+++ /dev/null
-/*
- * 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 - 1997, 1999, 2000 Silicon Graphics, Inc.
- * Copyright (C) 1999, 2000 by Ralf Baechle
- */
-#ifndef _ASM_SN_ADDRS_H
-#define _ASM_SN_ADDRS_H
-
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#endif /* !__ASSEMBLY__ */
-
-#include <asm/addrspace.h>
-#include <asm/sn/kldir.h>
-
-#if defined(CONFIG_SGI_IP27)
-#include <asm/sn/sn0/addrs.h>
-#elif defined(CONFIG_SGI_IP35)
-#include <asm/sn/sn1/addrs.h>
-#endif
-
-
-#ifndef __ASSEMBLY__
-
-#define PS_UINT_CAST (unsigned long)
-#define UINT64_CAST (unsigned long)
-
-#define HUBREG_CAST (volatile hubreg_t *)
-
-#else /* __ASSEMBLY__ */
-
-#define PS_UINT_CAST
-#define UINT64_CAST
-#define HUBREG_CAST
-
-#endif /* __ASSEMBLY__ */
-
-
-#define NASID_GET_META(_n) ((_n) >> NASID_LOCAL_BITS)
-#ifdef CONFIG_SGI_IP27
-#define NASID_GET_LOCAL(_n) ((_n) & 0xf)
-#endif
-#define NASID_MAKE(_m, _l) (((_m) << NASID_LOCAL_BITS) | (_l))
-
-#define NODE_ADDRSPACE_MASK (NODE_ADDRSPACE_SIZE - 1)
-#define TO_NODE_ADDRSPACE(_pa) (UINT64_CAST (_pa) & NODE_ADDRSPACE_MASK)
-
-#define CHANGE_ADDR_NASID(_pa, _nasid) \
- ((UINT64_CAST(_pa) & ~NASID_MASK) | \
- (UINT64_CAST(_nasid) << NASID_SHFT))
-
-
-/*
- * The following macros are used to index to the beginning of a specific
- * node's address space.
- */
-
-#define NODE_OFFSET(_n) (UINT64_CAST (_n) << NODE_SIZE_BITS)
-
-#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.
- * UALIAS -- 256MB in size, reads in the UALIAS result in
- * uncached references to the memory of the reader's node.
- * CPU_UALIAS -- 128kb in size, the bottom part of UALIAS is flipped
- * depending on which CPU does the access to provide
- * all CPUs with unique uncached memory at low addresses.
- * 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.
- */
-
-#define UALIAS_BASE HSPEC_BASE
-#define UALIAS_SIZE 0x10000000 /* 256 Megabytes */
-#define UALIAS_LIMIT (UALIAS_BASE + UALIAS_SIZE)
-
-/*
- * The bottom of ualias space is flipped depending on whether you're
- * processor 0 or 1 within a node.
- */
-#ifdef CONFIG_SGI_IP27
-#define UALIAS_FLIP_BASE UALIAS_BASE
-#define UALIAS_FLIP_SIZE 0x20000
-#define UALIAS_FLIP_BIT 0x10000
-#define UALIAS_FLIP_ADDR(_x) (cputoslice(smp_processor_id()) ? \
- (_x) ^ UALIAS_FLIP_BIT : (_x))
-
-#define LBOOT_BASE (HSPEC_BASE + 0x10000000)
-#define LBOOT_SIZE 0x10000000
-#define LBOOT_LIMIT (LBOOT_BASE + LBOOT_SIZE)
-#define LBOOT_STRIDE 0 /* IP27 has only one CPU PROM */
-
-#endif
-
-#define HUB_REGISTER_WIDGET 1
-#define IALIAS_BASE NODE_SWIN_BASE(0, HUB_REGISTER_WIDGET)
-#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
- */
-
-#ifdef CONFIG_SGI_IP27
-#define RBOOT_SIZE 0x10000000 /* 256 Megabytes */
-#define NODE_RBOOT_BASE(_n) (NODE_HSPEC_BASE(_n) + 0x30000000)
-#define NODE_RBOOT_LIMIT(_n) (NODE_RBOOT_BASE(_n) + RBOOT_SIZE)
-
-#endif
-
-/*
- * Macros for referring the Hub's back door space
- *
- * These macros correctly process addresses in any node's space.
- * WARNING: They won't work in assembler.
- *
- * BDDIR_ENTRY_LO returns the address of the low double-word of the dir
- * entry corresponding to a physical (Cac or Uncac) address.
- * BDDIR_ENTRY_HI returns the address of the high double-word of the entry.
- * BDPRT_ENTRY returns the address of the double-word protection entry
- * corresponding to the page containing the physical address.
- * BDPRT_ENTRY_S Stores the value into the protection entry.
- * BDPRT_ENTRY_L Load the value from the protection entry.
- * BDECC_ENTRY returns the address of the ECC byte corresponding to a
- * double-word at a specified physical address.
- * BDECC_ENTRY_H returns the address of the two ECC bytes corresponding to a
- * quad-word at a specified physical address.
- */
-#define NODE_BDOOR_BASE(_n) (NODE_HSPEC_BASE(_n) + (NODE_ADDRSPACE_SIZE/2))
-
-#define NODE_BDECC_BASE(_n) (NODE_BDOOR_BASE(_n))
-#define NODE_BDDIR_BASE(_n) (NODE_BDOOR_BASE(_n) + (NODE_ADDRSPACE_SIZE/4))
-#ifdef CONFIG_SGI_IP27
-#define BDDIR_ENTRY_LO(_pa) ((HSPEC_BASE + \
- NODE_ADDRSPACE_SIZE * 3 / 4 + \
- 0x200) | \
- UINT64_CAST(_pa) & NASID_MASK | \
- UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
- UINT64_CAST(_pa) >> 3 & 0x1f << 4)
-
-#define BDDIR_ENTRY_HI(_pa) ((HSPEC_BASE + \
- NODE_ADDRSPACE_SIZE * 3 / 4 + \
- 0x208) | \
- UINT64_CAST(_pa) & NASID_MASK | \
- UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
- UINT64_CAST(_pa) >> 3 & 0x1f << 4)
-
-#define BDPRT_ENTRY(_pa, _rgn) ((HSPEC_BASE + \
- NODE_ADDRSPACE_SIZE * 3 / 4) | \
- UINT64_CAST(_pa) & NASID_MASK | \
- UINT64_CAST(_pa) >> 2 & BDDIR_UPPER_MASK | \
- (_rgn) << 3)
-#define BDPRT_ENTRY_ADDR(_pa, _rgn) (BDPRT_ENTRY((_pa), (_rgn)))
-#define BDPRT_ENTRY_S(_pa, _rgn, _val) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn))=(_val))
-#define BDPRT_ENTRY_L(_pa, _rgn) (*(__psunsigned_t *)BDPRT_ENTRY((_pa), (_rgn)))
-
-#define BDECC_ENTRY(_pa) ((HSPEC_BASE + \
- NODE_ADDRSPACE_SIZE / 2) | \
- UINT64_CAST(_pa) & NASID_MASK | \
- UINT64_CAST(_pa) >> 2 & BDECC_UPPER_MASK | \
- UINT64_CAST(_pa) >> 3 & 3)
-
-/*
- * Macro to convert a back door directory or protection address into the
- * raw physical address of the associated cache line or protection page.
- */
-#define BDADDR_IS_DIR(_ba) ((UINT64_CAST (_ba) & 0x200) != 0)
-#define BDADDR_IS_PRT(_ba) ((UINT64_CAST (_ba) & 0x200) == 0)
-
-#define BDDIR_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
- (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2 | \
- (UINT64_CAST(_ba) & 0x1f << 4) << 3)
-
-#define BDPRT_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
- (UINT64_CAST(_ba) & BDDIR_UPPER_MASK)<<2)
-
-#define BDECC_TO_MEM(_ba) (UINT64_CAST (_ba) & NASID_MASK | \
- (UINT64_CAST(_ba) & BDECC_UPPER_MASK)<<2 | \
- (UINT64_CAST(_ba) & 3) << 3)
-#endif /* CONFIG_SGI_IP27 */
-
-
-/*
- * 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.
- */
-
-/*
- * 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 LOCAL_HUB_ADDR(_x) (HUBREG_CAST (IALIAS_BASE + (_x)))
-#define REMOTE_HUB_ADDR(_n, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + \
- 0x800000 + (_x)))
-#ifdef CONFIG_SGI_IP27
-#define REMOTE_HUB_PI_ADDR(_n, _sn, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + \
- 0x800000 + (_x)))
-#endif /* CONFIG_SGI_IP27 */
-
-#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))
-
-#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 EX_HANDLER_OFFSET(slice) ((slice) << 16)
-#define EX_HANDLER_ADDR(nasid, slice) \
- PHYS_TO_K0(NODE_OFFSET(nasid) | EX_HANDLER_OFFSET(slice))
-#define EX_HANDLER_SIZE 0x0400
-
-#define EX_FRAME_OFFSET(slice) ((slice) << 16 | 0x400)
-#define EX_FRAME_ADDR(nasid, slice) \
- PHYS_TO_K0(NODE_OFFSET(nasid) | EX_FRAME_OFFSET(slice))
-#define EX_FRAME_SIZE 0x0c00
-
-#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_UNCAC((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)
-
-#define LAUNCH_OFFSET(nasid, slice) \
- (KLD_LAUNCH(nasid)->offset + \
- KLD_LAUNCH(nasid)->stride * (slice))
-#define LAUNCH_ADDR(nasid, slice) \
- TO_NODE_UNCAC((nasid), LAUNCH_OFFSET(nasid, slice))
-#define LAUNCH_SIZE(nasid) KLD_LAUNCH(nasid)->size
-
-#define NMI_OFFSET(nasid, slice) \
- (KLD_NMI(nasid)->offset + \
- KLD_NMI(nasid)->stride * (slice))
-#define NMI_ADDR(nasid, slice) \
- TO_NODE_UNCAC((nasid), NMI_OFFSET(nasid, slice))
-#define NMI_SIZE(nasid) KLD_NMI(nasid)->size
-
-#define KLCONFIG_OFFSET(nasid) KLD_KLCONFIG(nasid)->offset
-#define KLCONFIG_ADDR(nasid) \
- TO_NODE_UNCAC((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 SYMMON_STK_OFFSET(nasid, slice) \
- (KLD_SYMMON_STK(nasid)->offset + \
- KLD_SYMMON_STK(nasid)->stride * (slice))
-#define SYMMON_STK_STRIDE(nasid) KLD_SYMMON_STK(nasid)->stride
-
-#define SYMMON_STK_ADDR(nasid, slice) \
- TO_NODE_CAC((nasid), SYMMON_STK_OFFSET(nasid, slice))
-
-#define SYMMON_STK_SIZE(nasid) KLD_SYMMON_STK(nasid)->stride
-
-#define SYMMON_STK_END(nasid) (SYMMON_STK_ADDR(nasid, 0) + KLD_SYMMON_STK(nasid)->size)
-
-/* loading symmon 4k below UNIX. the arcs loader needs the topaddr for a
- * relocatable program
- */
-#define UNIX_DEBUG_LOADADDR 0x300000
-#define SYMMON_LOADADDR(nasid) \
- TO_NODE(nasid, PHYS_TO_K0(UNIX_DEBUG_LOADADDR - 0x1000))
-
-#define FREEMEM_OFFSET(nasid) KLD_FREEMEM(nasid)->offset
-#define FREEMEM_ADDR(nasid) SYMMON_STK_END(nasid)
-/*
- * XXX
- * Fix this. FREEMEM_ADDR should be aware of if symmon is loaded.
- * Also, it should take into account what prom thinks to be a safe
- * address
- PHYS_TO_K0(NODE_OFFSET(nasid) + FREEMEM_OFFSET(nasid))
- */
-#define FREEMEM_SIZE(nasid) KLD_FREEMEM(nasid)->size
-
-#define PI_ERROR_OFFSET(nasid) KLD_PI_ERROR(nasid)->offset
-#define PI_ERROR_ADDR(nasid) \
- TO_NODE_UNCAC((nasid), PI_ERROR_OFFSET(nasid))
-#define PI_ERROR_SIZE(nasid) KLD_PI_ERROR(nasid)->size
-
-#define NODE_OFFSET_TO_K0(_nasid, _off) \
- PHYS_TO_K0((NODE_OFFSET(_nasid) + (_off)) | CAC_BASE)
-#define NODE_OFFSET_TO_K1(_nasid, _off) \
- TO_UNCAC((NODE_OFFSET(_nasid) + (_off)) | UNCAC_BASE)
-#define K0_TO_NODE_OFFSET(_k0addr) \
- ((__psunsigned_t)(_k0addr) & NODE_ADDRSPACE_MASK)
-
-#define KERN_VARS_ADDR(nasid) KLD_KERN_VARS(nasid)->pointer
-#define KERN_VARS_SIZE(nasid) KLD_KERN_VARS(nasid)->size
-
-#define KERN_XP_ADDR(nasid) KLD_KERN_XP(nasid)->pointer
-#define KERN_XP_SIZE(nasid) KLD_KERN_XP(nasid)->size
-
-#define GPDA_ADDR(nasid) TO_NODE_CAC(nasid, GPDA_OFFSET)
-
-#endif /* !__ASSEMBLY__ */
-
-
-#endif /* _ASM_SN_ADDRS_H */
projects / karo-tx-linux.git / blobdiff