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