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authorVasily Khoruzhick <anarsoul@gmail.com>2018-11-05 20:24:28 -0800
committerJagan Teki <jagan@amarulasolutions.com>2018-11-13 22:07:39 +0530
commit20940ef2a397446a209350900d3bd618c3fd5b94 (patch)
tree0b584459737f9b65585876e3ea3ca696933b66ac /arch/arm/include/asm/arch-sunxi
parent4f9d34e633c498b9f706a78f465d337c041f4a65 (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/asm/arch-sunxi')
-rw-r--r--arch/arm/include/asm/arch-sunxi/mmc.h6
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 */