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| author | Bernie Thompson <bhthompson@chromium.org> | 2013-04-15 10:34:34 -0700 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2013-06-24 14:00:11 +0900 |
| commit | 2955d600155f79d90c40c4d7ee6a0a52dda7bc32 (patch) | |
| tree | b158b12fb110618cc201fe6951a024b3d1d86896 /board | |
| parent | 2c07bb9b53dded1d49731bb9cab589002b89286f (diff) | |
| download | u-boot-imx-2955d600155f79d90c40c4d7ee6a0a52dda7bc32.zip u-boot-imx-2955d600155f79d90c40c4d7ee6a0a52dda7bc32.tar.gz u-boot-imx-2955d600155f79d90c40c4d7ee6a0a52dda7bc32.tar.bz2 | |
exynos: Adjust the starting MIF voltage to 1.05v
Some Exynos5250 silicon may require 1.05v on the MIF to be stable, so to be
safe we can default to 1.05v instead of 1.00v. This can be set optimally later
in the boot process by the kernel.
The 0x6 value for 1.05v comes from the MAX77686 datasheet.
Signed-off-by: Bernie Thompson <bhthompson@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/samsung/smdk5250/smdk5250.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/board/samsung/smdk5250/smdk5250.c b/board/samsung/smdk5250/smdk5250.c index 276fd41..ae1f077 100644 --- a/board/samsung/smdk5250/smdk5250.c +++ b/board/samsung/smdk5250/smdk5250.c @@ -144,7 +144,7 @@ int power_init_board(void) /* VDD_MIF */ if (pmic_reg_write(p, MAX77686_REG_PMIC_BUCK1OUT, - MAX77686_BUCK1OUT_1V)) { + MAX77686_BUCK1OUT_1_05V)) { debug("%s: PMIC %d register write failed\n", __func__, MAX77686_REG_PMIC_BUCK1OUT); return -1; |