Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/m68k/kernel/setup.c |
| 3 | * |
| 4 | * Copyright (C) 1995 Hamish Macdonald |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * This file handles the architecture-dependent parts of system setup |
| 9 | */ |
| 10 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/kernel.h> |
| 12 | #include <linux/mm.h> |
| 13 | #include <linux/sched.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/fs.h> |
| 17 | #include <linux/console.h> |
| 18 | #include <linux/genhd.h> |
| 19 | #include <linux/errno.h> |
| 20 | #include <linux/string.h> |
| 21 | #include <linux/init.h> |
| 22 | #include <linux/bootmem.h> |
| 23 | #include <linux/seq_file.h> |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/initrd.h> |
| 26 | |
| 27 | #include <asm/bootinfo.h> |
| 28 | #include <asm/setup.h> |
| 29 | #include <asm/irq.h> |
| 30 | #include <asm/io.h> |
| 31 | #include <asm/machdep.h> |
| 32 | #ifdef CONFIG_AMIGA |
| 33 | #include <asm/amigahw.h> |
| 34 | #endif |
| 35 | #ifdef CONFIG_ATARI |
| 36 | #include <asm/atarihw.h> |
| 37 | #include <asm/atari_stram.h> |
| 38 | #endif |
| 39 | #ifdef CONFIG_SUN3X |
| 40 | #include <asm/dvma.h> |
| 41 | #endif |
| 42 | |
| 43 | unsigned long m68k_machtype; |
| 44 | unsigned long m68k_cputype; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 45 | EXPORT_SYMBOL(m68k_machtype); |
| 46 | EXPORT_SYMBOL(m68k_cputype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | unsigned long m68k_fputype; |
| 48 | unsigned long m68k_mmutype; |
| 49 | #ifdef CONFIG_VME |
| 50 | unsigned long vme_brdtype; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 51 | EXPORT_SYMBOL(vme_brdtype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | #endif |
| 53 | |
| 54 | int m68k_is040or060; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 55 | EXPORT_SYMBOL(m68k_is040or060); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | extern int end; |
| 58 | extern unsigned long availmem; |
| 59 | |
| 60 | int m68k_num_memory; |
| 61 | int m68k_realnum_memory; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 62 | EXPORT_SYMBOL(m68k_realnum_memory); |
| 63 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | unsigned long m68k_memoffset; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 65 | EXPORT_SYMBOL(m68k_memoffset); |
| 66 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | struct mem_info m68k_memory[NUM_MEMINFO]; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 68 | EXPORT_SYMBOL(m68k_memory); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | |
| 70 | static struct mem_info m68k_ramdisk; |
| 71 | |
| 72 | static char m68k_command_line[CL_SIZE]; |
| 73 | |
David Howells | 40220c1 | 2006-10-09 12:19:47 +0100 | [diff] [blame] | 74 | void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | /* machine dependent irq functions */ |
| 76 | void (*mach_init_IRQ) (void) __initdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | void (*mach_get_model) (char *model); |
| 78 | int (*mach_get_hardware_list) (char *buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | /* machine dependent timer functions */ |
| 80 | unsigned long (*mach_gettimeoffset) (void); |
| 81 | int (*mach_hwclk) (int, struct rtc_time*); |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 82 | EXPORT_SYMBOL(mach_hwclk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | int (*mach_set_clock_mmss) (unsigned long); |
| 84 | unsigned int (*mach_get_ss)(void); |
| 85 | int (*mach_get_rtc_pll)(struct rtc_pll_info *); |
| 86 | int (*mach_set_rtc_pll)(struct rtc_pll_info *); |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 87 | EXPORT_SYMBOL(mach_get_ss); |
| 88 | EXPORT_SYMBOL(mach_get_rtc_pll); |
| 89 | EXPORT_SYMBOL(mach_set_rtc_pll); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | void (*mach_reset)( void ); |
| 91 | void (*mach_halt)( void ); |
| 92 | void (*mach_power_off)( void ); |
| 93 | long mach_max_dma_address = 0x00ffffff; /* default set to the lower 16MB */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | #ifdef CONFIG_HEARTBEAT |
| 95 | void (*mach_heartbeat) (int); |
| 96 | EXPORT_SYMBOL(mach_heartbeat); |
| 97 | #endif |
| 98 | #ifdef CONFIG_M68K_L2_CACHE |
| 99 | void (*mach_l2_flush) (int); |
| 100 | #endif |
| 101 | #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) |
| 102 | void (*mach_beep)(unsigned int, unsigned int); |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 103 | EXPORT_SYMBOL(mach_beep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | #endif |
| 105 | #if defined(CONFIG_ISA) && defined(MULTI_ISA) |
| 106 | int isa_type; |
| 107 | int isa_sex; |
Al Viro | aa7e02f | 2006-01-12 01:06:15 -0800 | [diff] [blame] | 108 | EXPORT_SYMBOL(isa_type); |
| 109 | EXPORT_SYMBOL(isa_sex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | #endif |
| 111 | |
| 112 | extern int amiga_parse_bootinfo(const struct bi_record *); |
| 113 | extern int atari_parse_bootinfo(const struct bi_record *); |
| 114 | extern int mac_parse_bootinfo(const struct bi_record *); |
| 115 | extern int q40_parse_bootinfo(const struct bi_record *); |
| 116 | extern int bvme6000_parse_bootinfo(const struct bi_record *); |
| 117 | extern int mvme16x_parse_bootinfo(const struct bi_record *); |
| 118 | extern int mvme147_parse_bootinfo(const struct bi_record *); |
| 119 | extern int hp300_parse_bootinfo(const struct bi_record *); |
| 120 | |
| 121 | extern void config_amiga(void); |
| 122 | extern void config_atari(void); |
| 123 | extern void config_mac(void); |
| 124 | extern void config_sun3(void); |
| 125 | extern void config_apollo(void); |
| 126 | extern void config_mvme147(void); |
| 127 | extern void config_mvme16x(void); |
| 128 | extern void config_bvme6000(void); |
| 129 | extern void config_hp300(void); |
| 130 | extern void config_q40(void); |
| 131 | extern void config_sun3x(void); |
| 132 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | #define MASK_256K 0xfffc0000 |
| 134 | |
| 135 | extern void paging_init(void); |
| 136 | |
| 137 | static void __init m68k_parse_bootinfo(const struct bi_record *record) |
| 138 | { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 139 | while (record->tag != BI_LAST) { |
| 140 | int unknown = 0; |
| 141 | const unsigned long *data = record->data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 143 | switch (record->tag) { |
| 144 | case BI_MACHTYPE: |
| 145 | case BI_CPUTYPE: |
| 146 | case BI_FPUTYPE: |
| 147 | case BI_MMUTYPE: |
| 148 | /* Already set up by head.S */ |
| 149 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 151 | case BI_MEMCHUNK: |
| 152 | if (m68k_num_memory < NUM_MEMINFO) { |
| 153 | m68k_memory[m68k_num_memory].addr = data[0]; |
| 154 | m68k_memory[m68k_num_memory].size = data[1]; |
| 155 | m68k_num_memory++; |
| 156 | } else |
| 157 | printk("m68k_parse_bootinfo: too many memory chunks\n"); |
| 158 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 160 | case BI_RAMDISK: |
| 161 | m68k_ramdisk.addr = data[0]; |
| 162 | m68k_ramdisk.size = data[1]; |
| 163 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 165 | case BI_COMMAND_LINE: |
| 166 | strlcpy(m68k_command_line, (const char *)data, |
| 167 | sizeof(m68k_command_line)); |
| 168 | break; |
| 169 | |
| 170 | default: |
| 171 | if (MACH_IS_AMIGA) |
| 172 | unknown = amiga_parse_bootinfo(record); |
| 173 | else if (MACH_IS_ATARI) |
| 174 | unknown = atari_parse_bootinfo(record); |
| 175 | else if (MACH_IS_MAC) |
| 176 | unknown = mac_parse_bootinfo(record); |
| 177 | else if (MACH_IS_Q40) |
| 178 | unknown = q40_parse_bootinfo(record); |
| 179 | else if (MACH_IS_BVME6000) |
| 180 | unknown = bvme6000_parse_bootinfo(record); |
| 181 | else if (MACH_IS_MVME16x) |
| 182 | unknown = mvme16x_parse_bootinfo(record); |
| 183 | else if (MACH_IS_MVME147) |
| 184 | unknown = mvme147_parse_bootinfo(record); |
| 185 | else if (MACH_IS_HP300) |
| 186 | unknown = hp300_parse_bootinfo(record); |
| 187 | else |
| 188 | unknown = 1; |
| 189 | } |
| 190 | if (unknown) |
| 191 | printk("m68k_parse_bootinfo: unknown tag 0x%04x ignored\n", |
| 192 | record->tag); |
| 193 | record = (struct bi_record *)((unsigned long)record + |
| 194 | record->size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 197 | m68k_realnum_memory = m68k_num_memory; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 198 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 199 | if (m68k_num_memory > 1) { |
| 200 | printk("Ignoring last %i chunks of physical memory\n", |
| 201 | (m68k_num_memory - 1)); |
| 202 | m68k_num_memory = 1; |
| 203 | } |
| 204 | m68k_memoffset = m68k_memory[0].addr-PAGE_OFFSET; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | #endif |
| 206 | } |
| 207 | |
| 208 | void __init setup_arch(char **cmdline_p) |
| 209 | { |
| 210 | extern int _etext, _edata, _end; |
| 211 | #ifndef CONFIG_SUN3 |
| 212 | unsigned long endmem, startmem; |
| 213 | #endif |
| 214 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | |
| 216 | /* The bootinfo is located right after the kernel bss */ |
| 217 | m68k_parse_bootinfo((const struct bi_record *)&_end); |
| 218 | |
| 219 | if (CPU_IS_040) |
| 220 | m68k_is040or060 = 4; |
| 221 | else if (CPU_IS_060) |
| 222 | m68k_is040or060 = 6; |
| 223 | |
| 224 | /* FIXME: m68k_fputype is passed in by Penguin booter, which can |
| 225 | * be confused by software FPU emulation. BEWARE. |
| 226 | * We should really do our own FPU check at startup. |
| 227 | * [what do we do with buggy 68LC040s? if we have problems |
| 228 | * with them, we should add a test to check_bugs() below] */ |
| 229 | #ifndef CONFIG_M68KFPU_EMU_ONLY |
| 230 | /* clear the fpu if we have one */ |
| 231 | if (m68k_fputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060)) { |
| 232 | volatile int zero = 0; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 233 | asm volatile ("frestore %0" : : "m" (zero)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | } |
| 235 | #endif |
| 236 | |
| 237 | if (CPU_IS_060) { |
| 238 | u32 pcr; |
| 239 | |
| 240 | asm (".chip 68060; movec %%pcr,%0; .chip 68k" |
| 241 | : "=d" (pcr)); |
| 242 | if (((pcr >> 8) & 0xff) <= 5) { |
| 243 | printk("Enabling workaround for errata I14\n"); |
| 244 | asm (".chip 68060; movec %0,%%pcr; .chip 68k" |
| 245 | : : "d" (pcr | 0x20)); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | init_mm.start_code = PAGE_OFFSET; |
| 250 | init_mm.end_code = (unsigned long) &_etext; |
| 251 | init_mm.end_data = (unsigned long) &_edata; |
| 252 | init_mm.brk = (unsigned long) &_end; |
| 253 | |
| 254 | *cmdline_p = m68k_command_line; |
Alon Bar-Lev | 187959f | 2007-02-12 00:54:14 -0800 | [diff] [blame] | 255 | memcpy(boot_command_line, *cmdline_p, CL_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Roman Zippel | d6713b4 | 2007-05-01 22:32:45 +0200 | [diff] [blame] | 257 | parse_early_param(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | |
Al Viro | 0c79358 | 2006-01-12 01:06:35 -0800 | [diff] [blame] | 259 | #ifdef CONFIG_DUMMY_CONSOLE |
| 260 | conswitchp = &dummy_con; |
| 261 | #endif |
| 262 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | switch (m68k_machtype) { |
| 264 | #ifdef CONFIG_AMIGA |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 265 | case MACH_AMIGA: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | config_amiga(); |
| 267 | break; |
| 268 | #endif |
| 269 | #ifdef CONFIG_ATARI |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 270 | case MACH_ATARI: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | config_atari(); |
| 272 | break; |
| 273 | #endif |
| 274 | #ifdef CONFIG_MAC |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 275 | case MACH_MAC: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | config_mac(); |
| 277 | break; |
| 278 | #endif |
| 279 | #ifdef CONFIG_SUN3 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 280 | case MACH_SUN3: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | config_sun3(); |
| 282 | break; |
| 283 | #endif |
| 284 | #ifdef CONFIG_APOLLO |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 285 | case MACH_APOLLO: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | config_apollo(); |
| 287 | break; |
| 288 | #endif |
| 289 | #ifdef CONFIG_MVME147 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 290 | case MACH_MVME147: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | config_mvme147(); |
| 292 | break; |
| 293 | #endif |
| 294 | #ifdef CONFIG_MVME16x |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 295 | case MACH_MVME16x: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | config_mvme16x(); |
| 297 | break; |
| 298 | #endif |
| 299 | #ifdef CONFIG_BVME6000 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 300 | case MACH_BVME6000: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | config_bvme6000(); |
| 302 | break; |
| 303 | #endif |
| 304 | #ifdef CONFIG_HP300 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 305 | case MACH_HP300: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | config_hp300(); |
| 307 | break; |
| 308 | #endif |
| 309 | #ifdef CONFIG_Q40 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 310 | case MACH_Q40: |
| 311 | config_q40(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | break; |
| 313 | #endif |
| 314 | #ifdef CONFIG_SUN3X |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 315 | case MACH_SUN3X: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | config_sun3x(); |
| 317 | break; |
| 318 | #endif |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 319 | default: |
| 320 | panic("No configuration setup"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | } |
| 322 | |
| 323 | #ifndef CONFIG_SUN3 |
| 324 | startmem= m68k_memory[0].addr; |
| 325 | endmem = startmem + m68k_memory[0].size; |
| 326 | high_memory = (void *)PAGE_OFFSET; |
| 327 | for (i = 0; i < m68k_num_memory; i++) { |
| 328 | m68k_memory[i].size &= MASK_256K; |
| 329 | if (m68k_memory[i].addr < startmem) |
| 330 | startmem = m68k_memory[i].addr; |
| 331 | if (m68k_memory[i].addr+m68k_memory[i].size > endmem) |
| 332 | endmem = m68k_memory[i].addr+m68k_memory[i].size; |
| 333 | high_memory += m68k_memory[i].size; |
| 334 | } |
| 335 | |
| 336 | availmem += init_bootmem_node(NODE_DATA(0), availmem >> PAGE_SHIFT, |
| 337 | startmem >> PAGE_SHIFT, endmem >> PAGE_SHIFT); |
| 338 | |
| 339 | for (i = 0; i < m68k_num_memory; i++) |
| 340 | free_bootmem(m68k_memory[i].addr, m68k_memory[i].size); |
| 341 | |
| 342 | reserve_bootmem(m68k_memory[0].addr, availmem - m68k_memory[0].addr); |
| 343 | |
| 344 | #ifdef CONFIG_BLK_DEV_INITRD |
| 345 | if (m68k_ramdisk.size) { |
| 346 | reserve_bootmem(m68k_ramdisk.addr, m68k_ramdisk.size); |
| 347 | initrd_start = (unsigned long)phys_to_virt(m68k_ramdisk.addr); |
| 348 | initrd_end = initrd_start + m68k_ramdisk.size; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 349 | printk("initrd: %08lx - %08lx\n", initrd_start, initrd_end); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | } |
| 351 | #endif |
| 352 | |
| 353 | #ifdef CONFIG_ATARI |
| 354 | if (MACH_IS_ATARI) |
| 355 | atari_stram_reserve_pages((void *)availmem); |
| 356 | #endif |
| 357 | #ifdef CONFIG_SUN3X |
| 358 | if (MACH_IS_SUN3X) { |
| 359 | dvma_init(); |
| 360 | } |
| 361 | #endif |
| 362 | |
| 363 | #endif /* !CONFIG_SUN3 */ |
| 364 | |
| 365 | paging_init(); |
| 366 | |
| 367 | /* set ISA defs early as possible */ |
| 368 | #if defined(CONFIG_ISA) && defined(MULTI_ISA) |
| 369 | #if defined(CONFIG_Q40) |
| 370 | if (MACH_IS_Q40) { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 371 | isa_type = Q40_ISA; |
| 372 | isa_sex = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | } |
| 374 | #elif defined(CONFIG_GG2) |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 375 | if (MACH_IS_AMIGA && AMIGAHW_PRESENT(GG2_ISA)) { |
| 376 | isa_type = GG2_ISA; |
| 377 | isa_sex = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | } |
| 379 | #elif defined(CONFIG_AMIGA_PCMCIA) |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 380 | if (MACH_IS_AMIGA && AMIGAHW_PRESENT(PCMCIA)) { |
| 381 | isa_type = AG_ISA; |
| 382 | isa_sex = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | } |
| 384 | #endif |
| 385 | #endif |
| 386 | } |
| 387 | |
| 388 | static int show_cpuinfo(struct seq_file *m, void *v) |
| 389 | { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 390 | const char *cpu, *mmu, *fpu; |
| 391 | unsigned long clockfreq, clockfactor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | |
| 393 | #define LOOP_CYCLES_68020 (8) |
| 394 | #define LOOP_CYCLES_68030 (8) |
| 395 | #define LOOP_CYCLES_68040 (3) |
| 396 | #define LOOP_CYCLES_68060 (1) |
| 397 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 398 | if (CPU_IS_020) { |
| 399 | cpu = "68020"; |
| 400 | clockfactor = LOOP_CYCLES_68020; |
| 401 | } else if (CPU_IS_030) { |
| 402 | cpu = "68030"; |
| 403 | clockfactor = LOOP_CYCLES_68030; |
| 404 | } else if (CPU_IS_040) { |
| 405 | cpu = "68040"; |
| 406 | clockfactor = LOOP_CYCLES_68040; |
| 407 | } else if (CPU_IS_060) { |
| 408 | cpu = "68060"; |
| 409 | clockfactor = LOOP_CYCLES_68060; |
| 410 | } else { |
| 411 | cpu = "680x0"; |
| 412 | clockfactor = 0; |
| 413 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | |
| 415 | #ifdef CONFIG_M68KFPU_EMU_ONLY |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 416 | fpu = "none(soft float)"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 417 | #else |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 418 | if (m68k_fputype & FPU_68881) |
| 419 | fpu = "68881"; |
| 420 | else if (m68k_fputype & FPU_68882) |
| 421 | fpu = "68882"; |
| 422 | else if (m68k_fputype & FPU_68040) |
| 423 | fpu = "68040"; |
| 424 | else if (m68k_fputype & FPU_68060) |
| 425 | fpu = "68060"; |
| 426 | else if (m68k_fputype & FPU_SUNFPA) |
| 427 | fpu = "Sun FPA"; |
| 428 | else |
| 429 | fpu = "none"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | #endif |
| 431 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 432 | if (m68k_mmutype & MMU_68851) |
| 433 | mmu = "68851"; |
| 434 | else if (m68k_mmutype & MMU_68030) |
| 435 | mmu = "68030"; |
| 436 | else if (m68k_mmutype & MMU_68040) |
| 437 | mmu = "68040"; |
| 438 | else if (m68k_mmutype & MMU_68060) |
| 439 | mmu = "68060"; |
| 440 | else if (m68k_mmutype & MMU_SUN3) |
| 441 | mmu = "Sun-3"; |
| 442 | else if (m68k_mmutype & MMU_APOLLO) |
| 443 | mmu = "Apollo"; |
| 444 | else |
| 445 | mmu = "unknown"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 447 | clockfreq = loops_per_jiffy * HZ * clockfactor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 449 | seq_printf(m, "CPU:\t\t%s\n" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | "MMU:\t\t%s\n" |
| 451 | "FPU:\t\t%s\n" |
| 452 | "Clocking:\t%lu.%1luMHz\n" |
| 453 | "BogoMips:\t%lu.%02lu\n" |
| 454 | "Calibration:\t%lu loops\n", |
| 455 | cpu, mmu, fpu, |
| 456 | clockfreq/1000000,(clockfreq/100000)%10, |
| 457 | loops_per_jiffy/(500000/HZ),(loops_per_jiffy/(5000/HZ))%100, |
| 458 | loops_per_jiffy); |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 459 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | static void *c_start(struct seq_file *m, loff_t *pos) |
| 463 | { |
| 464 | return *pos < 1 ? (void *)1 : NULL; |
| 465 | } |
| 466 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) |
| 467 | { |
| 468 | ++*pos; |
| 469 | return NULL; |
| 470 | } |
| 471 | static void c_stop(struct seq_file *m, void *v) |
| 472 | { |
| 473 | } |
| 474 | struct seq_operations cpuinfo_op = { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 475 | .start = c_start, |
| 476 | .next = c_next, |
| 477 | .stop = c_stop, |
| 478 | .show = show_cpuinfo, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | }; |
| 480 | |
| 481 | int get_hardware_list(char *buffer) |
| 482 | { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 483 | int len = 0; |
| 484 | char model[80]; |
| 485 | unsigned long mem; |
| 486 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 488 | if (mach_get_model) |
| 489 | mach_get_model(model); |
| 490 | else |
| 491 | strcpy(model, "Unknown m68k"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 493 | len += sprintf(buffer + len, "Model:\t\t%s\n", model); |
| 494 | for (mem = 0, i = 0; i < m68k_num_memory; i++) |
| 495 | mem += m68k_memory[i].size; |
| 496 | len += sprintf(buffer + len, "System Memory:\t%ldK\n", mem >> 10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 497 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 498 | if (mach_get_hardware_list) |
| 499 | len += mach_get_hardware_list(buffer + len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 501 | return len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | } |
| 503 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 504 | void check_bugs(void) |
| 505 | { |
| 506 | #ifndef CONFIG_M68KFPU_EMU |
| 507 | if (m68k_fputype == 0) { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 508 | printk(KERN_EMERG "*** YOU DO NOT HAVE A FLOATING POINT UNIT, " |
| 509 | "WHICH IS REQUIRED BY LINUX/M68K ***\n"); |
| 510 | printk(KERN_EMERG "Upgrade your hardware or join the FPU " |
| 511 | "emulation project\n"); |
| 512 | panic("no FPU"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | } |
| 514 | #endif /* !CONFIG_M68KFPU_EMU */ |
| 515 | } |
Finn Thain | d95fd5f | 2007-05-01 22:32:59 +0200 | [diff] [blame] | 516 | |
| 517 | #ifdef CONFIG_ADB |
| 518 | static int __init adb_probe_sync_enable (char *str) { |
| 519 | extern int __adb_probe_sync; |
| 520 | __adb_probe_sync = 1; |
| 521 | return 1; |
| 522 | } |
| 523 | |
| 524 | __setup("adb_sync", adb_probe_sync_enable); |
| 525 | #endif /* CONFIG_ADB */ |