src/mainboard/ocp/tiogapass/ipmi.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <console/console.h>
   4 #include <drivers/ipmi/ipmi_if.h>
   5 #include <drivers/ipmi/ipmi_ops.h>
   6 #include <drivers/ipmi/ocp/ipmi_ocp.h>
   7 #include <drivers/vpd/vpd.h>
   8 #include <string.h>
   9
  10 #include "ipmi.h"
  11 #include "vpd.h"
  12
  13 void init_frb2_wdt(void)
  14 {
  15         char val[VPD_LEN];
  16         /* Enable FRB2 timer by default. */
  17         u8 enable = 1;
  18         uint16_t countdown;
  19
  20         if (vpd_get_bool(FRB2_TIMER, VPD_RW_THEN_RO, &enable)) {
  21                 if (!enable) {
  22                         printk(BIOS_DEBUG, "Disable FRB2 timer\n");
  23                         ipmi_stop_bmc_wdt(CONFIG_BMC_KCS_BASE);
  24                         return;
  25                 }
  26         }
  27         if (enable) {
  28                 if (vpd_gets(FRB2_COUNTDOWN, val, VPD_LEN, VPD_RW_THEN_RO)) {
  29                         countdown = (uint16_t)atol(val);
  30                         printk(BIOS_DEBUG, "FRB2 timer countdown set to: %d ms\n",
  31                                 countdown * 100);
  32                 } else {
  33                         printk(BIOS_DEBUG, "FRB2 timer use default value: %d ms\n",
  34                                 DEFAULT_COUNTDOWN * 100);
  35                         countdown = DEFAULT_COUNTDOWN;
  36                 }
  37                 ipmi_init_and_start_bmc_wdt(CONFIG_BMC_KCS_BASE, countdown,
  38                         TIMEOUT_HARD_RESET);
  39         }
  40 }