diff options
author | Johnny Lin <johnny_lin@wiwynn.com> | 2019-08-13 15:36:23 +0800 |
---|---|---|
committer | Andrey Petrov <andrey.petrov@gmail.com> | 2019-08-20 18:18:34 +0000 |
commit | 64d8b9decf8fe51e13ef5e5e89c71682f1696608 (patch) | |
tree | 572183771d748af8f46293f1c0c97a878f490547 /src/mainboard/ocp/monolake/ipmi.c | |
parent | a4542990f4cd5d9a18e8b0846b54fcfe5cbd01e5 (diff) | |
download | coreboot-64d8b9decf8fe51e13ef5e5e89c71682f1696608.tar.xz |
mb/ocp/monolake: Add IPMI CMOS clear support
coreboot would clear CMOS by request via IPMI command, for example
BMC can issue "bios-util server --boot_order enable --clear_CMOS"
to set the request and reboot the system, then coreboot would clear CMOS
on the next boot.
Tested on Mono Lake
Change-Id: I21d44557896680cfac3c3b6d83e07b755b242cad
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34857
Reviewed-by: Johnny Lin
Reviewed-by: Andrey Petrov <andrey.petrov@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/ocp/monolake/ipmi.c')
-rw-r--r-- | src/mainboard/ocp/monolake/ipmi.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/mainboard/ocp/monolake/ipmi.c b/src/mainboard/ocp/monolake/ipmi.c new file mode 100644 index 0000000000..37aacc842e --- /dev/null +++ b/src/mainboard/ocp/monolake/ipmi.c @@ -0,0 +1,80 @@ +/* + * 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" + +#define BMC_KCS_BASE 0xca2 + +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"); +} |