[U-Boot] [PATCH 4/5] sun6i: Drop some "unknown magic" from dram init
Hans de Goede
hdegoede at redhat.com
Sun Nov 16 17:16:52 CET 2014
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>
---
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);
--
2.1.0
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