Add board_mmc_getwp() for reading the ESDHC write-protect pin.
Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---
Changes in v3: None Changes in v2: None
board/congatec/cgtqmx6eval/cgtqmx6eval.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c index e05060c..1ae126c 100644 --- a/board/congatec/cgtqmx6eval/cgtqmx6eval.c +++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c @@ -113,6 +113,25 @@ int board_mmc_getcd(struct mmc *mmc) return ret; }
+int board_mmc_getwp(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; + + switch (cfg->esdhc_base) { + case USDHC2_BASE_ADDR: + return -1; /* no write protection for onboard \B5SD */ + case USDHC3_BASE_ADDR: + return -1; /* no write protection for eMMC */ + case USDHC4_BASE_ADDR: + gpio_direction_input(IMX_GPIO_NR(2, 7)); + ret = gpio_get_value(IMX_GPIO_NR(2, 7)); + break; + } + + return ret; +} + int board_mmc_init(bd_t *bis) { s32 status = 0;