addrs.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:10k
- /*
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (c) 1992-1999,2001 Silicon Graphics, Inc. All rights reserved.
- */
- #ifndef _ASM_IA64_SN_ADDRS_H
- #define _ASM_IA64_SN_ADDRS_H
- #include <linux/config.h>
- #if defined (CONFIG_IA64_SGI_SN1)
- #include <asm/sn/sn1/addrs.h>
- #elif defined (CONFIG_IA64_SGI_SN2)
- #include <asm/sn/sn2/addrs.h>
- #else
- #error <<<BOMB! addrs.h defined only for SN1, or SN2 >>>
- #endif /* !SN1 && !SN2 */
- #ifndef __ASSEMBLY__
- #include <asm/sn/types.h>
- #endif
- #ifndef __ASSEMBLY__
- #define PS_UINT_CAST (__psunsigned_t)
- #define UINT64_CAST (uint64_t)
- #ifdef CONFIG_IA64_SGI_SN2
- #define HUBREG_CAST (volatile mmr_t *)
- #else
- #define HUBREG_CAST (volatile hubreg_t *)
- #endif
- #elif __ASSEMBLY__
- #define PS_UINT_CAST
- #define UINT64_CAST
- #define HUBREG_CAST
- #endif
- /*
- * The following macros are used to index to the beginning of a specific
- * node's address space.
- */
- #ifdef CONFIG_IA64_SGI_SN2 /* SN2 has an extra AS field between node offset and node id (nasid) */
- #define NODE_OFFSET(_n) (UINT64_CAST (_n) << NASID_SHFT)
- #else
- #define NODE_OFFSET(_n) (UINT64_CAST (_n) << NODE_SIZE_BITS)
- #endif
- #define NODE_CAC_BASE(_n) (CAC_BASE + NODE_OFFSET(_n))
- #define NODE_HSPEC_BASE(_n) (HSPEC_BASE + NODE_OFFSET(_n))
- #define NODE_IO_BASE(_n) (IO_BASE + NODE_OFFSET(_n))
- #define NODE_MSPEC_BASE(_n) (MSPEC_BASE + NODE_OFFSET(_n))
- #define NODE_UNCAC_BASE(_n) (UNCAC_BASE + NODE_OFFSET(_n))
- #define TO_NODE(_n, _x) (NODE_OFFSET(_n) | ((_x) ))
- #define TO_NODE_CAC(_n, _x) (NODE_CAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
- #define TO_NODE_UNCAC(_n, _x) (NODE_UNCAC_BASE(_n) | ((_x) & TO_PHYS_MASK))
- #define TO_NODE_MSPEC(_n, _x) (NODE_MSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
- #define TO_NODE_HSPEC(_n, _x) (NODE_HSPEC_BASE(_n) | ((_x) & TO_PHYS_MASK))
- #define RAW_NODE_SWIN_BASE(nasid, widget)
- (NODE_IO_BASE(nasid) + (UINT64_CAST (widget) << SWIN_SIZE_BITS))
- #define WIDGETID_GET(addr) ((unsigned char)((addr >> SWIN_SIZE_BITS) & 0xff))
- /*
- * The following definitions pertain to the IO special address
- * space. They define the location of the big and little windows
- * of any given node.
- */
- #define SWIN_SIZE_BITS 24
- #define SWIN_SIZE (UINT64_CAST 1 << 24)
- #define SWIN_SIZEMASK (SWIN_SIZE - 1)
- #define SWIN_WIDGET_MASK 0xF
- /*
- * Convert smallwindow address to xtalk address.
- *
- * 'addr' can be physical or virtual address, but will be converted
- * to Xtalk address in the range 0 -> SWINZ_SIZEMASK
- */
- #define SWIN_WIDGETADDR(addr) ((addr) & SWIN_SIZEMASK)
- #define SWIN_WIDGETNUM(addr) (((addr) >> SWIN_SIZE_BITS) & SWIN_WIDGET_MASK)
- /*
- * Verify if addr belongs to small window address on node with "nasid"
- *
- *
- * NOTE: "addr" is expected to be XKPHYS address, and NOT physical
- * address
- *
- *
- */
- #define NODE_SWIN_ADDR(nasid, addr)
- (((addr) >= NODE_SWIN_BASE(nasid, 0)) &&
- ((addr) < (NODE_SWIN_BASE(nasid, HUB_NUM_WIDGET) + SWIN_SIZE)
- ))
- /*
- * The following define the major position-independent aliases used
- * in SN.
- * LBOOT -- 256MB in size, reads in the LBOOT area result in
- * uncached references to the local hub's boot prom and
- * other directory-bus connected devices.
- * IALIAS -- 8MB in size, reads in the IALIAS result in uncached
- * references to the local hub's registers.
- */
- #if defined CONFIG_IA64_SGI_SN1
- #define LREG_BASE (HSPEC_BASE + 0x10000000)
- #define LREG_SIZE 0x8000000 /* 128 MB */
- #define LREG_LIMIT (LREG_BASE + LREG_SIZE)
- #define LBOOT_BASE (LREG_LIMIT)
- #define LBOOT_SIZE 0x8000000 /* 128 MB */
- #define LBOOT_LIMIT (LBOOT_BASE + LBOOT_SIZE)
- #define LBOOT_STRIDE 0x2000000 /* two PROMs, on 32M boundaries */
- #endif
- #define HUB_REGISTER_WIDGET 1
- #ifdef CONFIG_IA64_SGI_SN2
- #define IALIAS_BASE LOCAL_SWIN_BASE(HUB_REGISTER_WIDGET)
- #else
- #define IALIAS_BASE NODE_SWIN_BASE(0, HUB_REGISTER_WIDGET)
- #endif
- #define IALIAS_SIZE 0x800000 /* 8 Megabytes */
- #define IS_IALIAS(_a) (((_a) >= IALIAS_BASE) &&
- ((_a) < (IALIAS_BASE + IALIAS_SIZE)))
- /*
- * Macro for referring to Hub's RBOOT space
- */
- #if defined CONFIG_IA64_SGI_SN1
- #define NODE_LREG_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x30000000)
- #define NODE_LREG_LIMIT(_n) (NODE_LREG_BASE(_n) + LREG_SIZE)
- #define RREG_BASE(_n) (NODE_LREG_BASE(_n))
- #define RREG_LIMIT(_n) (NODE_LREG_LIMIT(_n))
- #define RBOOT_SIZE 0x8000000 /* 128 Megabytes */
- #define NODE_RBOOT_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x38000000)
- #define NODE_RBOOT_LIMIT(_n) (NODE_RBOOT_BASE(_n) + RBOOT_SIZE)
- #endif
- /*
- * The following macros produce the correct base virtual address for
- * the hub registers. The LOCAL_HUB_* macros produce the appropriate
- * address for the local registers. The REMOTE_HUB_* macro produce
- * the address for the specified hub's registers. The intent is
- * that the appropriate PI, MD, NI, or II register would be substituted
- * for _x.
- */
- #ifdef CONFIG_IA64_SGI_SN2
- /*
- * SN2 has II mmr's located inside small window space like SN0 & SN1,
- * but has all other non-II mmr's located at the top of big window
- * space, unlike SN0 & SN1.
- */
- #define LOCAL_HUB_BASE(_x) (LOCAL_MMR_ADDR(_x) | (((~(_x)) & BWIN_TOP)>>8))
- #define REMOTE_HUB_BASE(_x)
- (UNCACHED | GLOBAL_MMR_SPACE |
- (((~(_x)) & BWIN_TOP)>>8) |
- (((~(_x)) & BWIN_TOP)>>9) | (_x))
- #define LOCAL_HUB(_x) (HUBREG_CAST LOCAL_HUB_BASE(_x))
- #define REMOTE_HUB(_n, _x)
- (HUBREG_CAST (REMOTE_HUB_BASE(_x) | ((((long)(_n))<<NASID_SHFT))))
- #else /* not CONFIG_IA64_SGI_SN2 */
- #define LOCAL_HUB(_x) (HUBREG_CAST (IALIAS_BASE + (_x)))
- #define REMOTE_HUB(_n, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +
- 0x800000 + (_x)))
- #endif
- #ifdef CONFIG_IA64_SGI_SN1
- #define LOCAL_HSPEC(_x) (HUBREG_CAST (LREG_BASE + (_x)))
- #define REMOTE_HSPEC(_n, _x) (HUBREG_CAST (RREG_BASE(_n) + (_x)))
- #endif /* CONFIG_IA64_SGI_SN1 */
- /*
- * WARNING:
- * When certain Hub chip workaround are defined, it's not sufficient
- * to dereference the *_HUB_ADDR() macros. You should instead use
- * HUB_L() and HUB_S() if you must deal with pointers to hub registers.
- * Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S().
- * They're always safe.
- */
- #ifdef CONFIG_IA64_SGI_SN2
- #define LOCAL_HUB_ADDR(_x)
- (((_x) & BWIN_TOP) ? (HUBREG_CAST (LOCAL_MMR_ADDR(_x)))
- : (HUBREG_CAST (IALIAS_BASE + (_x))))
- #define REMOTE_HUB_ADDR(_n, _x)
- (((_x) & BWIN_TOP) ? (HUBREG_CAST (GLOBAL_MMR_ADDR(_n, _x)))
- : (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + 0x800000 + (_x))))
- #else
- #define LOCAL_HUB_ADDR(_x) (HUBREG_CAST (IALIAS_BASE + (_x)))
- #define REMOTE_HUB_ADDR(_n, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +
- 0x800000 + (_x)))
- #endif
- #if CONFIG_IA64_SGI_SN1
- #define REMOTE_HUB_PI_ADDR(_n, _sn, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) +
- 0x800000 + PIREG(_x, _sn)))
- #endif
- #ifdef CONFIG_IA64_SGI_SN1
- #define LOCAL_HSPEC_ADDR(_x) (HUBREG_CAST (LREG_BASE + (_x)))
- #define REMOTE_HSPEC_ADDR(_n, _x) (HUBREG_CAST (RREG_BASE(_n) + (_x)))
- #endif /* CONFIG_IA64_SGI_SN1 */
- #ifndef __ASSEMBLY__
- #define HUB_L(_a) *(_a)
- #define HUB_S(_a, _d) *(_a) = (_d)
- #define LOCAL_HUB_L(_r) HUB_L(LOCAL_HUB_ADDR(_r))
- #define LOCAL_HUB_S(_r, _d) HUB_S(LOCAL_HUB_ADDR(_r), (_d))
- #define REMOTE_HUB_L(_n, _r) HUB_L(REMOTE_HUB_ADDR((_n), (_r)))
- #define REMOTE_HUB_S(_n, _r, _d) HUB_S(REMOTE_HUB_ADDR((_n), (_r)), (_d))
- #define REMOTE_HUB_PI_L(_n, _sn, _r) HUB_L(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)))
- #define REMOTE_HUB_PI_S(_n, _sn, _r, _d) HUB_S(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)), (_d))
- #ifdef CONFIG_IA64_SGI_SN1
- #define LOCAL_HSPEC_L(_r) HUB_L(LOCAL_HSPEC_ADDR(_r))
- #define LOCAL_HSPEC_S(_r, _d) HUB_S(LOCAL_HSPEC_ADDR(_r), (_d))
- #define REMOTE_HSPEC_L(_n, _r) HUB_L(REMOTE_HSPEC_ADDR((_n), (_r)))
- #define REMOTE_HSPEC_S(_n, _r, _d) HUB_S(REMOTE_HSPEC_ADDR((_n), (_r)), (_d))
- #endif /* CONFIG_IA64_SGI_SN1 */
- #endif /* __ASSEMBLY__ */
- /*
- * The following macros are used to get to a hub/bridge register, given
- * the base of the register space.
- */
- #define HUB_REG_PTR(_base, _off)
- (HUBREG_CAST ((__psunsigned_t)(_base) + (__psunsigned_t)(_off)))
- #define HUB_REG_PTR_L(_base, _off)
- HUB_L(HUB_REG_PTR((_base), (_off)))
- #define HUB_REG_PTR_S(_base, _off, _data)
- HUB_S(HUB_REG_PTR((_base), (_off)), (_data))
- /*
- * Software structure locations -- permanently fixed
- * See diagram in kldir.h
- */
- #define PHYS_RAMBASE 0x0
- #define K0_RAMBASE PHYS_TO_K0(PHYS_RAMBASE)
- #define ARCS_SPB_OFFSET 0x1000
- #define ARCS_SPB_ADDR(nasid)
- PHYS_TO_K0(NODE_OFFSET(nasid) | ARCS_SPB_OFFSET)
- #define ARCS_SPB_SIZE 0x0400
- #define KLDIR_OFFSET 0x2000
- #define KLDIR_ADDR(nasid)
- TO_NODE_CAC((nasid), KLDIR_OFFSET)
- #define KLDIR_SIZE 0x0400
- /*
- * Software structure locations -- indirected through KLDIR
- * See diagram in kldir.h
- *
- * Important: All low memory structures must only be accessed
- * uncached, except for the symmon stacks.
- */
- #define KLI_LAUNCH 0 /* Dir. entries */
- #define KLI_KLCONFIG 1
- #define KLI_NMI 2
- #define KLI_GDA 3
- #define KLI_FREEMEM 4
- #define KLI_SYMMON_STK 5
- #define KLI_PI_ERROR 6
- #define KLI_KERN_VARS 7
- #define KLI_KERN_XP 8
- #define KLI_KERN_PARTID 9
- #ifndef __ASSEMBLY__
- #define KLD_BASE(nasid) ((kldir_ent_t *) KLDIR_ADDR(nasid))
- #define KLD_LAUNCH(nasid) (KLD_BASE(nasid) + KLI_LAUNCH)
- #define KLD_NMI(nasid) (KLD_BASE(nasid) + KLI_NMI)
- #define KLD_KLCONFIG(nasid) (KLD_BASE(nasid) + KLI_KLCONFIG)
- #define KLD_PI_ERROR(nasid) (KLD_BASE(nasid) + KLI_PI_ERROR)
- #define KLD_GDA(nasid) (KLD_BASE(nasid) + KLI_GDA)
- #define KLD_SYMMON_STK(nasid) (KLD_BASE(nasid) + KLI_SYMMON_STK)
- #define KLD_FREEMEM(nasid) (KLD_BASE(nasid) + KLI_FREEMEM)
- #define KLD_KERN_VARS(nasid) (KLD_BASE(nasid) + KLI_KERN_VARS)
- #define KLD_KERN_XP(nasid) (KLD_BASE(nasid) + KLI_KERN_XP)
- #define KLD_KERN_PARTID(nasid) (KLD_BASE(nasid) + KLI_KERN_PARTID)
- #ifndef CONFIG_IA64_SGI_SN2
- #define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(nasid)->offset
- #else
- #define KLCONFIG_OFFSET(nasid)
- ia64_sn_get_klconfig_addr(nasid)
- #endif /* CONFIG_IA64_SGI_SN2 */
- #define KLCONFIG_ADDR(nasid)
- TO_NODE_CAC((nasid), KLCONFIG_OFFSET(nasid))
- #define KLCONFIG_SIZE(nasid) KLD_KLCONFIG(nasid)->size
- #define GDA_ADDR(nasid) KLD_GDA(nasid)->pointer
- #define GDA_SIZE(nasid) KLD_GDA(nasid)->size
- #define NODE_OFFSET_TO_K0(_nasid, _off)
- (PAGE_OFFSET | NODE_OFFSET(_nasid) | (_off))
- #endif /* __ASSEMBLY__ */
- #endif /* _ASM_IA64_SN_ADDRS_H */