| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <soc/ramstage.h> |
| |
| #define HOSTC 0x40 |
| #define SMBUS_IO_BASE 0xefa0 |
| #define HOSTC_I2C_EN (1 << 2) |
| #define I2C_ADDR_EEPROM 0x57 |
| |
| #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 |
| |
| typedef struct { |
| size_t offset; |
| size_t size; |
| } fsp_params; |
| |
| bool read_write_config(u8 addr, void *blob, size_t read_offset, size_t write_offset, |
| size_t size); |
| int check_signature(u8 addr); |