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[IA64-SGI] fix sn_pci_legacy_read/fix sn_pci_legacy_write

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This patch adds a #define for SN_SAL_IOIF_PCI_SAFE and makes that the
preferred method of implementing sn_pci_legacy_read() and
sn_pci_legacy_write().

This SAL call has been present in SGI proms since version 4.10.  If the
SN_SAL_IOIF_PCI_SAFE call fails, revert to the previous code for compatability
with older proms.

Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Mark Maule
2005-09-23 12:31:53 -05:00
committed by Tony Luck
parent 12f44f46bc
commit 61b9cf7c6c
2 changed files with 47 additions and 1 deletions
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2
include/asm-ia64/sn/sn_sal.h
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@@ -67,7 +67,7 @@
#define SN_SAL_IOIF_INTERRUPT 0x0200004a
#define SN_SAL_HWPERF_OP 0x02000050 // lock
#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_DISABLE 0x02000054
#define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055