diff options
| author | ernest.zhang | 2018-07-16 08:26:52 +0200 |
|---|---|---|
| committer | Ulf Hansson | 2018-07-30 14:24:56 +0200 |
| commit | 3665ff03c16ee6436d45a699565ba08f7ebdebb5 (patch) | |
| tree | fb1decc16946344169ab41c68c3d3c6a6db30adc /drivers/mmc | |
| parent | mmc: sdhci: Add support for O2 eMMC HS200 mode (diff) | |
| download | kernel-qcow2-linux-3665ff03c16ee6436d45a699565ba08f7ebdebb5.tar.gz kernel-qcow2-linux-3665ff03c16ee6436d45a699565ba08f7ebdebb5.tar.xz kernel-qcow2-linux-3665ff03c16ee6436d45a699565ba08f7ebdebb5.zip | |
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.c | 5 |
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); |