[PATCH V7 2/5] mmc: sdhci: Change O2 Host HS200 mode clock frequency to 200MHz
From: ernest.zhang
Date: Mon Jul 16 2018 - 02:28:28 EST
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@xxxxxxxxxxxxxx>
---
Change in V7:
Change HS200 mode clock frequency from 208MHz to 200MHz to meet
Specification.
Change in V1~V6:
N/A
---
drivers/mmc/host/sdhci-pci-o2micro.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index ba59db6a126c..94cf3cd75dd3 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -311,7 +311,7 @@ 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);
@@ -406,7 +406,7 @@ 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);
--
2.17.1