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ata: ahci: Add BAR index quirk for Cavium PCI SATA device

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For SATA controller found on OcteonTX SoC's, use non-standard PCI BAR0
instead of BAR5.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Suneel Garapati 2019-10-19 17:48:25 -07:00 committed by Stefan Roese
parent 04cd0a0fa0
commit 3f6f0cd8fd
1 changed files with 15 additions and 0 deletions
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15
drivers/ata/ahci.c
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@ -1198,10 +1198,25 @@ int ahci_probe_scsi(struct udevice *ahci_dev, ulong base)
int ahci_probe_scsi_pci(struct udevice *ahci_dev)
{
ulong base;
u16 vendor, device;
base = (ulong)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_5,
PCI_REGION_MEM);
/*
* Note:
* Right now, we have only one quirk here, which is not enough to
* introduce a new Kconfig option to select this. Once we have more
* quirks in this AHCI code, we should add a Kconfig option for
* this though.
*/
dm_pci_read_config16(ahci_dev, PCI_VENDOR_ID, &vendor);
dm_pci_read_config16(ahci_dev, PCI_DEVICE_ID, &device);
if (vendor == PCI_VENDOR_ID_CAVIUM &&
device == PCI_DEVICE_ID_CAVIUM_SATA)
base = (uintptr_t)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_0,
PCI_REGION_MEM);
return ahci_probe_scsi(ahci_dev, base);
}
#endif