Loading arch/ia64/sn/pci/pci_dma.c +46 −0 Original line number Original line Diff line number Diff line Loading @@ -326,6 +326,29 @@ int sn_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size) { { unsigned long addr; unsigned long addr; int ret; int ret; struct ia64_sal_retval isrv; /* * First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work * around hw issues at the pci bus level. SGI proms older than * 4.10 don't implment this. */ SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE, pci_domain_nr(bus), bus->number, 0, /* io */ 0, /* read */ port, size, __pa(val)); if (isrv.status == 0) return size; /* * If the above failed, retry using the SAL_PROBE call which should * be present in all proms (but which cannot work round PCI chipset * bugs). This code is retained for compatability with old * pre-4.10 proms, and should be removed at some point in the future. */ if (!SN_PCIBUS_BUSSOFT(bus)) if (!SN_PCIBUS_BUSSOFT(bus)) return -ENODEV; return -ENODEV; Loading @@ -349,6 +372,29 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) int ret = size; int ret = size; unsigned long paddr; unsigned long paddr; unsigned long *addr; unsigned long *addr; struct ia64_sal_retval isrv; /* * First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work * around hw issues at the pci bus level. SGI proms older than * 4.10 don't implment this. */ SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE, pci_domain_nr(bus), bus->number, 0, /* io */ 1, /* write */ port, size, __pa(&val)); if (isrv.status == 0) return size; /* * If the above failed, retry using the SAL_PROBE call which should * be present in all proms (but which cannot work round PCI chipset * bugs). This code is retained for compatability with old * pre-4.10 proms, and should be removed at some point in the future. */ if (!SN_PCIBUS_BUSSOFT(bus)) { if (!SN_PCIBUS_BUSSOFT(bus)) { ret = -ENODEV; ret = -ENODEV; Loading include/asm-ia64/sn/sn_sal.h +1 −1 Original line number Original line Diff line number Diff line Loading @@ -68,7 +68,7 @@ #define SN_SAL_IOIF_INTERRUPT 0x0200004a #define SN_SAL_IOIF_INTERRUPT 0x0200004a #define SN_SAL_HWPERF_OP 0x02000050 // lock #define SN_SAL_HWPERF_OP 0x02000050 // lock #define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051 #define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051 #define SN_SAL_IOIF_PCI_SAFE 0x02000052 #define SN_SAL_IOIF_SLOT_ENABLE 0x02000053 #define SN_SAL_IOIF_SLOT_ENABLE 0x02000053 #define SN_SAL_IOIF_SLOT_DISABLE 0x02000054 #define SN_SAL_IOIF_SLOT_DISABLE 0x02000054 #define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055 #define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055 Loading Loading
arch/ia64/sn/pci/pci_dma.c +46 −0 Original line number Original line Diff line number Diff line Loading @@ -326,6 +326,29 @@ int sn_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size) { { unsigned long addr; unsigned long addr; int ret; int ret; struct ia64_sal_retval isrv; /* * First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work * around hw issues at the pci bus level. SGI proms older than * 4.10 don't implment this. */ SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE, pci_domain_nr(bus), bus->number, 0, /* io */ 0, /* read */ port, size, __pa(val)); if (isrv.status == 0) return size; /* * If the above failed, retry using the SAL_PROBE call which should * be present in all proms (but which cannot work round PCI chipset * bugs). This code is retained for compatability with old * pre-4.10 proms, and should be removed at some point in the future. */ if (!SN_PCIBUS_BUSSOFT(bus)) if (!SN_PCIBUS_BUSSOFT(bus)) return -ENODEV; return -ENODEV; Loading @@ -349,6 +372,29 @@ int sn_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) int ret = size; int ret = size; unsigned long paddr; unsigned long paddr; unsigned long *addr; unsigned long *addr; struct ia64_sal_retval isrv; /* * First, try the SN_SAL_IOIF_PCI_SAFE SAL call which can work * around hw issues at the pci bus level. SGI proms older than * 4.10 don't implment this. */ SAL_CALL(isrv, SN_SAL_IOIF_PCI_SAFE, pci_domain_nr(bus), bus->number, 0, /* io */ 1, /* write */ port, size, __pa(&val)); if (isrv.status == 0) return size; /* * If the above failed, retry using the SAL_PROBE call which should * be present in all proms (but which cannot work round PCI chipset * bugs). This code is retained for compatability with old * pre-4.10 proms, and should be removed at some point in the future. */ if (!SN_PCIBUS_BUSSOFT(bus)) { if (!SN_PCIBUS_BUSSOFT(bus)) { ret = -ENODEV; ret = -ENODEV; Loading
include/asm-ia64/sn/sn_sal.h +1 −1 Original line number Original line Diff line number Diff line Loading @@ -68,7 +68,7 @@ #define SN_SAL_IOIF_INTERRUPT 0x0200004a #define SN_SAL_IOIF_INTERRUPT 0x0200004a #define SN_SAL_HWPERF_OP 0x02000050 // lock #define SN_SAL_HWPERF_OP 0x02000050 // lock #define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051 #define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051 #define SN_SAL_IOIF_PCI_SAFE 0x02000052 #define SN_SAL_IOIF_SLOT_ENABLE 0x02000053 #define SN_SAL_IOIF_SLOT_ENABLE 0x02000053 #define SN_SAL_IOIF_SLOT_DISABLE 0x02000054 #define SN_SAL_IOIF_SLOT_DISABLE 0x02000054 #define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055 #define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055 Loading
