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| author | Christian Gmeiner <christian.gmeiner@gmail.com> | 2015-06-03 11:33:22 +0200 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-06-08 08:48:15 +0200 |
| commit | cefe06bf84c3093c875f19490841ff12e0939bda (patch) | |
| tree | eb618a3882a9f263bde52a8df4c9a245026c9f50 /board/bachmann | |
| parent | 09cfa8ee6aa5c2a126da402af85fbfdcbf9cce06 (diff) | |
| download | u-boot-imx-cefe06bf84c3093c875f19490841ff12e0939bda.zip u-boot-imx-cefe06bf84c3093c875f19490841ff12e0939bda.tar.gz u-boot-imx-cefe06bf84c3093c875f19490841ff12e0939bda.tar.bz2 | |
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.c | 40 |
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 |