Change in coreboot[master]: google/kahlee: Add ChromeOS SMBIOS Board ID

[Marc Jones (Code Review)]

Marc Jones has uploaded a new change for review. ( https://review.coreboot.org/19837 )

Change subject: google/kahlee: Add ChromeOS SMBIOS Board ID
......................................................................

google/kahlee: Add ChromeOS SMBIOS Board ID

Kahlee uses 3 GPIO(144, 140, 135) pins to identify the
board revision.

Change-Id: Ia9693db6d6506af7ff40db0b3ce4cc6c1469f6ef
Signed-off-by: Marc Jones 
---
M src/mainboard/google/kahlee/Kconfig
M src/mainboard/google/kahlee/Makefile.inc
A src/mainboard/google/kahlee/boardid.c
3 files changed, 36 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/37/19837/1

diff --git a/src/mainboard/google/kahlee/Kconfig b/src/mainboard/google/kahlee/Kconfig
index 1d49972..7f56909 100644
--- a/src/mainboard/google/kahlee/Kconfig
+++ b/src/mainboard/google/kahlee/Kconfig
@@ -21,6 +21,8 @@
    select BOARD_ROMSIZE_KB_8192
    select EC_GOOGLE_CHROMEEC
    select EC_GOOGLE_CHROMEEC_LPC
+	select GFXUMA
+	select GOOGLE_SMBIOS_MAINBOARD_VERSION	
    select HAVE_OPTION_TABLE
    select HAVE_PIRQ_TABLE
    select HAVE_MP_TABLE
diff --git a/src/mainboard/google/kahlee/Makefile.inc b/src/mainboard/google/kahlee/Makefile.inc
index f21b0b6..7aa6e4a 100644
--- a/src/mainboard/google/kahlee/Makefile.inc
+++ b/src/mainboard/google/kahlee/Makefile.inc
@@ -19,10 +19,12 @@
 bootblock-y += OemCustomize.c

romstage-y += BiosCallOuts.c
+romstage-y += boardid.c
 romstage-y += chromeos.c
 romstage-y += OemCustomize.c

ramstage-y += BiosCallOuts.c
+ramstage-y += boardid.c
 ramstage-y += chromeos.c
 ramstage-y += ec.c
 ramstage-y += OemCustomize.c
diff --git a/src/mainboard/google/kahlee/boardid.c b/src/mainboard/google/kahlee/boardid.c
new file mode 100644
index 0000000..00c092c
--- /dev/null
+++ b/src/mainboard/google/kahlee/boardid.c
@@ -0,0 +1,32 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Advanced Micro Devices, 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 <boardid.h>
+#include <console/console.h>
+#include <soc/gpio.h>
+
+uint8_t board_id(void)
+{
+	static int id = -1;
+
+	if (id < 0) {
+		id = gpio_get(GPIO_135) << 0 |
+		     gpio_get(GPIO_140) << 1 |
+		     gpio_get(GPIO_144) << 2;
+		printk(BIOS_SPEW, "Board ID: %#x.\n", id);
+	}
+
+	return id;
+}