diff options
Diffstat (limited to 'arch/arm/mach-u300/mmc.c')
| -rw-r--r-- | arch/arm/mach-u300/mmc.c | 64 |
1 files changed, 4 insertions, 60 deletions
diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c index 7b6b016786b..109f5a6e71c 100644 --- a/arch/arm/mach-u300/mmc.c +++ b/arch/arm/mach-u300/mmc.c @@ -40,64 +40,6 @@ static unsigned int mmc_status(struct device *dev) return mmci_card->mmc_inserted; } -/* - * Here follows a large chunk of code which will only be enabled if you - * have both the AB3100 chip mounted and the MMC subsystem activated. - */ - -static u32 mmc_translate_vdd(struct device *dev, unsigned int voltage) -{ - int v; - - /* - * MMC Spec: - * bit 7: 1.70 - 1.95V - * bit 8 - 14: 2.0 - 2.6V - * bit 15 - 23: 2.7 - 3.6V - * - * ab3100 voltages: - * 000 - 2.85V - * 001 - 2.75V - * 010 - 1.8V - * 011 - 1.5V - */ - switch (voltage) { - case 8: - v = 3; - break; - case 9: - case 10: - case 11: - case 12: - case 13: - case 14: - case 15: - v = 1; - break; - case 16: - v = 1; - break; - case 17: - case 18: - case 19: - case 20: - case 21: - case 22: - case 23: - case 24: - v = 0; - break; - default: - v = 0; - break; - } - - /* PL180 voltage register bits */ - return v << 2; -} - - - static int mmci_callback(void *data) { struct mmci_card_event *mmci_card = data; @@ -154,9 +96,11 @@ int __devinit mmc_init(struct amba_device *adev) if (!mmci_card) return -ENOMEM; + /* + * Do not set ocr_mask or voltage translation function, + * we have a regulator we can control instead. + */ /* Nominally 2.85V on our platform */ - mmci_card->mmc0_plat_data.ocr_mask = MMC_VDD_28_29; - mmci_card->mmc0_plat_data.translate_vdd = mmc_translate_vdd; mmci_card->mmc0_plat_data.status = mmc_status; mmci_card->mmc0_plat_data.gpio_wp = -1; mmci_card->mmc0_plat_data.gpio_cd = -1; |