diff options
Diffstat (limited to 'src/drivers/intel/fsp1_0/fsp_util.c')
-rw-r--r-- | src/drivers/intel/fsp1_0/fsp_util.c | 352 |
1 files changed, 0 insertions, 352 deletions
diff --git a/src/drivers/intel/fsp1_0/fsp_util.c b/src/drivers/intel/fsp1_0/fsp_util.c deleted file mode 100644 index 4b38c01ade..0000000000 --- a/src/drivers/intel/fsp1_0/fsp_util.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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. - */ - -#include <types.h> -#include <string.h> -#include <console/console.h> -#include <bootstate.h> -#include <cbmem.h> -#include "fsp_util.h" -#include <lib.h> // hexdump -#include <ip_checksum.h> -#include <timestamp.h> -#include <cpu/intel/microcode.h> -#include <cf9_reset.h> - -/* Globals pointers for FSP structures */ -void *FspHobListPtr = NULL; -FSP_INFO_HEADER *fsp_header_ptr = NULL; - -void FspNotify (u32 Phase) -{ - FSP_NOTFY_PHASE NotifyPhaseProc; - NOTIFY_PHASE_PARAMS NotifyPhaseParams; - EFI_STATUS Status; - - if (fsp_header_ptr == NULL) { - fsp_header_ptr = (void *)find_fsp(); - if ((u32)fsp_header_ptr < 0xff) { - post_code(0x4F); /* output something in case there is no serial */ - die("Can't find the FSP!\n"); - } - } - - /* call FSP PEI to Notify PostPciEnumeration */ - NotifyPhaseProc = (FSP_NOTFY_PHASE)(fsp_header_ptr->ImageBase + - fsp_header_ptr->NotifyPhaseEntry); - NotifyPhaseParams.Phase = Phase; - - timestamp_add_now(Phase == EnumInitPhaseReadyToBoot ? - TS_FSP_BEFORE_FINALIZE : TS_FSP_BEFORE_ENUMERATE); - - Status = NotifyPhaseProc (&NotifyPhaseParams); - - timestamp_add_now(Phase == EnumInitPhaseReadyToBoot ? - TS_FSP_AFTER_FINALIZE : TS_FSP_AFTER_ENUMERATE); - - if (Status != 0) - printk(BIOS_ERR,"FSP API NotifyPhase failed for phase 0x%x with status: 0x%x\n", Phase, Status); -} - -/* The FSP returns here after the fsp_early_init call */ -static void ChipsetFspReturnPoint(EFI_STATUS Status, VOID *HobListPtr) -{ - *(void **)CBMEM_FSP_HOB_PTR = HobListPtr; - - if (Status == 0xFFFFFFFF) - system_reset(); - - romstage_main_continue(Status, HobListPtr); -} - -/* - * Call the FSP to do memory init. The FSP doesn't return to this function. - * The FSP returns to the romstage_main_continue(). - */ -void __noreturn fsp_early_init (FSP_INFO_HEADER *fsp_ptr) -{ - FSP_FSP_INIT FspInitApi; - FSP_INIT_PARAMS FspInitParams; - FSP_INIT_RT_BUFFER FspRtBuffer; -#if CONFIG(FSP_USES_UPD) - UPD_DATA_REGION fsp_upd_data; -#endif - - /* Load microcode before RAM init */ - if (CONFIG(SUPPORT_CPU_UCODE_IN_CBFS)) - intel_update_microcode_from_cbfs(); - - memset((void *)&FspRtBuffer, 0, sizeof(FSP_INIT_RT_BUFFER)); - FspRtBuffer.Common.StackTop = (u32 *)CONFIG_RAMTOP; - FspInitParams.NvsBufferPtr = NULL; - -#if CONFIG(FSP_USES_UPD) - FspRtBuffer.Common.UpdDataRgnPtr = &fsp_upd_data; -#endif - FspInitParams.RtBufferPtr = (FSP_INIT_RT_BUFFER *)&FspRtBuffer; - FspInitParams.ContinuationFunc = (CONTINUATION_PROC)ChipsetFspReturnPoint; - FspInitApi = (FSP_FSP_INIT)(fsp_ptr->ImageBase + fsp_ptr->FspInitEntry); - - /* Call the chipset code to fill in the chipset specific structures */ - chipset_fsp_early_init(&FspInitParams, fsp_ptr); - - /* Call back to romstage for board specific changes */ - romstage_fsp_rt_buffer_callback(&FspRtBuffer); - - post_code(POST_FSP_MEMORY_INIT); - FspInitApi(&FspInitParams); - - /* Should never return. Control will continue from ContinuationFunc */ - die("Uh Oh! FspInitApi returned"); -} - -volatile u8 *find_fsp() -{ -#if ENV_ROMSTAGE - volatile register u8 *fsp_ptr asm ("eax"); - - /* Entry point for CAR assembly routine */ - __asm__ __volatile__ ( - ".global find_fsp_bypass_prologue\n\t" - "find_fsp_bypass_prologue:\n\t" - ); -#else - volatile u8 *fsp_ptr; -#endif - - /* The FSP is stored in CBFS */ - fsp_ptr = (u8 *) CONFIG_FSP_LOC; - - /* Check the FV signature, _FVH */ - if (((EFI_FIRMWARE_VOLUME_HEADER *)fsp_ptr)->Signature == 0x4856465F) { - /* Go to the end of the FV header and align the address. */ - fsp_ptr += ((EFI_FIRMWARE_VOLUME_HEADER *)fsp_ptr)->ExtHeaderOffset; - fsp_ptr += ((EFI_FIRMWARE_VOLUME_EXT_HEADER *)fsp_ptr)->ExtHeaderSize; - fsp_ptr = (u8 *)(((u32)fsp_ptr + 7) & 0xFFFFFFF8); - } else { - fsp_ptr = (u8*)ERROR_NO_FV_SIG; - } - - /* Check the FFS GUID */ - if (((u32)fsp_ptr > 0xff) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[0] == 0x912740BE) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[1] == 0x47342284) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[2] == 0xB08471B9) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[3] == 0x0C3F3527)) { - /* Add the FFS Header size to the base to find the Raw section Header */ - fsp_ptr += sizeof(EFI_FFS_FILE_HEADER); - } else { - fsp_ptr = (u8 *)ERROR_NO_FFS_GUID; - } - - if (((u32)fsp_ptr > 0xff) && - ((EFI_RAW_SECTION *)fsp_ptr)->Type == EFI_SECTION_RAW) { - /* Add the Raw Header size to the base to find the FSP INFO Header */ - fsp_ptr += sizeof(EFI_RAW_SECTION); - } else { - fsp_ptr = (u8 *)ERROR_NO_INFO_HEADER; - } - - /* Verify that the FSP is set to the base address we're expecting.*/ - if (((u32)fsp_ptr > 0xff) && - (*(u32*)(fsp_ptr + FSP_IMAGE_BASE_LOC) != CONFIG_FSP_LOC)) { - fsp_ptr = (u8 *)ERROR_IMAGEBASE_MISMATCH; - } - - /* Verify the FSP Signature */ - if (((u32)fsp_ptr > 0xff) && - (*(u32*)(fsp_ptr + FSP_IMAGE_SIG_LOC) != FSP_SIG)){ - fsp_ptr = (u8 *)ERROR_INFO_HEAD_SIG_MISMATCH; - } - - /* Verify the FSP ID */ - if (((u32)fsp_ptr > 0xff) && - ((*(u32 *)(fsp_ptr + FSP_IMAGE_ID_LOC) != FSP_IMAGE_ID_DWORD0) || - (*(u32 *)(fsp_ptr + (FSP_IMAGE_ID_LOC + 4)) != FSP_IMAGE_ID_DWORD1))) { - fsp_ptr = (u8 *)ERROR_FSP_SIG_MISMATCH; - } - - return (fsp_ptr); -} - -/** finds the saved temporary memory information in the FSP HOB list - * - * @param hob_list_ptr pointer to the start of the hob list - * @return pointer to saved CAR MEM or NULL if not found. - */ -void *find_saved_temp_mem(void *hob_list_ptr) -{ - EFI_GUID temp_hob_guid = FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID; - EFI_HOB_GUID_TYPE *saved_mem_hob = - (EFI_HOB_GUID_TYPE *) find_hob_by_guid( - hob_list_ptr, &temp_hob_guid); - - if (saved_mem_hob == NULL) - return NULL; - - return (void *) ((char *) saved_mem_hob + sizeof(EFI_HOB_GUID_TYPE)); -} - -#ifndef FSP_RESERVE_MEMORY_SIZE -/** @brief locates the HOB containing the location of the fsp reserved mem area - * - * @param hob_list_ptr pointer to the start of the hob list - * @return pointer to the start of the FSP reserved memory or NULL if not found. - */ -void *find_fsp_reserved_mem(void *hob_list_ptr) -{ - EFI_GUID fsp_reserved_guid = FSP_HOB_RESOURCE_OWNER_FSP_GUID; - EFI_HOB_RESOURCE_DESCRIPTOR *fsp_reserved_mem = - (EFI_HOB_RESOURCE_DESCRIPTOR *) find_hob_by_guid( - hob_list_ptr, &fsp_reserved_guid); - - if (fsp_reserved_mem == NULL) - return NULL; - - return (void *)((uintptr_t)fsp_reserved_mem->PhysicalStart); -} -#endif /* FSP_RESERVE_MEMORY_SIZE */ - -void print_fsp_info(void) { - - if (fsp_header_ptr == NULL) - fsp_header_ptr = (void *)find_fsp(); - - if ((u32)fsp_header_ptr < 0xff) { - post_code(0x4F); /* post code in case there is no serial */ - die("Can't find the FSP!\n"); - } - - if (FspHobListPtr == NULL) { - FspHobListPtr = (void *)*((u32 *) - cbmem_find(CBMEM_ID_HOB_POINTER)); - } - - printk(BIOS_SPEW,"fsp_header_ptr: %p\n", fsp_header_ptr); - printk(BIOS_INFO,"FSP Header Version: %d\n", fsp_header_ptr->HeaderRevision); - printk(BIOS_INFO,"FSP Revision: %d.%d\n", - (u8)((fsp_header_ptr->ImageRevision >> 8) & 0xff), - (u8)(fsp_header_ptr->ImageRevision & 0xff)); -} - -/** - * Save the FSP memory HOB (mrc data) to the MRC area in CBMEM - */ -static int save_mrc_data(void *hob_start) -{ - u32 *mrc_hob; - u32 *mrc_hob_data; - u32 mrc_hob_size; - struct mrc_data_container *mrc_data; - int output_len; - const EFI_GUID mrc_guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID; - - mrc_hob = GetNextGuidHob(&mrc_guid, hob_start); - if (mrc_hob == NULL){ - printk(BIOS_DEBUG, "Memory Configure Data Hob is not present\n"); - return(0); - } - - mrc_hob_data = GET_GUID_HOB_DATA (mrc_hob); - mrc_hob_size = (u32) GET_HOB_LENGTH(mrc_hob); - - printk(BIOS_DEBUG, "Memory Configure Data Hob at %p (size = 0x%x).\n", - (void *)mrc_hob_data, mrc_hob_size); - - output_len = ALIGN_UP(mrc_hob_size, 16); - - /* Save the MRC S3/fast boot/ADR restore data to cbmem */ - mrc_data = cbmem_add (CBMEM_ID_MRCDATA, - output_len + sizeof(struct mrc_data_container)); - - /* Just return if there was a problem with getting CBMEM */ - if (mrc_data == NULL) { - printk(BIOS_WARNING, "CBMEM was not available to save the fast boot cache data.\n"); - return 0; - } - - printk(BIOS_DEBUG, "Copy FSP MRC DATA to HOB (source addr %p, dest addr %p, %u bytes)\n", - (void *)mrc_hob_data, mrc_data, output_len); - - mrc_data->mrc_signature = MRC_DATA_SIGNATURE; - mrc_data->mrc_data_size = output_len; - mrc_data->reserved = 0; - memcpy(mrc_data->mrc_data, (const void *)mrc_hob_data, mrc_hob_size); - - /* Zero the unused space in aligned buffer. */ - if (output_len > mrc_hob_size) - memset((mrc_data->mrc_data + mrc_hob_size), 0, - output_len - mrc_hob_size); - - mrc_data->mrc_checksum = compute_ip_checksum(mrc_data->mrc_data, - mrc_data->mrc_data_size); - - printk(BIOS_SPEW, "Fast boot data (includes align and checksum):\n"); - hexdump32(BIOS_SPEW, (void *)mrc_data->mrc_data, output_len / 4); - return (1); -} - -static void find_fsp_hob_update_mrc(void *unused) -{ - /* Set the global HOB list pointer */ - FspHobListPtr = (void *)*((u32 *) cbmem_find(CBMEM_ID_HOB_POINTER)); - - if (!FspHobListPtr){ - printk(BIOS_ERR, "ERROR: Could not find FSP HOB pointer in CBFS!\n"); - } else { - /* 0x0000: Print all types */ - print_hob_type_structure(0x000, FspHobListPtr); - } - - if (CONFIG(ENABLE_MRC_CACHE)) { - if (save_mrc_data(FspHobListPtr)) - update_mrc_cache(NULL); - else - printk(BIOS_DEBUG,"Not updating MRC data in flash.\n"); - } -} - -/** @brief Notify FSP for PostPciEnumeration - * - * @param unused - */ -static void fsp_after_pci_enum(void *unused) -{ - /* This call needs to be done before resource allocation. */ - printk(BIOS_DEBUG, "FspNotify(EnumInitPhaseAfterPciEnumeration)\n"); - post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE); - FspNotify(EnumInitPhaseAfterPciEnumeration); - printk(BIOS_DEBUG, - "Returned from FspNotify(EnumInitPhaseAfterPciEnumeration)\n"); -} - -/** @brief Notify FSP for ReadyToBoot - * - * @param unused - */ -static void fsp_finalize(void *unused) -{ - printk(BIOS_DEBUG, "FspNotify(EnumInitPhaseReadyToBoot)\n"); - print_fsp_info(); - post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE); - FspNotify(EnumInitPhaseReadyToBoot); - printk(BIOS_DEBUG, "Returned from FspNotify(EnumInitPhaseReadyToBoot)\n"); -} - - -/* Set up for the ramstage FSP calls */ -BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_EXIT, fsp_after_pci_enum, NULL); -BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, fsp_finalize, NULL); - -/* Update the MRC/fast boot cache as part of the late table writing stage */ -BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY, find_fsp_hob_update_mrc, NULL); |