From 4038a7f631dce05aa184184a225a49bc7723aed0 Mon Sep 17 00:00:00 2001
From: Damien Zammit <damien@zamaudio.com>
Date: Mon, 20 Apr 2015 16:53:36 +1000
Subject: gigabyte/ga-b75m-d3v: Add GIGABYTE GA-B75M-D3V mainboard

Board boots to linux.  VGA works with rom.

Change-Id: I96b73a90c3d88672f0d238f4b735cd2f96ef99bd
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: http://review.coreboot.org/9803
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
---
 src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c

(limited to 'src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c')

diff --git a/src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c b/src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c
new file mode 100644
index 0000000000..35702f0879
--- /dev/null
+++ b/src/mainboard/gigabyte/ga-b75m-d3v/mainboard_smi.c
@@ -0,0 +1,94 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ * Copyright (C) 2014 Vladimir Serbinenko
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <pc80/mc146818rtc.h>
+#include <delay.h>
+#include <southbridge/intel/bd82x6x/nvs.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+#include <southbridge/intel/bd82x6x/me.h>
+#include <northbridge/intel/sandybridge/sandybridge.h>
+#include <cpu/intel/model_206ax/model_206ax.h>
+
+/* The southbridge SMI handler checks whether gnvs has a
+ * valid pointer before calling the trap handler
+ */
+extern global_nvs_t *gnvs;
+
+static void mainboard_smm_init(void)
+{
+	printk(BIOS_DEBUG, "initializing SMI\n");
+}
+
+int mainboard_io_trap_handler(int smif)
+{
+	static int smm_initialized;
+
+	if (!smm_initialized) {
+		mainboard_smm_init();
+		smm_initialized = 1;
+	}
+
+	/* On success, the IO Trap Handler returns 1
+	 * On failure, the IO Trap Handler returns a value != 1 */
+	return 1;
+}
+
+static int mainboard_finalized = 0;
+
+int mainboard_smi_apmc(u8 data)
+{
+	u16 pmbase = pci_read_config16(PCI_DEV(0, 0x1f, 0), 0x40) & 0xfffc;
+
+	printk(BIOS_DEBUG, "%s: pmbase %04X, data %02X\n", __func__, pmbase,
+	       data);
+
+	if (!pmbase)
+		return 0;
+
+	switch (data) {
+	case APM_CNT_ACPI_ENABLE:
+		break;
+	case APM_CNT_ACPI_DISABLE:
+		break;
+	case APM_CNT_FINALIZE:
+		printk(BIOS_DEBUG, "APMC: FINALIZE\n");
+		if (mainboard_finalized) {
+			printk(BIOS_DEBUG, "APMC#: Already finalized\n");
+			return 0;
+		}
+
+		intel_me_finalize_smm();
+		intel_pch_finalize_smm();
+		intel_sandybridge_finalize_smm();
+		intel_model_206ax_finalize_smm();
+
+		mainboard_finalized = 1;
+		break;
+
+	default:
+		break;
+	}
+	return 0;
+}
-- 
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