Messages in this thread | | | Date | Tue, 08 Oct 2013 18:17:36 -0700 | From | David Cohen <> | Subject | Re: [PATCH v2] mmc: sdhci-pci: add Intel Merrifield support |
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Kindly ping :) Any comments?
Br, David Cohen
On 10/01/2013 01:18 PM, David Cohen wrote: > Implement initial SDHCI Intel Merrifield support. > This patch is based on previous one from Yunpeng Gao <yunpeng.gao@intel.com> > > Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> > --- > drivers/mmc/host/sdhci-pci.c | 30 ++++++++++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c > index d7d6bc8..06f026a 100644 > --- a/drivers/mmc/host/sdhci-pci.c > +++ b/drivers/mmc/host/sdhci-pci.c > @@ -37,6 +37,7 @@ > #define PCI_DEVICE_ID_INTEL_BYT_SDIO 0x0f15 > #define PCI_DEVICE_ID_INTEL_BYT_SD 0x0f16 > #define PCI_DEVICE_ID_INTEL_BYT_EMMC2 0x0f50 > +#define PCI_DEVICE_ID_INTEL_MRFL_MMC 0x1190 > > /* > * PCI registers > @@ -356,6 +357,28 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { > .allow_runtime_pm = true, > }; > > +/* Define Host controllers for Intel Merrifield platform */ > +#define INTEL_MRFL_EMMC_0 0 > +#define INTEL_MRFL_EMMC_1 1 > + > +static int intel_mrfl_mmc_probe_slot(struct sdhci_pci_slot *slot) > +{ > + if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_0) && > + (PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFL_EMMC_1)) > + /* SD support is not ready yet */ > + return -ENODEV; > + > + slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | > + MMC_CAP_1_8V_DDR; > + > + return 0; > +} > + > +static const struct sdhci_pci_fixes sdhci_intel_mrfl_mmc = { > + .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC, > + .probe_slot = intel_mrfl_mmc_probe_slot, > +}; > + > /* O2Micro extra registers */ > #define O2_SD_LOCK_WP 0xD3 > #define O2_SD_MULTI_VCC3V 0xEE > @@ -940,6 +963,13 @@ static const struct pci_device_id pci_ids[] = { > }, > > { > + .vendor = PCI_VENDOR_ID_INTEL, > + .device = PCI_DEVICE_ID_INTEL_MRFL_MMC, > + .subvendor = PCI_ANY_ID, > + .subdevice = PCI_ANY_ID, > + .driver_data = (kernel_ulong_t)&sdhci_intel_mrfl_mmc, > + }, > + { > .vendor = PCI_VENDOR_ID_O2, > .device = PCI_DEVICE_ID_O2_8120, > .subvendor = PCI_ANY_ID, >
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