diff options
| author | Haibo Chen <haibo.chen@nxp.com> | 2020-11-05 09:57:13 +0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2020-12-06 17:31:36 +0300 |
| commit | b5874b552ffa09bc1dc5dec6b5dd376c62dab45d (patch) | |
| tree | de08e99e4ba611cd351cd5fffe15581dab39b7c9 /drivers/mmc/fsl_esdhc_imx.c | |
| parent | b15cd88b225ad5a4e81d9144c5e5c265c8588933 (diff) | |
| download | u-boot-b5874b552ffa09bc1dc5dec6b5dd376c62dab45d.tar.xz | |
mmc: fsl_esdhc_imx: add wait_dat0() support
Add wait_dat0() support, upper layer will use this callback.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc/fsl_esdhc_imx.c')
| -rw-r--r-- | drivers/mmc/fsl_esdhc_imx.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c index 22040c67a8..29592d1f2c 100644 --- a/drivers/mmc/fsl_esdhc_imx.c +++ b/drivers/mmc/fsl_esdhc_imx.c @@ -1646,6 +1646,20 @@ static int fsl_esdhc_set_enhanced_strobe(struct udevice *dev) } #endif +static int fsl_esdhc_wait_dat0(struct udevice *dev, int state, + int timeout_us) +{ + int ret; + u32 tmp; + struct fsl_esdhc_priv *priv = dev_get_priv(dev); + struct fsl_esdhc *regs = priv->esdhc_regs; + + ret = readx_poll_timeout(esdhc_read32, ®s->prsstat, tmp, + !!(tmp & PRSSTAT_DAT0) == !!state, + timeout_us); + return ret; +} + static const struct dm_mmc_ops fsl_esdhc_ops = { .get_cd = fsl_esdhc_get_cd, .send_cmd = fsl_esdhc_send_cmd, @@ -1656,6 +1670,7 @@ static const struct dm_mmc_ops fsl_esdhc_ops = { #if CONFIG_IS_ENABLED(MMC_HS400_ES_SUPPORT) .set_enhanced_strobe = fsl_esdhc_set_enhanced_strobe, #endif + .wait_dat0 = fsl_esdhc_wait_dat0, }; #endif |