diff options
Diffstat (limited to 'src/mainboard/prodrive/hermes/mainboard.c')
| -rw-r--r-- | src/mainboard/prodrive/hermes/mainboard.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/mainboard/prodrive/hermes/mainboard.c b/src/mainboard/prodrive/hermes/mainboard.c index c2f8b63e10..e94a8bc90c 100644 --- a/src/mainboard/prodrive/hermes/mainboard.c +++ b/src/mainboard/prodrive/hermes/mainboard.c @@ -14,6 +14,7 @@ #include <intelblocks/pmclib.h> #include <smbios.h> #include <soc/gpio.h> +#include <soc/pm.h> #include <string.h> #include <types.h> @@ -249,6 +250,31 @@ struct chip_operations mainboard_ops = { .enable_dev = mainboard_enable, }; +static void log_reset_causes(void) +{ + struct chipset_power_state *ps = pmc_get_power_state(); + + if (!ps) { + printk(BIOS_ERR, "chipset_power_state not found!\n"); + return; + } + + union { + struct eeprom_reset_cause_regs regs; + uint8_t raw[sizeof(struct eeprom_reset_cause_regs)]; + } reset_cause = { + .regs = { + .gblrst_cause0 = ps->gblrst_cause[0], + .gblrst_cause1 = ps->gblrst_cause[1], + .hpr_cause0 = ps->hpr_cause0, + }, + }; + + const size_t base = offsetof(struct eeprom_layout, reset_cause_regs); + for (size_t i = 0; i < ARRAY_SIZE(reset_cause.raw); i++) + eeprom_write_byte(reset_cause.raw[i], base + i); +} + /* Must happen before MPinit */ static void mainboard_early(void *unused) { @@ -273,6 +299,8 @@ static void mainboard_early(void *unused) READ_EEPROM_FSP_S((&supd), FspsConfig.TurboMode); config->cpu_turbo_disable = !supd.FspsConfig.TurboMode; } + + log_reset_causes(); } BOOT_STATE_INIT_ENTRY(BS_PRE_DEVICE, BS_ON_EXIT, mainboard_early, NULL); |