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mb/prodrive/hermes/eeprom: Add function to read HSI from EEPROM 

Will be used to determine the board revision.

Change-Id: I41e4c6ad83e23c9d79e6abab3f38ad46bd3bec06
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50788
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Patrick Rudolph 2021-02-15 16:41:07 +01:00 committed by Patrick Georgi
parent b67f385b69
commit e75f1807e1
2 changed files with 11 additions and 0 deletions
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10
src/mainboard/prodrive/hermes/eeprom.c
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@ -88,6 +88,16 @@ struct eeprom_bmc_settings *get_bmc_settings(void)
return &bmc_cfg; return &bmc_cfg;
} }
uint8_t get_bmc_hsi(void)
{
uint8_t hsi = 0;
struct eeprom_bmc_settings *s = get_bmc_settings();
if (s)
hsi = s->hsi;
printk(BIOS_DEBUG, "CFG EEPROM: HSI 0x%x\n", hsi);
return hsi;
}
/* Read data from offset and write it to offset in UPD */ /* Read data from offset and write it to offset in UPD */
bool read_write_config(void *blob, size_t read_offset, size_t write_offset, size_t size) bool read_write_config(void *blob, size_t read_offset, size_t write_offset, size_t size)

1
src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h
View File

@ -86,6 +86,7 @@ bool read_write_config(void *blob, size_t read_offset, size_t write_offset, size
int check_signature(const size_t offset, const uint64_t signature); int check_signature(const size_t offset, const uint64_t signature);
struct eeprom_board_settings *get_board_settings(void); struct eeprom_board_settings *get_board_settings(void);
struct eeprom_bmc_settings *get_bmc_settings(void); struct eeprom_bmc_settings *get_bmc_settings(void);
uint8_t get_bmc_hsi(void);
void report_eeprom_error(const size_t off); void report_eeprom_error(const size_t off);
bool write_board_settings(const struct eeprom_board_layout *new_layout); bool write_board_settings(const struct eeprom_board_layout *new_layout);