[U-Boot] [PATCH 4/5] sun6i: Drop some "unknown magic" from dram init

[Ian Campbell]

On Sun, 2014-11-16 at 17:16 +0100, Hans de Goede wrote:
> This bit of code is the rtc ram being used to detect coming out of
> "super-standby" mode, and if that is the case, going out of self-refresh mode.
> 
> Since we do not support "super-standby" mode, this can be dropped.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>

(perhaps start the commit log with "Allwinner tells us that..."? Ack
either way)

> ---
>  arch/arm/cpu/armv7/sunxi/dram_sun6i.c | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c
> index 2ac0b58..5e163cb 100644
> --- a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c
> +++ b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c
> @@ -140,9 +140,6 @@ static void mctl_channel_init(int ch_index, struct dram_sun6i_para *para)
>  
>  	writel((MCTL_TITMSRST << 18) | (MCTL_TDLLLOCK << 6) | MCTL_TDLLSRST,
>  	       &mctl_phy->ptr0);
> -	/* Unknown magic performed by boot0 */
> -	if ((readl(SUNXI_RTC_BASE + 0x20c) & 3) == 2)
> -		setbits_le32(&mctl_phy->ptr0, 1 << 18);
>  
>  	writel((MCTL_TDINIT1 << 19) | MCTL_TDINIT0, &mctl_phy->ptr1);
>  	writel((MCTL_TDINIT3 << 17) | MCTL_TDINIT2, &mctl_phy->ptr2);