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authorChristian Gmeiner <christian.gmeiner@gmail.com>2015-06-03 11:33:22 +0200
committerStefano Babic <sbabic@denx.de>2015-06-08 08:48:15 +0200
commitcefe06bf84c3093c875f19490841ff12e0939bda (patch)
treeeb618a3882a9f263bde52a8df4c9a245026c9f50 /board/bachmann
parent09cfa8ee6aa5c2a126da402af85fbfdcbf9cce06 (diff)
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ot1200: setup i2c bus in board_early_init_f(..)
Make it possible to use the i2c bus in SPL. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Diffstat (limited to 'board/bachmann')
-rw-r--r--board/bachmann/ot1200/ot1200.c40
1 files 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