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[IA64-SGI] Fix TIO IOSPACE MMR Addres

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This patches provides support on Shub2 for the separate TIO IOSPACE MMR.  This 
patch is SN specific.

Signed-off-by: Colin Ngam <cngam@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Colin Ngam 2005-05-10 09:12:00 -07:00 committed by Tony Luck
parent 71a5d027c9
commit 71030994a7
1 changed files with 12 additions and 5 deletions
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17
include/asm-ia64/sn/addrs.h
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@ -216,6 +216,10 @@
#define TIO_SWIN_WIDGETNUM(x) (((x) >> TIO_SWIN_SIZE_BITS) & TIO_SWIN_WIDGET_MASK)
#define TIO_IOSPACE_ADDR(n,x) \
/* Move in the Chiplet ID for TIO Local Block MMR */ \
(REMOTE_ADDR(n,x) | 1UL << (NASID_SHIFT - 2))
/*
* The following macros produce the correct base virtual address for
* the hub registers. The REMOTE_HUB_* macro produce
@ -233,13 +237,16 @@
#define REMOTE_HUB_ADDR(n,x) \
((n & 1) ? \
/* TIO: */ \
((volatile u64 *)(GLOBAL_MMR_ADDR(n,x))) \
: /* SHUB: */ \
(((x) & BWIN_TOP) ? ((volatile u64 *)(GLOBAL_MMR_ADDR(n,x)))\
(is_shub2() ? \
/* TIO on Shub2 */ \
(volatile u64 *)(TIO_IOSPACE_ADDR(n,x)) \
: /* TIO on shub1 */ \
(volatile u64 *)(GLOBAL_MMR_ADDR(n,x))) \
\
: /* SHUB1 and SHUB2 MMRs: */ \
(((x) & BWIN_TOP) ? ((volatile u64 *)(GLOBAL_MMR_ADDR(n,x))) \
: ((volatile u64 *)(NODE_SWIN_BASE(n,1) + 0x800000 + (x)))))
#define HUB_L(x) (*((volatile typeof(*x) *)x))
#define HUB_S(x,d) (*((volatile typeof(*x) *)x) = (d))