diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/xeon_sp/skx/soc_util.c | 192 |
1 files changed, 95 insertions, 97 deletions
diff --git a/src/soc/intel/xeon_sp/skx/soc_util.c b/src/soc/intel/xeon_sp/skx/soc_util.c index 5a2b3c6ca5..3faaed0f06 100644 --- a/src/soc/intel/xeon_sp/skx/soc_util.c +++ b/src/soc/intel/xeon_sp/skx/soc_util.c @@ -45,18 +45,42 @@ * +-------------------------+ */ -static uint32_t get_socket_stack_busno(uint32_t socket, uint32_t stack) +const struct SystemMemoryMapHob *get_system_memory_map(void) { size_t hob_size; - const IIO_UDS *hob; - const uint8_t fsp_hob_iio_universal_data_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const uint8_t mem_hob_guid[16] = FSP_SYSTEM_MEMORYMAP_HOB_GUID; + const struct SystemMemoryMapHob *memmap_addr; - assert(socket < MAX_SOCKET && stack < MAX_IIO_STACK); + memmap_addr = fsp_find_extension_hob_by_guid(mem_hob_guid, &hob_size); + assert(memmap_addr != NULL && hob_size != 0); - hob = fsp_find_extension_hob_by_guid(fsp_hob_iio_universal_data_guid, &hob_size); + return memmap_addr; +} + +uint8_t get_iiostack_info(struct iiostack_resource *info) +{ + size_t hob_size; + const uint8_t fsp_hob_iio_universal_data_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; + const IIO_UDS *hob; + + hob = fsp_find_extension_hob_by_guid( + fsp_hob_iio_universal_data_guid, &hob_size); assert(hob != NULL && hob_size != 0); - return hob->PlatformData.CpuQpiInfo[socket].StackBus[stack]; + // copy IIO Stack info from FSP HOB + info->no_of_stacks = 0; + for (int s = 0; s < hob->PlatformData.numofIIO; ++s) { + for (int x = 0; x < MAX_IIO_STACK; ++x) { + const STACK_RES *ri = &hob->PlatformData.IIO_resource[s].StackRes[x]; + // TODO: do we have situation with only bux 0 and one stack? + if (ri->BusBase >= ri->BusLimit) + continue; + assert(info->no_of_stacks < (CONFIG_MAX_SOCKET * MAX_IIO_STACK)); + memcpy(&info->res[info->no_of_stacks++], ri, sizeof(STACK_RES)); + } + } + + return hob->PlatformData.Pci64BitResourceAllocation; } /* return 1 if command timed out else 0 */ @@ -80,26 +104,6 @@ static uint32_t wait_for_bios_cmd_cpl(pci_devfn_t dev, uint32_t reg, uint32_t ma } /* return 1 if command timed out else 0 */ -static int set_bios_reset_cpl_for_package(uint32_t socket, uint32_t rst_cpl_mask, - uint32_t pcode_init_mask, uint32_t val) -{ - uint32_t bus = get_socket_stack_busno(socket, PCU_IIO_STACK); - pci_devfn_t dev = PCI_DEV(bus, PCU_DEV, PCU_CR1_FUN); - - uint32_t reg = pci_mmio_read_config32(dev, PCU_CR1_BIOS_RESET_CPL_REG); - reg &= (uint32_t) ~rst_cpl_mask; - reg |= rst_cpl_mask; - reg |= val; - - /* update BIOS RESET completion bit */ - pci_mmio_write_config32(dev, PCU_CR1_BIOS_RESET_CPL_REG, reg); - - /* wait for PCU ack */ - return wait_for_bios_cmd_cpl(dev, PCU_CR1_BIOS_RESET_CPL_REG, pcode_init_mask, - pcode_init_mask); -} - -/* return 1 if command timed out else 0 */ static uint32_t write_bios_mailbox_cmd(pci_devfn_t dev, uint32_t command, uint32_t data) { /* verify bios is not in busy state */ @@ -123,54 +127,38 @@ static uint32_t write_bios_mailbox_cmd(pci_devfn_t dev, uint32_t command, uint32 BIOS_MB_RUN_BUSY_MASK, 0); } -void config_reset_cpl3_csrs(void) +static uint32_t get_socket_stack_busno(uint32_t socket, uint32_t stack) { - uint32_t data, plat_info, max_min_turbo_limit_ratio; - - for (uint32_t socket = 0; socket < MAX_SOCKET; ++socket) { - uint32_t bus = get_socket_stack_busno(socket, PCU_IIO_STACK); - - /* configure PCU_CR0_FUN csrs */ - pci_devfn_t cr0_dev = PCI_DEV(bus, PCU_DEV, PCU_CR0_FUN); - data = pci_mmio_read_config32(cr0_dev, PCU_CR0_P_STATE_LIMITS); - data |= P_STATE_LIMITS_LOCK; - pci_mmio_write_config32(cr0_dev, PCU_CR0_P_STATE_LIMITS, data); - - plat_info = pci_mmio_read_config32(cr0_dev, PCU_CR0_PLATFORM_INFO); - dump_csr64("", cr0_dev, PCU_CR0_PLATFORM_INFO); - max_min_turbo_limit_ratio = - (plat_info & MAX_NON_TURBO_LIM_RATIO_MASK) >> - MAX_NON_TURBO_LIM_RATIO_SHIFT; - printk(BIOS_SPEW, "plat_info: 0x%x, max_min_turbo_limit_ratio: 0x%x\n", - plat_info, max_min_turbo_limit_ratio); + size_t hob_size; + const IIO_UDS *hob; + const uint8_t fsp_hob_iio_universal_data_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - /* configure PCU_CR1_FUN csrs */ - pci_devfn_t cr1_dev = PCI_DEV(bus, PCU_DEV, PCU_CR1_FUN); + assert(socket < MAX_SOCKET && stack < MAX_IIO_STACK); - data = pci_mmio_read_config32(cr1_dev, PCU_CR1_SAPMCTL); - /* clear bits 27:31 - FSP sets this with 0x7 which needs to be cleared */ - data &= 0x0fffffff; - data |= SAPMCTL_LOCK_MASK; - pci_mmio_write_config32(cr1_dev, PCU_CR1_SAPMCTL, data); + hob = fsp_find_extension_hob_by_guid(fsp_hob_iio_universal_data_guid, &hob_size); + assert(hob != NULL && hob_size != 0); - /* configure PCU_CR1_FUN csrs */ - pci_devfn_t cr2_dev = PCI_DEV(bus, PCU_DEV, PCU_CR2_FUN); + return hob->PlatformData.CpuQpiInfo[socket].StackBus[stack]; +} - data = PCIE_IN_PKGCSTATE_L1_MASK; - pci_mmio_write_config32(cr2_dev, PCU_CR2_PKG_CST_ENTRY_CRITERIA_MASK, data); +/* return 1 if command timed out else 0 */ +static int set_bios_reset_cpl_for_package(uint32_t socket, uint32_t rst_cpl_mask, + uint32_t pcode_init_mask, uint32_t val) +{ + uint32_t bus = get_socket_stack_busno(socket, PCU_IIO_STACK); + pci_devfn_t dev = PCI_DEV(bus, PCU_DEV, PCU_CR1_FUN); - data = KTI_IN_PKGCSTATE_L1_MASK; - pci_mmio_write_config32(cr2_dev, PCU_CR2_PKG_CST_ENTRY_CRITERIA_MASK2, data); + uint32_t reg = pci_mmio_read_config32(dev, PCU_CR1_BIOS_RESET_CPL_REG); + reg &= (uint32_t) ~rst_cpl_mask; + reg |= rst_cpl_mask; + reg |= val; - data = PROCHOT_RATIO; - printk(BIOS_SPEW, "PCU_CR2_PROCHOT_RESPONSE_RATIO_REG data: 0x%x\n", data); - pci_mmio_write_config32(cr2_dev, PCU_CR2_PROCHOT_RESPONSE_RATIO_REG, data); - dump_csr("", cr2_dev, PCU_CR2_PROCHOT_RESPONSE_RATIO_REG); + /* update BIOS RESET completion bit */ + pci_mmio_write_config32(dev, PCU_CR1_BIOS_RESET_CPL_REG, reg); - data = pci_mmio_read_config32(cr2_dev, PCU_CR2_DYNAMIC_PERF_POWER_CTL); - data |= UNOCRE_PLIMIT_OVERRIDE_SHIFT; - pci_mmio_write_config32(cr2_dev, PCU_CR2_DYNAMIC_PERF_POWER_CTL, data); - } + /* wait for PCU ack */ + return wait_for_bios_cmd_cpl(dev, PCU_CR1_BIOS_RESET_CPL_REG, pcode_init_mask, + pcode_init_mask); } static void set_bios_init_completion_for_package(uint32_t socket) @@ -229,43 +217,54 @@ void set_bios_init_completion(void) set_bios_init_completion_for_package(sbsp_socket_id); } -uint8_t get_iiostack_info(struct iiostack_resource *info) +void config_reset_cpl3_csrs(void) { - size_t hob_size; - const uint8_t fsp_hob_iio_universal_data_guid[16] = FSP_HOB_IIO_UNIVERSAL_DATA_GUID; - const IIO_UDS *hob; + uint32_t data, plat_info, max_min_turbo_limit_ratio; - hob = fsp_find_extension_hob_by_guid( - fsp_hob_iio_universal_data_guid, &hob_size); - assert(hob != NULL && hob_size != 0); + for (uint32_t socket = 0; socket < MAX_SOCKET; ++socket) { + uint32_t bus = get_socket_stack_busno(socket, PCU_IIO_STACK); - // copy IIO Stack info from FSP HOB - info->no_of_stacks = 0; - for (int s = 0; s < hob->PlatformData.numofIIO; ++s) { - for (int x = 0; x < MAX_IIO_STACK; ++x) { - const STACK_RES *ri = &hob->PlatformData.IIO_resource[s].StackRes[x]; - // TODO: do we have situation with only bux 0 and one stack? - if (ri->BusBase >= ri->BusLimit) - continue; - assert(info->no_of_stacks < (CONFIG_MAX_SOCKET * MAX_IIO_STACK)); - memcpy(&info->res[info->no_of_stacks++], ri, sizeof(STACK_RES)); - } - } + /* configure PCU_CR0_FUN csrs */ + pci_devfn_t cr0_dev = PCI_DEV(bus, PCU_DEV, PCU_CR0_FUN); + data = pci_mmio_read_config32(cr0_dev, PCU_CR0_P_STATE_LIMITS); + data |= P_STATE_LIMITS_LOCK; + pci_mmio_write_config32(cr0_dev, PCU_CR0_P_STATE_LIMITS, data); - return hob->PlatformData.Pci64BitResourceAllocation; -} + plat_info = pci_mmio_read_config32(cr0_dev, PCU_CR0_PLATFORM_INFO); + dump_csr64("", cr0_dev, PCU_CR0_PLATFORM_INFO); + max_min_turbo_limit_ratio = + (plat_info & MAX_NON_TURBO_LIM_RATIO_MASK) >> + MAX_NON_TURBO_LIM_RATIO_SHIFT; + printk(BIOS_SPEW, "plat_info: 0x%x, max_min_turbo_limit_ratio: 0x%x\n", + plat_info, max_min_turbo_limit_ratio); -#if ENV_RAMSTAGE -const struct SystemMemoryMapHob *get_system_memory_map(void) -{ - size_t hob_size; - const uint8_t mem_hob_guid[16] = FSP_SYSTEM_MEMORYMAP_HOB_GUID; - const struct SystemMemoryMapHob *memmap_addr; + /* configure PCU_CR1_FUN csrs */ + pci_devfn_t cr1_dev = PCI_DEV(bus, PCU_DEV, PCU_CR1_FUN); - memmap_addr = fsp_find_extension_hob_by_guid(mem_hob_guid, &hob_size); - assert(memmap_addr != NULL && hob_size != 0); + data = pci_mmio_read_config32(cr1_dev, PCU_CR1_SAPMCTL); + /* clear bits 27:31 - FSP sets this with 0x7 which needs to be cleared */ + data &= 0x0fffffff; + data |= SAPMCTL_LOCK_MASK; + pci_mmio_write_config32(cr1_dev, PCU_CR1_SAPMCTL, data); - return memmap_addr; + /* configure PCU_CR1_FUN csrs */ + pci_devfn_t cr2_dev = PCI_DEV(bus, PCU_DEV, PCU_CR2_FUN); + + data = PCIE_IN_PKGCSTATE_L1_MASK; + pci_mmio_write_config32(cr2_dev, PCU_CR2_PKG_CST_ENTRY_CRITERIA_MASK, data); + + data = KTI_IN_PKGCSTATE_L1_MASK; + pci_mmio_write_config32(cr2_dev, PCU_CR2_PKG_CST_ENTRY_CRITERIA_MASK2, data); + + data = PROCHOT_RATIO; + printk(BIOS_SPEW, "PCU_CR2_PROCHOT_RESPONSE_RATIO_REG data: 0x%x\n", data); + pci_mmio_write_config32(cr2_dev, PCU_CR2_PROCHOT_RESPONSE_RATIO_REG, data); + dump_csr("", cr2_dev, PCU_CR2_PROCHOT_RESPONSE_RATIO_REG); + + data = pci_mmio_read_config32(cr2_dev, PCU_CR2_DYNAMIC_PERF_POWER_CTL); + data |= UNOCRE_PLIMIT_OVERRIDE_SHIFT; + pci_mmio_write_config32(cr2_dev, PCU_CR2_DYNAMIC_PERF_POWER_CTL, data); + } } /* @@ -296,4 +295,3 @@ int soc_get_stack_for_port(int port) else return -1; } -#endif |