diff options
Diffstat (limited to 'hw/misc')
| -rw-r--r-- | hw/misc/aspeed_scu.c | 306 | ||||
| -rw-r--r-- | hw/misc/trace-events | 4 |
2 files changed, 309 insertions, 1 deletions
diff --git a/hw/misc/aspeed_scu.c b/hw/misc/aspeed_scu.c index 1ac04b6cb0..451e837272 100644 --- a/hw/misc/aspeed_scu.c +++ b/hw/misc/aspeed_scu.c @@ -134,6 +134,48 @@ #define AST2600_CLK TO_REG(0x40) +#define AST2700_SILICON_REV TO_REG(0x00) +#define AST2700_HW_STRAP1 TO_REG(0x10) +#define AST2700_HW_STRAP1_CLR TO_REG(0x14) +#define AST2700_HW_STRAP1_LOCK TO_REG(0x20) +#define AST2700_HW_STRAP1_SEC1 TO_REG(0x24) +#define AST2700_HW_STRAP1_SEC2 TO_REG(0x28) +#define AST2700_HW_STRAP1_SEC3 TO_REG(0x2C) + +#define AST2700_SCU_CLK_SEL_1 TO_REG(0x280) +#define AST2700_SCU_HPLL_PARAM TO_REG(0x300) +#define AST2700_SCU_HPLL_EXT_PARAM TO_REG(0x304) +#define AST2700_SCU_DPLL_PARAM TO_REG(0x308) +#define AST2700_SCU_DPLL_EXT_PARAM TO_REG(0x30c) +#define AST2700_SCU_MPLL_PARAM TO_REG(0x310) +#define AST2700_SCU_MPLL_EXT_PARAM TO_REG(0x314) +#define AST2700_SCU_D1CLK_PARAM TO_REG(0x320) +#define AST2700_SCU_D2CLK_PARAM TO_REG(0x330) +#define AST2700_SCU_CRT1CLK_PARAM TO_REG(0x340) +#define AST2700_SCU_CRT2CLK_PARAM TO_REG(0x350) +#define AST2700_SCU_MPHYCLK_PARAM TO_REG(0x360) +#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_SCUIO_CLK_STOP_CTL_1 TO_REG(0x240) +#define AST2700_SCUIO_CLK_STOP_CLR_1 TO_REG(0x244) +#define AST2700_SCUIO_CLK_STOP_CTL_2 TO_REG(0x260) +#define AST2700_SCUIO_CLK_STOP_CLR_2 TO_REG(0x264) +#define AST2700_SCUIO_CLK_SEL_1 TO_REG(0x280) +#define AST2700_SCUIO_CLK_SEL_2 TO_REG(0x284) +#define AST2700_SCUIO_HPLL_PARAM TO_REG(0x300) +#define AST2700_SCUIO_HPLL_EXT_PARAM TO_REG(0x304) +#define AST2700_SCUIO_APLL_PARAM TO_REG(0x310) +#define AST2700_SCUIO_APLL_EXT_PARAM TO_REG(0x314) +#define AST2700_SCUIO_DPLL_PARAM TO_REG(0x320) +#define AST2700_SCUIO_DPLL_EXT_PARAM TO_REG(0x324) +#define AST2700_SCUIO_DPLL_PARAM_READ TO_REG(0x328) +#define AST2700_SCUIO_DPLL_EXT_PARAM_READ TO_REG(0x32c) +#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 SCU_IO_REGION_SIZE 0x1000 static const uint32_t ast2400_a0_resets[ASPEED_SCU_NR_REGS] = { @@ -244,6 +286,25 @@ static uint32_t aspeed_1030_scu_get_apb_freq(AspeedSCUState *s) / asc->apb_divider; } +static uint32_t aspeed_2700_scu_get_apb_freq(AspeedSCUState *s) +{ + AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(s); + uint32_t hpll = asc->calc_hpll(s, s->regs[AST2700_SCU_HPLL_PARAM]); + + return hpll / (SCU_CLK_GET_PCLK_DIV(s->regs[AST2700_SCU_CLK_SEL_1]) + 1) + / asc->apb_divider; +} + +static uint32_t aspeed_2700_scuio_get_apb_freq(AspeedSCUState *s) +{ + AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(s); + uint32_t hpll = asc->calc_hpll(s, s->regs[AST2700_SCUIO_HPLL_PARAM]); + + return hpll / + (SCUIO_AST2700_CLK_GET_PCLK_DIV(s->regs[AST2700_SCUIO_CLK_SEL_1]) + 1) + / asc->apb_divider; +} + static uint64_t aspeed_scu_read(void *opaque, hwaddr offset, unsigned size) { AspeedSCUState *s = ASPEED_SCU(opaque); @@ -258,7 +319,8 @@ static uint64_t aspeed_scu_read(void *opaque, hwaddr offset, unsigned size) switch (reg) { case RNG_DATA: - /* On hardware, RNG_DATA works regardless of + /* + * On hardware, RNG_DATA works regardless of * the state of the enable bit in RNG_CTRL */ s->regs[RNG_DATA] = aspeed_scu_get_random(); @@ -494,6 +556,9 @@ static uint32_t aspeed_silicon_revs[] = { AST2600_A3_SILICON_REV, AST1030_A0_SILICON_REV, AST1030_A1_SILICON_REV, + AST2700_A0_SILICON_REV, + AST2720_A0_SILICON_REV, + AST2750_A0_SILICON_REV, }; bool is_supported_silicon_rev(uint32_t silicon_rev) @@ -783,6 +848,243 @@ static const TypeInfo aspeed_2600_scu_info = { .class_init = aspeed_2600_scu_class_init, }; +static uint64_t aspeed_ast2700_scu_read(void *opaque, hwaddr offset, + unsigned size) +{ + AspeedSCUState *s = ASPEED_SCU(opaque); + int reg = TO_REG(offset); + + if (reg >= ASPEED_AST2700_SCU_NR_REGS) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return 0; + } + + switch (reg) { + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Unhandled read at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + } + + trace_aspeed_ast2700_scu_read(offset, size, s->regs[reg]); + return s->regs[reg]; +} + +static void aspeed_ast2700_scu_write(void *opaque, hwaddr offset, + uint64_t data64, unsigned size) +{ + AspeedSCUState *s = ASPEED_SCU(opaque); + int reg = TO_REG(offset); + /* Truncate here so bitwise operations below behave as expected */ + uint32_t data = data64; + + if (reg >= ASPEED_AST2700_SCU_NR_REGS) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return; + } + + trace_aspeed_ast2700_scu_write(offset, size, data); + + switch (reg) { + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Unhandled write at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + break; + } + + s->regs[reg] = data; +} + +static const MemoryRegionOps aspeed_ast2700_scu_ops = { + .read = aspeed_ast2700_scu_read, + .write = aspeed_ast2700_scu_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .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, + [AST2700_HW_STRAP1_SEC2] = 0x00000000, + [AST2700_HW_STRAP1_SEC3] = 0x1000408F, + [AST2700_SCU_HPLL_PARAM] = 0x0000009f, + [AST2700_SCU_HPLL_EXT_PARAM] = 0x8000004f, + [AST2700_SCU_DPLL_PARAM] = 0x0080009f, + [AST2700_SCU_DPLL_EXT_PARAM] = 0x8000004f, + [AST2700_SCU_MPLL_PARAM] = 0x00000040, + [AST2700_SCU_MPLL_EXT_PARAM] = 0x80000000, + [AST2700_SCU_D1CLK_PARAM] = 0x00050002, + [AST2700_SCU_D2CLK_PARAM] = 0x00050002, + [AST2700_SCU_CRT1CLK_PARAM] = 0x00050002, + [AST2700_SCU_CRT2CLK_PARAM] = 0x00050002, + [AST2700_SCU_MPHYCLK_PARAM] = 0x0000004c, + [AST2700_SCU_FREQ_CNTR] = 0x000375eb, + [AST2700_SCU_CPU_SCRATCH_0] = 0x00000000, + [AST2700_SCU_CPU_SCRATCH_1] = 0x00000004, +}; + +static void aspeed_ast2700_scu_reset(DeviceState *dev) +{ + AspeedSCUState *s = ASPEED_SCU(dev); + AspeedSCUClass *asc = ASPEED_SCU_GET_CLASS(dev); + + memcpy(s->regs, asc->resets, asc->nr_regs * 4); +} + +static void aspeed_2700_scu_class_init(ObjectClass *klass, 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; + asc->resets = ast2700_a0_resets; + asc->calc_hpll = aspeed_2600_scu_calc_hpll; + asc->get_apb = aspeed_2700_scu_get_apb_freq; + asc->apb_divider = 4; + asc->nr_regs = ASPEED_AST2700_SCU_NR_REGS; + asc->clkin_25Mhz = true; + asc->ops = &aspeed_ast2700_scu_ops; +} + +static uint64_t aspeed_ast2700_scuio_read(void *opaque, hwaddr offset, + unsigned size) +{ + AspeedSCUState *s = ASPEED_SCU(opaque); + int reg = TO_REG(offset); + if (reg >= ASPEED_AST2700_SCU_NR_REGS) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return 0; + } + + switch (reg) { + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Unhandled read at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + } + + trace_aspeed_ast2700_scuio_read(offset, size, s->regs[reg]); + return s->regs[reg]; +} + +static void aspeed_ast2700_scuio_write(void *opaque, hwaddr offset, + uint64_t data64, unsigned size) +{ + AspeedSCUState *s = ASPEED_SCU(opaque); + int reg = TO_REG(offset); + /* Truncate here so bitwise operations below behave as expected */ + uint32_t data = data64; + bool updated = false; + + if (reg >= ASPEED_AST2700_SCU_NR_REGS) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + return; + } + + trace_aspeed_ast2700_scuio_write(offset, size, data); + + switch (reg) { + case AST2700_SCUIO_CLK_STOP_CTL_1: + case AST2700_SCUIO_CLK_STOP_CTL_2: + s->regs[reg] |= data; + updated = true; + break; + case AST2700_SCUIO_CLK_STOP_CLR_1: + case AST2700_SCUIO_CLK_STOP_CLR_2: + s->regs[reg - 1] ^= data; + updated = true; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Unhandled write at offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + break; + } + + if (!updated) { + s->regs[reg] = data; + } +} + +static const MemoryRegionOps aspeed_ast2700_scuio_ops = { + .read = aspeed_ast2700_scuio_read, + .write = aspeed_ast2700_scuio_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .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, + [AST2700_HW_STRAP1_SEC2] = 0x00000000, + [AST2700_HW_STRAP1_SEC3] = 0x1000408F, + [AST2700_SCUIO_CLK_STOP_CTL_1] = 0xffff8400, + [AST2700_SCUIO_CLK_STOP_CTL_2] = 0x00005f30, + [AST2700_SCUIO_CLK_SEL_1] = 0x86900000, + [AST2700_SCUIO_CLK_SEL_2] = 0x00400000, + [AST2700_SCUIO_HPLL_PARAM] = 0x10000027, + [AST2700_SCUIO_HPLL_EXT_PARAM] = 0x80000014, + [AST2700_SCUIO_APLL_PARAM] = 0x1000001f, + [AST2700_SCUIO_APLL_EXT_PARAM] = 0x8000000f, + [AST2700_SCUIO_DPLL_PARAM] = 0x106e42ce, + [AST2700_SCUIO_DPLL_EXT_PARAM] = 0x80000167, + [AST2700_SCUIO_DPLL_PARAM_READ] = 0x106e42ce, + [AST2700_SCUIO_DPLL_EXT_PARAM_READ] = 0x80000167, + [AST2700_SCUIO_UARTCLK_GEN] = 0x00014506, + [AST2700_SCUIO_HUARTCLK_GEN] = 0x000145c0, + [AST2700_SCUIO_CLK_DUTY_MEAS_RST] = 0x0c9100d2, +}; + +static void aspeed_2700_scuio_class_init(ObjectClass *klass, 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; + asc->resets = ast2700_a0_resets_io; + asc->calc_hpll = aspeed_2600_scu_calc_hpll; + asc->get_apb = aspeed_2700_scuio_get_apb_freq; + asc->apb_divider = 2; + asc->nr_regs = ASPEED_AST2700_SCU_NR_REGS; + asc->clkin_25Mhz = true; + asc->ops = &aspeed_ast2700_scuio_ops; +} + +static const TypeInfo aspeed_2700_scu_info = { + .name = TYPE_ASPEED_2700_SCU, + .parent = TYPE_ASPEED_SCU, + .instance_size = sizeof(AspeedSCUState), + .class_init = aspeed_2700_scu_class_init, +}; + +static const TypeInfo aspeed_2700_scuio_info = { + .name = TYPE_ASPEED_2700_SCUIO, + .parent = TYPE_ASPEED_SCU, + .instance_size = sizeof(AspeedSCUState), + .class_init = aspeed_2700_scuio_class_init, +}; + static const uint32_t ast1030_a1_resets[ASPEED_AST2600_SCU_NR_REGS] = { [AST2600_SYS_RST_CTRL] = 0xFFC3FED8, [AST2600_SYS_RST_CTRL2] = 0x09FFFFFC, @@ -841,6 +1143,8 @@ static void aspeed_scu_register_types(void) type_register_static(&aspeed_2500_scu_info); type_register_static(&aspeed_2600_scu_info); type_register_static(&aspeed_1030_scu_info); + type_register_static(&aspeed_2700_scu_info); + type_register_static(&aspeed_2700_scuio_info); } type_init(aspeed_scu_register_types); diff --git a/hw/misc/trace-events b/hw/misc/trace-events index e13b648221..1be0717c0c 100644 --- a/hw/misc/trace-events +++ b/hw/misc/trace-events @@ -93,6 +93,10 @@ slavio_led_mem_readw(uint32_t ret) "Read diagnostic LED 0x%04x" # aspeed_scu.c aspeed_scu_write(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32 aspeed_scu_read(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32 +aspeed_ast2700_scu_write(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32 +aspeed_ast2700_scu_read(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32 +aspeed_ast2700_scuio_write(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32 +aspeed_ast2700_scuio_read(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32 # mps2-scc.c mps2_scc_read(uint64_t offset, uint64_t data, unsigned size) "MPS2 SCC read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u" |