diff options
Diffstat (limited to 'src/mainboard/prodrive/hermes')
-rw-r--r-- | src/mainboard/prodrive/hermes/eeprom.c | 11 | ||||
-rw-r--r-- | src/mainboard/prodrive/hermes/ramstage.c | 16 | ||||
-rw-r--r-- | src/mainboard/prodrive/hermes/romstage.c | 18 | ||||
-rw-r--r-- | src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h | 60 |
4 files changed, 56 insertions, 49 deletions
diff --git a/src/mainboard/prodrive/hermes/eeprom.c b/src/mainboard/prodrive/hermes/eeprom.c index bff834036adc..8db63f8fe424 100644 --- a/src/mainboard/prodrive/hermes/eeprom.c +++ b/src/mainboard/prodrive/hermes/eeprom.c @@ -11,8 +11,6 @@ #define I2C_ADDR_EEPROM 0x57 -#define EEPROM_OFFSET_BOARD_SETTINGS 0x1f00 - /* * Check Signature in EEPROM (M24C32-FMN6TP) * If signature is there we assume that that the content is valid @@ -39,7 +37,9 @@ int check_signature(const size_t offset, const uint64_t signature) */ static bool get_board_settings_from_eeprom(struct eeprom_board_settings *board_cfg) { - if (read_write_config(board_cfg, EEPROM_OFFSET_BOARD_SETTINGS, 0, sizeof(*board_cfg))) { + const size_t board_settings_offset = offsetof(struct eeprom_layout, BoardSettings); + + if (read_write_config(board_cfg, board_settings_offset, 0, sizeof(*board_cfg))) { printk(BIOS_ERR, "CFG EEPROM: Failed to read board settings\n"); return false; } @@ -101,3 +101,8 @@ bool read_write_config(void *blob, size_t read_offset, size_t write_offset, size return ret; } + +void report_eeprom_error(const size_t off) +{ + printk(BIOS_ERR, "MB: Failed to read from EEPROM at addr. 0x%zx\n", off); +} diff --git a/src/mainboard/prodrive/hermes/ramstage.c b/src/mainboard/prodrive/hermes/ramstage.c index b879be77952c..917f3b93cfb0 100644 --- a/src/mainboard/prodrive/hermes/ramstage.c +++ b/src/mainboard/prodrive/hermes/ramstage.c @@ -4,10 +4,6 @@ #include <variant/gpio.h> #include "variants/baseboard/include/eeprom.h" -static fsp_params parmas_list[] = { - /* FIXME: Fill with additional options */ -}; - void mainboard_silicon_init_params(FSPS_UPD *supd) { FSP_S_CONFIG *params = &supd->FspsConfig; @@ -19,15 +15,9 @@ void mainboard_silicon_init_params(FSPS_UPD *supd) params->SataLedEnable = 1; /* Overwrite params */ - if (!check_signature(EEPROM_OFFSET_FSP_SIGNATURE, FSP_UPD_SIGNATURE)) + if (!check_signature(offsetof(struct eeprom_layout, supd), FSPS_UPD_SIGNATURE)) return; - for (u8 i = 0; i <= ARRAY_SIZE(parmas_list); i++) { - if (ARRAY_SIZE(parmas_list) == 0) - break; - read_write_config(params, EEPROM_OFFSET_FSP_CONFIG + - parmas_list[i].offset, - EEPROM_OFFSET_FSP_CONFIG + parmas_list[i].offset, - parmas_list[i].size); - } + READ_EEPROM_FSP_S(supd, FspsTestConfig.VtdDisableDeprecated); + READ_EEPROM_FSP_S(supd, FspsConfig.PchPmWolEnableOverride); } diff --git a/src/mainboard/prodrive/hermes/romstage.c b/src/mainboard/prodrive/hermes/romstage.c index 0ba9f451fdb2..1bb8a7f244d4 100644 --- a/src/mainboard/prodrive/hermes/romstage.c +++ b/src/mainboard/prodrive/hermes/romstage.c @@ -5,12 +5,6 @@ #include <variant/variants.h> #include "variants/baseboard/include/eeprom.h" -static fsp_params parmas_list[] = { - GET_VALUE(RMT), - GET_VALUE(HyperThreading), - GET_VALUE(BootFrequency) -}; - void mainboard_memory_init_params(FSPM_UPD *memupd) { memupd->FspmConfig.UserBd = 7; @@ -19,13 +13,11 @@ void mainboard_memory_init_params(FSPM_UPD *memupd) cannonlake_memcfg_init(&memupd->FspmConfig, variant_memcfg_config()); /* Overwrite memupd */ - if (!check_signature(EEPROM_OFFSET_FSP_SIGNATURE, FSP_UPD_SIGNATURE)) + if (!check_signature(offsetof(struct eeprom_layout, mupd), FSPM_UPD_SIGNATURE)) return; - for (size_t i = 0; i < ARRAY_SIZE(parmas_list); i++) { - read_write_config(memupd, EEPROM_OFFSET_FSP_CONFIG + - parmas_list[i].offset, - EEPROM_OFFSET_FSP_CONFIG + parmas_list[i].offset, - parmas_list[i].size); - } + READ_EEPROM_FSP_M(memupd, FspmConfig.RMT); + READ_EEPROM_FSP_M(memupd, FspmConfig.HyperThreading); + READ_EEPROM_FSP_M(memupd, FspmConfig.BootFrequency); + READ_EEPROM_FSP_M(memupd, FspmTestConfig.VtdDisable); } diff --git a/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h b/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h index d5a79cd9f974..cdb5cea1fa2e 100644 --- a/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h +++ b/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h @@ -2,22 +2,6 @@ #include <soc/ramstage.h> -#if ENV_ROMSTAGE -#define FSP_UPD_SIGNATURE FSPM_UPD_SIGNATURE -#define EEPROM_OFFSET_FSP_SIGNATURE 0 -#define EEPROM_OFFSET_FSP_CONFIG 0 - -#define GET_VALUE(x) {.offset = sizeof(FSP_UPD_HEADER) + sizeof(FSPM_ARCH_UPD) \ - + offsetof(FSP_M_CONFIG, x), .size = member_size(FSP_M_CONFIG, x)} -#else - -#define FSP_UPD_SIGNATURE FSPS_UPD_SIGNATURE -#define EEPROM_OFFSET_FSP_SIGNATURE 0x0600 -#define EEPROM_OFFSET_FSP_CONFIG (EEPROM_OFFSET_FSP_SIGNATURE + sizeof(FSP_UPD_HEADER)) -#define GET_VALUE(x) {.offset = offsetof(FSP_S_CONFIG, x), \ - .size = member_size(FSP_S_CONFIG, x)} -#endif /* ENV_ROMSTAGE */ - __packed struct eeprom_board_settings { uint32_t signature; union { @@ -36,11 +20,47 @@ __packed struct eeprom_board_settings { }; }; -typedef struct { - size_t offset; - size_t size; -} fsp_params; +/* The EEPROM on address 0x57 has the following vendor defined layout: */ +__packed struct eeprom_layout { + union { + uint8_t RawFSPMUPD[0x600]; + FSPM_UPD mupd; + }; + union { + uint8_t RawFSPSUPD[0xC00]; + FSPS_UPD supd; + }; + uint8_t BoardLayout[0x400]; + uint8_t BootOrder[0x900]; + union { + uint8_t RawBoardSetting[0x100]; + struct eeprom_board_settings BoardSettings; + }; +}; + +_Static_assert(sizeof(FSPM_UPD) <= 0x600, "FSPM_UPD too big"); +_Static_assert(sizeof(FSPS_UPD) <= 0xC00, "FSPS_UPD too big"); +_Static_assert(sizeof(struct eeprom_layout) == 0x2000, "EEPROM layout size mismatch"); bool read_write_config(void *blob, size_t read_offset, size_t write_offset, size_t size); int check_signature(const size_t offset, const uint64_t signature); struct eeprom_board_settings *get_board_settings(void); +void report_eeprom_error(const size_t off); + +#define READ_EEPROM(section_type, section_name, dest, opt_name) \ + do { \ + typeof(dest->opt_name) __tmp; \ + size_t __off = offsetof(struct eeprom_layout, section_name); \ + bool ret = read_write_config(&__tmp, \ + __off + offsetof(section_type, opt_name), \ + 0, \ + sizeof(__tmp)); \ + if (ret) { \ + report_eeprom_error(__off + offsetof(section_type, opt_name)); \ + } else { \ + dest->opt_name = __tmp; \ + } \ + } while (0) + +#define READ_EEPROM_FSP_M(dest, opt_name) READ_EEPROM(FSPM_UPD, RawFSPMUPD, dest, opt_name) +#define READ_EEPROM_FSP_S(dest, opt_name) READ_EEPROM(FSPS_UPD, RawFSPSUPD, dest, opt_name) |