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-rw-r--r--src/mainboard/google/oak/Kconfig1
-rw-r--r--src/mainboard/google/oak/Makefile.inc3
-rw-r--r--src/mainboard/google/oak/boardid.c60
-rw-r--r--src/mainboard/google/oak/gpio.h9
4 files changed, 73 insertions, 0 deletions
diff --git a/src/mainboard/google/oak/Kconfig b/src/mainboard/google/oak/Kconfig
index a7904caf12..e45fb4c72c 100644
--- a/src/mainboard/google/oak/Kconfig
+++ b/src/mainboard/google/oak/Kconfig
@@ -22,6 +22,7 @@ if BOARD_GOOGLE_OAK
config BOARD_SPECIFIC_OPTIONS
def_bool y
select SOC_MEDIATEK_MT8173
+ select BOARD_ID_AUTO
select CHROMEOS_VBNV_EC
select EC_GOOGLE_CHROMEEC
select EC_GOOGLE_CHROMEEC_SPI
diff --git a/src/mainboard/google/oak/Makefile.inc b/src/mainboard/google/oak/Makefile.inc
index dbfc1dbb30..dca67db1c2 100644
--- a/src/mainboard/google/oak/Makefile.inc
+++ b/src/mainboard/google/oak/Makefile.inc
@@ -20,12 +20,15 @@
bootblock-y += bootblock.c
bootblock-y += memlayout.ld
bootblock-y += chromeos.c
+bootblock-y += boardid.c
romstage-y += chromeos.c
romstage-y += romstage.c
romstage-y += memlayout.ld
+romstage-y += boardid.c
ramstage-y += mainboard.c
ramstage-y += chromeos.c
ramstage-y += memlayout.ld
+ramstage-y += boardid.c
diff --git a/src/mainboard/google/oak/boardid.c b/src/mainboard/google/oak/boardid.c
new file mode 100644
index 0000000000..fe5ad0a2cc
--- /dev/null
+++ b/src/mainboard/google/oak/boardid.c
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek 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.
+ *
+ * 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 <boardid.h>
+#include <gpio.h>
+#include <console/console.h>
+#include <stdlib.h>
+#include "gpio.h"
+
+static int board_id_value = -1;
+
+static uint8_t get_board_id(void)
+{
+ uint8_t bid = 0;
+ static gpio_t pins[] = {[2] = BOARD_ID_2, [1] = BOARD_ID_1,
+ [0] = BOARD_ID_0};
+
+ bid = gpio_base2_value(pins, ARRAY_SIZE(pins));
+
+ printk(BIOS_INFO, "Board ID %d\n", bid);
+
+ return bid;
+}
+
+uint8_t board_id(void)
+{
+ if (board_id_value < 0)
+ board_id_value = get_board_id();
+
+ return board_id_value;
+}
+
+uint32_t ram_code(void)
+{
+ uint32_t code;
+ static gpio_t pins[] = {[3] = RAM_ID_3, [2] = RAM_ID_2, [1] = RAM_ID_1,
+ [0] = RAM_ID_0};
+
+ code = gpio_base2_value(pins, ARRAY_SIZE(pins));
+
+ printk(BIOS_INFO, "RAM Config: %u\n", code);
+
+ return code;
+}
diff --git a/src/mainboard/google/oak/gpio.h b/src/mainboard/google/oak/gpio.h
index d319749b8f..e07c9e321a 100644
--- a/src/mainboard/google/oak/gpio.h
+++ b/src/mainboard/google/oak/gpio.h
@@ -23,6 +23,15 @@
enum {
LID = PAD_EINT12,
+ /* Board ID related GPIOS. */
+ BOARD_ID_0 = PAD_RDN3_A,
+ BOARD_ID_1 = PAD_RDP3_A,
+ BOARD_ID_2 = PAD_RDN2_A,
+ /* RAM ID related GPIOS. */
+ RAM_ID_0 = PAD_RDP2_A,
+ RAM_ID_1 = PAD_RCN_A,
+ RAM_ID_2 = PAD_RCP_A,
+ RAM_ID_3 = PAD_RDN1_A,
/* Write Protect */
WRITE_PROTECT = PAD_EINT4,
/* Power button */