Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Written by: Garry Forsgren, Unisys Corporation |
| 3 | * Natalie Protasevich, Unisys Corporation |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 4 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * This file contains the code to configure and interface |
| 6 | * with Unisys ES7000 series hardware system manager. |
| 7 | * |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 8 | * Copyright (c) 2003 Unisys Corporation. |
| 9 | * Copyright (C) 2009, Red Hat, Inc., Ingo Molnar |
| 10 | * |
| 11 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify it |
| 14 | * under the terms of version 2 of the GNU General Public License as |
| 15 | * published by the Free Software Foundation. |
| 16 | * |
| 17 | * This program is distributed in the hope that it would be useful, but |
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License along |
| 22 | * with this program; if not, write the Free Software Foundation, Inc., 59 |
| 23 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. |
| 24 | * |
| 25 | * Contact information: Unisys Corporation, Township Line & Union Meeting |
| 26 | * Roads-A, Unisys Way, Blue Bell, Pennsylvania, 19424, or: |
| 27 | * |
| 28 | * http://www.unisys.com |
| 29 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/notifier.h> |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 31 | #include <linux/spinlock.h> |
| 32 | #include <linux/cpumask.h> |
| 33 | #include <linux/threads.h> |
| 34 | #include <linux/kernel.h> |
| 35 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <linux/reboot.h> |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 37 | #include <linux/string.h> |
| 38 | #include <linux/types.h> |
| 39 | #include <linux/errno.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | #include <linux/acpi.h> |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 41 | #include <linux/init.h> |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 42 | #include <linux/nmi.h> |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 43 | #include <linux/smp.h> |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 44 | #include <linux/io.h> |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 45 | |
| 46 | #include <asm/apicdef.h> |
| 47 | #include <asm/atomic.h> |
| 48 | #include <asm/fixmap.h> |
| 49 | #include <asm/mpspec.h> |
| 50 | #include <asm/setup.h> |
| 51 | #include <asm/apic.h> |
| 52 | #include <asm/ipi.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
| 54 | /* |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 55 | * ES7000 chipsets |
| 56 | */ |
| 57 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 58 | #define NON_UNISYS 0 |
| 59 | #define ES7000_CLASSIC 1 |
| 60 | #define ES7000_ZORRO 2 |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 61 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 62 | #define MIP_REG 1 |
| 63 | #define MIP_PSAI_REG 4 |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 64 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 65 | #define MIP_BUSY 1 |
| 66 | #define MIP_SPIN 0xf0000 |
| 67 | #define MIP_VALID 0x0100000000000000ULL |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 68 | #define MIP_SW_APIC 0x1020b |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 69 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 70 | #define MIP_PORT(val) ((val >> 32) & 0xffff) |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 71 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 72 | #define MIP_RD_LO(val) (val & 0xffffffff) |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 73 | |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 74 | struct mip_reg { |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 75 | unsigned long long off_0x00; |
| 76 | unsigned long long off_0x08; |
| 77 | unsigned long long off_0x10; |
| 78 | unsigned long long off_0x18; |
| 79 | unsigned long long off_0x20; |
| 80 | unsigned long long off_0x28; |
| 81 | unsigned long long off_0x30; |
| 82 | unsigned long long off_0x38; |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 83 | }; |
| 84 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 85 | struct mip_reg_info { |
| 86 | unsigned long long mip_info; |
| 87 | unsigned long long delivery_info; |
| 88 | unsigned long long host_reg; |
| 89 | unsigned long long mip_reg; |
| 90 | }; |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 91 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 92 | struct psai { |
| 93 | unsigned long long entry_type; |
| 94 | unsigned long long addr; |
| 95 | unsigned long long bep_addr; |
| 96 | }; |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 97 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 98 | #ifdef CONFIG_ACPI |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 99 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 100 | struct es7000_oem_table { |
| 101 | struct acpi_table_header Header; |
| 102 | u32 OEMTableAddr; |
| 103 | u32 OEMTableSize; |
| 104 | }; |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 105 | |
| 106 | static unsigned long oem_addrX; |
| 107 | static unsigned long oem_size; |
| 108 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 109 | #endif |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 110 | |
Yinghai Lu | 1625324 | 2008-08-27 23:01:16 -0700 | [diff] [blame] | 111 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | * ES7000 Globals |
| 113 | */ |
| 114 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 115 | static volatile unsigned long *psai; |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 116 | static struct mip_reg *mip_reg; |
| 117 | static struct mip_reg *host_reg; |
| 118 | static int mip_port; |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 119 | static unsigned long mip_addr; |
| 120 | static unsigned long host_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 122 | int es7000_plat; |
Alexey Starikovskiy | 32c5061 | 2008-05-14 19:02:51 +0400 | [diff] [blame] | 123 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | /* |
| 125 | * GSI override for ES7000 platforms. |
| 126 | */ |
| 127 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 128 | static unsigned int base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
| 130 | static int |
| 131 | es7000_rename_gsi(int ioapic, int gsi) |
| 132 | { |
Natalie.Protasevich@unisys.com | 9338316 | 2005-10-30 14:59:38 -0800 | [diff] [blame] | 133 | if (es7000_plat == ES7000_ZORRO) |
| 134 | return gsi; |
| 135 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | if (!base) { |
| 137 | int i; |
| 138 | for (i = 0; i < nr_ioapics; i++) |
| 139 | base += nr_ioapic_registers[i]; |
| 140 | } |
| 141 | |
Yinghai Lu | c7e7964 | 2008-07-25 02:17:33 -0700 | [diff] [blame] | 142 | if (!ioapic && (gsi < 16)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | gsi += base; |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 144 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | return gsi; |
| 146 | } |
| 147 | |
Cyrill Gorcunov | 667c529 | 2009-04-19 11:43:11 +0400 | [diff] [blame] | 148 | static int __cpuinit wakeup_secondary_cpu_via_mip(int cpu, unsigned long eip) |
Yinghai Lu | 569712b | 2008-11-16 03:12:49 -0800 | [diff] [blame] | 149 | { |
| 150 | unsigned long vect = 0, psaival = 0; |
| 151 | |
| 152 | if (psai == NULL) |
| 153 | return -1; |
| 154 | |
| 155 | vect = ((unsigned long)__pa(eip)/0x1000) << 16; |
| 156 | psaival = (0x1000000 | vect | cpu); |
| 157 | |
| 158 | while (*psai & 0x1000000) |
| 159 | ; |
| 160 | |
| 161 | *psai = psaival; |
| 162 | |
| 163 | return 0; |
| 164 | } |
Yinghai Lu | 54ac14a | 2008-11-17 15:19:53 -0800 | [diff] [blame] | 165 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 166 | static int es7000_apic_is_cluster(void) |
Yinghai Lu | 54ac14a | 2008-11-17 15:19:53 -0800 | [diff] [blame] | 167 | { |
Yinghai Lu | b5fe363 | 2008-11-18 08:14:14 -0800 | [diff] [blame] | 168 | /* MPENTIUMIII */ |
| 169 | if (boot_cpu_data.x86 == 6 && |
Roel Kluin | 005155b | 2009-08-25 15:35:12 +0200 | [diff] [blame] | 170 | (boot_cpu_data.x86_model >= 7 && boot_cpu_data.x86_model <= 11)) |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 171 | return 1; |
Yinghai Lu | b5fe363 | 2008-11-18 08:14:14 -0800 | [diff] [blame] | 172 | |
Yinghai Lu | 54ac14a | 2008-11-17 15:19:53 -0800 | [diff] [blame] | 173 | return 0; |
| 174 | } |
Yinghai Lu | 569712b | 2008-11-16 03:12:49 -0800 | [diff] [blame] | 175 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 176 | static void setup_unisys(void) |
Natalie.Protasevich@unisys.com | 56f1d5d | 2005-09-03 15:56:34 -0700 | [diff] [blame] | 177 | { |
| 178 | /* |
| 179 | * Determine the generation of the ES7000 currently running. |
| 180 | * |
| 181 | * es7000_plat = 1 if the machine is a 5xx ES7000 box |
| 182 | * es7000_plat = 2 if the machine is a x86_64 ES7000 box |
| 183 | * |
| 184 | */ |
| 185 | if (!(boot_cpu_data.x86 <= 15 && boot_cpu_data.x86_model <= 2)) |
Natalie.Protasevich@unisys.com | 9338316 | 2005-10-30 14:59:38 -0800 | [diff] [blame] | 186 | es7000_plat = ES7000_ZORRO; |
Natalie.Protasevich@unisys.com | 56f1d5d | 2005-09-03 15:56:34 -0700 | [diff] [blame] | 187 | else |
Natalie.Protasevich@unisys.com | 9338316 | 2005-10-30 14:59:38 -0800 | [diff] [blame] | 188 | es7000_plat = ES7000_CLASSIC; |
Natalie.Protasevich@unisys.com | 56f1d5d | 2005-09-03 15:56:34 -0700 | [diff] [blame] | 189 | ioapic_renumber_irq = es7000_rename_gsi; |
| 190 | } |
| 191 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | /* |
Ingo Molnar | d3185b3 | 2009-02-17 15:13:05 +0100 | [diff] [blame] | 193 | * Parse the OEM Table: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | */ |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 195 | static int parse_unisys_oem(char *oemptr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | { |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 197 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | int success = 0; |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 199 | unsigned char type, size; |
| 200 | unsigned long val; |
| 201 | char *tp = NULL; |
| 202 | struct psai *psaip = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | struct mip_reg_info *mi; |
| 204 | struct mip_reg *host, *mip; |
| 205 | |
| 206 | tp = oemptr; |
| 207 | |
| 208 | tp += 8; |
| 209 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 210 | for (i = 0; i <= 6; i++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | type = *tp++; |
| 212 | size = *tp++; |
| 213 | tp -= 2; |
| 214 | switch (type) { |
| 215 | case MIP_REG: |
| 216 | mi = (struct mip_reg_info *)tp; |
| 217 | val = MIP_RD_LO(mi->host_reg); |
| 218 | host_addr = val; |
| 219 | host = (struct mip_reg *)val; |
| 220 | host_reg = __va(host); |
| 221 | val = MIP_RD_LO(mi->mip_reg); |
| 222 | mip_port = MIP_PORT(mi->mip_info); |
| 223 | mip_addr = val; |
| 224 | mip = (struct mip_reg *)val; |
| 225 | mip_reg = __va(mip); |
Thomas Gleixner | 5171c30 | 2008-07-21 21:58:34 +0200 | [diff] [blame] | 226 | pr_debug("es7000_mipcfg: host_reg = 0x%lx \n", |
| 227 | (unsigned long)host_reg); |
| 228 | pr_debug("es7000_mipcfg: mip_reg = 0x%lx \n", |
| 229 | (unsigned long)mip_reg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | success++; |
| 231 | break; |
| 232 | case MIP_PSAI_REG: |
| 233 | psaip = (struct psai *)tp; |
| 234 | if (tp != NULL) { |
| 235 | if (psaip->addr) |
| 236 | psai = __va(psaip->addr); |
| 237 | else |
| 238 | psai = NULL; |
| 239 | success++; |
| 240 | } |
| 241 | break; |
| 242 | default: |
| 243 | break; |
| 244 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 245 | tp += size; |
| 246 | } |
| 247 | |
Ingo Molnar | d3185b3 | 2009-02-17 15:13:05 +0100 | [diff] [blame] | 248 | if (success < 2) |
Natalie.Protasevich@unisys.com | 9338316 | 2005-10-30 14:59:38 -0800 | [diff] [blame] | 249 | es7000_plat = NON_UNISYS; |
Ingo Molnar | d3185b3 | 2009-02-17 15:13:05 +0100 | [diff] [blame] | 250 | else |
Natalie.Protasevich@unisys.com | 56f1d5d | 2005-09-03 15:56:34 -0700 | [diff] [blame] | 251 | setup_unisys(); |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 252 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | return es7000_plat; |
| 254 | } |
| 255 | |
Natalie.Protasevich@unisys.com | e5428ed | 2006-03-23 02:59:36 -0800 | [diff] [blame] | 256 | #ifdef CONFIG_ACPI |
Sam Ravnborg | b74d446 | 2009-05-09 15:35:10 +0600 | [diff] [blame] | 257 | static int __init find_unisys_acpi_oem_table(unsigned long *oem_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | { |
Alexey Starikovskiy | ceb6c46 | 2007-02-02 19:48:22 +0300 | [diff] [blame] | 259 | struct acpi_table_header *header = NULL; |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 260 | struct es7000_oem_table *table; |
Yinghai Lu | b825e6c | 2009-02-07 15:39:41 -0800 | [diff] [blame] | 261 | acpi_size tbl_size; |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 262 | acpi_status ret; |
| 263 | int i = 0; |
Yinghai Lu | a73aaed | 2008-09-14 02:33:14 -0700 | [diff] [blame] | 264 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 265 | for (;;) { |
| 266 | ret = acpi_get_table_with_size("OEM1", i++, &header, &tbl_size); |
| 267 | if (!ACPI_SUCCESS(ret)) |
| 268 | return -1; |
Yinghai Lu | a73aaed | 2008-09-14 02:33:14 -0700 | [diff] [blame] | 269 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 270 | if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) |
| 271 | break; |
Yinghai Lu | a73aaed | 2008-09-14 02:33:14 -0700 | [diff] [blame] | 272 | |
Yinghai Lu | b825e6c | 2009-02-07 15:39:41 -0800 | [diff] [blame] | 273 | early_acpi_os_unmap_memory(header, tbl_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | } |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 275 | |
| 276 | table = (void *)header; |
| 277 | |
| 278 | oem_addrX = table->OEMTableAddr; |
| 279 | oem_size = table->OEMTableSize; |
| 280 | |
| 281 | early_acpi_os_unmap_memory(header, tbl_size); |
| 282 | |
| 283 | *oem_addr = (unsigned long)__acpi_map_table(oem_addrX, oem_size); |
| 284 | |
| 285 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | } |
Yinghai Lu | a73aaed | 2008-09-14 02:33:14 -0700 | [diff] [blame] | 287 | |
Sam Ravnborg | b74d446 | 2009-05-09 15:35:10 +0600 | [diff] [blame] | 288 | static void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr) |
Yinghai Lu | a73aaed | 2008-09-14 02:33:14 -0700 | [diff] [blame] | 289 | { |
Yinghai Lu | b825e6c | 2009-02-07 15:39:41 -0800 | [diff] [blame] | 290 | if (!oem_addr) |
| 291 | return; |
| 292 | |
| 293 | __acpi_unmap_table((char *)oem_addr, oem_size); |
Yinghai Lu | a73aaed | 2008-09-14 02:33:14 -0700 | [diff] [blame] | 294 | } |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 295 | |
| 296 | static int es7000_check_dsdt(void) |
| 297 | { |
| 298 | struct acpi_table_header header; |
| 299 | |
| 300 | if (ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_DSDT, 0, &header)) && |
| 301 | !strncmp(header.oem_id, "UNISYS", 6)) |
| 302 | return 1; |
| 303 | return 0; |
| 304 | } |
| 305 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 306 | static int es7000_acpi_ret; |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 307 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 308 | /* Hook from generic ACPI tables.c */ |
Sam Ravnborg | b74d446 | 2009-05-09 15:35:10 +0600 | [diff] [blame] | 309 | static int __init es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 310 | { |
| 311 | unsigned long oem_addr = 0; |
| 312 | int check_dsdt; |
| 313 | int ret = 0; |
| 314 | |
| 315 | /* check dsdt at first to avoid clear fix_map for oem_addr */ |
| 316 | check_dsdt = es7000_check_dsdt(); |
| 317 | |
| 318 | if (!find_unisys_acpi_oem_table(&oem_addr)) { |
| 319 | if (check_dsdt) { |
| 320 | ret = parse_unisys_oem((char *)oem_addr); |
| 321 | } else { |
| 322 | setup_unisys(); |
| 323 | ret = 1; |
| 324 | } |
| 325 | /* |
| 326 | * we need to unmap it |
| 327 | */ |
| 328 | unmap_unisys_acpi_oem_table(oem_addr); |
| 329 | } |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 330 | |
| 331 | es7000_acpi_ret = ret; |
| 332 | |
| 333 | return ret && !es7000_apic_is_cluster(); |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 334 | } |
Ingo Molnar | 3b900d4 | 2009-02-26 14:34:08 +0100 | [diff] [blame] | 335 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 336 | static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id) |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 337 | { |
| 338 | int ret = es7000_acpi_ret; |
| 339 | |
| 340 | return ret && es7000_apic_is_cluster(); |
| 341 | } |
| 342 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 343 | #else /* !CONFIG_ACPI: */ |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 344 | static int es7000_acpi_madt_oem_check(char *oem_id, char *oem_table_id) |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 345 | { |
| 346 | return 0; |
| 347 | } |
Ingo Molnar | 3b900d4 | 2009-02-26 14:34:08 +0100 | [diff] [blame] | 348 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 349 | static int es7000_acpi_madt_oem_check_cluster(char *oem_id, char *oem_table_id) |
Ingo Molnar | 3b900d4 | 2009-02-26 14:34:08 +0100 | [diff] [blame] | 350 | { |
| 351 | return 0; |
| 352 | } |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 353 | #endif /* !CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 355 | static void es7000_spin(int n) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | { |
| 357 | int i = 0; |
| 358 | |
| 359 | while (i++ < n) |
| 360 | rep_nop(); |
| 361 | } |
| 362 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 363 | static int es7000_mip_write(struct mip_reg *mip_reg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | { |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 365 | int status = 0; |
| 366 | int spin; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | |
| 368 | spin = MIP_SPIN; |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 369 | while ((host_reg->off_0x38 & MIP_VALID) != 0) { |
| 370 | if (--spin <= 0) { |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 371 | WARN(1, "Timeout waiting for Host Valid Flag\n"); |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 372 | return -1; |
| 373 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | es7000_spin(MIP_SPIN); |
| 375 | } |
| 376 | |
| 377 | memcpy(host_reg, mip_reg, sizeof(struct mip_reg)); |
| 378 | outb(1, mip_port); |
| 379 | |
| 380 | spin = MIP_SPIN; |
| 381 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 382 | while ((mip_reg->off_0x38 & MIP_VALID) == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | if (--spin <= 0) { |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 384 | WARN(1, "Timeout waiting for MIP Valid Flag\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | return -1; |
| 386 | } |
| 387 | es7000_spin(MIP_SPIN); |
| 388 | } |
| 389 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 390 | status = (mip_reg->off_0x00 & 0xffff0000000000ULL) >> 48; |
| 391 | mip_reg->off_0x38 &= ~MIP_VALID; |
| 392 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | return status; |
| 394 | } |
| 395 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 396 | static void es7000_enable_apic_mode(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | { |
Ingo Molnar | b0b20e5 | 2009-01-28 13:15:06 +0100 | [diff] [blame] | 398 | struct mip_reg es7000_mip_reg; |
| 399 | int mip_status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | |
Ingo Molnar | b0b20e5 | 2009-01-28 13:15:06 +0100 | [diff] [blame] | 401 | if (!es7000_plat) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | return; |
Ingo Molnar | b0b20e5 | 2009-01-28 13:15:06 +0100 | [diff] [blame] | 403 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 404 | printk(KERN_INFO "ES7000: Enabling APIC mode.\n"); |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 405 | memset(&es7000_mip_reg, 0, sizeof(struct mip_reg)); |
| 406 | es7000_mip_reg.off_0x00 = MIP_SW_APIC; |
| 407 | es7000_mip_reg.off_0x38 = MIP_VALID; |
Ingo Molnar | b0b20e5 | 2009-01-28 13:15:06 +0100 | [diff] [blame] | 408 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 409 | while ((mip_status = es7000_mip_write(&es7000_mip_reg)) != 0) |
| 410 | WARN(1, "Command failed, status = %x\n", mip_status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | } |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 412 | |
Rusty Russell | 73e907d | 2009-03-13 14:49:57 +1030 | [diff] [blame] | 413 | static void es7000_vector_allocation_domain(int cpu, struct cpumask *retmask) |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 414 | { |
| 415 | /* Careful. Some cpus do not strictly honor the set of cpus |
| 416 | * specified in the interrupt destination when using lowest |
| 417 | * priority interrupt delivery mode. |
| 418 | * |
| 419 | * In particular there was a hyperthreading cpu observed to |
| 420 | * deliver interrupts to the wrong hyperthread when only one |
| 421 | * hyperthread was specified in the interrupt desitination. |
| 422 | */ |
Rusty Russell | 5c6cb5e | 2009-03-13 14:49:56 +1030 | [diff] [blame] | 423 | cpumask_clear(retmask); |
| 424 | cpumask_bits(retmask)[0] = APIC_ALL_CPUS; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | |
| 428 | static void es7000_wait_for_init_deassert(atomic_t *deassert) |
| 429 | { |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 430 | while (!atomic_read(deassert)) |
| 431 | cpu_relax(); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 432 | } |
| 433 | |
| 434 | static unsigned int es7000_get_apic_id(unsigned long x) |
| 435 | { |
| 436 | return (x >> 24) & 0xFF; |
| 437 | } |
| 438 | |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 439 | static void es7000_send_IPI_mask(const struct cpumask *mask, int vector) |
| 440 | { |
Yinghai Lu | 43f3989 | 2009-01-29 19:31:49 -0800 | [diff] [blame] | 441 | default_send_IPI_mask_sequence_phys(mask, vector); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | static void es7000_send_IPI_allbutself(int vector) |
| 445 | { |
Yinghai Lu | 43f3989 | 2009-01-29 19:31:49 -0800 | [diff] [blame] | 446 | default_send_IPI_mask_allbutself_phys(cpu_online_mask, vector); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | static void es7000_send_IPI_all(int vector) |
| 450 | { |
| 451 | es7000_send_IPI_mask(cpu_online_mask, vector); |
| 452 | } |
| 453 | |
| 454 | static int es7000_apic_id_registered(void) |
| 455 | { |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 456 | return 1; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 457 | } |
| 458 | |
Rusty Russell | 73e907d | 2009-03-13 14:49:57 +1030 | [diff] [blame] | 459 | static const struct cpumask *target_cpus_cluster(void) |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 460 | { |
Rusty Russell | 101aaca | 2009-03-13 14:49:47 +1030 | [diff] [blame] | 461 | return cpu_all_mask; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 462 | } |
| 463 | |
Rusty Russell | 4f06289 | 2009-03-13 14:49:54 +1030 | [diff] [blame] | 464 | static const struct cpumask *es7000_target_cpus(void) |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 465 | { |
Rusty Russell | 4f06289 | 2009-03-13 14:49:54 +1030 | [diff] [blame] | 466 | return cpumask_of(smp_processor_id()); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | static unsigned long |
| 470 | es7000_check_apicid_used(physid_mask_t bitmap, int apicid) |
| 471 | { |
| 472 | return 0; |
| 473 | } |
| 474 | static unsigned long es7000_check_apicid_present(int bit) |
| 475 | { |
| 476 | return physid_isset(bit, phys_cpu_present_map); |
| 477 | } |
| 478 | |
| 479 | static unsigned long calculate_ldr(int cpu) |
| 480 | { |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 481 | unsigned long id = per_cpu(x86_bios_cpu_apicid, cpu); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 482 | |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 483 | return SET_APIC_LOGICAL_ID(id); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | /* |
| 487 | * Set up the logical destination ID. |
| 488 | * |
| 489 | * Intel recommends to set DFR, LdR and TPR before enabling |
| 490 | * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel |
| 491 | * document number 292116). So here it goes... |
| 492 | */ |
| 493 | static void es7000_init_apic_ldr_cluster(void) |
| 494 | { |
| 495 | unsigned long val; |
| 496 | int cpu = smp_processor_id(); |
| 497 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 498 | apic_write(APIC_DFR, APIC_DFR_CLUSTER); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 499 | val = calculate_ldr(cpu); |
| 500 | apic_write(APIC_LDR, val); |
| 501 | } |
| 502 | |
| 503 | static void es7000_init_apic_ldr(void) |
| 504 | { |
| 505 | unsigned long val; |
| 506 | int cpu = smp_processor_id(); |
| 507 | |
Ingo Molnar | 352887d | 2009-02-17 15:17:55 +0100 | [diff] [blame] | 508 | apic_write(APIC_DFR, APIC_DFR_FLAT); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 509 | val = calculate_ldr(cpu); |
| 510 | apic_write(APIC_LDR, val); |
| 511 | } |
| 512 | |
| 513 | static void es7000_setup_apic_routing(void) |
| 514 | { |
| 515 | int apic = per_cpu(x86_bios_cpu_apicid, smp_processor_id()); |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 516 | |
| 517 | printk(KERN_INFO |
| 518 | "Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n", |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 519 | (apic_version[apic] == 0x14) ? |
| 520 | "Physical Cluster" : "Logical Cluster", |
Rusty Russell | 4f06289 | 2009-03-13 14:49:54 +1030 | [diff] [blame] | 521 | nr_ioapics, cpumask_bits(es7000_target_cpus())[0]); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 522 | } |
| 523 | |
| 524 | static int es7000_apicid_to_node(int logical_apicid) |
| 525 | { |
| 526 | return 0; |
| 527 | } |
| 528 | |
| 529 | |
| 530 | static int es7000_cpu_present_to_apicid(int mps_cpu) |
| 531 | { |
| 532 | if (!mps_cpu) |
| 533 | return boot_cpu_physical_apicid; |
| 534 | else if (mps_cpu < nr_cpu_ids) |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 535 | return per_cpu(x86_bios_cpu_apicid, mps_cpu); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 536 | else |
| 537 | return BAD_APICID; |
| 538 | } |
| 539 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 540 | static int cpu_id; |
| 541 | |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 542 | static physid_mask_t es7000_apicid_to_cpu_present(int phys_apicid) |
| 543 | { |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 544 | physid_mask_t mask; |
| 545 | |
Ingo Molnar | 7da18ed | 2009-02-17 15:29:30 +0100 | [diff] [blame] | 546 | mask = physid_mask_of_physid(cpu_id); |
| 547 | ++cpu_id; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 548 | |
| 549 | return mask; |
| 550 | } |
| 551 | |
| 552 | /* Mapping from cpu number to logical apicid */ |
| 553 | static int es7000_cpu_to_logical_apicid(int cpu) |
| 554 | { |
| 555 | #ifdef CONFIG_SMP |
| 556 | if (cpu >= nr_cpu_ids) |
| 557 | return BAD_APICID; |
Ingo Molnar | 2f205bc | 2009-02-17 14:45:30 +0100 | [diff] [blame] | 558 | return cpu_2_logical_apicid[cpu]; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 559 | #else |
| 560 | return logical_smp_processor_id(); |
| 561 | #endif |
| 562 | } |
| 563 | |
| 564 | static physid_mask_t es7000_ioapic_phys_id_map(physid_mask_t phys_map) |
| 565 | { |
| 566 | /* For clustered we don't have a good way to do this yet - hack */ |
| 567 | return physids_promote(0xff); |
| 568 | } |
| 569 | |
| 570 | static int es7000_check_phys_apicid_present(int cpu_physical_apicid) |
| 571 | { |
| 572 | boot_cpu_physical_apicid = read_apic_id(); |
Ingo Molnar | 2c4ce18 | 2009-02-17 14:57:16 +0100 | [diff] [blame] | 573 | return 1; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 574 | } |
| 575 | |
Rusty Russell | 73e907d | 2009-03-13 14:49:57 +1030 | [diff] [blame] | 576 | static unsigned int es7000_cpu_mask_to_apicid(const struct cpumask *cpumask) |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 577 | { |
Jiri Slaby | 0edc0b3 | 2009-03-02 10:53:57 +0100 | [diff] [blame] | 578 | unsigned int round = 0; |
| 579 | int cpu, uninitialized_var(apicid); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 580 | |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 581 | /* |
Jiri Slaby | 0edc0b3 | 2009-03-02 10:53:57 +0100 | [diff] [blame] | 582 | * The cpus in the mask must all be on the apic cluster. |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 583 | */ |
Jiri Slaby | 0edc0b3 | 2009-03-02 10:53:57 +0100 | [diff] [blame] | 584 | for_each_cpu(cpu, cpumask) { |
| 585 | int new_apicid = es7000_cpu_to_logical_apicid(cpu); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 586 | |
Jiri Slaby | 0edc0b3 | 2009-03-02 10:53:57 +0100 | [diff] [blame] | 587 | if (round && APIC_CLUSTER(apicid) != APIC_CLUSTER(new_apicid)) { |
| 588 | WARN(1, "Not a valid mask!"); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 589 | |
Jiri Slaby | 0edc0b3 | 2009-03-02 10:53:57 +0100 | [diff] [blame] | 590 | return BAD_APICID; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 591 | } |
Jiri Slaby | 0edc0b3 | 2009-03-02 10:53:57 +0100 | [diff] [blame] | 592 | apicid = new_apicid; |
| 593 | round++; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 594 | } |
| 595 | return apicid; |
| 596 | } |
| 597 | |
| 598 | static unsigned int |
| 599 | es7000_cpu_mask_to_apicid_and(const struct cpumask *inmask, |
| 600 | const struct cpumask *andmask) |
| 601 | { |
| 602 | int apicid = es7000_cpu_to_logical_apicid(0); |
| 603 | cpumask_var_t cpumask; |
| 604 | |
| 605 | if (!alloc_cpumask_var(&cpumask, GFP_ATOMIC)) |
| 606 | return apicid; |
| 607 | |
| 608 | cpumask_and(cpumask, inmask, andmask); |
| 609 | cpumask_and(cpumask, cpumask, cpu_online_mask); |
| 610 | apicid = es7000_cpu_mask_to_apicid(cpumask); |
| 611 | |
| 612 | free_cpumask_var(cpumask); |
| 613 | |
| 614 | return apicid; |
| 615 | } |
| 616 | |
| 617 | static int es7000_phys_pkg_id(int cpuid_apic, int index_msb) |
| 618 | { |
| 619 | return cpuid_apic >> index_msb; |
| 620 | } |
| 621 | |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 622 | static int probe_es7000(void) |
| 623 | { |
| 624 | /* probed later in mptable/ACPI hooks */ |
| 625 | return 0; |
| 626 | } |
| 627 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 628 | static int es7000_mps_ret; |
| 629 | static int es7000_mps_oem_check(struct mpc_table *mpc, char *oem, |
| 630 | char *productid) |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 631 | { |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 632 | int ret = 0; |
| 633 | |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 634 | if (mpc->oemptr) { |
| 635 | struct mpc_oemtable *oem_table = |
| 636 | (struct mpc_oemtable *)mpc->oemptr; |
| 637 | |
| 638 | if (!strncmp(oem, "UNISYS", 6)) |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 639 | ret = parse_unisys_oem((char *)oem_table); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 640 | } |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 641 | |
| 642 | es7000_mps_ret = ret; |
| 643 | |
| 644 | return ret && !es7000_apic_is_cluster(); |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 645 | } |
| 646 | |
Jiri Slaby | 871d78c | 2009-03-02 11:34:27 +0100 | [diff] [blame] | 647 | static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem, |
| 648 | char *productid) |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 649 | { |
| 650 | int ret = es7000_mps_ret; |
| 651 | |
| 652 | return ret && es7000_apic_is_cluster(); |
| 653 | } |
| 654 | |
Rakib Mullick | 151586d | 2009-07-12 17:04:12 +0600 | [diff] [blame] | 655 | /* We've been warned by a false positive warning.Use __refdata to keep calm. */ |
| 656 | struct apic __refdata apic_es7000_cluster = { |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 657 | |
| 658 | .name = "es7000", |
| 659 | .probe = probe_es7000, |
| 660 | .acpi_madt_oem_check = es7000_acpi_madt_oem_check_cluster, |
| 661 | .apic_id_registered = es7000_apic_id_registered, |
| 662 | |
| 663 | .irq_delivery_mode = dest_LowestPrio, |
| 664 | /* logical delivery broadcast to all procs: */ |
| 665 | .irq_dest_mode = 1, |
| 666 | |
| 667 | .target_cpus = target_cpus_cluster, |
| 668 | .disable_esr = 1, |
| 669 | .dest_logical = 0, |
| 670 | .check_apicid_used = es7000_check_apicid_used, |
| 671 | .check_apicid_present = es7000_check_apicid_present, |
| 672 | |
| 673 | .vector_allocation_domain = es7000_vector_allocation_domain, |
| 674 | .init_apic_ldr = es7000_init_apic_ldr_cluster, |
| 675 | |
| 676 | .ioapic_phys_id_map = es7000_ioapic_phys_id_map, |
| 677 | .setup_apic_routing = es7000_setup_apic_routing, |
| 678 | .multi_timer_check = NULL, |
| 679 | .apicid_to_node = es7000_apicid_to_node, |
| 680 | .cpu_to_logical_apicid = es7000_cpu_to_logical_apicid, |
| 681 | .cpu_present_to_apicid = es7000_cpu_present_to_apicid, |
| 682 | .apicid_to_cpu_present = es7000_apicid_to_cpu_present, |
| 683 | .setup_portio_remap = NULL, |
| 684 | .check_phys_apicid_present = es7000_check_phys_apicid_present, |
| 685 | .enable_apic_mode = es7000_enable_apic_mode, |
| 686 | .phys_pkg_id = es7000_phys_pkg_id, |
| 687 | .mps_oem_check = es7000_mps_oem_check_cluster, |
| 688 | |
| 689 | .get_apic_id = es7000_get_apic_id, |
| 690 | .set_apic_id = NULL, |
| 691 | .apic_id_mask = 0xFF << 24, |
| 692 | |
Jiri Slaby | c2b20cb | 2009-03-02 10:53:56 +0100 | [diff] [blame] | 693 | .cpu_mask_to_apicid = es7000_cpu_mask_to_apicid, |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 694 | .cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and, |
| 695 | |
| 696 | .send_IPI_mask = es7000_send_IPI_mask, |
| 697 | .send_IPI_mask_allbutself = NULL, |
| 698 | .send_IPI_allbutself = es7000_send_IPI_allbutself, |
| 699 | .send_IPI_all = es7000_send_IPI_all, |
| 700 | .send_IPI_self = default_send_IPI_self, |
| 701 | |
Ingo Molnar | 1f5bcab | 2009-02-26 13:51:40 +0100 | [diff] [blame] | 702 | .wakeup_secondary_cpu = wakeup_secondary_cpu_via_mip, |
Yinghai Lu | 2b6163b | 2009-02-25 20:50:49 -0800 | [diff] [blame] | 703 | |
| 704 | .trampoline_phys_low = 0x467, |
| 705 | .trampoline_phys_high = 0x469, |
| 706 | |
| 707 | .wait_for_init_deassert = NULL, |
| 708 | |
| 709 | /* Nothing to do for most platforms, since cleared by the INIT cycle: */ |
| 710 | .smp_callin_clear_local_apic = NULL, |
| 711 | .inquire_remote_apic = default_inquire_remote_apic, |
| 712 | |
| 713 | .read = native_apic_mem_read, |
| 714 | .write = native_apic_mem_write, |
| 715 | .icr_read = native_apic_icr_read, |
| 716 | .icr_write = native_apic_icr_write, |
| 717 | .wait_icr_idle = native_apic_wait_icr_idle, |
| 718 | .safe_wait_icr_idle = native_safe_apic_wait_icr_idle, |
| 719 | }; |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 720 | |
Sam Ravnborg | b74d446 | 2009-05-09 15:35:10 +0600 | [diff] [blame] | 721 | struct apic __refdata apic_es7000 = { |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 722 | |
| 723 | .name = "es7000", |
| 724 | .probe = probe_es7000, |
| 725 | .acpi_madt_oem_check = es7000_acpi_madt_oem_check, |
| 726 | .apic_id_registered = es7000_apic_id_registered, |
| 727 | |
| 728 | .irq_delivery_mode = dest_Fixed, |
| 729 | /* phys delivery to target CPUs: */ |
| 730 | .irq_dest_mode = 0, |
| 731 | |
| 732 | .target_cpus = es7000_target_cpus, |
| 733 | .disable_esr = 1, |
| 734 | .dest_logical = 0, |
| 735 | .check_apicid_used = es7000_check_apicid_used, |
| 736 | .check_apicid_present = es7000_check_apicid_present, |
| 737 | |
| 738 | .vector_allocation_domain = es7000_vector_allocation_domain, |
| 739 | .init_apic_ldr = es7000_init_apic_ldr, |
| 740 | |
| 741 | .ioapic_phys_id_map = es7000_ioapic_phys_id_map, |
| 742 | .setup_apic_routing = es7000_setup_apic_routing, |
| 743 | .multi_timer_check = NULL, |
| 744 | .apicid_to_node = es7000_apicid_to_node, |
| 745 | .cpu_to_logical_apicid = es7000_cpu_to_logical_apicid, |
| 746 | .cpu_present_to_apicid = es7000_cpu_present_to_apicid, |
| 747 | .apicid_to_cpu_present = es7000_apicid_to_cpu_present, |
| 748 | .setup_portio_remap = NULL, |
| 749 | .check_phys_apicid_present = es7000_check_phys_apicid_present, |
| 750 | .enable_apic_mode = es7000_enable_apic_mode, |
| 751 | .phys_pkg_id = es7000_phys_pkg_id, |
| 752 | .mps_oem_check = es7000_mps_oem_check, |
| 753 | |
| 754 | .get_apic_id = es7000_get_apic_id, |
| 755 | .set_apic_id = NULL, |
| 756 | .apic_id_mask = 0xFF << 24, |
| 757 | |
| 758 | .cpu_mask_to_apicid = es7000_cpu_mask_to_apicid, |
| 759 | .cpu_mask_to_apicid_and = es7000_cpu_mask_to_apicid_and, |
| 760 | |
| 761 | .send_IPI_mask = es7000_send_IPI_mask, |
| 762 | .send_IPI_mask_allbutself = NULL, |
| 763 | .send_IPI_allbutself = es7000_send_IPI_allbutself, |
| 764 | .send_IPI_all = es7000_send_IPI_all, |
Ingo Molnar | 6b64ee0 | 2009-01-30 23:42:18 +0100 | [diff] [blame] | 765 | .send_IPI_self = default_send_IPI_self, |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 766 | |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 767 | .trampoline_phys_low = 0x467, |
| 768 | .trampoline_phys_high = 0x469, |
| 769 | |
| 770 | .wait_for_init_deassert = es7000_wait_for_init_deassert, |
| 771 | |
| 772 | /* Nothing to do for most platforms, since cleared by the INIT cycle: */ |
| 773 | .smp_callin_clear_local_apic = NULL, |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 774 | .inquire_remote_apic = default_inquire_remote_apic, |
Yinghai Lu | c1eeb2d | 2009-02-16 23:02:14 -0800 | [diff] [blame] | 775 | |
| 776 | .read = native_apic_mem_read, |
| 777 | .write = native_apic_mem_write, |
| 778 | .icr_read = native_apic_icr_read, |
| 779 | .icr_write = native_apic_icr_write, |
| 780 | .wait_icr_idle = native_apic_wait_icr_idle, |
| 781 | .safe_wait_icr_idle = native_safe_apic_wait_icr_idle, |
Ingo Molnar | 2e096df | 2009-01-28 19:01:05 +0100 | [diff] [blame] | 782 | }; |