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