast1030_scu_reset); asc->resets = ast1030_a1_resets; asc->calc_hpll = aspeed_2600_scu_calc_hpll; asc->get_apb = aspeed_1030_scu_get_apb_freq; |