From: Wolfram Sang wsa+renesas@sang-engineering.com
[ Upstream commit ec9e80ae1719de541c719116a1ca0a0c70e9240c ]
Some early Gen3 SoCs have the DTRANEND1 bit at a different location than all later SoCs. Because we need the bit soon, add a quirk so we know which bit to use.
Signed-off-by: Wolfram Sang wsa+renesas@sang-engineering.com Tested-by: Duy Nguyen duy.nguyen.rh@renesas.com Tested-by: Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com Link: https://lore.kernel.org/r/20221006190452.5316-5-wsa+renesas@sang-engineering... Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mmc/host/renesas_sdhi.h | 1 + drivers/mmc/host/renesas_sdhi_internal_dmac.c | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h index c4abfee1ebae..e4c490729c98 100644 --- a/drivers/mmc/host/renesas_sdhi.h +++ b/drivers/mmc/host/renesas_sdhi.h @@ -44,6 +44,7 @@ struct renesas_sdhi_quirks { bool fixed_addr_mode; bool dma_one_rx_only; bool manual_tap_correction; + bool old_info1_layout; u32 hs400_bad_taps; const u8 (*hs400_calib_table)[SDHI_CALIB_TABLE_MAX]; }; diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 42937596c4c4..7c81c2680701 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -49,7 +49,8 @@ /* DM_CM_INFO1 and DM_CM_INFO1_MASK */ #define INFO1_CLEAR 0 #define INFO1_MASK_CLEAR GENMASK_ULL(31, 0) -#define INFO1_DTRANEND1 BIT(17) +#define INFO1_DTRANEND1 BIT(20) +#define INFO1_DTRANEND1_OLD BIT(17) #define INFO1_DTRANEND0 BIT(16)
/* DM_CM_INFO2 and DM_CM_INFO2_MASK */ @@ -165,6 +166,7 @@ static const struct renesas_sdhi_quirks sdhi_quirks_4tap_nohs400_one_rx = { .hs400_disabled = true, .hs400_4taps = true, .dma_one_rx_only = true, + .old_info1_layout = true, };
static const struct renesas_sdhi_quirks sdhi_quirks_4tap = {