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/*
* 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 <stdint.h>
#include <drivers/ipmi/ipmi_kcs.h>
#include <console/console.h>
#include "ipmi.h"
int is_ipmi_clear_cmos_set(ipmi_oem_rsp_t *rsp)
{
int ret;
ipmi_oem_req_t req;
if (rsp == NULL) {
printk(BIOS_ERR, "%s failed, null pointer parameter\n",
__func__);
return 0;
}
/* IPMI OEM get bios boot order command to check if the valid bit and
the CMOS clear bit are both set from the response BootMode byte. */
ret = ipmi_kcs_message(BMC_KCS_BASE, IPMI_NETFN_OEM, 0x0,
IPMI_OEM_GET_BIOS_BOOT_ORDER,
(const unsigned char *) &req, sizeof(ipmi_oem_req_t),
(unsigned char *) rsp, sizeof(ipmi_oem_rsp_t));
if (ret < sizeof(struct ipmi_rsp) || rsp->CompletionCode) {
printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
__func__, ret, rsp->CompletionCode);
return 0;
}
if (GET_VALID_BIT(rsp->Data.BootMode) && GET_CMOS_BIT(rsp->Data.BootMode)) {
printk(BIOS_INFO, "IPMI CMOS clear requested\n");
return 1;
}
printk(BIOS_DEBUG, "IPMI CMOS clear is not set\n");
return 0;
}
void clear_ipmi_flags(ipmi_oem_rsp_t *rsp_get)
{
int ret;
ipmi_oem_req_t req;
struct ipmi_rsp rsp;
if (rsp_get == NULL) {
printk(BIOS_ERR, "%s failed, null pointer parameter\n",
__func__);
return;
}
req = rsp_get->Data;
CLEAR_CMOS_AND_VALID_BIT(req.BootMode);
ret = ipmi_kcs_message(BMC_KCS_BASE, IPMI_NETFN_OEM, 0x0,
IPMI_OEM_SET_BIOS_BOOT_ORDER,
(const unsigned char *) &req, sizeof(ipmi_oem_req_t),
(unsigned char *) &rsp, sizeof(rsp));
if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) {
printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
__func__, ret, rsp.completion_code);
return;
}
printk(BIOS_INFO, "clear IPMI flags done\n");
}
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