Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 9 | * Copyright (C) 2000 Lineo Inc. (www.lineo.com) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | #include <linux/kernel.h> |
| 20 | #include <linux/sched.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/interrupt.h> |
| 23 | #include <linux/fs.h> |
| 24 | #include <linux/fb.h> |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 25 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #include <linux/console.h> |
| 27 | #include <linux/genhd.h> |
| 28 | #include <linux/errno.h> |
| 29 | #include <linux/string.h> |
| 30 | #include <linux/major.h> |
| 31 | #include <linux/bootmem.h> |
| 32 | #include <linux/seq_file.h> |
| 33 | #include <linux/root_dev.h> |
| 34 | #include <linux/init.h> |
| 35 | |
| 36 | #include <asm/setup.h> |
| 37 | #include <asm/irq.h> |
| 38 | #include <asm/machdep.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | #include <asm/pgtable.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | unsigned long memory_start; |
| 42 | unsigned long memory_end; |
| 43 | |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 44 | EXPORT_SYMBOL(memory_start); |
| 45 | EXPORT_SYMBOL(memory_end); |
| 46 | |
Alon Bar-Lev | f2a09e1 | 2007-02-12 00:54:14 -0800 | [diff] [blame] | 47 | char __initdata command_line[COMMAND_LINE_SIZE]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
| 49 | /* setup some dummy routines */ |
| 50 | static void dummy_waitbut(void) |
| 51 | { |
| 52 | } |
| 53 | |
Greg Ungerer | 1ed35e0 | 2007-03-07 11:28:13 +1000 | [diff] [blame] | 54 | void (*mach_sched_init) (irq_handler_t handler); |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 55 | void (*mach_tick)( void ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | /* machine dependent keyboard functions */ |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 57 | int (*mach_keyb_init) (void); |
| 58 | int (*mach_kbdrate) (struct kbd_repeat *); |
| 59 | void (*mach_kbd_leds) (unsigned int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | /* machine dependent irq functions */ |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 61 | void (*mach_init_IRQ) (void); |
Greg Ungerer | ace5f1d | 2006-11-20 15:46:22 +1000 | [diff] [blame] | 62 | irq_handler_t mach_default_handler; |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 63 | int (*mach_get_irq_list) (struct seq_file *, void *); |
| 64 | void (*mach_process_int) (int irq, struct pt_regs *fp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | void (*mach_trap_init) (void); |
| 66 | /* machine dependent timer functions */ |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 67 | unsigned long (*mach_gettimeoffset) (void); |
| 68 | void (*mach_gettod) (int*, int*, int*, int*, int*, int*); |
Greg Ungerer | 1ed35e0 | 2007-03-07 11:28:13 +1000 | [diff] [blame] | 69 | int (*mach_hwclk) (int, struct rtc_time*); |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 70 | int (*mach_set_clock_mmss) (unsigned long); |
| 71 | void (*mach_mksound)( unsigned int count, unsigned int ticks ); |
| 72 | void (*mach_reset)( void ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | void (*waitbut)(void) = dummy_waitbut; |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 74 | void (*mach_debug_init)(void); |
| 75 | void (*mach_halt)( void ); |
| 76 | void (*mach_power_off)( void ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
| 78 | |
| 79 | #ifdef CONFIG_M68000 |
| 80 | #define CPU "MC68000" |
| 81 | #endif |
| 82 | #ifdef CONFIG_M68328 |
| 83 | #define CPU "MC68328" |
| 84 | #endif |
| 85 | #ifdef CONFIG_M68EZ328 |
| 86 | #define CPU "MC68EZ328" |
| 87 | #endif |
| 88 | #ifdef CONFIG_M68VZ328 |
| 89 | #define CPU "MC68VZ328" |
| 90 | #endif |
| 91 | #ifdef CONFIG_M68332 |
| 92 | #define CPU "MC68332" |
| 93 | #endif |
| 94 | #ifdef CONFIG_M68360 |
| 95 | #define CPU "MC68360" |
| 96 | #endif |
| 97 | #if defined(CONFIG_M5206) |
| 98 | #define CPU "COLDFIRE(m5206)" |
| 99 | #endif |
| 100 | #if defined(CONFIG_M5206e) |
| 101 | #define CPU "COLDFIRE(m5206e)" |
| 102 | #endif |
Greg Ungerer | 54b03d1 | 2005-11-07 14:09:50 +1000 | [diff] [blame] | 103 | #if defined(CONFIG_M520x) |
| 104 | #define CPU "COLDFIRE(m520x)" |
| 105 | #endif |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 106 | #if defined(CONFIG_M523x) |
| 107 | #define CPU "COLDFIRE(m523x)" |
| 108 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | #if defined(CONFIG_M5249) |
| 110 | #define CPU "COLDFIRE(m5249)" |
| 111 | #endif |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 112 | #if defined(CONFIG_M5271) |
| 113 | #define CPU "COLDFIRE(m5270/5271)" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | #endif |
| 115 | #if defined(CONFIG_M5272) |
| 116 | #define CPU "COLDFIRE(m5272)" |
| 117 | #endif |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 118 | #if defined(CONFIG_M5275) |
| 119 | #define CPU "COLDFIRE(m5274/5275)" |
| 120 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | #if defined(CONFIG_M528x) |
| 122 | #define CPU "COLDFIRE(m5280/5282)" |
| 123 | #endif |
| 124 | #if defined(CONFIG_M5307) |
| 125 | #define CPU "COLDFIRE(m5307)" |
| 126 | #endif |
Greg Ungerer | 7877d01 | 2006-06-26 10:33:10 +1000 | [diff] [blame] | 127 | #if defined(CONFIG_M532x) |
| 128 | #define CPU "COLDFIRE(m532x)" |
| 129 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | #if defined(CONFIG_M5407) |
| 131 | #define CPU "COLDFIRE(m5407)" |
| 132 | #endif |
| 133 | #ifndef CPU |
Greg Ungerer | 54b03d1 | 2005-11-07 14:09:50 +1000 | [diff] [blame] | 134 | #define CPU "UNKNOWN" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | #endif |
| 136 | |
| 137 | /* (es) */ |
| 138 | /* note: why is this defined here? the must be a better place to put this */ |
| 139 | #if defined( CONFIG_TELOS) || defined( CONFIG_UCDIMM ) || defined( CONFIG_UCSIMM ) || defined(CONFIG_DRAGEN2) || (defined( CONFIG_PILOT ) && defined( CONFIG_M68328 )) |
| 140 | #define CAT_ROMARRAY |
| 141 | #endif |
| 142 | /* (/es) */ |
| 143 | |
| 144 | extern int _stext, _etext, _sdata, _edata, _sbss, _ebss, _end; |
| 145 | extern int _ramstart, _ramend; |
| 146 | |
| 147 | void setup_arch(char **cmdline_p) |
| 148 | { |
| 149 | int bootmap_size; |
| 150 | |
| 151 | #if defined(CAT_ROMARRAY) && defined(DEBUG) |
| 152 | extern int __data_rom_start; |
| 153 | extern int __data_start; |
| 154 | int *romarray = (int *)((int) &__data_rom_start + |
| 155 | (int)&_edata - (int)&__data_start); |
| 156 | #endif |
| 157 | |
| 158 | memory_start = PAGE_ALIGN(_ramstart); |
| 159 | memory_end = _ramend; /* by now the stack is part of the init task */ |
| 160 | |
| 161 | init_mm.start_code = (unsigned long) &_stext; |
| 162 | init_mm.end_code = (unsigned long) &_etext; |
| 163 | init_mm.end_data = (unsigned long) &_edata; |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 164 | init_mm.brk = (unsigned long) 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
| 166 | config_BSP(&command_line[0], sizeof(command_line)); |
| 167 | |
| 168 | printk(KERN_INFO "\x0F\r\n\nuClinux/" CPU "\n"); |
| 169 | |
| 170 | #ifdef CONFIG_UCDIMM |
| 171 | printk(KERN_INFO "uCdimm by Lineo, Inc. <www.lineo.com>\n"); |
| 172 | #endif |
| 173 | #ifdef CONFIG_M68VZ328 |
| 174 | printk(KERN_INFO "M68VZ328 support by Evan Stawnyczy <e@lineo.ca>\n"); |
| 175 | #endif |
| 176 | #ifdef CONFIG_COLDFIRE |
| 177 | printk(KERN_INFO "COLDFIRE port done by Greg Ungerer, gerg@snapgear.com\n"); |
| 178 | #ifdef CONFIG_M5307 |
| 179 | printk(KERN_INFO "Modified for M5307 by Dave Miller, dmiller@intellistor.com\n"); |
| 180 | #endif |
| 181 | #ifdef CONFIG_ELITE |
| 182 | printk(KERN_INFO "Modified for M5206eLITE by Rob Scott, rscott@mtrob.fdns.net\n"); |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 183 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | #ifdef CONFIG_TELOS |
| 185 | printk(KERN_INFO "Modified for Omnia ToolVox by James D. Schettine, james@telos-systems.com\n"); |
| 186 | #endif |
| 187 | #endif |
| 188 | printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n"); |
| 189 | |
| 190 | #if defined( CONFIG_PILOT ) && defined( CONFIG_M68328 ) |
| 191 | printk(KERN_INFO "TRG SuperPilot FLASH card support <info@trgnet.com>\n"); |
| 192 | #endif |
| 193 | |
| 194 | #if defined( CONFIG_PILOT ) && defined( CONFIG_M68EZ328 ) |
| 195 | printk(KERN_INFO "PalmV support by Lineo Inc. <jeff@uclinux.com>\n"); |
| 196 | #endif |
| 197 | |
| 198 | #ifdef CONFIG_M68EZ328ADS |
| 199 | printk(KERN_INFO "M68EZ328ADS board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); |
| 200 | #endif |
| 201 | |
| 202 | #ifdef CONFIG_ALMA_ANS |
| 203 | printk(KERN_INFO "Alma Electronics board support (C) 1999 Vladimir Gurevich <vgurevic@cisco.com>\n"); |
| 204 | #endif |
| 205 | #if defined (CONFIG_M68360) |
| 206 | printk(KERN_INFO "QUICC port done by SED Systems <hamilton@sedsystems.ca>,\n"); |
| 207 | printk(KERN_INFO "based on 2.0.38 port by Lineo Inc. <mleslie@lineo.com>.\n"); |
| 208 | #endif |
| 209 | #ifdef CONFIG_DRAGEN2 |
| 210 | printk(KERN_INFO "DragonEngine II board support by Georges Menie\n"); |
| 211 | #endif |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 212 | #ifdef CONFIG_M5235EVB |
| 213 | printk(KERN_INFO "Motorola M5235EVB support (C)2005 Syn-tech Systems, Inc. (Jate Sujjavanich)"); |
| 214 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | |
| 216 | #ifdef DEBUG |
| 217 | printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x " |
| 218 | "BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext, |
| 219 | (int) &_sdata, (int) &_edata, |
| 220 | (int) &_sbss, (int) &_ebss); |
| 221 | printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x " |
| 222 | "STACK=0x%06x-0x%06x\n", |
| 223 | #ifdef CAT_ROMARRAY |
| 224 | (int) romarray, ((int) romarray) + romarray[2], |
| 225 | #else |
| 226 | (int) &_ebss, (int) memory_start, |
| 227 | #endif |
| 228 | (int) memory_start, (int) memory_end, |
| 229 | (int) memory_end, (int) _ramend); |
| 230 | #endif |
| 231 | |
| 232 | /* Keep a copy of command line */ |
| 233 | *cmdline_p = &command_line[0]; |
Alon Bar-Lev | f2a09e1 | 2007-02-12 00:54:14 -0800 | [diff] [blame] | 234 | memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); |
| 235 | boot_command_line[COMMAND_LINE_SIZE-1] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | |
| 237 | #ifdef DEBUG |
Greg Ungerer | e6070a1 | 2005-09-02 10:42:52 +1000 | [diff] [blame] | 238 | if (strlen(*cmdline_p)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); |
| 240 | #endif |
| 241 | |
| 242 | #if defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_DUMMY_CONSOLE) |
| 243 | conswitchp = &dummy_con; |
| 244 | #endif |
| 245 | |
| 246 | /* |
| 247 | * Give all the memory to the bootmap allocator, tell it to put the |
| 248 | * boot mem_map at the start of memory. |
| 249 | */ |
| 250 | bootmap_size = init_bootmem_node( |
| 251 | NODE_DATA(0), |
| 252 | memory_start >> PAGE_SHIFT, /* map goes here */ |
| 253 | PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ |
| 254 | memory_end >> PAGE_SHIFT); |
| 255 | /* |
| 256 | * Free the usable memory, we have to make sure we do not free |
| 257 | * the bootmem bitmap so we then reserve it after freeing it :-) |
| 258 | */ |
| 259 | free_bootmem(memory_start, memory_end - memory_start); |
| 260 | reserve_bootmem(memory_start, bootmap_size); |
| 261 | |
| 262 | /* |
| 263 | * Get kmalloc into gear. |
| 264 | */ |
| 265 | paging_init(); |
| 266 | } |
| 267 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | /* |
| 269 | * Get CPU information for use by the procfs. |
| 270 | */ |
| 271 | |
| 272 | static int show_cpuinfo(struct seq_file *m, void *v) |
| 273 | { |
| 274 | char *cpu, *mmu, *fpu; |
| 275 | u_long clockfreq; |
| 276 | |
| 277 | cpu = CPU; |
| 278 | mmu = "none"; |
| 279 | fpu = "none"; |
| 280 | |
| 281 | #ifdef CONFIG_COLDFIRE |
| 282 | clockfreq = (loops_per_jiffy*HZ)*3; |
| 283 | #else |
| 284 | clockfreq = (loops_per_jiffy*HZ)*16; |
| 285 | #endif |
| 286 | |
| 287 | seq_printf(m, "CPU:\t\t%s\n" |
| 288 | "MMU:\t\t%s\n" |
| 289 | "FPU:\t\t%s\n" |
| 290 | "Clocking:\t%lu.%1luMHz\n" |
| 291 | "BogoMips:\t%lu.%02lu\n" |
| 292 | "Calibration:\t%lu loops\n", |
| 293 | cpu, mmu, fpu, |
| 294 | clockfreq/1000000,(clockfreq/100000)%10, |
| 295 | (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, |
| 296 | (loops_per_jiffy*HZ)); |
| 297 | |
| 298 | return 0; |
| 299 | } |
| 300 | |
| 301 | static void *c_start(struct seq_file *m, loff_t *pos) |
| 302 | { |
| 303 | return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL; |
| 304 | } |
| 305 | |
| 306 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) |
| 307 | { |
| 308 | ++*pos; |
| 309 | return c_start(m, pos); |
| 310 | } |
| 311 | |
| 312 | static void c_stop(struct seq_file *m, void *v) |
| 313 | { |
| 314 | } |
| 315 | |
| 316 | struct seq_operations cpuinfo_op = { |
| 317 | .start = c_start, |
| 318 | .next = c_next, |
| 319 | .stop = c_stop, |
| 320 | .show = show_cpuinfo, |
| 321 | }; |
| 322 | |
| 323 | void arch_gettod(int *year, int *mon, int *day, int *hour, |
| 324 | int *min, int *sec) |
| 325 | { |
| 326 | if (mach_gettod) |
| 327 | mach_gettod(year, mon, day, hour, min, sec); |
| 328 | else |
| 329 | *year = *mon = *day = *hour = *min = *sec = 0; |
| 330 | } |
| 331 | |