From 0946ec37aa4660ecf16d66cb1174a68df0afc4f0 Mon Sep 17 00:00:00 2001 From: Lee Leahy Date: Mon, 20 Apr 2015 15:24:54 -0700 Subject: Intel Common SOC: Add romstage support Provide a common romstage implementation for the Intel SOCs. BRANCH=none BUG=None TEST=Build for Braswell Change-Id: I80f5f8f0f36e9023117b07d4af5c806fff8157b6 Signed-off-by: Lee Leahy Reviewed-on: http://review.coreboot.org/10050 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/common/raminit.c | 320 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 320 insertions(+) create mode 100644 src/soc/intel/common/raminit.c (limited to 'src/soc/intel/common/raminit.c') diff --git a/src/soc/intel/common/raminit.c b/src/soc/intel/common/raminit.c new file mode 100644 index 0000000000..a9663c59c9 --- /dev/null +++ b/src/soc/intel/common/raminit.c @@ -0,0 +1,320 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014-2015 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include /* hexdump */ +#include +#include +#include +#include +#include +#include + +void raminit(struct romstage_params *params) +{ + const EFI_GUID bootldr_tolum_guid = FSP_BOOTLOADER_TOLUM_HOB_GUID; + EFI_HOB_RESOURCE_DESCRIPTOR *cbmem_root; + FSP_INFO_HEADER *fsp_header; + EFI_HOB_RESOURCE_DESCRIPTOR *fsp_memory; + FSP_MEMORY_INIT fsp_memory_init; + FSP_MEMORY_INIT_PARAMS fsp_memory_init_params; + const EFI_GUID fsp_reserved_guid = + FSP_RESERVED_MEMORY_RESOURCE_HOB_GUID; + void *fsp_reserved_memory_area; + FSP_INIT_RT_COMMON_BUFFER fsp_rt_common_buffer; + void *hob_list_ptr; + FSP_SMBIOS_MEMORY_INFO *memory_info_hob; + const EFI_GUID memory_info_hob_guid = FSP_SMBIOS_MEMORY_INFO_GUID; + MEMORY_INIT_UPD memory_init_params; + const EFI_GUID mrc_guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID; + u32 *mrc_hob; + u32 fsp_reserved_bytes; + MEMORY_INIT_UPD *original_params; + struct pei_data *pei_ptr; + EFI_STATUS status; + VPD_DATA_REGION *vpd_ptr; + UPD_DATA_REGION *upd_ptr; + int fsp_verification_failure = 0; +#if IS_ENABLED(CONFIG_DISPLAY_HOBS) + unsigned long int data; + EFI_PEI_HOB_POINTERS hob_ptr; +#endif + + /* + * Find and copy the UPD region to the stack so the platform can modify + * the settings if needed. Modifications to the UPD buffer are done in + * the platform callback code. The platform callback code is also + * responsible for assigning the UpdDataRngPtr to this buffer if any + * updates are made. The default state is to leave the UpdDataRngPtr + * set to NULL. This indicates that the FSP code will use the UPD + * region in the FSP binary. + */ + post_code(0x34); + fsp_header = params->chipset_context; + vpd_ptr = (VPD_DATA_REGION *)(fsp_header->CfgRegionOffset + + fsp_header->ImageBase); + printk(BIOS_DEBUG, "VPD Data: 0x%p\n", vpd_ptr); + upd_ptr = (UPD_DATA_REGION *)(vpd_ptr->PcdUpdRegionOffset + + fsp_header->ImageBase); + printk(BIOS_DEBUG, "UPD Data: 0x%p\n", upd_ptr); + original_params = (void *)((u8 *)upd_ptr + + upd_ptr->MemoryInitUpdOffset); + memcpy(&memory_init_params, original_params, + sizeof(memory_init_params)); + + /* Zero fill RT Buffer data and start populating fields. */ + memset(&fsp_rt_common_buffer, 0, sizeof(fsp_rt_common_buffer)); + pei_ptr = params->pei_data; + if (pei_ptr->boot_mode == SLEEP_STATE_S3) { + fsp_rt_common_buffer.BootMode = BOOT_ON_S3_RESUME; + } else if (pei_ptr->saved_data != NULL) { + fsp_rt_common_buffer.BootMode = + BOOT_ASSUMING_NO_CONFIGURATION_CHANGES; + } else { + fsp_rt_common_buffer.BootMode = BOOT_WITH_FULL_CONFIGURATION; + } + fsp_rt_common_buffer.UpdDataRgnPtr = &memory_init_params; + fsp_rt_common_buffer.BootLoaderTolumSize = cbmem_overhead_size(); + + /* Get any board specific changes */ + fsp_memory_init_params.NvsBufferPtr = (void *)pei_ptr->saved_data; + fsp_memory_init_params.RtBufferPtr = &fsp_rt_common_buffer; + fsp_memory_init_params.HobListPtr = &hob_list_ptr; + + /* Update the UPD data */ + soc_memory_init_params(&memory_init_params); + mainboard_memory_init_params(params, &memory_init_params); + post_code(0x36); + + /* Display the UPD data */ + if (IS_ENABLED(CONFIG_DISPLAY_UPD_DATA)) + soc_display_memory_init_params(original_params, + &memory_init_params); + + /* Call FspMemoryInit to initialize RAM */ + fsp_memory_init = (FSP_MEMORY_INIT)(fsp_header->ImageBase + + fsp_header->FspMemoryInitEntryOffset); + printk(BIOS_DEBUG, "Calling FspMemoryInit: 0x%p\n", fsp_memory_init); + printk(BIOS_SPEW, " 0x%p: NvsBufferPtr\n", + fsp_memory_init_params.NvsBufferPtr); + printk(BIOS_SPEW, " 0x%p: RtBufferPtr\n", + fsp_memory_init_params.RtBufferPtr); + printk(BIOS_SPEW, " 0x%p: HobListPtr\n", + fsp_memory_init_params.HobListPtr); + + timestamp_add_now(TS_FSP_MEMORY_INIT_START); + status = fsp_memory_init(&fsp_memory_init_params); + post_code(0x37); + timestamp_add_now(TS_FSP_MEMORY_INIT_END); + + printk(BIOS_DEBUG, "FspMemoryInit returned 0x%08x\n", status); + if (status != EFI_SUCCESS) + die("ERROR - FspMemoryInit failed to initialize memory!\n"); + + /* Locate the FSP reserved memory area */ + fsp_reserved_bytes = 0; + fsp_memory = get_next_resource_hob(&fsp_reserved_guid, hob_list_ptr); + if (fsp_memory == NULL) { + fsp_verification_failure = 1; + printk(BIOS_DEBUG, + "7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB missing!\n"); + } else { + fsp_reserved_bytes = fsp_memory->ResourceLength; + printk(BIOS_DEBUG, "Reserving 0x%016lx bytes for FSP\n", + (unsigned long int)fsp_reserved_bytes); + } + + /* Display SMM area */ +#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) + char *smm_base; + size_t smm_size; + + smm_region((void **)&smm_base, &smm_size); + printk(BIOS_DEBUG, "0x%08x: smm_size\n", (unsigned int)smm_size); + printk(BIOS_DEBUG, "0x%p: smm_base\n", smm_base); +#endif + + /* Migrate CAR data */ + printk(BIOS_DEBUG, "0x%08x: CONFIG_CHIPSET_RESERVED_MEM_BYTES\n", + CONFIG_CHIPSET_RESERVED_MEM_BYTES); + printk(BIOS_DEBUG, "0x%p: cbmem_top\n", cbmem_top()); + if (pei_ptr->boot_mode != SLEEP_STATE_S3) { + cbmem_initialize_empty_id_size(CBMEM_ID_FSP_RESERVED_MEMORY, + fsp_reserved_bytes); + } else if (cbmem_initialize_id_size(CBMEM_ID_FSP_RESERVED_MEMORY, + fsp_reserved_bytes)) { +#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) + printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n"); + /* Failed S3 resume, reset to come up cleanly */ + hard_reset(); +#endif + } + + /* Save the FSP runtime parameters. */ + fsp_set_runtime(params->chipset_context, hob_list_ptr); + + /* Lookup the FSP_BOOTLOADER_TOLUM_HOB */ + cbmem_root = get_next_resource_hob(&bootldr_tolum_guid, hob_list_ptr); + if (cbmem_root == NULL) { + fsp_verification_failure = 1; + printk(BIOS_ERR, "7.4: FSP_BOOTLOADER_TOLUM_HOB missing!\n"); + printk(BIOS_ERR, "BootLoaderTolumSize: 0x%08x bytes\n", + fsp_rt_common_buffer.BootLoaderTolumSize); + } + + /* Locate the FSP_SMBIOS_MEMORY_INFO HOB */ + memory_info_hob = get_next_guid_hob(&memory_info_hob_guid, + hob_list_ptr); + if (NULL == memory_info_hob) { + printk(BIOS_ERR, "FSP_SMBIOS_MEMORY_INFO HOB missing!\n"); + fsp_verification_failure = 1; + } else { + printk(BIOS_DEBUG, + "FSP_SMBIOS_MEMORY_INFO HOB: 0x%p\n", + memory_info_hob); + } + +#if IS_ENABLED(CONFIG_DISPLAY_HOBS) + if (hob_list_ptr == NULL) + die("ERROR - HOB pointer is NULL!\n"); + + /* + * Verify that FSP is generating the required HOBs: + * 7.1: FSP_BOOTLOADER_TEMP_MEMORY_HOB only produced for FSP 1.0 + * 7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB verified above + * 7.3: FSP_NON_VOLATILE_STORAGE_HOB verified below + * 7.4: FSP_BOOTLOADER_TOLUM_HOB verified above + * 7.5: EFI_PEI_GRAPHICS_INFO_HOB produced by SiliconInit + * FSP_SMBIOS_MEMORY_INFO HOB verified above + */ + if (NULL != cbmem_root) { + printk(BIOS_DEBUG, + "7.4: FSP_BOOTLOADER_TOLUM_HOB: 0x%p\n", + cbmem_root); + data = cbmem_root->PhysicalStart; + printk(BIOS_DEBUG, " 0x%016lx: PhysicalStart\n", data); + data = cbmem_root->ResourceLength; + printk(BIOS_DEBUG, " 0x%016lx: ResourceLength\n", data); + } + hob_ptr.Raw = get_next_guid_hob(&mrc_guid, hob_list_ptr); + if (NULL == hob_ptr.Raw) { + printk(BIOS_ERR, "7.3: FSP_NON_VOLATILE_STORAGE_HOB missing!\n"); + fsp_verification_failure = + (params->pei_data->saved_data == NULL) ? 1 : 0; + } else { + printk(BIOS_DEBUG, + "7.3: FSP_NON_VOLATILE_STORAGE_HOB: 0x%p\n", + hob_ptr.Raw); + } + if (fsp_memory != NULL) { + printk(BIOS_DEBUG, + "7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB: 0x%p\n", + fsp_memory); + data = fsp_memory->PhysicalStart; + printk(BIOS_DEBUG, " 0x%016lx: PhysicalStart\n", data); + data = fsp_memory->ResourceLength; + printk(BIOS_DEBUG, " 0x%016lx: ResourceLength\n", data); + } + + /* Verify all the HOBs are present */ + if (fsp_verification_failure) + printk(BIOS_DEBUG, + "ERROR - Missing one or more required FSP HOBs!\n"); + + /* Display the HOBs */ + print_hob_type_structure(0, hob_list_ptr); +#endif + + /* Get the address of the CBMEM region for the FSP reserved memory */ + fsp_reserved_memory_area = cbmem_find(CBMEM_ID_FSP_RESERVED_MEMORY); + printk(BIOS_DEBUG, "0x%p: fsp_reserved_memory_area\n", + fsp_reserved_memory_area); + + /* Verify the order of CBMEM root and FSP memory */ + if ((fsp_memory != NULL) && (cbmem_root != NULL) && + (cbmem_root->PhysicalStart <= fsp_memory->PhysicalStart)) { + fsp_verification_failure = 1; + printk(BIOS_DEBUG, + "ERROR - FSP reserved memory above CBMEM root!\n"); + } + + /* Verify that the FSP memory was properly reserved */ + if ((fsp_memory != NULL) && ((fsp_reserved_memory_area == NULL) || + (fsp_memory->PhysicalStart != + (unsigned int)fsp_reserved_memory_area))) { + fsp_verification_failure = 1; + printk(BIOS_DEBUG, "ERROR - Reserving FSP memory area!\n"); +#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER) + if (cbmem_root != NULL) { + size_t delta_bytes = (unsigned int)smm_base + - cbmem_root->PhysicalStart + - cbmem_root->ResourceLength; + printk(BIOS_DEBUG, + "0x%08x: CONFIG_CHIPSET_RESERVED_MEM_BYTES\n", + CONFIG_CHIPSET_RESERVED_MEM_BYTES); + printk(BIOS_DEBUG, + "0x%08x: Chipset reserved bytes reported by FSP\n", + (unsigned int)delta_bytes); + die("Please verify the chipset reserved size\n"); + } +#endif + } + + /* Verify the FSP 1.1 HOB interface */ + if (fsp_verification_failure) + die("ERROR - Coreboot's requirements not met by FSP binary!\n"); + + /* Display the memory configuration */ + report_memory_config(); + + /* Locate the memory configuration data to speed up the next reboot */ + mrc_hob = get_next_guid_hob(&mrc_guid, hob_list_ptr); + if (mrc_hob == NULL) + printk(BIOS_DEBUG, + "Memory Configuration Data Hob not present\n"); + else { + pei_ptr->data_to_save = GET_GUID_HOB_DATA(mrc_hob); + pei_ptr->data_to_save_size = ALIGN( + ((u32)GET_HOB_LENGTH(mrc_hob)), 16); + } +} + +/* Initialize the UPD parameters for MemoryInit */ +__attribute__((weak)) void mainboard_memory_init_params( + struct romstage_params *params, + MEMORY_INIT_UPD *upd_ptr) +{ + printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); +} + +/* Display the UPD parameters for MemoryInit */ +__attribute__((weak)) void soc_display_memory_init_params( + const MEMORY_INIT_UPD *old, MEMORY_INIT_UPD *new) +{ + printk(BIOS_SPEW, "UPD values for MemoryInit:\n"); + hexdump32(BIOS_SPEW, new, sizeof(*new)); +} + +/* Initialize the UPD parameters for MemoryInit */ +__attribute__((weak)) void soc_memory_init_params(MEMORY_INIT_UPD *params) +{ + printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__); +} -- cgit v1.2.3