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| author | Hans de Goede <hdegoede@redhat.com> | 2014-11-15 23:19:42 +0100 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2014-11-25 13:38:46 +0100 |
| commit | 7b02d9c943b9a8d1a61a330b76e205fc468ac1ac (patch) | |
| tree | 1de81a18a315e11ffbeaa8868c902455a8bd5629 /arch/arm | |
| parent | eafec32000499c8f20589e44801c9febff9ce101 (diff) | |
| download | u-boot-imx-7b02d9c943b9a8d1a61a330b76e205fc468ac1ac.zip u-boot-imx-7b02d9c943b9a8d1a61a330b76e205fc468ac1ac.tar.gz u-boot-imx-7b02d9c943b9a8d1a61a330b76e205fc468ac1ac.tar.bz2 | |
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 <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/sunxi/dram_sun6i.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/dram_sun6i.c b/arch/arm/cpu/armv7/sunxi/dram_sun6i.c index 10a6241..699173c 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); |