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authorernest.zhang <ernest.zhang@bayhubtech.com>2018-07-16 09:26:52 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2018-07-30 15:24:56 +0300
commit3665ff03c16ee6436d45a699565ba08f7ebdebb5 (patch)
treefb1decc16946344169ab41c68c3d3c6a6db30adc /drivers/mmc
parent57322d542ffe01076c9df10d38e3ec0a58f9d83a (diff)
downloadlinux-3665ff03c16ee6436d45a699565ba08f7ebdebb5.tar.xz
mmc: sdhci: Change O2 Host HS200 mode clock frequency to 200MHz
O2 SD Host HS200 mode clock frequency current is 208MHz, should be changed to 200MHz to meet specification. Signed-off-by: ernest.zhang <ernest.zhang@bayhubtech.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-pci-o2micro.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index ba59db6a126c..7b37713d8826 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -311,9 +311,8 @@ int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
/* Check Whether subId is 0x11 or 0x12 */
if ((scratch_32 == 0x11) || (scratch_32 == 0x12)) {
- scratch_32 = 0x2c280000;
+ scratch_32 = 0x25100000;
- /* Set Base Clock to 208MZ */
o2_pci_set_baseclk(chip, scratch_32);
ret = pci_read_config_dword(chip->pdev,
O2_SD_FUNC_REG4,
@@ -406,7 +405,7 @@ int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
O2_SD_PLL_SETTING, scratch_32);
} else {
scratch_32 &= 0x0000FFFF;
- scratch_32 |= 0x2c280000;
+ scratch_32 |= 0x25100000;
pci_write_config_dword(chip->pdev,
O2_SD_PLL_SETTING, scratch_32);