X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-ia64%2Fsn%2Faddrs.h;h=3ce60976d474b86c89b35c570120ee0245c9ceb4;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=550365c7f4ef4e4b1b3e6c3ef5e06ab76c0a36f4;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git diff --git a/include/asm-ia64/sn/addrs.h b/include/asm-ia64/sn/addrs.h index 550365c7f..3ce60976d 100644 --- a/include/asm-ia64/sn/addrs.h +++ b/include/asm-ia64/sn/addrs.h @@ -3,227 +3,235 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 1992-1999,2001-2003 Silicon Graphics, Inc. All rights reserved. + * Copyright (c) 1992-1999,2001-2004 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_ADDRS_H #define _ASM_IA64_SN_ADDRS_H -#include - -#ifndef __ASSEMBLY__ +#include #include -#endif - -#define HUBREG_CAST (volatile mmr_t *) - +#include /* - * The following macros are used to index to the beginning of a specific - * node's address space. + * Memory/SHUB Address Format: + * +-+---------+--+--------------+ + * |0| NASID |AS| NodeOffset | + * +-+---------+--+--------------+ + * + * NASID: (low NASID bit is 0) Memory and SHUB MMRs + * AS: 2-bit Address Space Identifier. Used only if low NASID bit is 0 + * 00: Local Resources and MMR space + * Top bit of NodeOffset + * 0: Local resources space + * node id: + * 0: IA64/NT compatibility space + * 2: Local MMR Space + * 4: Local memory, regardless of local node id + * 1: Global MMR space + * 01: GET space. + * 10: AMO space. + * 11: Cacheable memory space. + * + * NodeOffset: byte offset + * + * + * TIO address format: + * +-+----------+--+--------------+ + * |0| NASID |AS| Nodeoffset | + * +-+----------+--+--------------+ + * + * NASID: (low NASID bit is 1) TIO + * AS: 2-bit Chiplet Identifier + * 00: TIO LB (Indicates TIO MMR access.) + * 01: TIO ICE (indicates coretalk space access.) + * + * NodeOffset: top bit must be set. + * + * + * Note that in both of the above address formats, the low + * NASID bit indicates if the reference is to the SHUB or TIO MMRs. */ -#define NODE_OFFSET(_n) ((uint64_t) (_n) << NASID_SHFT) - -#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 basic shift & mask constants for manipulating NASIDs and AS values. + */ +#define NASID_BITMASK (pda->nasid_bitmask) +#define NASID_SHIFT (pda->nasid_shift) +#define AS_SHIFT (pda->as_shift) +#define AS_BITMASK 0x3UL -#define RAW_NODE_SWIN_BASE(nasid, widget) \ - (NODE_IO_BASE(nasid) + ((uint64_t) (widget) << SWIN_SIZE_BITS)) +#define NASID_MASK ((u64)NASID_BITMASK << NASID_SHIFT) +#define AS_MASK ((u64)AS_BITMASK << AS_SHIFT) +#define REGION_BITS 0xe000000000000000UL -#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. + * AS values. These are the same on both SHUB1 & SHUB2. */ +#define AS_GET_VAL 1UL +#define AS_AMO_VAL 2UL +#define AS_CAC_VAL 3UL +#define AS_GET_SPACE (AS_GET_VAL << AS_SHIFT) +#define AS_AMO_SPACE (AS_AMO_VAL << AS_SHIFT) +#define AS_CAC_SPACE (AS_CAC_VAL << AS_SHIFT) -#define SWIN_SIZE_BITS 24 -#define SWIN_SIZE (1UL << 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 + * Base addresses for various address ranges. */ -#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 CACHED 0xe000000000000000UL +#define UNCACHED 0xc000000000000000UL +#define UNCACHED_PHYS 0x8000000000000000UL + + +/* + * Virtual Mode Local & Global MMR space. */ -#define NODE_SWIN_ADDR(nasid, addr) \ - (((addr) >= NODE_SWIN_BASE(nasid, 0)) && \ - ((addr) < (NODE_SWIN_BASE(nasid, HUB_NUM_WIDGET) + SWIN_SIZE)\ - )) +#define SH1_LOCAL_MMR_OFFSET 0x8000000000UL +#define SH2_LOCAL_MMR_OFFSET 0x0200000000UL +#define LOCAL_MMR_OFFSET (is_shub2() ? SH2_LOCAL_MMR_OFFSET : SH1_LOCAL_MMR_OFFSET) +#define LOCAL_MMR_SPACE (UNCACHED | LOCAL_MMR_OFFSET) +#define LOCAL_PHYS_MMR_SPACE (UNCACHED_PHYS | LOCAL_MMR_OFFSET) + +#define SH1_GLOBAL_MMR_OFFSET 0x0800000000UL +#define SH2_GLOBAL_MMR_OFFSET 0x0300000000UL +#define GLOBAL_MMR_OFFSET (is_shub2() ? SH2_GLOBAL_MMR_OFFSET : SH1_GLOBAL_MMR_OFFSET) +#define GLOBAL_MMR_SPACE (UNCACHED | GLOBAL_MMR_OFFSET) /* - * 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. + * Physical mode addresses */ +#define GLOBAL_PHYS_MMR_SPACE (UNCACHED_PHYS | GLOBAL_MMR_OFFSET) -#define HUB_REGISTER_WIDGET 1 -#define IALIAS_BASE LOCAL_SWIN_BASE(HUB_REGISTER_WIDGET) -#define IALIAS_SIZE 0x800000 /* 8 Megabytes */ -#define IS_IALIAS(_a) (((_a) >= IALIAS_BASE) && \ - ((_a) < (IALIAS_BASE + IALIAS_SIZE))) /* - * 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. + * Clear region & AS bits. */ +#define TO_PHYS_MASK (~(REGION_BITS | AS_MASK)) /* - * SN2 has II mmr's located inside small window space. - * As all other non-II mmr's located at the top of big window - * space. + * Misc NASID manipulation. */ -#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 NASID_SPACE(n) ((u64)(n) << NASID_SHIFT) +#define REMOTE_ADDR(n,a) (NASID_SPACE(n) | (a)) +#define NODE_OFFSET(x) ((x) & (NODE_ADDRSPACE_SIZE - 1)) +#define NODE_ADDRSPACE_SIZE (1UL << AS_SHIFT) +#define NASID_GET(x) (int) (((u64) (x) >> NASID_SHIFT) & NASID_BITMASK) +#define LOCAL_MMR_ADDR(a) (LOCAL_MMR_SPACE | (a)) +#define GLOBAL_MMR_ADDR(n,a) (GLOBAL_MMR_SPACE | REMOTE_ADDR(n,a)) +#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 LOCAL_HUB(_x) (HUBREG_CAST LOCAL_HUB_BASE(_x)) -#define REMOTE_HUB(_n, _x) \ - (HUBREG_CAST (REMOTE_HUB_BASE(_x) | ((((long)(_n))<> 2) | NODE_OFFSET(x)) -#endif /* __ASSEMBLY__ */ /* - * The following macros are used to get to a hub/bridge register, given - * the base of the register space. + * 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 HUB_REG_PTR(_base, _off) \ - (HUBREG_CAST ((unsigned long)(_base) + (__psunsigned_t)(_off))) +#define BWIN_SIZE_BITS 29 /* big window size: 512M */ +#define TIO_BWIN_SIZE_BITS 30 /* big window size: 1G */ +#define NODE_SWIN_BASE(n, w) ((w == 0) ? NODE_BWIN_BASE((n), SWIN0_BIGWIN) \ + : RAW_NODE_SWIN_BASE(n, w)) +#define NODE_IO_BASE(n) (GLOBAL_MMR_SPACE | NASID_SPACE(n)) +#define BWIN_SIZE (1UL << BWIN_SIZE_BITS) +#define NODE_BWIN_BASE0(n) (NODE_IO_BASE(n) + BWIN_SIZE) +#define NODE_BWIN_BASE(n, w) (NODE_BWIN_BASE0(n) + ((u64) (w) << BWIN_SIZE_BITS)) +#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 TIO_BWIN_WINDOW_SELECT_MASK 0x7 +#define TIO_BWIN_WINDOWNUM(x) (((x) >> TIO_BWIN_SIZE_BITS) & TIO_BWIN_WINDOW_SELECT_MASK) -#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 + * 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 PHYS_RAMBASE 0x0 -#define K0_RAMBASE PHYS_TO_K0(PHYS_RAMBASE) +#define SWIN_SIZE_BITS 24 +#define SWIN_WIDGET_MASK 0xF -#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 TIO_SWIN_SIZE_BITS 28 +#define TIO_SWIN_SIZE (1UL << TIO_SWIN_SIZE_BITS) +#define TIO_SWIN_WIDGET_MASK 0x3 -#define KLDIR_OFFSET 0x2000 -#define KLDIR_ADDR(nasid) \ - TO_NODE_CAC((nasid), KLDIR_OFFSET) -#define KLDIR_SIZE 0x0400 +/* + * 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_WIDGETNUM(x) (((x) >> SWIN_SIZE_BITS) & SWIN_WIDGET_MASK) +#define TIO_SWIN_WIDGETNUM(x) (((x) >> TIO_SWIN_SIZE_BITS) & TIO_SWIN_WIDGET_MASK) /* - * Software structure locations -- indirected through KLDIR - * See diagram in kldir.h + * The following macros produce the correct base virtual address for + * the hub 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. * - * 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) - -#define KLCONFIG_OFFSET(nasid) ia64_sn_get_klconfig_addr(nasid) - -#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) \ - (CACHEABLE_MEM_SPACE | NODE_OFFSET(_nasid) | (_off)) - -#endif /* __ASSEMBLY__ */ + * 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. + */ +#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)))\ + : ((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)) + +#define REMOTE_HUB_L(n, a) HUB_L(REMOTE_HUB_ADDR((n), (a))) +#define REMOTE_HUB_S(n, a, d) HUB_S(REMOTE_HUB_ADDR((n), (a)), (d)) + #endif /* _ASM_IA64_SN_ADDRS_H */