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sunxi-mmc: use new mode on both controllers on A64

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Using new mode improves stability of eMMC and SD cards. Without
it SPL fails to load u-boot from SD on Pinebook.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # Amarula A64-Relic
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Vasily Khoruzhick 2018-11-09 20:41:46 -08:00 committed by Jagan Teki
parent 629d267a97
commit 0e21a2ffb3
2 changed files with 8 additions and 3 deletions
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1
arch/arm/mach-sunxi/Kconfig
View File

@ -282,6 +282,7 @@ config MACH_SUN50I
select SUN6I_PRCM
select SUNXI_DE2
select SUNXI_GEN_SUN6I
select MMC_SUNXI_HAS_NEW_MODE
select SUPPORT_SPL
select SUNXI_DRAM_DW
select SUNXI_DRAM_DW_32BIT

10
drivers/mmc/sunxi_mmc.c
View File

@ -98,12 +98,16 @@ static int mmc_resource_init(int sdc_no)
static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)
{
unsigned int pll, pll_hz, div, n, oclk_dly, sclk_dly;
bool new_mode = false;
bool new_mode = true;
bool calibrate = false;
u32 val = 0;
if (IS_ENABLED(CONFIG_MMC_SUNXI_HAS_NEW_MODE) && (priv->mmc_no == 2))
new_mode = true;
if (!IS_ENABLED(CONFIG_MMC_SUNXI_HAS_NEW_MODE))
new_mode = false;
/* A83T support new mode only on eMMC */
if (IS_ENABLED(CONFIG_MACH_SUN8I_A83T) && priv->mmc_no != 2)
new_mode = false;
#if defined(CONFIG_MACH_SUN50I) || defined(CONFIG_MACH_SUN50I_H6)
calibrate = true;