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 <asm/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 reset_cmd_timeout(void); 135 136 /* common/board.c */ 137 void board_init_f (ulong); 138 void board_init_r (gd_t *, ulong); 139 int checkboard (void); 140 int checkflash (void); 141 int checkdram (void); 142 char * strmhz(char *buf, long hz); 143 int last_stage_init(void); 144 extern ulong monitor_flash_len; 145 146 /* common/flash.c */ 147 void flash_perror (int); 148 149 /* common/cmd_bootm.c */ 150 void print_image_hdr (image_header_t *hdr); 151 152 extern ulong load_addr; /* Default Load Address */ 153 154 /* common/cmd_nvedit.c */ 155 int env_init (void); 156 void env_relocate (void); 157 char *getenv (uchar *); 158 int getenv_r (uchar *name, uchar *buf, unsigned len); 159 int saveenv (void); 160 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 161 void inline setenv (char *, char *); 162 #else 163 void setenv (char *, char *); 164 #endif /* CONFIG_PPC */ 165 #ifdef CONFIG_ARM 166 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 167 #endif /* CONFIG_ARM */ 168 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 169 # include <asm/u-boot-i386.h> 170 #endif /* CONFIG_I386 */ 171 172 void pci_init (void); 173 void pci_init_board(void); 174 void pciinfo (int, int); 175 176 #if defined(CONFIG_PCI) && defined(CONFIG_440) 177 # if defined(CFG_PCI_PRE_INIT) 178 int pci_pre_init (struct pci_controller * ); 179 # endif 180 # if defined(CFG_PCI_TARGET_INIT) 181 void pci_target_init (struct pci_controller *); 182 # endif 183 # if defined(CFG_PCI_MASTER_INIT) 184 void pci_master_init (struct pci_controller *); 185 # endif 186 int is_pci_host (struct pci_controller *); 187 #endif 188 189 int misc_init_f (void); 190 int misc_init_r (void); 191 192 /* $(BOARD)/$(BOARD).c */ 193 void reset_phy (void); 194 void fdc_hw_init (void); 195 196 /* $(BOARD)/eeprom.c */ 197 void eeprom_init (void); 198 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 199 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 200 #ifdef CONFIG_LWMON 201 extern uchar pic_read (uchar reg); 202 extern void pic_write (uchar reg, uchar val); 203 #endif 204 205 /* 206 * Set this up regardless of board 207 * type, to prevent errors. 208 */ 209 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 210 # define CFG_DEF_EEPROM_ADDR 0 211 #else 212 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 213 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 214 215 #if defined(CONFIG_PCU_E) || defined(CONFIG_CCM) || defined(CONFIG_ATC) 216 extern void spi_init_f (void); 217 extern void spi_init_r (void); 218 extern ssize_t spi_read (uchar *, int, uchar *, int); 219 extern ssize_t spi_write (uchar *, int, uchar *, int); 220 #endif 221 222 #ifdef CONFIG_RPXCLASSIC 223 void rpxclassic_init (void); 224 #endif 225 226 #ifdef CONFIG_MBX 227 /* $(BOARD)/mbx8xx.c */ 228 void mbx_init (void); 229 void board_serial_init (void); 230 void board_ether_init (void); 231 #endif 232 233 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210) 234 void board_get_enetaddr (uchar *addr); 235 #endif 236 237 #ifdef CONFIG_HERMES 238 /* $(BOARD)/hermes.c */ 239 void hermes_start_lxt980 (int speed); 240 #endif 241 242 #ifdef CONFIG_EVB64260 243 void evb64260_init(void); 244 void debug_led(int, int); 245 void display_mem_map(void); 246 void perform_soft_reset(void); 247 #endif 248 249 void load_sernum_ethaddr (void); 250 251 /* $(BOARD)/$(BOARD).c */ 252 int board_pre_init (void); 253 int board_post_init (void); 254 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 255 void board_poweroff (void); 256 257 #if defined(CFG_DRAM_TEST) 258 int testdram(void); 259 #endif /* CFG_DRAM_TEST */ 260 261 /* $(CPU)/start.S */ 262 #if defined(CONFIG_5xx) || \ 263 defined(CONFIG_8xx) 264 uint get_immr (uint); 265 #endif 266 uint get_pvr (void); 267 uint rd_ic_cst (void); 268 void wr_ic_cst (uint); 269 void wr_ic_adr (uint); 270 uint rd_dc_cst (void); 271 void wr_dc_cst (uint); 272 void wr_dc_adr (uint); 273 int icache_status (void); 274 void icache_enable (void); 275 void icache_disable(void); 276 int dcache_status (void); 277 void dcache_enable (void); 278 void dcache_disable(void); 279 void relocate_code (ulong, gd_t *, ulong); 280 ulong get_endaddr (void); 281 void trap_init (ulong); 282 #if defined (CONFIG_4xx) || \ 283 defined (CONFIG_74xx_7xx) || \ 284 defined (CONFIG_74x) || \ 285 defined (CONFIG_75x) || \ 286 defined (CONFIG_74xx) 287 unsigned char in8(unsigned int); 288 void out8(unsigned int, unsigned char); 289 unsigned short in16(unsigned int); 290 unsigned short in16r(unsigned int); 291 void out16(unsigned int, unsigned short value); 292 void out16r(unsigned int, unsigned short value); 293 unsigned long in32(unsigned int); 294 unsigned long in32r(unsigned int); 295 void out32(unsigned int, unsigned long value); 296 void out32r(unsigned int, unsigned long value); 297 void ppcDcbf(unsigned long value); 298 void ppcDcbi(unsigned long value); 299 void ppcSync(void); 300 #endif 301 302 /* $(CPU)/cpu.c */ 303 int checkcpu (void); 304 int checkicache (void); 305 int checkdcache (void); 306 void upmconfig (unsigned int, unsigned int *, unsigned int); 307 ulong get_tbclk (void); 308 309 /* $(CPU)/serial.c */ 310 int serial_init (void); 311 void serial_setbrg (void); 312 void serial_putc (const char); 313 void serial_puts (const char *); 314 void serial_addr (unsigned int); 315 int serial_getc (void); 316 int serial_tstc (void); 317 318 /* $(CPU)/speed.c */ 319 int get_clocks (void); 320 #if defined(CONFIG_8260) 321 int prt_8260_clks (void); 322 #endif 323 #ifdef CONFIG_4xx 324 ulong get_OPB_freq (void); 325 ulong get_PCI_freq (void); 326 #endif 327 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 328 ulong get_FCLK (void); 329 ulong get_HCLK (void); 330 ulong get_PCLK (void); 331 ulong get_UCLK (void); 332 #endif 333 ulong get_bus_freq (ulong); 334 335 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 336 # if defined(CONFIG_440) 337 typedef PPC440_SYS_INFO sys_info_t; 338 # else 339 typedef PPC405_SYS_INFO sys_info_t; 340 # endif 341 void get_sys_info ( sys_info_t * ); 342 #endif 343 344 /* $(CPU)/cpu_init.c */ 345 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 346 void cpu_init_f (volatile immap_t *immr); 347 #endif 348 #ifdef CONFIG_4xx 349 void cpu_init_f (void); 350 #endif 351 int cpu_init_r (void); 352 #if defined(CONFIG_8260) 353 int prt_8260_rsr (void); 354 #endif 355 356 /* $(CPU)/interrupts.c */ 357 int interrupt_init (void); 358 void timer_interrupt (struct pt_regs *); 359 void external_interrupt (struct pt_regs *); 360 void irq_install_handler(int, interrupt_handler_t *, void *); 361 void irq_free_handler (int); 362 void reset_timer (void); 363 ulong get_timer (ulong base); 364 void set_timer (ulong t); 365 void enable_interrupts (void); 366 int disable_interrupts (void); 367 368 /* $(CPU)/.../commproc.c */ 369 int dpram_init (void); 370 uint dpram_base(void); 371 uint dpram_base_align(uint align); 372 uint dpram_alloc(uint size); 373 uint dpram_alloc_align(uint size,uint align); 374 void post_word_store (ulong); 375 ulong post_word_load (void); 376 377 /* $(CPU)/.../<eth> */ 378 void mii_init (void); 379 380 /* $(CPU)/.../lcd.c */ 381 ulong lcd_setmem (ulong); 382 383 /* $(CPU)/.../vfd.c */ 384 ulong vfd_setmem (ulong); 385 386 /* $(CPU)/.../video.c */ 387 ulong video_setmem (ulong); 388 389 /* ppc/cache.c */ 390 void flush_cache (unsigned long, unsigned long); 391 392 393 /* ppc/ticks.S */ 394 unsigned long long get_ticks(void); 395 void wait_ticks (unsigned long); 396 397 /* ppc/time.c */ 398 void udelay (unsigned long); 399 ulong usec2ticks (unsigned long usec); 400 ulong ticks2usec (unsigned long ticks); 401 int init_timebase (void); 402 403 /* ppc/vsprintf.c */ 404 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 405 long simple_strtol(const char *cp,char **endp,unsigned int base); 406 void panic(const char *fmt, ...); 407 int sprintf(char * buf, const char *fmt, ...); 408 int vsprintf(char *buf, const char *fmt, va_list args); 409 410 /* ppc/crc32.c */ 411 ulong crc32 (ulong, const unsigned char *, uint); 412 ulong crc32_no_comp (ulong, const unsigned char *, uint); 413 414 /* common/console.c */ 415 extern void **syscall_tbl; 416 417 int console_init_f(void); /* Before relocation; uses the serial stuff */ 418 int console_init_r(void); /* After relocation; uses the console stuff */ 419 int console_assign (int file, char *devname); /* Assign the console */ 420 int ctrlc (void); 421 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 422 void clear_ctrlc (void); /* clear the Control-C condition */ 423 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 424 425 /* 426 * STDIO based functions (can always be used) 427 */ 428 429 /* serial stuff */ 430 void serial_printf (const char *fmt, ...); 431 432 /* stdin */ 433 int getc(void); 434 int tstc(void); 435 436 /* stdout */ 437 void putc(const char c); 438 void puts(const char *s); 439 void printf(const char *fmt, ...); 440 441 /* stderr */ 442 #define eputc(c) fputc(stderr, c) 443 #define eputs(s) fputs(stderr, s) 444 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 445 446 /* 447 * FILE based functions (can only be used AFTER relocation!) 448 */ 449 450 #define stdin 0 451 #define stdout 1 452 #define stderr 2 453 #define MAX_FILES 3 454 455 void fprintf(int file, const char *fmt, ...); 456 void fputs(int file, const char *s); 457 void fputc(int file, const char c); 458 int ftstc(int file); 459 int fgetc(int file); 460 461 int pcmcia_init (void); 462 463 #ifdef CONFIG_SHOW_BOOT_PROGRESS 464 void show_boot_progress (int status); 465 #endif 466 467 #endif /* __COMMON_H_ */ 468