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Commit 3665ff03 authored by ernest.zhang's avatar ernest.zhang Committed by Ulf Hansson
Browse files

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: default avatarernest.zhang <ernest.zhang@bayhubtech.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 57322d54

drivers/mmc/host/sdhci-pci-o2micro.c

+2 −3
Original line number Diff line number Diff line
@@ -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);