1 /* 2 * (C) Copyright 2000-2002 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef __COMMON_H_ 25 #define __COMMON_H_ 1 26 27 #undef _LINUX_CONFIG_H 28 #define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ 29 30 typedef unsigned char uchar; 31 typedef volatile unsigned long vu_long; 32 typedef volatile unsigned short vu_short; 33 typedef volatile unsigned char vu_char; 34 35 #include <config.h> 36 #include <linux/bitops.h> 37 #include <linux/types.h> 38 #include <linux/string.h> 39 #include <asm/ptrace.h> 40 #include <stdarg.h> 41 #if defined(CONFIG_PCI) && defined(CONFIG_440) 42 #include <pci.h> 43 #endif 44 #ifdef CONFIG_8xx 45 #include <asm/8xx_immap.h> 46 #elif defined(CONFIG_5xx) 47 #include <asm/5xx_immap.h> 48 #elif defined(CONFIG_8260) 49 #include <asm/immap_8260.h> 50 #endif 51 #ifdef CONFIG_4xx 52 #include <ppc4xx.h> 53 #endif 54 #ifdef CONFIG_HYMOD 55 #include <board/hymod/hymod.h> 56 #endif 57 #ifdef CONFIG_ARM 58 #define asmlinkage /* nothing */ 59 #endif 60 61 #include <part.h> 62 #include <flash.h> 63 #include <image.h> 64 65 #ifdef DEBUG 66 #define debug(fmt,args...) printf (fmt ,##args) 67 #define debugX(level,fmt,args...) if (DEBUG>=level) printf(fmt,##args); 68 #else 69 #define debug(fmt,args...) 70 #define debugX(level,fmt,args...) 71 #endif /* DEBUG */ 72 73 typedef void (interrupt_handler_t)(void *); 74 75 #include <asm/u-boot.h> /* boot information for Linux kernel */ 76 #include <asm/global_data.h> /* global data used for startup functions */ 77 78 /* 79 * enable common handling for all TQM8xxL/M boards: 80 * - CONFIG_TQM8xxM will be defined for all TQM8xxM boards 81 * - CONFIG_TQM8xxL will be defined for all TQM8xxL _and_ TQM8xxM boards 82 */ 83 #if defined(CONFIG_TQM823M) || defined(CONFIG_TQM850M) || \ 84 defined(CONFIG_TQM855M) || defined(CONFIG_TQM860M) || \ 85 defined(CONFIG_TQM862M) 86 # ifndef CONFIG_TQM8xxM 87 # define CONFIG_TQM8xxM 88 # endif 89 #endif 90 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 91 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) || \ 92 defined(CONFIG_TQM862L) || defined(CONFIG_TQM8xxM) 93 # ifndef CONFIG_TQM8xxL 94 # define CONFIG_TQM8xxL 95 # endif 96 #endif 97 98 99 /* 100 * General Purpose Utilities 101 */ 102 #define min(X, Y) \ 103 ({ typeof (X) __x = (X), __y = (Y); \ 104 (__x < __y) ? __x : __y; }) 105 106 #define max(X, Y) \ 107 ({ typeof (X) __x = (X), __y = (Y); \ 108 (__x > __y) ? __x : __y; }) 109 110 111 /* 112 * Function Prototypes 113 */ 114 115 #if CONFIG_SERIAL_SOFTWARE_FIFO 116 void serial_buffered_init (void); 117 void serial_buffered_putc (const char); 118 void serial_buffered_puts (const char *); 119 int serial_buffered_getc (void); 120 int serial_buffered_tstc (void); 121 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 122 123 void hang (void) __attribute__ ((noreturn)); 124 125 /* */ 126 long int initdram (int); 127 int display_options (void); 128 void print_size (ulong, const char *); 129 130 /* common/main.c */ 131 void main_loop (void); 132 int run_command (const char *cmd, int flag); 133 int readline (const char *const prompt); 134 void init_cmd_timeout(void); 135 void reset_cmd_timeout(void); 136 137 /* common/board.c */ 138 void board_init_f (ulong); 139 void board_init_r (gd_t *, ulong); 140 int checkboard (void); 141 int checkflash (void); 142 int checkdram (void); 143 char * strmhz(char *buf, long hz); 144 int last_stage_init(void); 145 extern ulong monitor_flash_len; 146 147 /* common/flash.c */ 148 void flash_perror (int); 149 150 /* common/cmd_autoscript.c */ 151 int autoscript (ulong addr); 152 153 /* common/cmd_bootm.c */ 154 void print_image_hdr (image_header_t *hdr); 155 156 extern ulong load_addr; /* Default Load Address */ 157 158 /* common/cmd_nvedit.c */ 159 int env_init (void); 160 void env_relocate (void); 161 char *getenv (uchar *); 162 int getenv_r (uchar *name, uchar *buf, unsigned len); 163 int saveenv (void); 164 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 165 void inline setenv (char *, char *); 166 #else 167 void setenv (char *, char *); 168 #endif /* CONFIG_PPC */ 169 #ifdef CONFIG_ARM 170 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 171 #endif /* CONFIG_ARM */ 172 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 173 # include <asm/u-boot-i386.h> 174 #endif /* CONFIG_I386 */ 175 176 void pci_init (void); 177 void pci_init_board(void); 178 void pciinfo (int, int); 179 180 #if defined(CONFIG_PCI) && defined(CONFIG_440) 181 # if defined(CFG_PCI_PRE_INIT) 182 int pci_pre_init (struct pci_controller * ); 183 # endif 184 # if defined(CFG_PCI_TARGET_INIT) 185 void pci_target_init (struct pci_controller *); 186 # endif 187 # if defined(CFG_PCI_MASTER_INIT) 188 void pci_master_init (struct pci_controller *); 189 # endif 190 int is_pci_host (struct pci_controller *); 191 #endif 192 193 int misc_init_f (void); 194 int misc_init_r (void); 195 196 /* $(BOARD)/$(BOARD).c */ 197 void reset_phy (void); 198 void fdc_hw_init (void); 199 200 /* $(BOARD)/eeprom.c */ 201 void eeprom_init (void); 202 #ifndef CONFIG_SPI 203 int eeprom_probe (unsigned dev_addr, unsigned offset); 204 #endif 205 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 206 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 207 #ifdef CONFIG_LWMON 208 extern uchar pic_read (uchar reg); 209 extern void pic_write (uchar reg, uchar val); 210 #endif 211 212 /* 213 * Set this up regardless of board 214 * type, to prevent errors. 215 */ 216 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 217 # define CFG_DEF_EEPROM_ADDR 0 218 #else 219 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 220 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 221 222 #if defined(CONFIG_PCU_E) || defined(CONFIG_CCM) || defined(CONFIG_ATC) 223 extern void spi_init_f (void); 224 extern void spi_init_r (void); 225 extern ssize_t spi_read (uchar *, int, uchar *, int); 226 extern ssize_t spi_write (uchar *, int, uchar *, int); 227 #endif 228 229 #ifdef CONFIG_RPXCLASSIC 230 void rpxclassic_init (void); 231 #endif 232 233 #ifdef CONFIG_MBX 234 /* $(BOARD)/mbx8xx.c */ 235 void mbx_init (void); 236 void board_serial_init (void); 237 void board_ether_init (void); 238 #endif 239 240 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210) 241 void board_get_enetaddr (uchar *addr); 242 #endif 243 244 #ifdef CONFIG_HERMES 245 /* $(BOARD)/hermes.c */ 246 void hermes_start_lxt980 (int speed); 247 #endif 248 249 #ifdef CONFIG_EVB64260 250 void evb64260_init(void); 251 void debug_led(int, int); 252 void display_mem_map(void); 253 void perform_soft_reset(void); 254 #endif 255 256 void load_sernum_ethaddr (void); 257 258 /* $(BOARD)/$(BOARD).c */ 259 int board_pre_init (void); 260 int board_post_init (void); 261 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 262 void board_poweroff (void); 263 264 #if defined(CFG_DRAM_TEST) 265 int testdram(void); 266 #endif /* CFG_DRAM_TEST */ 267 268 /* $(CPU)/start.S */ 269 #if defined(CONFIG_5xx) || \ 270 defined(CONFIG_8xx) 271 uint get_immr (uint); 272 #endif 273 uint get_pvr (void); 274 uint rd_ic_cst (void); 275 void wr_ic_cst (uint); 276 void wr_ic_adr (uint); 277 uint rd_dc_cst (void); 278 void wr_dc_cst (uint); 279 void wr_dc_adr (uint); 280 int icache_status (void); 281 void icache_enable (void); 282 void icache_disable(void); 283 int dcache_status (void); 284 void dcache_enable (void); 285 void dcache_disable(void); 286 void relocate_code (ulong, gd_t *, ulong); 287 ulong get_endaddr (void); 288 void trap_init (ulong); 289 #if defined (CONFIG_4xx) || \ 290 defined (CONFIG_74xx_7xx) || \ 291 defined (CONFIG_74x) || \ 292 defined (CONFIG_75x) || \ 293 defined (CONFIG_74xx) 294 unsigned char in8(unsigned int); 295 void out8(unsigned int, unsigned char); 296 unsigned short in16(unsigned int); 297 unsigned short in16r(unsigned int); 298 void out16(unsigned int, unsigned short value); 299 void out16r(unsigned int, unsigned short value); 300 unsigned long in32(unsigned int); 301 unsigned long in32r(unsigned int); 302 void out32(unsigned int, unsigned long value); 303 void out32r(unsigned int, unsigned long value); 304 void ppcDcbf(unsigned long value); 305 void ppcDcbi(unsigned long value); 306 void ppcSync(void); 307 #endif 308 309 /* $(CPU)/cpu.c */ 310 int checkcpu (void); 311 int checkicache (void); 312 int checkdcache (void); 313 void upmconfig (unsigned int, unsigned int *, unsigned int); 314 ulong get_tbclk (void); 315 316 /* $(CPU)/serial.c */ 317 int serial_init (void); 318 void serial_setbrg (void); 319 void serial_putc (const char); 320 void serial_puts (const char *); 321 void serial_addr (unsigned int); 322 int serial_getc (void); 323 int serial_tstc (void); 324 325 /* $(CPU)/speed.c */ 326 int get_clocks (void); 327 #if defined(CONFIG_8260) 328 int prt_8260_clks (void); 329 #endif 330 #ifdef CONFIG_4xx 331 ulong get_OPB_freq (void); 332 ulong get_PCI_freq (void); 333 #endif 334 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 335 ulong get_FCLK (void); 336 ulong get_HCLK (void); 337 ulong get_PCLK (void); 338 ulong get_UCLK (void); 339 #endif 340 ulong get_bus_freq (ulong); 341 342 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 343 # if defined(CONFIG_440) 344 typedef PPC440_SYS_INFO sys_info_t; 345 # else 346 typedef PPC405_SYS_INFO sys_info_t; 347 # endif 348 void get_sys_info ( sys_info_t * ); 349 #endif 350 351 /* $(CPU)/cpu_init.c */ 352 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 353 void cpu_init_f (volatile immap_t *immr); 354 #endif 355 #ifdef CONFIG_4xx 356 void cpu_init_f (void); 357 #endif 358 int cpu_init_r (void); 359 #if defined(CONFIG_8260) 360 int prt_8260_rsr (void); 361 #endif 362 363 /* $(CPU)/interrupts.c */ 364 int interrupt_init (void); 365 void timer_interrupt (struct pt_regs *); 366 void external_interrupt (struct pt_regs *); 367 void irq_install_handler(int, interrupt_handler_t *, void *); 368 void irq_free_handler (int); 369 void reset_timer (void); 370 ulong get_timer (ulong base); 371 void set_timer (ulong t); 372 void enable_interrupts (void); 373 int disable_interrupts (void); 374 375 /* $(CPU)/.../commproc.c */ 376 int dpram_init (void); 377 uint dpram_base(void); 378 uint dpram_base_align(uint align); 379 uint dpram_alloc(uint size); 380 uint dpram_alloc_align(uint size,uint align); 381 void post_word_store (ulong); 382 ulong post_word_load (void); 383 384 /* $(CPU)/.../<eth> */ 385 void mii_init (void); 386 387 /* $(CPU)/.../lcd.c */ 388 ulong lcd_setmem (ulong); 389 390 /* $(CPU)/.../vfd.c */ 391 ulong vfd_setmem (ulong); 392 393 /* $(CPU)/.../video.c */ 394 ulong video_setmem (ulong); 395 396 /* ppc/cache.c */ 397 void flush_cache (unsigned long, unsigned long); 398 399 400 /* ppc/ticks.S */ 401 unsigned long long get_ticks(void); 402 void wait_ticks (unsigned long); 403 404 /* ppc/time.c */ 405 void udelay (unsigned long); 406 ulong usec2ticks (unsigned long usec); 407 ulong ticks2usec (unsigned long ticks); 408 int init_timebase (void); 409 410 /* ppc/vsprintf.c */ 411 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 412 long simple_strtol(const char *cp,char **endp,unsigned int base); 413 void panic(const char *fmt, ...); 414 int sprintf(char * buf, const char *fmt, ...); 415 int vsprintf(char *buf, const char *fmt, va_list args); 416 417 /* ppc/crc32.c */ 418 ulong crc32 (ulong, const unsigned char *, uint); 419 ulong crc32_no_comp (ulong, const unsigned char *, uint); 420 421 /* common/console.c */ 422 extern void **syscall_tbl; 423 424 int console_init_f(void); /* Before relocation; uses the serial stuff */ 425 int console_init_r(void); /* After relocation; uses the console stuff */ 426 int console_assign (int file, char *devname); /* Assign the console */ 427 int ctrlc (void); 428 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 429 void clear_ctrlc (void); /* clear the Control-C condition */ 430 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 431 432 /* 433 * STDIO based functions (can always be used) 434 */ 435 436 /* serial stuff */ 437 void serial_printf (const char *fmt, ...); 438 439 /* stdin */ 440 int getc(void); 441 int tstc(void); 442 443 /* stdout */ 444 void putc(const char c); 445 void puts(const char *s); 446 void printf(const char *fmt, ...); 447 void vprintf(const char *fmt, va_list args); 448 449 /* stderr */ 450 #define eputc(c) fputc(stderr, c) 451 #define eputs(s) fputs(stderr, s) 452 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 453 454 /* 455 * FILE based functions (can only be used AFTER relocation!) 456 */ 457 458 #define stdin 0 459 #define stdout 1 460 #define stderr 2 461 #define MAX_FILES 3 462 463 void fprintf(int file, const char *fmt, ...); 464 void fputs(int file, const char *s); 465 void fputc(int file, const char c); 466 int ftstc(int file); 467 int fgetc(int file); 468 469 int pcmcia_init (void); 470 471 #ifdef CONFIG_SHOW_BOOT_PROGRESS 472 void show_boot_progress (int status); 473 #endif 474 475 #endif /* __COMMON_H_ */ 476