From 22bd6b4f601c14d62c38bde5186c652082353b8b Mon Sep 17 00:00:00 2001 From: Julien CORJON Date: Fri, 5 Feb 2016 16:19:33 +0100 Subject: imx: mx6quq7: add sd card detection Add board_mmc_getcd function and declare CD_GPIO for SDCard. Signed-off-by: Julien Corjon --- board/seco/mx6quq7/mx6quq7.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'board/seco') diff --git a/board/seco/mx6quq7/mx6quq7.c b/board/seco/mx6quq7/mx6quq7.c index 89ae70d497..6be0b987ca 100644 --- a/board/seco/mx6quq7/mx6quq7.c +++ b/board/seco/mx6quq7/mx6quq7.c @@ -91,11 +91,30 @@ int board_eth_init(bd_t *bis) return ret; } +#define USDHC4_CD_GPIO IMX_GPIO_NR(2, 6) + static struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC3_BASE_ADDR, 0, 4}, {USDHC4_BASE_ADDR, 0, 4}, }; +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; + + switch (cfg->esdhc_base) { + case USDHC3_BASE_ADDR: + ret = 1; /* Assume eMMC is always present */ + break; + case USDHC4_BASE_ADDR: + ret = !gpio_get_value(USDHC4_CD_GPIO); + break; + } + + return ret; +} + int board_mmc_init(bd_t *bis) { u32 index = 0; -- cgit v1.2.1