projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/m68knommu/kernel/setup.c | |
| 3 | * | |
| 4 | * Copyright (C) 1999-2004 Greg Ungerer (gerg@snapgear.com) | |
| 5 | * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@lineo.ca> | |
| 6 | * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com} | |
| 7 | * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> | |
| 8 | * Copyright (C) 1995 Hamish Macdonald | |
| e6070a17 | 9 | * Copyright (C) 2000 Lineo Inc. (www.lineo.com) |
| 1da177e4 LT |
10 | * Copyright (C) 2001 Lineo, Inc. <www.lineo.com> |
| 11 | * | |
| 12 | * 68VZ328 Fixes/support Evan Stawnyczy <e@lineo.ca> | |
| 13 | */ | |
| 14 | ||
| 15 | /* | |
| 16 | * This file handles the architecture-dependent parts of system setup | |
| 17 | */ | |
| 18 | ||
| 19 | #include <linux/config.h> | |
| 20 | #include <linux/kernel.h> | |
| 21 | #include <linux/sched.h> | |
| 22 | #include <linux/delay.h> | |
| 23 | #include <linux/interrupt.h> | |
| 24 | #include <linux/fs.h> | |
| 25 | #include <linux/fb.h> | |
| e6070a17 | 26 | #include <linux/module.h> |
| 1da177e4 LT |
27 | #include <linux/console.h> |
| 28 | #include <linux/genhd.h> | |
| 29 | #include <linux/errno.h> | |
| 30 | #include <linux/string.h> | |
| 31 | #include <linux/major.h> | |
| 32 | #include <linux/bootmem.h> | |
| 33 | #include <linux/seq_file.h> | |
| 34 | #include <linux/root_dev.h> | |
| 35 | #include <linux/init.h> | |
| 36 | ||
| 37 | #include <asm/setup.h> | |
| 38 | #include <asm/irq.h> | |
| 39 | #include <asm/machdep.h> | |
| 40 | ||
| 41 | #ifdef CONFIG_BLK_DEV_INITRD | |
| 42 | #include <asm/pgtable.h> | |
| 43 | #endif | |
| 44 | ||
| 45 | unsigned long rom_length; | |
| 46 | unsigned long memory_start; | |
| 47 | unsigned long memory_end; | |
| 48 | ||
| e6070a17 GU |
49 | EXPORT_SYMBOL(memory_start); |
| 50 | EXPORT_SYMBOL(memory_end); | |
| 51 | ||
| 1da177e4 LT |
52 | char command_line[COMMAND_LINE_SIZE]; |
| 53 | ||
| 54 | /* setup some dummy routines */ | |
| 55 | static void dummy_waitbut(void) | |
| 56 | { | |
| 57 | } | |
| 58 | ||
| 59 | void (*mach_sched_init) (irqreturn_t (*handler)(int, void *, struct pt_regs *)) = NULL; | |
| 60 | void (*mach_tick)( void ) = NULL; | |
| 61 | /* machine dependent keyboard functions */ | |
| 62 | int (*mach_keyb_init) (void) = NULL; | |
| 63 | int (*mach_kbdrate) (struct kbd_repeat *) = NULL; | |
| 64 | void (*mach_kbd_leds) (unsigned int) = NULL; | |
| 65 | /* machine dependent irq functions */ | |
| 66 | void (*mach_init_IRQ) (void) = NULL; | |
| 67 | irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL; | |
| 1da177e4 LT |
68 | int (*mach_get_irq_list) (struct seq_file *, void *) = NULL; |
| 69 | void (*mach_process_int) (int irq, struct pt_regs *fp) = NULL; | |
| 70 | void (*mach_trap_init) (void); | |
| 71 | /* machine dependent timer functions */ | |
| 72 | unsigned long (*mach_gettimeoffset) (void) = NULL; | |
| 73 | void (*mach_gettod) (int*, int*, int*, int*, int*, int*) = NULL; | |
| 74 | int (*mach_hwclk) (int, struct hwclk_time*) = NULL; | |
| 75 | int (*mach_set_clock_mmss) (unsigned long) = NULL; | |
| 76 | void (*mach_mksound)( unsigned int count, unsigned int ticks ) = NULL; | |
| 77 | void (*mach_reset)( void ) = NULL; | |
| 78 | void (*waitbut)(void) = dummy_waitbut; | |
| 79 | void (*mach_debug_init)(void) = NULL; | |
| 80 | void (*mach_halt)( void ) = NULL; | |
| 81 | void (*mach_power_off)( void ) = NULL; | |
| 82 | ||
| 83 | ||
| 84 | #ifdef CONFIG_M68000 | |
| 85 | #define CPU "MC68000" | |
| 86 | #endif | |
| 87 | #ifdef CONFIG_M68328 | |
| 88 | #define CPU "MC68328" | |
| 89 | #endif | |
| 90 | #ifdef CONFIG_M68EZ328 | |
| 91 | #define CPU "MC68EZ328" | |
| 92 | #endif | |
| 93 | #ifdef CONFIG_M68VZ328 | |
| 94 | #define CPU "MC68VZ328" | |
| 95 | #endif | |
| 96 | #ifdef CONFIG_M68332 | |
| 97 | #define CPU "MC68332" | |
| 98 | #endif | |
| 99 | #ifdef CONFIG_M68360 | |
| 100 | #define CPU "MC68360" | |
| 101 | #endif | |
| 102 | #if defined(CONFIG_M5206) | |
| 103 | #define CPU "COLDFIRE(m5206)" | |
| 104 | #endif | |
| 105 | #if defined(CONFIG_M5206e) | |
| 106 | #define CPU "COLDFIRE(m5206e)" | |
| 107 | #endif | |
| 54b03d13 GU |
108 | #if defined(CONFIG_M520x) |
| 109 | #define CPU "COLDFIRE(m520x)" | |
| 110 | #endif | |
| e6070a17 GU |
111 | #if defined(CONFIG_M523x) |
| 112 | #define CPU "COLDFIRE(m523x)" | |
| 113 | #endif | |
| 1da177e4 LT |
114 | #if defined(CONFIG_M5249) |
| 115 | #define CPU "COLDFIRE(m5249)" | |
| 116 | #endif | |
| e6070a17 GU |
117 | #if defined(CONFIG_M5271) |
| 118 | #define CPU "COLDFIRE(m5270/5271)" | |
| 1da177e4 LT |
119 | #endif |
| 120 | #if defined(CONFIG_M5272) | |
| 121 | #define CPU "COLDFIRE(m5272)" | |
| 122 | #endif | |
| e6070a17 GU |
123 | #if defined(CONFIG_M5275) |
| 124 | #define CPU "COLDFIRE(m5274/5275)" | |
| 125 | #endif | |
| 1da177e4 LT |
126 | #if defined(CONFIG_M528x) |
| 127 | #define CPU "COLDFIRE(m5280/5282)" | |
| 128 | #endif | |
| 129 | #if defined(CONFIG_M5307) | |
| 130 | #define CPU "COLDFIRE(m5307)" | |
| 131 | #endif | |
| 132 | #if defined(CONFIG_M5407) | |
| 133 | #define CPU "COLDFIRE(m5407)" | |
| 134 | #endif | |
| 135 | #ifndef CPU | |
| 54b03d13 | 136 | #define CPU "UNKNOWN" |
| 1da177e4 LT |
137 | #endif |
| 138 | ||
| 139 | /* (es) */ | |
| 140 | /* note: why is this defined here? the must be a better place to put this */ | |
| 141 | #if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )) | |
| 142 | #define CAT_ROMARRAY | |
| 143 | #endif | |
| 144 | /* (/es) */ | |
| 145 | ||
| 146 | extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; | |
| 147 | extern int _ramstart, _ramend; | |
| 148 | ||
| 149 | void setup_arch(char **cmdline_p) | |
| 150 | { | |
| 151 | int bootmap_size; | |
| 152 | ||
| 153 | #if defined(CAT_ROMARRAY) && defined(DEBUG) | |
| 154 | extern int __data_rom_start; | |
| 155 | extern int __data_start; | |
| 156 | int *romarray = (int *)((int) &__data_rom_start + | |
| 157 | (int)&_edata - (int)&__data_start); | |
| 158 | #endif | |
| 159 | ||
| 160 | memory_start = PAGE_ALIGN(_ramstart); | |
| 161 | memory_end = _ramend; /* by now the stack is part of the init task */ | |
| 162 | ||
| 163 | init_mm.start_code = (unsigned long) &_stext; | |
| 164 | init_mm.end_code = (unsigned long) &_etext; | |
| 165 | init_mm.end_data = (unsigned long) &_edata; | |
| e6070a17 | 166 | init_mm.brk = (unsigned long) 0; |
| 1da177e4 LT |
167 | |
| 168 | config_BSP(&command_line[0], sizeof(command_line)); | |
| 169 | ||
| 170 | printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n"); | |
| 171 | ||
| 172 | #ifdef CONFIG_UCDIMM | |
| 173 | printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); | |
| 174 | #endif | |
| 175 | #ifdef CONFIG_M68VZ328 | |
| 176 | printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n"); | |
| 177 | #endif | |
| 178 | #ifdef CONFIG_COLDFIRE | |
| 179 | printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n"); | |
| 180 | #ifdef CONFIG_M5307 | |
| 181 | printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n"); | |
| 182 | #endif | |
| 183 | #ifdef CONFIG_ELITE | |
| 184 | printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n"); | |
| e6070a17 | 185 | #endif |
| 1da177e4 LT |
186 | #ifdef CONFIG_TELOS |
| 187 | printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n"); | |
| 188 | #endif | |
| 189 | #endif | |
| 190 | printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n"); | |
| 191 | ||
| 192 | #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ) | |
| 193 | printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n"); | |
| 194 | #endif | |
| 195 | ||
| 196 | #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 ) | |
| 197 | printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n"); | |
| 198 | #endif | |
| 199 | ||
| 200 | #ifdef CONFIG_M68EZ328ADS | |
| 201 | printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); | |
| 202 | #endif | |
| 203 | ||
| 204 | #ifdef CONFIG_ALMA_ANS | |
| 205 | printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); | |
| 206 | #endif | |
| 207 | #if defined (CONFIG_M68360) | |
| 208 | printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n"); | |
| 209 | printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n"); | |
| 210 | #endif | |
| 211 | #ifdef CONFIG_DRAGEN2 | |
| 212 | printk(KERN_INFO "DragonEngine II board support by Georges Menie\n"); | |
| 213 | #endif | |
| e6070a17 GU |
214 | #ifdef CONFIG_M5235EVB |
| 215 | printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)"); | |
| 216 | #endif | |
| 1da177e4 LT |
217 | |
| 218 | #ifdef DEBUG | |
| 219 | printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x " | |
| 220 | "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext, | |
| 221 | (int) &_sdata, (int) &_edata, | |
| 222 | (int) &_sbss, (int) &_ebss); | |
| 223 | printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x " | |
| 224 | "STACK=0x%06x-0x%06x\n", | |
| 225 | #ifdef CAT_ROMARRAY | |
| 226 | (int) romarray, ((int) romarray) + romarray[2], | |
| 227 | #else | |
| 228 | (int) &_ebss, (int) memory_start, | |
| 229 | #endif | |
| 230 | (int) memory_start, (int) memory_end, | |
| 231 | (int) memory_end, (int) _ramend); | |
| 232 | #endif | |
| 233 | ||
| 234 | /* Keep a copy of command line */ | |
| 235 | *cmdline_p = &command_line[0]; | |
| 236 | memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE); | |
| 237 | saved_command_line[COMMAND_LINE_SIZE-1] = 0; | |
| 238 | ||
| 239 | #ifdef DEBUG | |
| e6070a17 | 240 | if (strlen(*cmdline_p)) |
| 1da177e4 LT |
241 | printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); |
| 242 | #endif | |
| 243 | ||
| 244 | #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) | |
| 245 | conswitchp = &dummy_con; | |
| 246 | #endif | |
| 247 | ||
| 248 | /* | |
| 249 | * Give all the memory to the bootmap allocator, tell it to put the | |
| 250 | * boot mem_map at the start of memory. | |
| 251 | */ | |
| 252 | bootmap_size = init_bootmem_node( | |
| 253 | NODE_DATA(0), | |
| 254 | memory_start >> PAGE_SHIFT, /* map goes here */ | |
| 255 | PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ | |
| 256 | memory_end >> PAGE_SHIFT); | |
| 257 | /* | |
| 258 | * Free the usable memory, we have to make sure we do not free | |
| 259 | * the bootmem bitmap so we then reserve it after freeing it :-) | |
| 260 | */ | |
| 261 | free_bootmem(memory_start, memory_end - memory_start); | |
| 262 | reserve_bootmem(memory_start, bootmap_size); | |
| 263 | ||
| 264 | /* | |
| 265 | * Get kmalloc into gear. | |
| 266 | */ | |
| 267 | paging_init(); | |
| 268 | } | |
| 269 | ||
| 270 | int get_cpuinfo(char * buffer) | |
| 271 | { | |
| 272 | char *cpu, *mmu, *fpu; | |
| 273 | u_long clockfreq; | |
| 274 | ||
| 275 | cpu = CPU; | |
| 276 | mmu = "none"; | |
| 277 | fpu = "none"; | |
| 278 | ||
| 279 | #ifdef CONFIG_COLDFIRE | |
| 280 | clockfreq = (loops_per_jiffy*HZ)*3; | |
| 281 | #else | |
| 282 | clockfreq = (loops_per_jiffy*HZ)*16; | |
| 283 | #endif | |
| 284 | ||
| 285 | return(sprintf(buffer, "CPU:\t\t%s\n" | |
| 286 | "MMU:\t\t%s\n" | |
| 287 | "FPU:\t\t%s\n" | |
| 288 | "Clocking:\t%lu.%1luMHz\n" | |
| 289 | "BogoMips:\t%lu.%02lu\n" | |
| 290 | "Calibration:\t%lu loops\n", | |
| 291 | cpu, mmu, fpu, | |
| 292 | clockfreq/1000000,(clockfreq/100000)%10, | |
| 293 | (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, | |
| 294 | (loops_per_jiffy*HZ))); | |
| 295 | ||
| 296 | } | |
| 297 | ||
| 298 | /* | |
| 299 | * Get CPU information for use by the procfs. | |
| 300 | */ | |
| 301 | ||
| 302 | static int show_cpuinfo(struct seq_file *m, void *v) | |
| 303 | { | |
| 304 | char *cpu, *mmu, *fpu; | |
| 305 | u_long clockfreq; | |
| 306 | ||
| 307 | cpu = CPU; | |
| 308 | mmu = "none"; | |
| 309 | fpu = "none"; | |
| 310 | ||
| 311 | #ifdef CONFIG_COLDFIRE | |
| 312 | clockfreq = (loops_per_jiffy*HZ)*3; | |
| 313 | #else | |
| 314 | clockfreq = (loops_per_jiffy*HZ)*16; | |
| 315 | #endif | |
| 316 | ||
| 317 | seq_printf(m, "CPU:\t\t%s\n" | |
| 318 | "MMU:\t\t%s\n" | |
| 319 | "FPU:\t\t%s\n" | |
| 320 | "Clocking:\t%lu.%1luMHz\n" | |
| 321 | "BogoMips:\t%lu.%02lu\n" | |
| 322 | "Calibration:\t%lu loops\n", | |
| 323 | cpu, mmu, fpu, | |
| 324 | clockfreq/1000000,(clockfreq/100000)%10, | |
| 325 | (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, | |
| 326 | (loops_per_jiffy*HZ)); | |
| 327 | ||
| 328 | return 0; | |
| 329 | } | |
| 330 | ||
| 331 | static void *c_start(struct seq_file *m, loff_t *pos) | |
| 332 | { | |
| 333 | return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL; | |
| 334 | } | |
| 335 | ||
| 336 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) | |
| 337 | { | |
| 338 | ++*pos; | |
| 339 | return c_start(m, pos); | |
| 340 | } | |
| 341 | ||
| 342 | static void c_stop(struct seq_file *m, void *v) | |
| 343 | { | |
| 344 | } | |
| 345 | ||
| 346 | struct seq_operations cpuinfo_op = { | |
| 347 | .start = c_start, | |
| 348 | .next = c_next, | |
| 349 | .stop = c_stop, | |
| 350 | .show = show_cpuinfo, | |
| 351 | }; | |
| 352 | ||
| 353 | void arch_gettod(int *year, int *mon, int *day, int *hour, | |
| 354 | int *min, int *sec) | |
| 355 | { | |
| 356 | if (mach_gettod) | |
| 357 | mach_gettod(year, mon, day, hour, min, sec); | |
| 358 | else | |
| 359 | *year = *mon = *day = *hour = *min = *sec = 0; | |
| 360 | } | |
| 361 |