| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <device/mmio.h> |
| #include <cbmem.h> |
| #include <commonlib/helpers.h> |
| #include <console/console.h> |
| #include <fsp/api.h> |
| #include <fsp/util.h> |
| #include <stdint.h> |
| #include <string.h> |
| |
| #define HOB_HEADER_LEN 8 |
| |
| /* GUIDs in little-endian, so they can be used with memcmp() */ |
| const uint8_t fsp_bootloader_tolum_guid[16] = { |
| 0x56, 0x4f, 0xff, 0x73, 0x8e, 0xaa, 0x51, 0x44, |
| 0xb3, 0x16, 0x36, 0x35, 0x36, 0x67, 0xad, 0x44, |
| }; |
| |
| const uint8_t fsp_reserved_memory_guid[16] = { |
| 0x59, 0x97, 0xa7, 0x69, 0x73, 0x13, 0x67, 0x43, |
| 0xa6, 0xc4, 0xc7, 0xf5, 0x9e, 0xfd, 0x98, 0x6e, |
| }; |
| |
| const uint8_t fsp_nv_storage_guid_2[16] = { |
| 0x8f, 0x78, 0x66, 0x48, 0xa8, 0x6b, 0xd8, 0x47, |
| 0x83, 0x6, 0xac, 0xf7, 0x7f, 0x55, 0x10, 0x46 |
| }; |
| |
| const uint8_t fsp_nv_storage_guid[16] = { |
| 0x02, 0xcf, 0x1a, 0x72, 0x77, 0x4d, 0x2a, 0x4c, |
| 0xb3, 0xdc, 0x27, 0x0b, 0x7b, 0xa9, 0xe4, 0xb0 |
| }; |
| |
| static const uint8_t uuid_fv_info[16] = { |
| 0x2e, 0x72, 0x8e, 0x79, 0xb2, 0x15, 0x13, 0x4e, |
| 0x8a, 0xe9, 0x6b, 0xa3, 0x0f, 0xf7, 0xf1, 0x67 |
| }; |
| |
| /* |
| * Utilities for walking HOBs |
| */ |
| |
| bool fsp_guid_compare(const uint8_t guid1[16], const uint8_t guid2[16]) |
| { |
| return !memcmp(guid1, guid2, 16); |
| } |
| |
| const struct hob_header *fsp_next_hob(const struct hob_header *parent) |
| { |
| union { |
| const struct hob_header *hob; |
| uintptr_t addr; |
| } hob_walker; |
| |
| hob_walker.hob = parent; |
| hob_walker.addr += parent->length; |
| return hob_walker.hob; |
| } |
| |
| static const void *hob_header_to_struct(const struct hob_header *hob) |
| { |
| union { |
| const struct hob_header *hob_hdr; |
| const void *hob_descr; |
| uintptr_t addr; |
| } hob_walker; |
| |
| hob_walker.hob_hdr = hob; |
| hob_walker.addr += HOB_HEADER_LEN; |
| return hob_walker.hob_descr; |
| } |
| |
| static const void *hob_header_to_extension_hob(const struct hob_header *hob) |
| { |
| union { |
| const struct hob_header *hob_hdr; |
| const void *hob_descr; |
| uintptr_t addr; |
| } hob_walker; |
| |
| hob_walker.hob_hdr = hob; |
| hob_walker.addr += HOB_HEADER_LEN + 16; /* header and 16-byte GUID */ |
| return hob_walker.hob_descr; |
| } |
| |
| const |
| struct hob_resource *fsp_hob_header_to_resource(const struct hob_header *hob) |
| { |
| return hob_header_to_struct(hob); |
| } |
| |
| /* |
| * Utilities for locating and identifying HOBs |
| */ |
| |
| static void *fsp_hob_list_ptr; |
| |
| static void save_hob_list(int is_recovery) |
| { |
| uint32_t *cbmem_loc; |
| const void *hob_list; |
| cbmem_loc = cbmem_add(CBMEM_ID_FSP_RUNTIME, sizeof(*cbmem_loc)); |
| if (cbmem_loc == NULL) |
| die("Error: Could not add cbmem area for hob list.\n"); |
| hob_list = fsp_get_hob_list(); |
| if (!hob_list) |
| die("Error: Could not locate hob list pointer.\n"); |
| *cbmem_loc = (uintptr_t)hob_list; |
| } |
| |
| CBMEM_CREATION_HOOK(save_hob_list); |
| |
| const void *fsp_get_hob_list(void) |
| { |
| uint32_t *list_loc; |
| |
| if (ENV_RAMINIT) |
| return fsp_hob_list_ptr; |
| list_loc = cbmem_find(CBMEM_ID_FSP_RUNTIME); |
| return (list_loc) ? (void *)(uintptr_t)(*list_loc) : NULL; |
| } |
| |
| void *fsp_get_hob_list_ptr(void) |
| { |
| return &fsp_hob_list_ptr; |
| } |
| |
| enum cb_err fsp_hob_iterator_init(const struct hob_header **hob_iterator) |
| { |
| *hob_iterator = fsp_get_hob_list(); |
| return *hob_iterator ? CB_SUCCESS : CB_ERR; |
| } |
| |
| static enum cb_err fsp_hob_iterator_get_next(const struct hob_header **hob_iterator, |
| uint16_t hob_type, |
| const struct hob_header **hob) |
| { |
| const struct hob_header *current_hob; |
| while ((*hob_iterator)->type != HOB_TYPE_END_OF_HOB_LIST) { |
| current_hob = *hob_iterator; |
| *hob_iterator = fsp_next_hob(*hob_iterator); |
| if (current_hob->type == hob_type) { |
| *hob = current_hob; |
| return CB_SUCCESS; |
| } |
| } |
| return CB_ERR; |
| } |
| |
| enum cb_err fsp_hob_iterator_get_next_resource(const struct hob_header **hob_iterator, |
| const struct hob_resource **res) |
| { |
| const struct hob_header *hob; |
| while (fsp_hob_iterator_get_next(hob_iterator, HOB_TYPE_RESOURCE_DESCRIPTOR, &hob) == CB_SUCCESS) { |
| *res = fsp_hob_header_to_resource(hob); |
| return CB_SUCCESS; |
| } |
| return CB_ERR; |
| } |
| |
| enum cb_err fsp_hob_iterator_get_next_guid_resource(const struct hob_header **hob_iterator, |
| const uint8_t guid[16], |
| const struct hob_resource **res) |
| { |
| const struct hob_resource *res_hob; |
| while (fsp_hob_iterator_get_next_resource(hob_iterator, &res_hob) == CB_SUCCESS) { |
| if (fsp_guid_compare(res_hob->owner_guid, guid)) { |
| *res = res_hob; |
| return CB_SUCCESS; |
| } |
| } |
| return CB_ERR; |
| } |
| |
| enum cb_err fsp_hob_iterator_get_next_guid_extension(const struct hob_header **hob_iterator, |
| const uint8_t guid[16], |
| const void **data, size_t *size) |
| { |
| const struct hob_header *hob; |
| const uint8_t *guid_hob; |
| while (fsp_hob_iterator_get_next(hob_iterator, HOB_TYPE_GUID_EXTENSION, &hob) == CB_SUCCESS) { |
| guid_hob = hob_header_to_struct(hob); |
| if (fsp_guid_compare(guid_hob, guid)) { |
| *size = hob->length - (HOB_HEADER_LEN + 16); |
| *data = hob_header_to_extension_hob(hob); |
| return CB_SUCCESS; |
| } |
| } |
| return CB_ERR; |
| } |
| |
| static const |
| struct hob_resource *find_resource_hob_by_guid(const struct hob_header *hob, |
| const uint8_t guid[16]) |
| { |
| const struct hob_resource *res; |
| |
| for (; hob->type != HOB_TYPE_END_OF_HOB_LIST; hob = fsp_next_hob(hob)) { |
| if (hob->type != HOB_TYPE_RESOURCE_DESCRIPTOR) |
| continue; |
| |
| res = fsp_hob_header_to_resource(hob); |
| if (fsp_guid_compare(res->owner_guid, guid)) |
| return res; |
| } |
| return NULL; |
| } |
| |
| void fsp_print_guid(const void *base) |
| { |
| uint32_t big; |
| uint16_t mid[2]; |
| |
| const uint8_t *id = base; |
| big = read32(id + 0); |
| mid[0] = read16(id + 4); |
| mid[1] = read16(id + 6); |
| |
| printk(BIOS_SPEW, "%08x-%04x-%04x-%02x%02x%02x%02x%02x%02x%02x%02x", |
| big, mid[0], mid[1], |
| id[8], id[9], id[10], id[11], id[12], id[13], id[14], id[15]); |
| } |
| |
| int fsp_find_range_hob(struct range_entry *re, const uint8_t guid[16]) |
| { |
| const struct hob_resource *fsp_mem; |
| const void *hob_list = fsp_get_hob_list(); |
| |
| if (!hob_list) |
| return -1; |
| |
| range_entry_init(re, 0, 0, 0); |
| |
| fsp_mem = find_resource_hob_by_guid(hob_list, guid); |
| |
| if (!fsp_mem) { |
| fsp_print_guid(guid); |
| printk(BIOS_SPEW, " not found!\n"); |
| return -1; |
| } |
| |
| range_entry_init(re, fsp_mem->addr, fsp_mem->addr + fsp_mem->length, 0); |
| return 0; |
| } |
| |
| void fsp_find_reserved_memory(struct range_entry *re) |
| { |
| if (fsp_find_range_hob(re, fsp_reserved_memory_guid)) |
| die("9.1: FSP_RESERVED_MEMORY_RESOURCE_HOB missing!\n"); |
| } |
| |
| const void *fsp_find_extension_hob_by_guid(const uint8_t *guid, size_t *size) |
| { |
| const uint8_t *hob_guid; |
| const struct hob_header *hob = fsp_get_hob_list(); |
| |
| if (!hob) |
| return NULL; |
| |
| for (; hob->type != HOB_TYPE_END_OF_HOB_LIST; hob = fsp_next_hob(hob)) { |
| if (hob->type != HOB_TYPE_GUID_EXTENSION) |
| continue; |
| |
| hob_guid = hob_header_to_struct(hob); |
| if (fsp_guid_compare(hob_guid, guid)) { |
| *size = hob->length - (HOB_HEADER_LEN + 16); |
| return hob_header_to_extension_hob(hob); |
| } |
| } |
| |
| return NULL; |
| } |
| |
| static void display_fsp_version_info_hob(const void *hob) |
| { |
| #if CONFIG(DISPLAY_FSP_VERSION_INFO) || CONFIG(DISPLAY_FSP_VERSION_INFO_2) |
| |
| int index, cnt, tcount; |
| char *str_ptr; |
| uint8_t vs; |
| #if CONFIG(DISPLAY_FSP_VERSION_INFO) |
| const FIRMWARE_VERSION_INFO *fvi; |
| const FIRMWARE_VERSION_INFO_HOB *fvih = (FIRMWARE_VERSION_INFO_HOB *)hob; |
| |
| fvi = (void *)&fvih[1]; |
| str_ptr = (char *)((uintptr_t)fvi + (fvih->Count * sizeof(FIRMWARE_VERSION_INFO))); |
| tcount = fvih->Count; |
| #elif CONFIG(DISPLAY_FSP_VERSION_INFO_2) |
| |
| uint8_t *hobstart = (uint8_t *) hob; |
| hobstart += sizeof(EFI_HOB_GUID_TYPE); |
| |
| const SMBIOS_TABLE_TYPE_OEM_INTEL_FVI *stfvi = |
| (SMBIOS_TABLE_TYPE_OEM_INTEL_FVI *)hobstart; |
| const INTEL_FIRMWARE_VERSION_INFO *fvi; |
| |
| str_ptr = ((char *) &(stfvi->Fvi[0])) + |
| (stfvi->Count * sizeof(INTEL_FIRMWARE_VERSION_INFO)); |
| tcount = stfvi->Count; |
| fvi = &stfvi->Fvi[0]; |
| #endif |
| |
| for (index = 0; index < tcount; index++) { |
| cnt = strlen(str_ptr); |
| |
| #if CONFIG(DISPLAY_FSP_VERSION_INFO) |
| vs = fvi[index].VersionStringIndex; |
| #elif CONFIG(DISPLAY_FSP_VERSION_INFO_2) |
| vs = fvi[index].VersionString; |
| #endif |
| /* Don't show ingredient name and version if its all 0xFF */ |
| if (fvi[index].Version.MajorVersion == 0xFF && |
| fvi[index].Version.MinorVersion == 0xFF && |
| fvi[index].Version.Revision == 0xFF && |
| fvi[index].Version.BuildNumber == 0xFF && |
| vs == 0) { |
| str_ptr = (char *)((uintptr_t)str_ptr + cnt + sizeof(uint8_t)); |
| continue; |
| } |
| /* |
| * Firmware Version String consist of 2 pieces of information |
| * 1. Component Name: string type data holds FW type name. |
| * 2. Version Information : Either a string type data or |
| * numeric field holds FW version information. |
| */ |
| printk(BIOS_DEBUG, "%s = ", str_ptr); |
| |
| if (!vs) |
| printk(BIOS_DEBUG, "%x.%x.%x.%x\n", |
| fvi[index].Version.MajorVersion, |
| fvi[index].Version.MinorVersion, |
| fvi[index].Version.Revision, |
| fvi[index].Version.BuildNumber); |
| else { |
| str_ptr = (char *)((uintptr_t)str_ptr + cnt + sizeof(uint8_t)); |
| cnt = strlen(str_ptr); |
| printk(BIOS_DEBUG, "%s\n", str_ptr); |
| } |
| str_ptr = (char *)((uintptr_t)str_ptr + cnt + sizeof(uint8_t)); |
| } |
| #endif |
| } |
| |
| void fsp_display_fvi_version_hob(void) |
| { |
| const uint8_t *hob_uuid; |
| const struct hob_header *hob = fsp_get_hob_list(); |
| |
| if (!hob) |
| return; |
| |
| printk(BIOS_DEBUG, "Display FSP Version Info HOB\n"); |
| for (; hob->type != HOB_TYPE_END_OF_HOB_LIST; hob = fsp_next_hob(hob)) { |
| if (hob->type != HOB_TYPE_GUID_EXTENSION) |
| continue; |
| |
| hob_uuid = hob_header_to_struct(hob); |
| |
| if (fsp_guid_compare(hob_uuid, uuid_fv_info)) { |
| display_fsp_version_info_hob(hob); |
| } |
| } |
| } |
| |
| const void *fsp_find_nv_storage_data(size_t *size) |
| { |
| if (CONFIG(PLATFORM_USES_FSP2_3)) { |
| const struct fsp_nvs_hob2_data_region_header *hob; |
| |
| hob = (const struct fsp_nvs_hob2_data_region_header *) |
| fsp_find_extension_hob_by_guid(fsp_nv_storage_guid_2, size); |
| if (hob != NULL) { |
| *size = hob->nvs_data_length; |
| return (void *)(uintptr_t)hob->nvs_data_ptr; |
| } |
| } |
| return fsp_find_extension_hob_by_guid(fsp_nv_storage_guid, size); |
| } |
| |
| void fsp_find_bootloader_tolum(struct range_entry *re) |
| { |
| if (fsp_find_range_hob(re, fsp_bootloader_tolum_guid)) |
| die("9.3: FSP_BOOTLOADER_TOLUM_HOB missing!\n"); |
| } |