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| author | Yann Gautier <yann.gautier@st.com> | 2019-09-19 17:56:13 +0200 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2019-10-10 10:59:48 +0800 |
| commit | a8ef8b22896331d0be1bb4c5bef787b3f72e793e (patch) | |
| tree | 73eef071474ef1d82cd418e922f58975a9ac0fbd | |
| parent | 3602a56ac637952ea8d1b49ad525a0d70982fd92 (diff) | |
| download | u-boot-a8ef8b22896331d0be1bb4c5bef787b3f72e793e.zip u-boot-a8ef8b22896331d0be1bb4c5bef787b3f72e793e.tar.gz u-boot-a8ef8b22896331d0be1bb4c5bef787b3f72e793e.tar.bz2 | |
mmc: stm32_sdmmc2: implement host_power_cycle callback
For the correct power cycle sequence with stm32_sdmmc2, the write of the
power cycle value in PWRCTL field of SDMMC_POWER register is now done in
stm32_sdmmc2_host_power_cycle() and no more in stm32_sdmmc2_pwrcycle().
Signed-off-by: Yann Gautier <yann.gautier@st.com>
| -rw-r--r-- | drivers/mmc/stm32_sdmmc2.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mmc/stm32_sdmmc2.c b/drivers/mmc/stm32_sdmmc2.c index 32434a4..1726ed7 100644 --- a/drivers/mmc/stm32_sdmmc2.c +++ b/drivers/mmc/stm32_sdmmc2.c @@ -524,8 +524,6 @@ static void stm32_sdmmc2_pwrcycle(struct stm32_sdmmc2_priv *priv) return; stm32_sdmmc2_reset(priv); - writel(SDMMC_POWER_PWRCTRL_CYCLE | priv->pwr_reg_msk, - priv->base + SDMMC_POWER); } /* @@ -619,10 +617,21 @@ static int stm32_sdmmc2_getcd(struct udevice *dev) return 1; } +static int stm32_sdmmc2_host_power_cycle(struct udevice *dev) +{ + struct stm32_sdmmc2_priv *priv = dev_get_priv(dev); + + writel(SDMMC_POWER_PWRCTRL_CYCLE | priv->pwr_reg_msk, + priv->base + SDMMC_POWER); + + return 0; +} + static const struct dm_mmc_ops stm32_sdmmc2_ops = { .send_cmd = stm32_sdmmc2_send_cmd, .set_ios = stm32_sdmmc2_set_ios, .get_cd = stm32_sdmmc2_getcd, + .host_power_cycle = stm32_sdmmc2_host_power_cycle, }; static int stm32_sdmmc2_probe(struct udevice *dev) |