diff options
Diffstat (limited to 'include/asm-ia64/sn/addrs.h')
| -rw-r--r-- | include/asm-ia64/sn/addrs.h | 79 |
1 files changed, 59 insertions, 20 deletions
diff --git a/include/asm-ia64/sn/addrs.h b/include/asm-ia64/sn/addrs.h index 103d745dc5f2..8881882ccafb 100644 --- a/include/asm-ia64/sn/addrs.h +++ b/include/asm-ia64/sn/addrs.h @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 1992-1999,2001-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (c) 1992-1999,2001-2005 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_ADDRS_H @@ -126,6 +126,7 @@ #define GLOBAL_MMR_PHYS_ADDR(n,a) (GLOBAL_PHYS_MMR_SPACE | REMOTE_ADDR(n,a)) #define GLOBAL_CAC_ADDR(n,a) (CAC_BASE | REMOTE_ADDR(n,a)) #define CHANGE_NASID(n,x) ((void *)(((u64)(x) & ~NASID_MASK) | NASID_SPACE(n))) +#define IS_TIO_NASID(n) ((n) & 1) /* non-II mmr's start at top of big window space (4G) */ @@ -155,10 +156,28 @@ * the chiplet id is zero. If we implement TIO-TIO dma, we might need * to insert a chiplet id into this macro. However, it is our belief * right now that this chiplet id will be ICE, which is also zero. - * Nasid starts on bit 40. */ -#define PHYS_TO_TIODMA(x) ( (((u64)(NASID_GET(x))) << 40) | NODE_OFFSET(x)) -#define PHYS_TO_DMA(x) ( (((u64)(x) & NASID_MASK) >> 2) | NODE_OFFSET(x)) +#define SH1_TIO_PHYS_TO_DMA(x) \ + ((((u64)(NASID_GET(x))) << 40) | NODE_OFFSET(x)) + +#define SH2_NETWORK_BANK_OFFSET(x) \ + ((u64)(x) & ((1UL << (sn_hub_info->nasid_shift - 4)) -1)) + +#define SH2_NETWORK_BANK_SELECT(x) \ + ((((u64)(x) & (0x3UL << (sn_hub_info->nasid_shift - 4))) \ + >> (sn_hub_info->nasid_shift - 4)) << 36) + +#define SH2_NETWORK_ADDRESS(x) \ + (SH2_NETWORK_BANK_OFFSET(x) | SH2_NETWORK_BANK_SELECT(x)) + +#define SH2_TIO_PHYS_TO_DMA(x) \ + (((u64)(NASID_GET(x)) << 40) | SH2_NETWORK_ADDRESS(x)) + +#define PHYS_TO_TIODMA(x) \ + (is_shub1() ? SH1_TIO_PHYS_TO_DMA(x) : SH2_TIO_PHYS_TO_DMA(x)) + +#define PHYS_TO_DMA(x) \ + ((((u64)(x) & NASID_MASK) >> 2) | NODE_OFFSET(x)) /* @@ -187,11 +206,13 @@ #define RAW_NODE_SWIN_BASE(n, w) (NODE_IO_BASE(n) + ((u64) (w) << SWIN_SIZE_BITS)) #define BWIN_WIDGET_MASK 0x7 #define BWIN_WINDOWNUM(x) (((x) >> BWIN_SIZE_BITS) & BWIN_WIDGET_MASK) +#define SH1_IS_BIG_WINDOW_ADDR(x) ((x) & BWIN_TOP) #define TIO_BWIN_WINDOW_SELECT_MASK 0x7 #define TIO_BWIN_WINDOWNUM(x) (((x) >> TIO_BWIN_SIZE_BITS) & TIO_BWIN_WINDOW_SELECT_MASK) - +#define TIO_HWIN_SHIFT_BITS 33 +#define TIO_HWIN(x) (NODE_OFFSET(x) >> TIO_HWIN_SHIFT_BITS) /* * The following definitions pertain to the IO special address @@ -216,10 +237,6 @@ #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 @@ -234,18 +251,40 @@ * Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S(). * They're always safe. */ +/* Shub1 TIO & MMR addressing macros */ +#define SH1_TIO_IOSPACE_ADDR(n,x) \ + GLOBAL_MMR_ADDR(n,x) + +#define SH1_REMOTE_BWIN_MMR(n,x) \ + GLOBAL_MMR_ADDR(n,x) + +#define SH1_REMOTE_SWIN_MMR(n,x) \ + (NODE_SWIN_BASE(n,1) + 0x800000UL + (x)) + +#define SH1_REMOTE_MMR(n,x) \ + (SH1_IS_BIG_WINDOW_ADDR(x) ? SH1_REMOTE_BWIN_MMR(n,x) : \ + SH1_REMOTE_SWIN_MMR(n,x)) + +/* Shub1 TIO & MMR addressing macros */ +#define SH2_TIO_IOSPACE_ADDR(n,x) \ + ((UNCACHED | REMOTE_ADDR(n,x) | 1UL << (NASID_SHIFT - 2))) + +#define SH2_REMOTE_MMR(n,x) \ + GLOBAL_MMR_ADDR(n,x) + + +/* TIO & MMR addressing macros that work on both shub1 & shub2 */ +#define TIO_IOSPACE_ADDR(n,x) \ + ((u64 *)(is_shub1() ? SH1_TIO_IOSPACE_ADDR(n,x) : \ + SH2_TIO_IOSPACE_ADDR(n,x))) + +#define SH_REMOTE_MMR(n,x) \ + (is_shub1() ? SH1_REMOTE_MMR(n,x) : SH2_REMOTE_MMR(n,x)) + #define REMOTE_HUB_ADDR(n,x) \ - ((n & 1) ? \ - /* TIO: */ \ - (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))))) + (IS_TIO_NASID(n) ? ((volatile u64*)TIO_IOSPACE_ADDR(n,x)) : \ + ((volatile u64*)SH_REMOTE_MMR(n,x))) + #define HUB_L(x) (*((volatile typeof(*x) *)x)) #define HUB_S(x,d) (*((volatile typeof(*x) *)x) = (d)) |