[coreboot-gerrit] Change in coreboot[master]: src/mainboard/ocp/monolake: Create SMBIOS type 16 for Monolake palatfrom

[Name of user not set (Code Review)]

Name of user not set #1002648 has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36764 )

Change subject: src/mainboard/ocp/monolake: Create SMBIOS type 16 for Monolake palatfrom
......................................................................

src/mainboard/ocp/monolake: Create SMBIOS type 16 for Monolake palatfrom

Create SMBIOS type 16 for Monolake palatfrom, but the ECC setting can`t be
confirmed in FSP, so hardcoded the Memory Error Correction field.

Change-Id: I821f2c9d6833478d4a6676d93832529295cfb53b
Signed-off-by: Morgan Jang 
---
M src/mainboard/ocp/monolake/mainboard.c
1 file changed, 136 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/64/36764/1

diff --git a/src/mainboard/ocp/monolake/mainboard.c b/src/mainboard/ocp/monolake/mainboard.c
index dffd19f..7a4c022 100644
--- a/src/mainboard/ocp/monolake/mainboard.c
+++ b/src/mainboard/ocp/monolake/mainboard.c
@@ -95,3 +95,139 @@
    	 dimm->dimm_num);
    t->bank_locator = smbios_add_string(t->eos, locator);
 }
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 Google Inc.
+ *
+ * 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 <device/device.h>
+#include <pc80/mc146818rtc.h>
+#include <cf9_reset.h>
+#include <smbios.h>
+#include <string.h>
+#include <drivers/vpd/vpd.h>
+#include <console/console.h>
+#include <drivers/ipmi/ipmi_ops.h>
+#include "ipmi.h"
+/* VPD variable for enabling/disabling FRB2 timer. */
+#define FRB2_TIMER "FRB2_TIMER"
+/* VPD variable for setting FRB2 timer countdown value. */
+#define FRB2_COUNTDOWN "FRB2_COUNTDOWN"
+#define VPD_LEN 10
+/* Default countdown is 15 minutes. */
+#define DEFAULT_COUNTDOWN 9000
+#define MAX_IMC  1
+#define MAX_DIMM_SIZE 32 //in GB
+
+static void init_frb2_wdt(void)
+{
+
+	char val[VPD_LEN];
+	/* Enable FRB2 timer by default. */
+	u8 enable = 1;
+	uint16_t countdown;
+
+	if (vpd_get_bool(FRB2_TIMER, VPD_RW, &enable)) {
+		if (!enable) {
+			printk(BIOS_DEBUG, "Disable FRB2 timer\n");
+			ipmi_stop_bmc_wdt(BMC_KCS_BASE);
+		}
+	}
+	if (enable) {
+		if (vpd_gets(FRB2_COUNTDOWN, val, VPD_LEN, VPD_RW)) {
+			countdown = (uint16_t)atol(val);
+			printk(BIOS_DEBUG, "FRB2 timer countdown set to: %d\n",
+				countdown);
+		} else {
+			printk(BIOS_DEBUG, "FRB2 timer use default value: %d\n",
+				DEFAULT_COUNTDOWN);
+			countdown = DEFAULT_COUNTDOWN;
+		}
+		ipmi_init_and_start_bmc_wdt(BMC_KCS_BASE, countdown,
+			TIMEOUT_HARD_RESET);
+	}
+}
+
+#if CONFIG(GENERATE_SMBIOS_TABLES)
+static int write_smbios_type16(struct device *dev, int *handle, unsigned long *current)
+{
+	struct smbios_type16 *t = (struct smbios_type16 *)*current;
+	u32 maximum_capacity;
+	int len = sizeof(struct smbios_type16);
+
+	printk(BIOS_DEBUG, "Create SMBIOS type 16\n");
+
+	memset(t, 0, sizeof(struct smbios_type16));
+	t->type = SMBIOS_PHYS_MEMORY_ARRAY;
+	t->location = MEMORY_ARRAY_LOCATION_SYSTEM_BOARD;
+	t->use = MEMORY_ARRAY_USE_SYSTEM;
+	t->memory_error_correction = MEMORY_ARRAY_ECC_NONE; //The ECC setting can`t be confirmed in FSP, so hardcode it.
+	t->memory_error_information_handle = 0xFFFE;
+	t->number_of_memory_devices = CONFIG_DIMM_MAX/MAX_IMC;
+
+	maximum_capacity = (u32)(CONFIG_DIMM_MAX * MAX_DIMM_SIZE) << 20;
+	if (maximum_capacity >= 0x80000000) {
+		t->maximum_capacity = 0x80000000;
+		t->extended_maximum_capacity = maximum_capacity << 10;
+	} else {
+		t->maximum_capacity = (u32)maximum_capacity;
+		t->extended_maximum_capacity = 0;
+	}
+
+	*current += len;
+	t->handle = *handle;
+	*handle += 1;
+	t->length = len - 2;
+	return len;
+}
+#endif
+
+/*
+ * mainboard_enable is executed as first thing after enumerate_buses().
+ * This is the earliest point to add customization.
+ */
+static void mainboard_enable(struct device *dev)
+{
+	ipmi_oem_rsp_t rsp;
+
+	init_frb2_wdt();
+	if (is_ipmi_clear_cmos_set(&rsp)) {
+		/* TODO: Should also try to restore CMOS to cmos.default
+		 * if USE_OPTION_TABLE is set */
+		cmos_init(1);
+		clear_ipmi_flags(&rsp);
+		system_reset();
+	}
+#if CONFIG(GENERATE_SMBIOS_TABLES)
+	dev->ops->get_smbios_data = write_smbios_type16;
+#endif
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+};
+
+void smbios_fill_dimm_locator(const struct dimm_info *dimm, struct smbios_type17 *t)
+{
+
+	char locator[64] = {0};
+
+	snprintf(locator, sizeof(locator), "DIMM_%c%u", 'A' + dimm->channel_num,
+		 dimm->dimm_num);
+	t->device_locator = smbios_add_string(t->eos, locator);
+
+	snprintf(locator, sizeof(locator), "_Node0_Channel%d_Dimm%d", dimm->channel_num,
+		 dimm->dimm_num);
+	t->bank_locator = smbios_add_string(t->eos, locator);
+}