diff options
| author | Marek Vasut <marek.vasut+renesas@gmail.com> | 2018-06-13 08:02:55 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-11-02 16:04:45 +0100 |
| commit | dc1488f1d26d103449db3436f43fcd81712cb47c (patch) | |
| tree | 4af25a83a16ddc26b6e5175ba5c06eee55bc9655 /drivers | |
| parent | 52e17968836525fdb1e806d482093bd4cfd7b604 (diff) | |
mmc: tmio: sdhi: Clear HS400 settings when resetting SCC
Make sure to clear HS400 configuration when resetting the SCC block.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 7c92bd92ad6..e92bbe5f096 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -34,6 +34,8 @@ #define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2) #define RENESAS_SDHI_SCC_SMPCMP 0x818 #define RENESAS_SDHI_SCC_TMPPORT2 0x81c +#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31) +#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4) #define RENESAS_SDHI_MAX_TAP 3 @@ -90,6 +92,11 @@ static void renesas_sdhi_reset_tuning(struct tmio_sd_priv *priv) reg &= ~RENESAS_SDHI_SCC_CKSEL_DTSEL; tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_CKSEL); + reg = tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT2); + reg &= ~(RENESAS_SDHI_SCC_TMPPORT2_HS400EN | + RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL); + tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2); + reg = tmio_sd_readl(priv, TMIO_SD_CLKCTL); reg |= TMIO_SD_CLKCTL_SCLKEN; tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL); |