[U-Boot] [PATCH v2 1/2] sunxi-mmc: use new mode on A64

[Vasily Khoruzhick]

You need both patches in order for it to work.

I tested these patches on Pinebook and Pine64 LTS, both were able to
boot from eMMC. What board are you using?

On Sun, May 27, 2018 at 11:43 AM, Jagan Teki <jagannadh.teki at gmail.com> wrote:
> On Mon, May 14, 2018 at 8:57 PM, Vasily Khoruzhick <anarsoul at gmail.com> wrote:
>> That is necessary for using automatic calibration on A64 eMMC.
>>
>> Signed-off-by: Vasily khoruzhick <anarsoul at gmail.com>
>> ---
>>  arch/arm/mach-sunxi/Kconfig | 1 +
>>  drivers/mmc/sunxi_mmc.c     | 2 +-
>>  2 files changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
>> index f0c9d1b058..376380e977 100644
>> --- a/arch/arm/mach-sunxi/Kconfig
>> +++ b/arch/arm/mach-sunxi/Kconfig
>> @@ -256,6 +256,7 @@ config MACH_SUN50I
>>         select SUNXI_DE2
>>         select SUNXI_GEN_SUN6I
>>         select SUNXI_HIGH_SRAM
>> +       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 fe6d82c7b4..65d88ee921 100644
>> --- a/drivers/mmc/sunxi_mmc.c
>> +++ b/drivers/mmc/sunxi_mmc.c
>> @@ -165,7 +165,7 @@ static int mmc_set_mod_clk(struct sunxi_mmc_priv *priv, unsigned int hz)
>>         }
>>
>>         if (new_mode) {
>> -#ifdef CONFIG_MMC_SUNXI_HAS_NEW_MODE
>> +#if defined(CONFIG_MMC_SUNXI_HAS_NEW_MODE) && !defined(CONFIG_MACH_SUN50I)
>>                 val = CCM_MMC_CTRL_MODE_SEL_NEW;
>
> This is breaking eMMC boot on A64
>
> U-Boot SPL 2018.05-00431-gf4fcaa5f15 (May 27 2018 - 23:59:42 +0530)
> DRAM: 1024 MiB
> Trying to boot from MMC2
> unable to select a mode
> mmc_load_image_raw_sector: mmc block read error
> SPL: failed to boot from all boot devices
> ### ERROR ### Please RESET the board ###