diff options
author | Johnny Lin <johnny_lin@wiwynn.com> | 2019-10-21 09:54:36 +0800 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2019-10-24 15:47:40 +0000 |
commit | f4abe51b74a593962c72bbecd3ff1d95a81c82d6 (patch) | |
tree | 8c5d6dcfef0e559f9874567c7dab219e66e2e2d2 /src/drivers/ipmi/ipmi_ops.h | |
parent | 5c18db1ca81b4273b76dcef5e7e22a33efd18dd8 (diff) | |
download | coreboot-f4abe51b74a593962c72bbecd3ff1d95a81c82d6.tar.xz |
drivers/ipmi: Add IPMI BMC FRB2 watchdog timer support
Add a function for initializing and starting FRB2 timer with the
provided countdown and action values, and a stop function for
stopping the timer.
Tested on OCP Monolake.
Change-Id: Ic91905e5f01b962473b6b3a9616266d2d95b1d6b
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36179
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/drivers/ipmi/ipmi_ops.h')
-rw-r--r-- | src/drivers/ipmi/ipmi_ops.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/drivers/ipmi/ipmi_ops.h b/src/drivers/ipmi/ipmi_ops.h new file mode 100644 index 0000000000..f293075e90 --- /dev/null +++ b/src/drivers/ipmi/ipmi_ops.h @@ -0,0 +1,57 @@ +#ifndef __IPMI_OPS_H +#define __IPMI_OPS_H +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2019 Wiwynn Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <types.h> +#include "ipmi_kcs.h" +#define IPMI_BMC_RESET_WDG_TIMER 0x22 +#define IPMI_BMC_SET_WDG_TIMER 0x24 +#define IPMI_BMC_GET_WDG_TIMER 0x25 + +/* BMC watchdog timeout action */ +enum ipmi_bmc_timeout_action_type { + TIMEOUT_NO_ACTION = 0x00, + TIMEOUT_HARD_RESET = 0x01, + TIMEOUT_POWER_DOWN = 0x02, + TIMEOUT_POWER_CYCLE = 0x03, +}; +/* BMC Watchdog timer */ +struct ipmi_wdt_req { + uint8_t timer_use; + uint8_t timer_actions; + uint8_t pretimeout_interval; + uint8_t timer_use_expiration_flags_clr; + uint16_t initial_countdown_val; +} __packed; + +struct ipmi_wdt_rsp { + struct ipmi_rsp resp; + struct ipmi_wdt_req data; + uint16_t present_countdown_val; +} __packed; + +/* + * Initialize and start BMC FRB2 watchdog timer with the + * provided timer countdown and action values. + * Returns CB_SUCCESS on success and CB_ERR if an error occurred + */ +enum cb_err ipmi_init_and_start_bmc_wdt(const int port, uint16_t countdown, + uint8_t action); +/* Returns CB_SUCCESS on success and CB_ERR if an error occurred */ +enum cb_err ipmi_stop_bmc_wdt(const int port); + +#endif |