diff options
| author | Vasily Khoruzhick <anarsoul@gmail.com> | 2018-11-05 20:24:28 -0800 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2018-11-13 22:07:39 +0530 |
| commit | 20940ef2a397446a209350900d3bd618c3fd5b94 (patch) | |
| tree | 0b584459737f9b65585876e3ea3ca696933b66ac /arch/arm/include | |
| parent | 4f9d34e633c498b9f706a78f465d337c041f4a65 (diff) | |
mmc: sunxi: add support for automatic delay calibration
A64 and H6 support automatic delay calibration and Linux driver uses it
instead of hardcoded delays. Add support for it to u-boot driver.
Fixes eMMC instability on Pinebook
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Maxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Cc: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/mmc.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/mmc.h b/arch/arm/include/asm/arch-sunxi/mmc.h index d98c53faaa..f2deafddd2 100644 --- a/arch/arm/include/asm/arch-sunxi/mmc.h +++ b/arch/arm/include/asm/arch-sunxi/mmc.h @@ -46,7 +46,9 @@ struct sunxi_mmc { u32 cbda; /* 0x94 */ u32 res2[26]; #if defined(CONFIG_SUNXI_GEN_SUN6I) || defined(CONFIG_MACH_SUN50I_H6) - u32 res3[64]; + u32 res3[17]; + u32 samp_dl; + u32 res4[46]; #endif u32 fifo; /* 0x100 / 0x200 FIFO access address */ }; @@ -130,5 +132,7 @@ struct sunxi_mmc { #define SUNXI_MMC_COMMON_CLK_GATE (1 << 16) #define SUNXI_MMC_COMMON_RESET (1 << 18) +#define SUNXI_MMC_CAL_DL_SW_EN (0x1 << 7) + struct mmc *sunxi_mmc_init(int sdc_no); #endif /* _SUNXI_MMC_H */ |