diff options
Diffstat (limited to 'include/asm-mips/sn/addrs.h')
| -rw-r--r-- | include/asm-mips/sn/addrs.h | 430 |
1 files changed, 0 insertions, 430 deletions
diff --git a/include/asm-mips/sn/addrs.h b/include/asm-mips/sn/addrs.h deleted file mode 100644 index fec9bdd3491..00000000000 --- a/include/asm-mips/sn/addrs.h +++ /dev/null @@ -1,430 +0,0 @@ -/* - * 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 */ |