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 Tested-by: Zhaofeng Li hello@zhaofeng.li --- arch/arm/mach-sunxi/Kconfig | 1 + drivers/mmc/sunxi_mmc.c | 10 +++++++--- 2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 66fff6c6d3..3c54f5106d 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -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 diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index e50b2c3343..2b6f3c2234 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -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; + + /* A83 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;