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board: aspeed: 2700: enable power sequencing only on AC power cycle #60

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Merged
rajaganeshr merged 1 commit into from
Aug 21, 2026
Merged

board: aspeed: 2700: enable power sequencing only on AC power cycle #60

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8 changes: 8 additions & 0 deletions board/aspeed/evb_ast2700/evb_ast2700.c
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Original file line number Diff line number Diff line change
Expand Up @@ -603,8 +603,16 @@ void power_on_hpm(int retry)
int hpm_en_gpio = HPM_EN_GPIO_REV_A;
int hpm_rdy_gpio = HPM_RDY_GPIO_REV_A;
const char *env_val = env_get("EN_HPM_PWR_SEQ");
const char *por_rst_env = env_get("por_rst");
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mahkurap marked this conversation as resolved.
bool env_enabled = (env_val && !strcmp(env_val, "1"));
bool rev_b = is_scm_rev_b();
bool ac_cycle_boot = (por_rst_env && !strcmp(por_rst_env, "true"));

if (!ac_cycle_boot) {
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amd-knieman marked this conversation as resolved.
printf("Skipping HPM power sequence: non-AC-cycle boot (por_rst=%s)\n",
por_rst_env ? por_rst_env : "unset");
return;
}

if (rev_b) {
hpm_rst_gpio = HPM_RST_GPIO_REV_B;
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