diff options
| author | Alexander Stein <alexander.stein@systec-electronic.com> | 2012-03-14 08:38:58 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-03-27 12:20:14 -0400 |
| commit | 296e0b0357e09fdc6f307953da51c0e5da5b84e7 (patch) | |
| tree | 94450233bfbc03981cfdd09dea71758ccc98a728 /drivers/mmc/host/sdhci-pci.c | |
| parent | 6379b2375a0c5a6ad437616a4018e6b8fd95e97c (diff) | |
mmc: sdhci-pci: allow 8-bit bus width for Intel PCH
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-pci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index bc666a4ed60..fbbebe251e0 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -29,6 +29,12 @@ #include "sdhci.h" /* + * PCI device IDs + */ +#define PCI_DEVICE_ID_INTEL_PCH_SDIO0 0x8809 +#define PCI_DEVICE_ID_INTEL_PCH_SDIO1 0x880a + +/* * PCI registers */ @@ -174,6 +180,12 @@ static int mrst_hc_probe(struct sdhci_pci_chip *chip) return 0; } +static int pch_hc_probe_slot(struct sdhci_pci_slot *slot) +{ + slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA; + return 0; +} + #ifdef CONFIG_PM_RUNTIME static irqreturn_t sdhci_pci_sd_cd(int irq, void *dev_id) @@ -285,6 +297,11 @@ static const struct sdhci_pci_fixes sdhci_intel_mfd_emmc = { .probe_slot = mfd_emmc_probe_slot, }; +static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = { + .quirks = SDHCI_QUIRK_BROKEN_ADMA, + .probe_slot = pch_hc_probe_slot, +}; + /* O2Micro extra registers */ #define O2_SD_LOCK_WP 0xD3 #define O2_SD_MULTI_VCC3V 0xEE @@ -821,6 +838,22 @@ static const struct pci_device_id pci_ids[] __devinitdata = { }, { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_PCH_SDIO0, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_PCH_SDIO1, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_pch_sdio, + }, + + { .vendor = PCI_VENDOR_ID_O2, .device = PCI_DEVICE_ID_O2_8120, .subvendor = PCI_ANY_ID, |