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 hdegoede@redhat.com Acked-by: Ian Campbell ijc@hellion.org.uk --- 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);