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cgtqmx6eval: Add ESDHC3 support

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cgtqmx6eval has an eMMC connected to ESDHC3.

Add support for it.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Otavio Salvador 2015-07-23 11:02:24 -03:00 committed by Stefano Babic
parent dbcb6ffb37
commit 45e4d3504a
1 changed files with 21 additions and 1 deletions
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22
board/congatec/cgtqmx6eval/cgtqmx6eval.c
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@ -49,6 +49,20 @@ static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
static 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),
MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
static iomux_v3_cfg_t const usdhc4_pads[] = {
MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
@ -71,6 +85,7 @@ static void setup_iomux_uart(void)
#ifdef CONFIG_FSL_ESDHC
static struct fsl_esdhc_cfg usdhc_cfg[] = {
{USDHC2_BASE_ADDR},
{USDHC3_BASE_ADDR},
{USDHC4_BASE_ADDR},
};
@ -84,6 +99,9 @@ int board_mmc_getcd(struct mmc *mmc)
gpio_direction_input(IMX_GPIO_NR(1, 4));
ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
break;
case USDHC3_BASE_ADDR:
ret = 1; /* eMMC is always present */
break;
case USDHC4_BASE_ADDR:
gpio_direction_input(IMX_GPIO_NR(2, 6));
ret = !gpio_get_value(IMX_GPIO_NR(2, 6));
@ -101,9 +119,11 @@ int board_mmc_init(bd_t *bis)
int i;
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
imx_iomux_v3_setup_multiple_pads(usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
for (i = 0; i < ARRAY_SIZE(usdhc_cfg); i++) {