Author: kib
Date: Tue Jan 13 00:11:56 2015
New Revision: 277100
URL: https://svnweb.freebsd.org/changeset/base/277100
Log:
Add quirk to override default BAR(5) rid for AHCI.
Use it for Cavium AHCI.
Submitted by: Michaе┌ Stanek
Reviewed by: imp (previous version)
MFC after: 1 week
Modified:
head/sys/dev/ahci/ahci.h
head/sys/dev/ahci/ahci_pci.c
Modified: head/sys/dev/ahci/ahci.h
==============================================================================
--- head/sys/dev/ahci/ahci.h Tue Jan 13 00:04:22 2015 (r277099)
+++ head/sys/dev/ahci/ahci.h Tue Jan 13 00:11:56 2015 (r277100)
@@ -572,6 +572,7 @@ enum ahci_err_type {
#define AHCI_Q_ATI_PMP_BUG 0x2000
#define AHCI_Q_MAXIO_64K 0x4000
#define AHCI_Q_SATA1_UNIT0 0x8000 /* need better method for this
*/
+#define AHCI_Q_ABAR0 0x10000
#define AHCI_Q_BIT_STRING \
"\020" \
Modified: head/sys/dev/ahci/ahci_pci.c
==============================================================================
--- head/sys/dev/ahci/ahci_pci.c Tue Jan 13 00:04:22 2015
(r277099)
+++ head/sys/dev/ahci/ahci_pci.c Tue Jan 13 00:11:56 2015
(r277100)
@@ -287,6 +287,7 @@ static const struct {
{0x11841039, 0x00, "SiS 966", 0},
{0x11851039, 0x00, "SiS 968", 0},
{0x01861039, 0x00, "SiS 968", 0},
+ {0xa01c177d, 0x00, "ThunderX SATA", AHCI_Q_ABAR0},
{0x00000000, 0x00, NULL, 0}
};
@@ -386,12 +387,16 @@ ahci_pci_attach(device_t dev)
pci_get_subvendor(dev) == 0x1043 &&
pci_get_subdevice(dev) == 0x81e4)
ctlr->quirks |= AHCI_Q_SATA1_UNIT0;
- /* if we have a memory BAR(5) we are likely on an AHCI part */
ctlr->vendorid = pci_get_vendor(dev);
ctlr->deviceid = pci_get_device(dev);
ctlr->subvendorid = pci_get_subvendor(dev);
ctlr->subdeviceid = pci_get_subdevice(dev);
- ctlr->r_rid = PCIR_BAR(5);
+
+ /* Default AHCI Base Address is BAR(5), Cavium uses BAR(0) */
+ if (ctlr->quirks & AHCI_Q_ABAR0)
+ ctlr->r_rid = PCIR_BAR(0);
+ else
+ ctlr->r_rid = PCIR_BAR(5);
if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&ctlr->r_rid, RF_ACTIVE)))
return ENXIO;
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