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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | /* |
| 3 | * Derived from IRIX <sys/SN/kldir.h>, revision 1.21. |
| 4 | * |
| 5 | * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc. |
| 6 | * Copyright (C) 1999, 2000 by Ralf Baechle |
| 7 | */ |
| 8 | #ifndef _ASM_SN_SN0_KLDIR_H |
| 9 | #define _ASM_SN_SN0_KLDIR_H |
| 10 | |
| 11 | |
| 12 | /* |
| 13 | * The kldir memory area resides at a fixed place in each node's memory and |
| 14 | * provides pointers to most other IP27 memory areas. This allows us to |
| 15 | * resize and/or relocate memory areas at a later time without breaking all |
| 16 | * firmware and kernels that use them. Indices in the array are |
| 17 | * permanently dedicated to areas listed below. Some memory areas (marked |
| 18 | * below) reside at a permanently fixed location, but are included in the |
| 19 | * directory for completeness. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * The upper portion of the memory map applies during boot |
| 24 | * only and is overwritten by IRIX/SYMMON. |
| 25 | * |
| 26 | * MEMORY MAP PER NODE |
| 27 | * |
| 28 | * 0x2000000 (32M) +-----------------------------------------+ |
| 29 | * | IO6 BUFFERS FOR FLASH ENET IOC3 | |
| 30 | * 0x1F80000 (31.5M) +-----------------------------------------+ |
| 31 | * | IO6 TEXT/DATA/BSS/stack | |
| 32 | * 0x1C00000 (30M) +-----------------------------------------+ |
| 33 | * | IO6 PROM DEBUG TEXT/DATA/BSS/stack | |
| 34 | * 0x0800000 (28M) +-----------------------------------------+ |
| 35 | * | IP27 PROM TEXT/DATA/BSS/stack | |
| 36 | * 0x1B00000 (27M) +-----------------------------------------+ |
| 37 | * | IP27 CFG | |
| 38 | * 0x1A00000 (26M) +-----------------------------------------+ |
| 39 | * | Graphics PROM | |
| 40 | * 0x1800000 (24M) +-----------------------------------------+ |
| 41 | * | 3rd Party PROM drivers | |
| 42 | * 0x1600000 (22M) +-----------------------------------------+ |
| 43 | * | | |
| 44 | * | Free | |
| 45 | * | | |
| 46 | * +-----------------------------------------+ |
| 47 | * | UNIX DEBUG Version | |
| 48 | * 0x190000 (2M--) +-----------------------------------------+ |
| 49 | * | SYMMON | |
| 50 | * | (For UNIX Debug only) | |
| 51 | * 0x34000 (208K) +-----------------------------------------+ |
| 52 | * | SYMMON STACK [NUM_CPU_PER_NODE] | |
| 53 | * | (For UNIX Debug only) | |
| 54 | * 0x25000 (148K) +-----------------------------------------+ |
| 55 | * | KLCONFIG - II (temp) | |
| 56 | * | | |
| 57 | * | ---------------------------- | |
| 58 | * | | |
| 59 | * | UNIX NON-DEBUG Version | |
| 60 | * 0x19000 (100K) +-----------------------------------------+ |
| 61 | * |
| 62 | * |
| 63 | * The lower portion of the memory map contains information that is |
| 64 | * permanent and is used by the IP27PROM, IO6PROM and IRIX. |
| 65 | * |
| 66 | * 0x19000 (100K) +-----------------------------------------+ |
| 67 | * | | |
| 68 | * | PI Error Spools (32K) | |
| 69 | * | | |
| 70 | * 0x12000 (72K) +-----------------------------------------+ |
| 71 | * | Unused | |
| 72 | * 0x11c00 (71K) +-----------------------------------------+ |
| 73 | * | CPU 1 NMI Eframe area | |
| 74 | * 0x11a00 (70.5K) +-----------------------------------------+ |
| 75 | * | CPU 0 NMI Eframe area | |
| 76 | * 0x11800 (70K) +-----------------------------------------+ |
| 77 | * | CPU 1 NMI Register save area | |
| 78 | * 0x11600 (69.5K) +-----------------------------------------+ |
| 79 | * | CPU 0 NMI Register save area | |
| 80 | * 0x11400 (69K) +-----------------------------------------+ |
| 81 | * | GDA (1k) | |
| 82 | * 0x11000 (68K) +-----------------------------------------+ |
| 83 | * | Early cache Exception stack | |
| 84 | * | and/or | |
| 85 | * | kernel/io6prom nmi registers | |
| 86 | * 0x10800 (66k) +-----------------------------------------+ |
| 87 | * | cache error eframe | |
| 88 | * 0x10400 (65K) +-----------------------------------------+ |
| 89 | * | Exception Handlers (UALIAS copy) | |
| 90 | * 0x10000 (64K) +-----------------------------------------+ |
| 91 | * | | |
| 92 | * | | |
| 93 | * | KLCONFIG - I (permanent) (48K) | |
| 94 | * | | |
| 95 | * | | |
| 96 | * | | |
| 97 | * 0x4000 (16K) +-----------------------------------------+ |
| 98 | * | NMI Handler (Protected Page) | |
| 99 | * 0x3000 (12K) +-----------------------------------------+ |
| 100 | * | ARCS PVECTORS (master node only) | |
| 101 | * 0x2c00 (11K) +-----------------------------------------+ |
| 102 | * | ARCS TVECTORS (master node only) | |
| 103 | * 0x2800 (10K) +-----------------------------------------+ |
| 104 | * | LAUNCH [NUM_CPU] | |
| 105 | * 0x2400 (9K) +-----------------------------------------+ |
| 106 | * | Low memory directory (KLDIR) | |
| 107 | * 0x2000 (8K) +-----------------------------------------+ |
| 108 | * | ARCS SPB (1K) | |
| 109 | * 0x1000 (4K) +-----------------------------------------+ |
| 110 | * | Early cache Exception stack | |
| 111 | * | and/or | |
| 112 | * | kernel/io6prom nmi registers | |
| 113 | * 0x800 (2k) +-----------------------------------------+ |
| 114 | * | cache error eframe | |
| 115 | * 0x400 (1K) +-----------------------------------------+ |
| 116 | * | Exception Handlers | |
| 117 | * 0x0 (0K) +-----------------------------------------+ |
| 118 | */ |
| 119 | |
| 120 | /* |
| 121 | * This is defined here because IP27_SYMMON_STK_SIZE must be at least what |
| 122 | * we define here. Since it's set up in the prom. We can't redefine it later |
| 123 | * and expect more space to be allocated. The way to find out the true size |
| 124 | * of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE |
| 125 | * for a particular node. |
| 126 | */ |
| 127 | #define SYMMON_STACK_SIZE 0x8000 |
| 128 | |
| 129 | #if defined(PROM) |
| 130 | |
| 131 | /* |
| 132 | * These defines are prom version dependent. No code other than the IP27 |
| 133 | * prom should attempt to use these values. |
| 134 | */ |
| 135 | #define IP27_LAUNCH_OFFSET 0x2400 |
| 136 | #define IP27_LAUNCH_SIZE 0x400 |
| 137 | #define IP27_LAUNCH_COUNT 2 |
| 138 | #define IP27_LAUNCH_STRIDE 0x200 |
| 139 | |
| 140 | #define IP27_KLCONFIG_OFFSET 0x4000 |
| 141 | #define IP27_KLCONFIG_SIZE 0xc000 |
| 142 | #define IP27_KLCONFIG_COUNT 1 |
| 143 | #define IP27_KLCONFIG_STRIDE 0 |
| 144 | |
| 145 | #define IP27_NMI_OFFSET 0x3000 |
| 146 | #define IP27_NMI_SIZE 0x40 |
| 147 | #define IP27_NMI_COUNT 2 |
| 148 | #define IP27_NMI_STRIDE 0x40 |
| 149 | |
| 150 | #define IP27_PI_ERROR_OFFSET 0x12000 |
| 151 | #define IP27_PI_ERROR_SIZE 0x4000 |
| 152 | #define IP27_PI_ERROR_COUNT 1 |
| 153 | #define IP27_PI_ERROR_STRIDE 0 |
| 154 | |
| 155 | #define IP27_SYMMON_STK_OFFSET 0x25000 |
| 156 | #define IP27_SYMMON_STK_SIZE 0xe000 |
| 157 | #define IP27_SYMMON_STK_COUNT 2 |
| 158 | /* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */ |
| 159 | #define IP27_SYMMON_STK_STRIDE 0x7000 |
| 160 | |
| 161 | #define IP27_FREEMEM_OFFSET 0x19000 |
| 162 | #define IP27_FREEMEM_SIZE -1 |
| 163 | #define IP27_FREEMEM_COUNT 1 |
| 164 | #define IP27_FREEMEM_STRIDE 0 |
| 165 | |
| 166 | #endif /* PROM */ |
| 167 | /* |
| 168 | * There will be only one of these in a partition so the IO6 must set it up. |
| 169 | */ |
| 170 | #define IO6_GDA_OFFSET 0x11000 |
| 171 | #define IO6_GDA_SIZE 0x400 |
| 172 | #define IO6_GDA_COUNT 1 |
| 173 | #define IO6_GDA_STRIDE 0 |
| 174 | |
| 175 | /* |
| 176 | * save area of kernel nmi regs in the prom format |
| 177 | */ |
| 178 | #define IP27_NMI_KREGS_OFFSET 0x11400 |
| 179 | #define IP27_NMI_KREGS_CPU_SIZE 0x200 |
| 180 | /* |
| 181 | * save area of kernel nmi regs in eframe format |
| 182 | */ |
| 183 | #define IP27_NMI_EFRAME_OFFSET 0x11800 |
| 184 | #define IP27_NMI_EFRAME_SIZE 0x200 |
| 185 | |
| 186 | #endif /* _ASM_SN_SN0_KLDIR_H */ |
| 187 |
Warning: This file is not a C or C++ file. It does not have highlighting.