From 9c10a3074ef834688fea46c03551c2e3e54e44a8 Mon Sep 17 00:00:00 2001
From: Gabe Black <gabeblack@google.com>
Date: Thu, 10 Oct 2013 03:46:14 -0700
Subject: [PATCH] nyan: Initialize the i2c pins and controllers.

Set up the i2c controllers that are used on nyan.

BUG=None
TEST=Built and booted into the bootblock on nyan.
BRANCH=None

Change-Id: Ibdd5685e3effdd13ca560b8f18db25e9edadc07b
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://chromium-review.googlesource.com/172584
Reviewed-by: Ronald Minnich <rminnich@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
---
 src/mainboard/google/nyan/bootblock.c | 34 +++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/src/mainboard/google/nyan/bootblock.c b/src/mainboard/google/nyan/bootblock.c
index e193ab1b94..4fba7d9976 100644
--- a/src/mainboard/google/nyan/bootblock.c
+++ b/src/mainboard/google/nyan/bootblock.c
@@ -18,9 +18,43 @@
  */
 
 #include <bootblock_common.h>
+#include <console/console.h>
+#include <device/i2c.h>
+#include <soc/nvidia/tegra/i2c.h>
 #include <soc/nvidia/tegra124/clock.h>
+#include <soc/nvidia/tegra124/pinmux.h>
 
 void bootblock_mainboard_init(void)
 {
 	clock_config();
+
+	// I2C1 clock.
+	pinmux_set_config(PINMUX_GEN1_I2C_SCL_INDEX,
+			  PINMUX_GEN1_I2C_SCL_FUNC_I2C1 | PINMUX_INPUT_ENABLE);
+	// I2C1 data.
+	pinmux_set_config(PINMUX_GEN1_I2C_SDA_INDEX,
+			  PINMUX_GEN1_I2C_SDA_FUNC_I2C1 | PINMUX_INPUT_ENABLE);
+	// I2C2 clock.
+	pinmux_set_config(PINMUX_GEN2_I2C_SCL_INDEX,
+			  PINMUX_GEN2_I2C_SCL_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+	// I2C2 data.
+	pinmux_set_config(PINMUX_GEN2_I2C_SDA_INDEX,
+			  PINMUX_GEN2_I2C_SDA_FUNC_I2C2 | PINMUX_INPUT_ENABLE);
+	// I2C3 (cam) clock.
+	pinmux_set_config(PINMUX_CAM_I2C_SCL_INDEX,
+			  PINMUX_CAM_I2C_SCL_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
+	// I2C3 (cam) data.
+	pinmux_set_config(PINMUX_CAM_I2C_SDA_INDEX,
+			  PINMUX_CAM_I2C_SDA_FUNC_I2C3 | PINMUX_INPUT_ENABLE);
+	// I2C5 (PMU) clock.
+	pinmux_set_config(PINMUX_PWR_I2C_SCL_INDEX,
+			  PINMUX_PWR_I2C_SCL_FUNC_I2CPMU | PINMUX_INPUT_ENABLE);
+	// I2C5 (PMU) data.
+	pinmux_set_config(PINMUX_PWR_I2C_SDA_INDEX,
+			  PINMUX_PWR_I2C_SDA_FUNC_I2CPMU | PINMUX_INPUT_ENABLE);
+
+	i2c_init(0);
+	i2c_init(1);
+	i2c_init(2);
+	i2c_init(4);
 }