| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC. |
| * Copyright (C) 2015 Intel Corp. |
| * |
| * 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 <bootstate.h> |
| #include <cbmem.h> |
| #include <console/console.h> |
| #include <fsp/util.h> |
| #include <timestamp.h> |
| |
| /* Locate the FSP binary in the coreboot filesystem */ |
| FSP_INFO_HEADER *find_fsp(uintptr_t fsp_base_address) |
| { |
| union { |
| EFI_FFS_FILE_HEADER *ffh; |
| FSP_INFO_HEADER *fih; |
| EFI_FIRMWARE_VOLUME_EXT_HEADER *fveh; |
| EFI_FIRMWARE_VOLUME_HEADER *fvh; |
| EFI_RAW_SECTION *rs; |
| u32 u32; |
| } fsp_ptr; |
| static const union { |
| char str_id[8]; |
| u32 int_id[2]; |
| } fsp_id = { |
| .str_id = CONFIG_FSP_IMAGE_ID_STRING |
| }; |
| |
| u32 *image_id; |
| |
| /* Get the FSP binary base address in CBFS */ |
| fsp_ptr.u32 = fsp_base_address; |
| |
| /* Check the FV signature, _FVH */ |
| if (fsp_ptr.fvh->Signature != 0x4856465F) { |
| return (FSP_INFO_HEADER *)ERROR_NO_FV_SIG; |
| } |
| |
| /* Locate the file header which follows the FV header. */ |
| fsp_ptr.u32 += fsp_ptr.fvh->ExtHeaderOffset; |
| fsp_ptr.u32 += fsp_ptr.fveh->ExtHeaderSize; |
| fsp_ptr.u32 = ALIGN_UP(fsp_ptr.u32, 8); |
| |
| /* Check the FFS GUID */ |
| if ((((u32 *)&fsp_ptr.ffh->Name)[0] != 0x912740BE) |
| || (((u32 *)&fsp_ptr.ffh->Name)[1] != 0x47342284) |
| || (((u32 *)&fsp_ptr.ffh->Name)[2] != 0xB08471B9) |
| || (((u32 *)&fsp_ptr.ffh->Name)[3] != 0x0C3F3527)) { |
| return (FSP_INFO_HEADER *)ERROR_NO_FFS_GUID; |
| } |
| |
| /* Locate the Raw Section Header */ |
| fsp_ptr.u32 += sizeof(EFI_FFS_FILE_HEADER); |
| |
| if (fsp_ptr.rs->Type != EFI_SECTION_RAW) { |
| return (FSP_INFO_HEADER *)ERROR_NO_INFO_HEADER; |
| } |
| |
| /* Locate the FSP INFO Header which follows the Raw Header. */ |
| fsp_ptr.u32 += sizeof(EFI_RAW_SECTION); |
| |
| /* Verify that the FSP base address.*/ |
| if (fsp_ptr.fih->ImageBase != fsp_base_address) { |
| return (FSP_INFO_HEADER *)ERROR_IMAGEBASE_MISMATCH; |
| } |
| |
| /* Verify the FSP Signature */ |
| if (fsp_ptr.fih->Signature != FSP_SIG) { |
| return (FSP_INFO_HEADER *)ERROR_INFO_HEAD_SIG_MISMATCH; |
| } |
| |
| /* Verify the FSP ID */ |
| image_id = (u32 *)&fsp_ptr.fih->ImageId[0]; |
| if ((image_id[0] != fsp_id.int_id[0]) |
| || (image_id[1] != fsp_id.int_id[1])) |
| return (FSP_INFO_HEADER *)ERROR_FSP_SIG_MISMATCH; |
| |
| return fsp_ptr.fih; |
| } |
| |
| void print_fsp_info(FSP_INFO_HEADER *fsp_header) |
| { |
| u8 *fsp_base; |
| |
| fsp_base = (u8 *)fsp_header->ImageBase; |
| printk(BIOS_SPEW, "FSP_INFO_HEADER: %p\n", fsp_header); |
| printk(BIOS_INFO, "FSP Signature: %c%c%c%c%c%c%c%c\n", |
| fsp_header->ImageId[0], fsp_header->ImageId[1], |
| fsp_header->ImageId[2], fsp_header->ImageId[3], |
| fsp_header->ImageId[4], fsp_header->ImageId[5], |
| fsp_header->ImageId[6], fsp_header->ImageId[7]); |
| printk(BIOS_INFO, "FSP Header Version: %d\n", |
| fsp_header->HeaderRevision); |
| printk(BIOS_INFO, "FSP Revision: %d.%d.%d.%d\n", |
| (u8)((fsp_header->ImageRevision >> 24) & 0xff), |
| (u8)((fsp_header->ImageRevision >> 16) & 0xff), |
| (u8)((fsp_header->ImageRevision >> 8) & 0xff), |
| (u8)(fsp_header->ImageRevision & 0xff)); |
| #if IS_ENABLED(CONFIG_DISPLAY_FSP_ENTRY_POINTS) |
| printk(BIOS_SPEW, "FSP Entry Points:\n"); |
| printk(BIOS_SPEW, " 0x%p: Image Base\n", fsp_base); |
| printk(BIOS_SPEW, " 0x%p: TempRamInit\n", |
| &fsp_base[fsp_header->TempRamInitEntryOffset]); |
| printk(BIOS_SPEW, " 0x%p: FspInit\n", |
| &fsp_base[fsp_header->FspInitEntryOffset]); |
| if (fsp_header->HeaderRevision >= FSP_HEADER_REVISION_2) { |
| printk(BIOS_SPEW, " 0x%p: MemoryInit\n", |
| &fsp_base[fsp_header->FspMemoryInitEntryOffset]); |
| printk(BIOS_SPEW, " 0x%p: TempRamExit\n", |
| &fsp_base[fsp_header->TempRamExitEntryOffset]); |
| printk(BIOS_SPEW, " 0x%p: SiliconInit\n", |
| &fsp_base[fsp_header->FspSiliconInitEntryOffset]); |
| } |
| printk(BIOS_SPEW, " 0x%p: NotifyPhase\n", |
| &fsp_base[fsp_header->NotifyPhaseEntryOffset]); |
| printk(BIOS_SPEW, " 0x%p: Image End\n", |
| &fsp_base[fsp_header->ImageSize]); |
| #endif |
| } |
| |
| void fsp_notify(u32 phase) |
| { |
| FSP_NOTIFY_PHASE notify_phase_proc; |
| NOTIFY_PHASE_PARAMS notify_phase_params; |
| EFI_STATUS status; |
| FSP_INFO_HEADER *fsp_header_ptr; |
| |
| fsp_header_ptr = fsp_get_fih(); |
| if (fsp_header_ptr == NULL) { |
| fsp_header_ptr = (void *)find_fsp(CONFIG_FSP_LOC); |
| if ((u32)fsp_header_ptr < 0xff) { |
| /* output something in case there is no serial */ |
| post_code(0x4F); |
| die("Can't find the FSP!\n"); |
| } |
| } |
| |
| /* call FSP PEI to Notify PostPciEnumeration */ |
| notify_phase_proc = (FSP_NOTIFY_PHASE)(fsp_header_ptr->ImageBase + |
| fsp_header_ptr->NotifyPhaseEntryOffset); |
| notify_phase_params.Phase = phase; |
| |
| if (phase == EnumInitPhaseReadyToBoot) { |
| timestamp_add_now(TS_FSP_BEFORE_FINALIZE); |
| post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE); |
| } else { |
| timestamp_add_now(TS_FSP_BEFORE_ENUMERATE); |
| post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE); |
| } |
| |
| status = notify_phase_proc(¬ify_phase_params); |
| |
| 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); |
| } |
| |
| static void fsp_notify_boot_state_callback(void *arg) |
| { |
| u32 phase = (u32)arg; |
| |
| printk(BIOS_SPEW, "Calling FspNotify(0x%08x)\n", phase); |
| fsp_notify(phase); |
| } |
| |
| BOOT_STATE_INIT_ENTRY(BS_DEV_RESOURCES, BS_ON_EXIT, |
| fsp_notify_boot_state_callback, |
| (void *)EnumInitPhaseAfterPciEnumeration); |
| BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, |
| fsp_notify_boot_state_callback, |
| (void *)EnumInitPhaseReadyToBoot); |
| BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, |
| fsp_notify_boot_state_callback, |
| (void *)EnumInitPhaseReadyToBoot); |
| |
| struct fsp_runtime { |
| uint32_t fih; |
| uint32_t hob_list; |
| } __attribute__((packed)); |
| |
| |
| void fsp_set_runtime(FSP_INFO_HEADER *fih, void *hob_list) |
| { |
| struct fsp_runtime *fspr; |
| |
| fspr = cbmem_add(CBMEM_ID_FSP_RUNTIME, sizeof(*fspr)); |
| |
| if (fspr == NULL) |
| die("Can't save FSP runtime information.\n"); |
| |
| fspr->fih = (uintptr_t)fih; |
| fspr->hob_list = (uintptr_t)hob_list; |
| } |
| |
| FSP_INFO_HEADER *fsp_get_fih(void) |
| { |
| struct fsp_runtime *fspr; |
| |
| fspr = cbmem_find(CBMEM_ID_FSP_RUNTIME); |
| |
| if (fspr == NULL) |
| return NULL; |
| |
| return (void *)(uintptr_t)fspr->fih; |
| } |
| |
| void *fsp_get_hob_list(void) |
| { |
| struct fsp_runtime *fspr; |
| |
| fspr = cbmem_find(CBMEM_ID_FSP_RUNTIME); |
| |
| if (fspr == NULL) |
| return NULL; |
| |
| return (void *)(uintptr_t)fspr->hob_list; |
| } |
| |
| void fsp_update_fih(FSP_INFO_HEADER *fih) |
| { |
| struct fsp_runtime *fspr; |
| |
| fspr = cbmem_find(CBMEM_ID_FSP_RUNTIME); |
| |
| if (fspr == NULL) |
| die("Can't update FSP runtime information.\n"); |
| |
| fspr->fih = (uintptr_t)fih; |
| } |
| |
| void fsp_display_upd_value(const char *name, uint32_t size, uint64_t old, |
| uint64_t new) |
| { |
| if (old == new) { |
| switch (size) { |
| case 1: |
| printk(BIOS_SPEW, " 0x%02llx: %s\n", new, name); |
| break; |
| |
| case 2: |
| printk(BIOS_SPEW, " 0x%04llx: %s\n", new, name); |
| break; |
| |
| case 4: |
| printk(BIOS_SPEW, " 0x%08llx: %s\n", new, name); |
| break; |
| |
| case 8: |
| printk(BIOS_SPEW, " 0x%016llx: %s\n", new, name); |
| break; |
| } |
| } else { |
| switch (size) { |
| case 1: |
| printk(BIOS_SPEW, " 0x%02llx --> 0x%02llx: %s\n", old, |
| new, name); |
| break; |
| |
| case 2: |
| printk(BIOS_SPEW, " 0x%04llx --> 0x%04llx: %s\n", old, |
| new, name); |
| break; |
| |
| case 4: |
| printk(BIOS_SPEW, " 0x%08llx --> 0x%08llx: %s\n", old, |
| new, name); |
| break; |
| |
| case 8: |
| printk(BIOS_SPEW, " 0x%016llx --> 0x%016llx: %s\n", |
| old, new, name); |
| break; |
| } |
| } |
| } |