Pads SD2_CLK/CMD/DAT0-3 are connected to an SDIO WiFi device on Nitrogen and unconnected on BD-SL-i.MX6 (sabre lite).
Configure them as SDIO pins to prevent them from being in a state that confuses the WiFi part.
Signed-off-by: Eric Nelson eric.nelson@boundarydevices.com --- board/boundary/nitrogen6x/nitrogen6x.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c index e8cc243..bde299f 100644 --- a/board/boundary/nitrogen6x/nitrogen6x.c +++ b/board/boundary/nitrogen6x/nitrogen6x.c @@ -124,6 +124,15 @@ struct i2c_pads_info i2c_pad_info2 = { } };
+static iomux_v3_cfg_t const usdhc2_pads[] = { + MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + iomux_v3_cfg_t const usdhc3_pads[] = { MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), @@ -657,6 +666,8 @@ int board_init(void) #ifdef CONFIG_MXC_SPI setup_spi(); #endif + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info0); setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);