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> |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 23 | #include <linux/proc_fs.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <linux/seq_file.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/initrd.h> |
| 27 | |
| 28 | #include <asm/bootinfo.h> |
Geert Uytterhoeven | c85627f | 2008-12-21 12:03:37 +0100 | [diff] [blame] | 29 | #include <asm/sections.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <asm/setup.h> |
Geert Uytterhoeven | edfd92f | 2008-07-17 21:16:12 +0200 | [diff] [blame] | 31 | #include <asm/fpu.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #include <asm/irq.h> |
| 33 | #include <asm/io.h> |
| 34 | #include <asm/machdep.h> |
| 35 | #ifdef CONFIG_AMIGA |
| 36 | #include <asm/amigahw.h> |
| 37 | #endif |
| 38 | #ifdef CONFIG_ATARI |
| 39 | #include <asm/atarihw.h> |
| 40 | #include <asm/atari_stram.h> |
| 41 | #endif |
| 42 | #ifdef CONFIG_SUN3X |
| 43 | #include <asm/dvma.h> |
| 44 | #endif |
| 45 | |
Geert Uytterhoeven | edfd92f | 2008-07-17 21:16:12 +0200 | [diff] [blame] | 46 | #if !FPSTATESIZE || !NR_IRQS |
| 47 | #warning No CPU/platform type selected, your kernel will not work! |
| 48 | #warning Are you building an allnoconfig kernel? |
| 49 | #endif |
| 50 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | unsigned long m68k_machtype; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 52 | EXPORT_SYMBOL(m68k_machtype); |
Geert Uytterhoeven | 91cf248 | 2008-05-18 20:47:20 +0200 | [diff] [blame] | 53 | unsigned long m68k_cputype; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 54 | EXPORT_SYMBOL(m68k_cputype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | unsigned long m68k_fputype; |
| 56 | unsigned long m68k_mmutype; |
Geert Uytterhoeven | 91cf248 | 2008-05-18 20:47:20 +0200 | [diff] [blame] | 57 | EXPORT_SYMBOL(m68k_mmutype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #ifdef CONFIG_VME |
| 59 | unsigned long vme_brdtype; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 60 | EXPORT_SYMBOL(vme_brdtype); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #endif |
| 62 | |
| 63 | int m68k_is040or060; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 64 | EXPORT_SYMBOL(m68k_is040or060); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | extern unsigned long availmem; |
| 67 | |
| 68 | int m68k_num_memory; |
Al Viro | 88f8bb7 | 2007-07-20 04:33:18 +0100 | [diff] [blame] | 69 | EXPORT_SYMBOL(m68k_num_memory); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | int m68k_realnum_memory; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 71 | EXPORT_SYMBOL(m68k_realnum_memory); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | unsigned long m68k_memoffset; |
| 73 | struct mem_info m68k_memory[NUM_MEMINFO]; |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 74 | EXPORT_SYMBOL(m68k_memory); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | |
Roman Zippel | 12d810c | 2007-05-31 00:40:54 -0700 | [diff] [blame] | 76 | struct mem_info m68k_ramdisk; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
| 78 | static char m68k_command_line[CL_SIZE]; |
| 79 | |
David Howells | 40220c1 | 2006-10-09 12:19:47 +0100 | [diff] [blame] | 80 | void (*mach_sched_init) (irq_handler_t handler) __initdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | /* machine dependent irq functions */ |
| 82 | void (*mach_init_IRQ) (void) __initdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | void (*mach_get_model) (char *model); |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 84 | void (*mach_get_hardware_list) (struct seq_file *m); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | /* machine dependent timer functions */ |
| 86 | unsigned long (*mach_gettimeoffset) (void); |
| 87 | int (*mach_hwclk) (int, struct rtc_time*); |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 88 | EXPORT_SYMBOL(mach_hwclk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | int (*mach_set_clock_mmss) (unsigned long); |
| 90 | unsigned int (*mach_get_ss)(void); |
| 91 | int (*mach_get_rtc_pll)(struct rtc_pll_info *); |
| 92 | int (*mach_set_rtc_pll)(struct rtc_pll_info *); |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 93 | EXPORT_SYMBOL(mach_get_ss); |
| 94 | EXPORT_SYMBOL(mach_get_rtc_pll); |
| 95 | EXPORT_SYMBOL(mach_set_rtc_pll); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | void (*mach_reset)( void ); |
| 97 | void (*mach_halt)( void ); |
| 98 | void (*mach_power_off)( void ); |
| 99 | long mach_max_dma_address = 0x00ffffff; /* default set to the lower 16MB */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | #ifdef CONFIG_HEARTBEAT |
| 101 | void (*mach_heartbeat) (int); |
| 102 | EXPORT_SYMBOL(mach_heartbeat); |
| 103 | #endif |
| 104 | #ifdef CONFIG_M68K_L2_CACHE |
| 105 | void (*mach_l2_flush) (int); |
| 106 | #endif |
| 107 | #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE) |
| 108 | void (*mach_beep)(unsigned int, unsigned int); |
Al Viro | 2e81148 | 2006-10-11 17:28:27 +0100 | [diff] [blame] | 109 | EXPORT_SYMBOL(mach_beep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | #endif |
| 111 | #if defined(CONFIG_ISA) && defined(MULTI_ISA) |
| 112 | int isa_type; |
| 113 | int isa_sex; |
Al Viro | aa7e02f | 2006-01-12 01:06:15 -0800 | [diff] [blame] | 114 | EXPORT_SYMBOL(isa_type); |
| 115 | EXPORT_SYMBOL(isa_sex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | #endif |
| 117 | |
| 118 | extern int amiga_parse_bootinfo(const struct bi_record *); |
| 119 | extern int atari_parse_bootinfo(const struct bi_record *); |
| 120 | extern int mac_parse_bootinfo(const struct bi_record *); |
| 121 | extern int q40_parse_bootinfo(const struct bi_record *); |
| 122 | extern int bvme6000_parse_bootinfo(const struct bi_record *); |
| 123 | extern int mvme16x_parse_bootinfo(const struct bi_record *); |
| 124 | extern int mvme147_parse_bootinfo(const struct bi_record *); |
| 125 | extern int hp300_parse_bootinfo(const struct bi_record *); |
Geert Uytterhoeven | 635c0a2 | 2008-07-17 21:16:29 +0200 | [diff] [blame] | 126 | extern int apollo_parse_bootinfo(const struct bi_record *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | |
| 128 | extern void config_amiga(void); |
| 129 | extern void config_atari(void); |
| 130 | extern void config_mac(void); |
| 131 | extern void config_sun3(void); |
| 132 | extern void config_apollo(void); |
| 133 | extern void config_mvme147(void); |
| 134 | extern void config_mvme16x(void); |
| 135 | extern void config_bvme6000(void); |
| 136 | extern void config_hp300(void); |
| 137 | extern void config_q40(void); |
| 138 | extern void config_sun3x(void); |
| 139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | #define MASK_256K 0xfffc0000 |
| 141 | |
| 142 | extern void paging_init(void); |
| 143 | |
| 144 | static void __init m68k_parse_bootinfo(const struct bi_record *record) |
| 145 | { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 146 | while (record->tag != BI_LAST) { |
| 147 | int unknown = 0; |
| 148 | const unsigned long *data = record->data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 150 | switch (record->tag) { |
| 151 | case BI_MACHTYPE: |
| 152 | case BI_CPUTYPE: |
| 153 | case BI_FPUTYPE: |
| 154 | case BI_MMUTYPE: |
| 155 | /* Already set up by head.S */ |
| 156 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 158 | case BI_MEMCHUNK: |
| 159 | if (m68k_num_memory < NUM_MEMINFO) { |
| 160 | m68k_memory[m68k_num_memory].addr = data[0]; |
| 161 | m68k_memory[m68k_num_memory].size = data[1]; |
| 162 | m68k_num_memory++; |
| 163 | } else |
| 164 | printk("m68k_parse_bootinfo: too many memory chunks\n"); |
| 165 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 167 | case BI_RAMDISK: |
| 168 | m68k_ramdisk.addr = data[0]; |
| 169 | m68k_ramdisk.size = data[1]; |
| 170 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 172 | case BI_COMMAND_LINE: |
| 173 | strlcpy(m68k_command_line, (const char *)data, |
| 174 | sizeof(m68k_command_line)); |
| 175 | break; |
| 176 | |
| 177 | default: |
| 178 | if (MACH_IS_AMIGA) |
| 179 | unknown = amiga_parse_bootinfo(record); |
| 180 | else if (MACH_IS_ATARI) |
| 181 | unknown = atari_parse_bootinfo(record); |
| 182 | else if (MACH_IS_MAC) |
| 183 | unknown = mac_parse_bootinfo(record); |
| 184 | else if (MACH_IS_Q40) |
| 185 | unknown = q40_parse_bootinfo(record); |
| 186 | else if (MACH_IS_BVME6000) |
| 187 | unknown = bvme6000_parse_bootinfo(record); |
| 188 | else if (MACH_IS_MVME16x) |
| 189 | unknown = mvme16x_parse_bootinfo(record); |
| 190 | else if (MACH_IS_MVME147) |
| 191 | unknown = mvme147_parse_bootinfo(record); |
| 192 | else if (MACH_IS_HP300) |
| 193 | unknown = hp300_parse_bootinfo(record); |
Geert Uytterhoeven | 635c0a2 | 2008-07-17 21:16:29 +0200 | [diff] [blame] | 194 | else if (MACH_IS_APOLLO) |
| 195 | unknown = apollo_parse_bootinfo(record); |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 196 | else |
| 197 | unknown = 1; |
| 198 | } |
| 199 | if (unknown) |
| 200 | printk("m68k_parse_bootinfo: unknown tag 0x%04x ignored\n", |
| 201 | record->tag); |
| 202 | record = (struct bi_record *)((unsigned long)record + |
| 203 | record->size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 206 | m68k_realnum_memory = m68k_num_memory; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | #ifdef CONFIG_SINGLE_MEMORY_CHUNK |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 208 | if (m68k_num_memory > 1) { |
| 209 | printk("Ignoring last %i chunks of physical memory\n", |
| 210 | (m68k_num_memory - 1)); |
| 211 | m68k_num_memory = 1; |
| 212 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | #endif |
| 214 | } |
| 215 | |
| 216 | void __init setup_arch(char **cmdline_p) |
| 217 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | |
| 220 | /* The bootinfo is located right after the kernel bss */ |
Geert Uytterhoeven | c85627f | 2008-12-21 12:03:37 +0100 | [diff] [blame] | 221 | m68k_parse_bootinfo((const struct bi_record *)_end); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | |
| 223 | if (CPU_IS_040) |
| 224 | m68k_is040or060 = 4; |
| 225 | else if (CPU_IS_060) |
| 226 | m68k_is040or060 = 6; |
| 227 | |
| 228 | /* FIXME: m68k_fputype is passed in by Penguin booter, which can |
| 229 | * be confused by software FPU emulation. BEWARE. |
| 230 | * We should really do our own FPU check at startup. |
| 231 | * [what do we do with buggy 68LC040s? if we have problems |
| 232 | * with them, we should add a test to check_bugs() below] */ |
| 233 | #ifndef CONFIG_M68KFPU_EMU_ONLY |
| 234 | /* clear the fpu if we have one */ |
| 235 | if (m68k_fputype & (FPU_68881|FPU_68882|FPU_68040|FPU_68060)) { |
| 236 | volatile int zero = 0; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 237 | asm volatile ("frestore %0" : : "m" (zero)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | } |
| 239 | #endif |
| 240 | |
| 241 | if (CPU_IS_060) { |
| 242 | u32 pcr; |
| 243 | |
| 244 | asm (".chip 68060; movec %%pcr,%0; .chip 68k" |
| 245 | : "=d" (pcr)); |
| 246 | if (((pcr >> 8) & 0xff) <= 5) { |
| 247 | printk("Enabling workaround for errata I14\n"); |
| 248 | asm (".chip 68060; movec %0,%%pcr; .chip 68k" |
| 249 | : : "d" (pcr | 0x20)); |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | init_mm.start_code = PAGE_OFFSET; |
Geert Uytterhoeven | c85627f | 2008-12-21 12:03:37 +0100 | [diff] [blame] | 254 | init_mm.end_code = (unsigned long)_etext; |
| 255 | init_mm.end_data = (unsigned long)_edata; |
| 256 | init_mm.brk = (unsigned long)_end; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | |
| 258 | *cmdline_p = m68k_command_line; |
Alon Bar-Lev | 187959f | 2007-02-12 00:54:14 -0800 | [diff] [blame] | 259 | memcpy(boot_command_line, *cmdline_p, CL_SIZE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | |
Roman Zippel | d6713b4 | 2007-05-01 22:32:45 +0200 | [diff] [blame] | 261 | parse_early_param(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | |
Al Viro | 0c79358 | 2006-01-12 01:06:35 -0800 | [diff] [blame] | 263 | #ifdef CONFIG_DUMMY_CONSOLE |
| 264 | conswitchp = &dummy_con; |
| 265 | #endif |
| 266 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | switch (m68k_machtype) { |
| 268 | #ifdef CONFIG_AMIGA |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 269 | case MACH_AMIGA: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | config_amiga(); |
| 271 | break; |
| 272 | #endif |
| 273 | #ifdef CONFIG_ATARI |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 274 | case MACH_ATARI: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | config_atari(); |
| 276 | break; |
| 277 | #endif |
| 278 | #ifdef CONFIG_MAC |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 279 | case MACH_MAC: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | config_mac(); |
| 281 | break; |
| 282 | #endif |
| 283 | #ifdef CONFIG_SUN3 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 284 | case MACH_SUN3: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | config_sun3(); |
| 286 | break; |
| 287 | #endif |
| 288 | #ifdef CONFIG_APOLLO |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 289 | case MACH_APOLLO: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | config_apollo(); |
| 291 | break; |
| 292 | #endif |
| 293 | #ifdef CONFIG_MVME147 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 294 | case MACH_MVME147: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 295 | config_mvme147(); |
| 296 | break; |
| 297 | #endif |
| 298 | #ifdef CONFIG_MVME16x |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 299 | case MACH_MVME16x: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | config_mvme16x(); |
| 301 | break; |
| 302 | #endif |
| 303 | #ifdef CONFIG_BVME6000 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 304 | case MACH_BVME6000: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | config_bvme6000(); |
| 306 | break; |
| 307 | #endif |
| 308 | #ifdef CONFIG_HP300 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 309 | case MACH_HP300: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | config_hp300(); |
| 311 | break; |
| 312 | #endif |
| 313 | #ifdef CONFIG_Q40 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 314 | case MACH_Q40: |
| 315 | config_q40(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | break; |
| 317 | #endif |
| 318 | #ifdef CONFIG_SUN3X |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 319 | case MACH_SUN3X: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | config_sun3x(); |
| 321 | break; |
| 322 | #endif |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 323 | default: |
| 324 | panic("No configuration setup"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | } |
| 326 | |
Roman Zippel | 12d810c | 2007-05-31 00:40:54 -0700 | [diff] [blame] | 327 | paging_init(); |
| 328 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | #ifndef CONFIG_SUN3 |
Roman Zippel | 12d810c | 2007-05-31 00:40:54 -0700 | [diff] [blame] | 330 | for (i = 1; i < m68k_num_memory; i++) |
| 331 | free_bootmem_node(NODE_DATA(i), m68k_memory[i].addr, |
| 332 | m68k_memory[i].size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | #ifdef CONFIG_BLK_DEV_INITRD |
| 334 | if (m68k_ramdisk.size) { |
Roman Zippel | 12d810c | 2007-05-31 00:40:54 -0700 | [diff] [blame] | 335 | reserve_bootmem_node(__virt_to_node(phys_to_virt(m68k_ramdisk.addr)), |
Bernhard Walle | 72a7fe3 | 2008-02-07 00:15:17 -0800 | [diff] [blame] | 336 | m68k_ramdisk.addr, m68k_ramdisk.size, |
| 337 | BOOTMEM_DEFAULT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | initrd_start = (unsigned long)phys_to_virt(m68k_ramdisk.addr); |
| 339 | initrd_end = initrd_start + m68k_ramdisk.size; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 340 | printk("initrd: %08lx - %08lx\n", initrd_start, initrd_end); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | } |
| 342 | #endif |
| 343 | |
| 344 | #ifdef CONFIG_ATARI |
| 345 | if (MACH_IS_ATARI) |
| 346 | atari_stram_reserve_pages((void *)availmem); |
| 347 | #endif |
| 348 | #ifdef CONFIG_SUN3X |
| 349 | if (MACH_IS_SUN3X) { |
| 350 | dvma_init(); |
| 351 | } |
| 352 | #endif |
| 353 | |
| 354 | #endif /* !CONFIG_SUN3 */ |
| 355 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | /* set ISA defs early as possible */ |
| 357 | #if defined(CONFIG_ISA) && defined(MULTI_ISA) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | if (MACH_IS_Q40) { |
Geert Uytterhoeven | 52de114 | 2008-05-18 20:47:21 +0200 | [diff] [blame] | 359 | isa_type = ISA_TYPE_Q40; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 360 | isa_sex = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | } |
Geert Uytterhoeven | d5ec550 | 2008-05-18 20:47:22 +0200 | [diff] [blame] | 362 | #ifdef CONFIG_GG2 |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 363 | if (MACH_IS_AMIGA && AMIGAHW_PRESENT(GG2_ISA)) { |
Geert Uytterhoeven | 52de114 | 2008-05-18 20:47:21 +0200 | [diff] [blame] | 364 | isa_type = ISA_TYPE_GG2; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 365 | isa_sex = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | } |
Geert Uytterhoeven | d5ec550 | 2008-05-18 20:47:22 +0200 | [diff] [blame] | 367 | #endif |
| 368 | #ifdef CONFIG_AMIGA_PCMCIA |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 369 | if (MACH_IS_AMIGA && AMIGAHW_PRESENT(PCMCIA)) { |
Geert Uytterhoeven | 52de114 | 2008-05-18 20:47:21 +0200 | [diff] [blame] | 370 | isa_type = ISA_TYPE_AG; |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 371 | isa_sex = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 372 | } |
| 373 | #endif |
| 374 | #endif |
| 375 | } |
| 376 | |
| 377 | static int show_cpuinfo(struct seq_file *m, void *v) |
| 378 | { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 379 | const char *cpu, *mmu, *fpu; |
| 380 | unsigned long clockfreq, clockfactor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | |
| 382 | #define LOOP_CYCLES_68020 (8) |
| 383 | #define LOOP_CYCLES_68030 (8) |
| 384 | #define LOOP_CYCLES_68040 (3) |
| 385 | #define LOOP_CYCLES_68060 (1) |
| 386 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 387 | if (CPU_IS_020) { |
| 388 | cpu = "68020"; |
| 389 | clockfactor = LOOP_CYCLES_68020; |
| 390 | } else if (CPU_IS_030) { |
| 391 | cpu = "68030"; |
| 392 | clockfactor = LOOP_CYCLES_68030; |
| 393 | } else if (CPU_IS_040) { |
| 394 | cpu = "68040"; |
| 395 | clockfactor = LOOP_CYCLES_68040; |
| 396 | } else if (CPU_IS_060) { |
| 397 | cpu = "68060"; |
| 398 | clockfactor = LOOP_CYCLES_68060; |
| 399 | } else { |
| 400 | cpu = "680x0"; |
| 401 | clockfactor = 0; |
| 402 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | |
| 404 | #ifdef CONFIG_M68KFPU_EMU_ONLY |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 405 | fpu = "none(soft float)"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | #else |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 407 | if (m68k_fputype & FPU_68881) |
| 408 | fpu = "68881"; |
| 409 | else if (m68k_fputype & FPU_68882) |
| 410 | fpu = "68882"; |
| 411 | else if (m68k_fputype & FPU_68040) |
| 412 | fpu = "68040"; |
| 413 | else if (m68k_fputype & FPU_68060) |
| 414 | fpu = "68060"; |
| 415 | else if (m68k_fputype & FPU_SUNFPA) |
| 416 | fpu = "Sun FPA"; |
| 417 | else |
| 418 | fpu = "none"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | #endif |
| 420 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 421 | if (m68k_mmutype & MMU_68851) |
| 422 | mmu = "68851"; |
| 423 | else if (m68k_mmutype & MMU_68030) |
| 424 | mmu = "68030"; |
| 425 | else if (m68k_mmutype & MMU_68040) |
| 426 | mmu = "68040"; |
| 427 | else if (m68k_mmutype & MMU_68060) |
| 428 | mmu = "68060"; |
| 429 | else if (m68k_mmutype & MMU_SUN3) |
| 430 | mmu = "Sun-3"; |
| 431 | else if (m68k_mmutype & MMU_APOLLO) |
| 432 | mmu = "Apollo"; |
| 433 | else |
| 434 | mmu = "unknown"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 435 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 436 | clockfreq = loops_per_jiffy * HZ * clockfactor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 438 | seq_printf(m, "CPU:\t\t%s\n" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | "MMU:\t\t%s\n" |
| 440 | "FPU:\t\t%s\n" |
| 441 | "Clocking:\t%lu.%1luMHz\n" |
| 442 | "BogoMips:\t%lu.%02lu\n" |
| 443 | "Calibration:\t%lu loops\n", |
| 444 | cpu, mmu, fpu, |
| 445 | clockfreq/1000000,(clockfreq/100000)%10, |
| 446 | loops_per_jiffy/(500000/HZ),(loops_per_jiffy/(5000/HZ))%100, |
| 447 | loops_per_jiffy); |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 448 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | static void *c_start(struct seq_file *m, loff_t *pos) |
| 452 | { |
| 453 | return *pos < 1 ? (void *)1 : NULL; |
| 454 | } |
| 455 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) |
| 456 | { |
| 457 | ++*pos; |
| 458 | return NULL; |
| 459 | } |
| 460 | static void c_stop(struct seq_file *m, void *v) |
| 461 | { |
| 462 | } |
Jan Engelhardt | 03a4482 | 2008-02-08 04:21:19 -0800 | [diff] [blame] | 463 | const struct seq_operations cpuinfo_op = { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 464 | .start = c_start, |
| 465 | .next = c_next, |
| 466 | .stop = c_stop, |
| 467 | .show = show_cpuinfo, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | }; |
| 469 | |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 470 | #ifdef CONFIG_PROC_HARDWARE |
| 471 | static int hardware_proc_show(struct seq_file *m, void *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 473 | char model[80]; |
| 474 | unsigned long mem; |
| 475 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 477 | if (mach_get_model) |
| 478 | mach_get_model(model); |
| 479 | else |
| 480 | strcpy(model, "Unknown m68k"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 482 | seq_printf(m, "Model:\t\t%s\n", model); |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 483 | for (mem = 0, i = 0; i < m68k_num_memory; i++) |
| 484 | mem += m68k_memory[i].size; |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 485 | seq_printf(m, "System Memory:\t%ldK\n", mem >> 10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 487 | if (mach_get_hardware_list) |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 488 | mach_get_hardware_list(m); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 490 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | } |
| 492 | |
Alexey Dobriyan | 813dcf7 | 2008-10-03 22:42:36 +0400 | [diff] [blame] | 493 | static int hardware_proc_open(struct inode *inode, struct file *file) |
| 494 | { |
| 495 | return single_open(file, hardware_proc_show, NULL); |
| 496 | } |
| 497 | |
| 498 | static const struct file_operations hardware_proc_fops = { |
| 499 | .open = hardware_proc_open, |
| 500 | .read = seq_read, |
| 501 | .llseek = seq_lseek, |
| 502 | .release = single_release, |
| 503 | }; |
| 504 | |
| 505 | static int __init proc_hardware_init(void) |
| 506 | { |
| 507 | proc_create("hardware", 0, NULL, &hardware_proc_fops); |
| 508 | return 0; |
| 509 | } |
| 510 | module_init(proc_hardware_init); |
| 511 | #endif |
| 512 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | void check_bugs(void) |
| 514 | { |
| 515 | #ifndef CONFIG_M68KFPU_EMU |
| 516 | if (m68k_fputype == 0) { |
Roman Zippel | 6ff5801 | 2007-05-01 22:32:43 +0200 | [diff] [blame] | 517 | printk(KERN_EMERG "*** YOU DO NOT HAVE A FLOATING POINT UNIT, " |
| 518 | "WHICH IS REQUIRED BY LINUX/M68K ***\n"); |
| 519 | printk(KERN_EMERG "Upgrade your hardware or join the FPU " |
| 520 | "emulation project\n"); |
| 521 | panic("no FPU"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | } |
| 523 | #endif /* !CONFIG_M68KFPU_EMU */ |
| 524 | } |
Finn Thain | d95fd5f | 2007-05-01 22:32:59 +0200 | [diff] [blame] | 525 | |
| 526 | #ifdef CONFIG_ADB |
| 527 | static int __init adb_probe_sync_enable (char *str) { |
| 528 | extern int __adb_probe_sync; |
| 529 | __adb_probe_sync = 1; |
| 530 | return 1; |
| 531 | } |
| 532 | |
| 533 | __setup("adb_sync", adb_probe_sync_enable); |
| 534 | #endif /* CONFIG_ADB */ |