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