diff options
Diffstat (limited to 'src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h')
-rw-r--r-- | src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h b/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h new file mode 100644 index 0000000000..c41ead28ab --- /dev/null +++ b/src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h @@ -0,0 +1,33 @@ +/* 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); |