diff options
Diffstat (limited to 'hw/ppc/pnv_homer.c')
| -rw-r--r-- | hw/ppc/pnv_homer.c | 230 |
1 files changed, 40 insertions, 190 deletions
diff --git a/hw/ppc/pnv_homer.c b/hw/ppc/pnv_homer.c index a1d83c8149..18a53a80c1 100644 --- a/hw/ppc/pnv_homer.c +++ b/hw/ppc/pnv_homer.c @@ -29,94 +29,6 @@ #include "hw/ppc/pnv_homer.h" #include "hw/ppc/pnv_xscom.h" - -static bool core_max_array(PnvHomer *homer, hwaddr addr) -{ - int i; - PnvHomerClass *hmrc = PNV_HOMER_GET_CLASS(homer); - - for (i = 0; i <= homer->chip->nr_cores; i++) { - if (addr == (hmrc->core_max_base + i)) { - return true; - } - } - return false; -} - -/* P8 Pstate table */ - -#define PNV8_OCC_PSTATE_VERSION 0x1f8001 -#define PNV8_OCC_PSTATE_MIN 0x1f8003 -#define PNV8_OCC_PSTATE_VALID 0x1f8000 -#define PNV8_OCC_PSTATE_THROTTLE 0x1f8002 -#define PNV8_OCC_PSTATE_NOM 0x1f8004 -#define PNV8_OCC_PSTATE_TURBO 0x1f8005 -#define PNV8_OCC_PSTATE_ULTRA_TURBO 0x1f8006 -#define PNV8_OCC_PSTATE_DATA 0x1f8008 -#define PNV8_OCC_PSTATE_ID_ZERO 0x1f8010 -#define PNV8_OCC_PSTATE_ID_ONE 0x1f8018 -#define PNV8_OCC_PSTATE_ID_TWO 0x1f8020 -#define PNV8_OCC_VDD_VOLTAGE_IDENTIFIER 0x1f8012 -#define PNV8_OCC_VCS_VOLTAGE_IDENTIFIER 0x1f8013 -#define PNV8_OCC_PSTATE_ZERO_FREQUENCY 0x1f8014 -#define PNV8_OCC_PSTATE_ONE_FREQUENCY 0x1f801c -#define PNV8_OCC_PSTATE_TWO_FREQUENCY 0x1f8024 -#define PNV8_CORE_MAX_BASE 0x1f8810 - - -static uint64_t pnv_power8_homer_read(void *opaque, hwaddr addr, - unsigned size) -{ - PnvHomer *homer = PNV_HOMER(opaque); - - switch (addr) { - case PNV8_OCC_PSTATE_VERSION: - case PNV8_OCC_PSTATE_MIN: - case PNV8_OCC_PSTATE_ID_ZERO: - return 0; - case PNV8_OCC_PSTATE_VALID: - case PNV8_OCC_PSTATE_THROTTLE: - case PNV8_OCC_PSTATE_NOM: - case PNV8_OCC_PSTATE_TURBO: - case PNV8_OCC_PSTATE_ID_ONE: - case PNV8_OCC_VDD_VOLTAGE_IDENTIFIER: - case PNV8_OCC_VCS_VOLTAGE_IDENTIFIER: - return 1; - case PNV8_OCC_PSTATE_ULTRA_TURBO: - case PNV8_OCC_PSTATE_ID_TWO: - return 2; - case PNV8_OCC_PSTATE_DATA: - return 0x1000000000000000; - /* P8 frequency for 0, 1, and 2 pstates */ - case PNV8_OCC_PSTATE_ZERO_FREQUENCY: - case PNV8_OCC_PSTATE_ONE_FREQUENCY: - case PNV8_OCC_PSTATE_TWO_FREQUENCY: - return 3000; - } - /* pstate table core max array */ - if (core_max_array(homer, addr)) { - return 1; - } - return 0; -} - -static void pnv_power8_homer_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - /* callback function defined to homer write */ - return; -} - -static const MemoryRegionOps pnv_power8_homer_ops = { - .read = pnv_power8_homer_read, - .write = pnv_power8_homer_write, - .valid.min_access_size = 1, - .valid.max_access_size = 8, - .impl.min_access_size = 1, - .impl.max_access_size = 8, - .endianness = DEVICE_BIG_ENDIAN, -}; - /* P8 PBA BARs */ #define PBA_BAR0 0x00 #define PBA_BAR1 0x01 @@ -131,16 +43,16 @@ static uint64_t pnv_homer_power8_pba_read(void *opaque, hwaddr addr, unsigned size) { PnvHomer *homer = PNV_HOMER(opaque); - PnvChip *chip = homer->chip; + PnvHomerClass *hmrc = PNV_HOMER_GET_CLASS(homer); uint32_t reg = addr >> 3; uint64_t val = 0; switch (reg) { case PBA_BAR0: - val = PNV_HOMER_BASE(chip); + val = homer->base; break; case PBA_BARMASK0: /* P8 homer region mask */ - val = (PNV_HOMER_SIZE - 1) & 0x300000; + val = (hmrc->size - 1) & 0x300000; break; case PBA_BAR3: /* P8 occ common area */ val = PNV_OCC_COMMON_AREA_BASE; @@ -172,15 +84,19 @@ static const MemoryRegionOps pnv_homer_power8_pba_ops = { .endianness = DEVICE_BIG_ENDIAN, }; +static hwaddr pnv_homer_power8_get_base(PnvChip *chip) +{ + return PNV_HOMER_BASE(chip); +} + static void pnv_homer_power8_class_init(ObjectClass *klass, void *data) { PnvHomerClass *homer = PNV_HOMER_CLASS(klass); + homer->get_base = pnv_homer_power8_get_base; + homer->size = PNV_HOMER_SIZE; homer->pba_size = PNV_XSCOM_PBA_SIZE; homer->pba_ops = &pnv_homer_power8_pba_ops; - homer->homer_size = PNV_HOMER_SIZE; - homer->homer_ops = &pnv_power8_homer_ops; - homer->core_max_base = PNV8_CORE_MAX_BASE; } static const TypeInfo pnv_homer_power8_type_info = { @@ -190,100 +106,20 @@ static const TypeInfo pnv_homer_power8_type_info = { .class_init = pnv_homer_power8_class_init, }; -/* P9 Pstate table */ - -#define PNV9_OCC_PSTATE_ID_ZERO 0xe2018 -#define PNV9_OCC_PSTATE_ID_ONE 0xe2020 -#define PNV9_OCC_PSTATE_ID_TWO 0xe2028 -#define PNV9_OCC_PSTATE_DATA 0xe2000 -#define PNV9_OCC_PSTATE_DATA_AREA 0xe2008 -#define PNV9_OCC_PSTATE_MIN 0xe2003 -#define PNV9_OCC_PSTATE_NOM 0xe2004 -#define PNV9_OCC_PSTATE_TURBO 0xe2005 -#define PNV9_OCC_PSTATE_ULTRA_TURBO 0xe2818 -#define PNV9_OCC_MAX_PSTATE_ULTRA_TURBO 0xe2006 -#define PNV9_OCC_PSTATE_MAJOR_VERSION 0xe2001 -#define PNV9_OCC_OPAL_RUNTIME_DATA 0xe2b85 -#define PNV9_CHIP_HOMER_IMAGE_POINTER 0x200008 -#define PNV9_CHIP_HOMER_BASE 0x0 -#define PNV9_OCC_PSTATE_ZERO_FREQUENCY 0xe201c -#define PNV9_OCC_PSTATE_ONE_FREQUENCY 0xe2024 -#define PNV9_OCC_PSTATE_TWO_FREQUENCY 0xe202c -#define PNV9_OCC_ROLE_MASTER_OR_SLAVE 0xe2002 -#define PNV9_CORE_MAX_BASE 0xe2819 - - -static uint64_t pnv_power9_homer_read(void *opaque, hwaddr addr, - unsigned size) -{ - PnvHomer *homer = PNV_HOMER(opaque); - - switch (addr) { - case PNV9_OCC_MAX_PSTATE_ULTRA_TURBO: - case PNV9_OCC_PSTATE_ID_ZERO: - return 0; - case PNV9_OCC_PSTATE_DATA: - case PNV9_OCC_ROLE_MASTER_OR_SLAVE: - case PNV9_OCC_PSTATE_NOM: - case PNV9_OCC_PSTATE_TURBO: - case PNV9_OCC_PSTATE_ID_ONE: - case PNV9_OCC_PSTATE_ULTRA_TURBO: - case PNV9_OCC_OPAL_RUNTIME_DATA: - return 1; - case PNV9_OCC_PSTATE_MIN: - case PNV9_OCC_PSTATE_ID_TWO: - return 2; - - /* 3000 khz frequency for 0, 1, and 2 pstates */ - case PNV9_OCC_PSTATE_ZERO_FREQUENCY: - case PNV9_OCC_PSTATE_ONE_FREQUENCY: - case PNV9_OCC_PSTATE_TWO_FREQUENCY: - return 3000; - case PNV9_OCC_PSTATE_MAJOR_VERSION: - return 0x90; - case PNV9_CHIP_HOMER_BASE: - case PNV9_OCC_PSTATE_DATA_AREA: - case PNV9_CHIP_HOMER_IMAGE_POINTER: - return 0x1000000000000000; - } - /* pstate table core max array */ - if (core_max_array(homer, addr)) { - return 1; - } - return 0; -} - -static void pnv_power9_homer_write(void *opaque, hwaddr addr, - uint64_t val, unsigned size) -{ - /* callback function defined to homer write */ - return; -} - -static const MemoryRegionOps pnv_power9_homer_ops = { - .read = pnv_power9_homer_read, - .write = pnv_power9_homer_write, - .valid.min_access_size = 1, - .valid.max_access_size = 8, - .impl.min_access_size = 1, - .impl.max_access_size = 8, - .endianness = DEVICE_BIG_ENDIAN, -}; - static uint64_t pnv_homer_power9_pba_read(void *opaque, hwaddr addr, unsigned size) { PnvHomer *homer = PNV_HOMER(opaque); - PnvChip *chip = homer->chip; + PnvHomerClass *hmrc = PNV_HOMER_GET_CLASS(homer); uint32_t reg = addr >> 3; uint64_t val = 0; switch (reg) { case PBA_BAR0: - val = PNV9_HOMER_BASE(chip); + val = homer->base; break; case PBA_BARMASK0: /* P9 homer region mask */ - val = (PNV9_HOMER_SIZE - 1) & 0x300000; + val = (hmrc->size - 1) & 0x300000; break; case PBA_BAR2: /* P9 occ common area */ val = PNV9_OCC_COMMON_AREA_BASE; @@ -315,15 +151,19 @@ static const MemoryRegionOps pnv_homer_power9_pba_ops = { .endianness = DEVICE_BIG_ENDIAN, }; +static hwaddr pnv_homer_power9_get_base(PnvChip *chip) +{ + return PNV9_HOMER_BASE(chip); +} + static void pnv_homer_power9_class_init(ObjectClass *klass, void *data) { PnvHomerClass *homer = PNV_HOMER_CLASS(klass); + homer->get_base = pnv_homer_power9_get_base; + homer->size = PNV_HOMER_SIZE; homer->pba_size = PNV9_XSCOM_PBA_SIZE; homer->pba_ops = &pnv_homer_power9_pba_ops; - homer->homer_size = PNV9_HOMER_SIZE; - homer->homer_ops = &pnv_power9_homer_ops; - homer->core_max_base = PNV9_CORE_MAX_BASE; } static const TypeInfo pnv_homer_power9_type_info = { @@ -337,16 +177,16 @@ static uint64_t pnv_homer_power10_pba_read(void *opaque, hwaddr addr, unsigned size) { PnvHomer *homer = PNV_HOMER(opaque); - PnvChip *chip = homer->chip; + PnvHomerClass *hmrc = PNV_HOMER_GET_CLASS(homer); uint32_t reg = addr >> 3; uint64_t val = 0; switch (reg) { case PBA_BAR0: - val = PNV10_HOMER_BASE(chip); + val = homer->base; break; case PBA_BARMASK0: /* P10 homer region mask */ - val = (PNV10_HOMER_SIZE - 1) & 0x300000; + val = (hmrc->size - 1) & 0x300000; break; case PBA_BAR2: /* P10 occ common area */ val = PNV10_OCC_COMMON_AREA_BASE; @@ -378,15 +218,19 @@ static const MemoryRegionOps pnv_homer_power10_pba_ops = { .endianness = DEVICE_BIG_ENDIAN, }; +static hwaddr pnv_homer_power10_get_base(PnvChip *chip) +{ + return PNV10_HOMER_BASE(chip); +} + static void pnv_homer_power10_class_init(ObjectClass *klass, void *data) { PnvHomerClass *homer = PNV_HOMER_CLASS(klass); + homer->get_base = pnv_homer_power10_get_base; + homer->size = PNV_HOMER_SIZE; homer->pba_size = PNV10_XSCOM_PBA_SIZE; homer->pba_ops = &pnv_homer_power10_pba_ops; - homer->homer_size = PNV10_HOMER_SIZE; - homer->homer_ops = &pnv_power9_homer_ops; /* TODO */ - homer->core_max_base = PNV9_CORE_MAX_BASE; } static const TypeInfo pnv_homer_power10_type_info = { @@ -400,16 +244,22 @@ static void pnv_homer_realize(DeviceState *dev, Error **errp) { PnvHomer *homer = PNV_HOMER(dev); PnvHomerClass *hmrc = PNV_HOMER_GET_CLASS(homer); + char homer_str[32]; assert(homer->chip); pnv_xscom_region_init(&homer->pba_regs, OBJECT(dev), hmrc->pba_ops, homer, "xscom-pba", hmrc->pba_size); - /* homer region */ - memory_region_init_io(&homer->regs, OBJECT(dev), - hmrc->homer_ops, homer, "homer-main-memory", - hmrc->homer_size); + /* Homer RAM region */ + homer->base = hmrc->get_base(homer->chip); + + snprintf(homer_str, sizeof(homer_str), "homer-chip%d-memory", + homer->chip->chip_id); + if (!memory_region_init_ram(&homer->mem, OBJECT(homer), + homer_str, hmrc->size, errp)) { + return; + } } static const Property pnv_homer_properties[] = { |