From: Hans de Goede Date: Sat, 15 Nov 2014 22:19:42 +0000 (+0100) Subject: sun6i: Drop some "unknown magic" from dram init X-Git-Tag: v2015.01-rc3~55^2~2 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=7b02d9c943b9a8d1a61a330b76e205fc468ac1ac;p=oweals%2Fu-boot.git sun6i: Drop some "unknown magic" from dram init Allwinner tells us that 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 Acked-by: Ian Campbell --- diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c index 10a62416d2..699173cf69 100644 --- a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c +++ b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c @@ -142,9 +142,6 @@ 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);