[U-Boot] [PATCH 1/2] ot1200: setup i2c bus in board_early_init_f(..)

[Christian Gmeiner]

Make it possible to use the i2c bus in SPL.

Signed-off-by: Christian Gmeiner <christian.gmei...@gmail.com>
---
 board/bachmann/ot1200/ot1200.c | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/board/bachmann/ot1200/ot1200.c b/board/bachmann/ot1200/ot1200.c
index e434ed9..a33d496 100644
--- a/board/bachmann/ot1200/ot1200.c
+++ b/board/bachmann/ot1200/ot1200.c
@@ -120,6 +120,27 @@ static void setup_iomux_features(void)
                ARRAY_SIZE(feature_pads));
 }
 
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+/* I2C3 - IO expander  */
+static struct i2c_pads_info i2c_pad_info2 = {
+       .scl = {
+               .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
+               .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
+               .gp = IMX_GPIO_NR(3, 17)
+       },
+       .sda = {
+               .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
+               .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
+               .gp = IMX_GPIO_NR(3, 18)
+       }
+};
+
+static void setup_iomux_i2c(void)
+{
+       setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+}
+
 static void ccgr_init(void)
 {
        struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
@@ -151,6 +172,7 @@ int board_early_init_f(void)
 
        setup_iomux_uart();
        setup_iomux_spi();
+       setup_iomux_i2c();
        setup_iomux_features();
 
        return 0;
@@ -236,22 +258,6 @@ int board_mmc_init(bd_t *bis)
        return 0;
 }
 
-#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
-
-/* I2C3 - IO expander  */
-static struct i2c_pads_info i2c_pad_info2 = {
-       .scl = {
-               .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
-               .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
-               .gp = IMX_GPIO_NR(3, 17)
-       },
-       .sda = {
-               .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
-               .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
-               .gp = IMX_GPIO_NR(3, 18)
-       }
-};
-
 static iomux_v3_cfg_t const pwm_pad[] = {
        MX6_PAD_SD1_CMD__PWM4_OUT | MUX_PAD_CTRL(OUTPUT_40OHM),
 };
@@ -315,8 +321,6 @@ int board_init(void)
 
        backlight_lcd_off();
 
-       setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
-
        leds_on();
 
 #ifdef CONFIG_CMD_SATA
-- 
2.1.0

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