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_8260) 47 #include <asm/immap_8260.h> 48 #endif 49 #ifdef CONFIG_4xx 50 #include <ppc4xx.h> 51 #endif 52 #ifdef CONFIG_HYMOD 53 #include <asm/hymod.h> 54 #endif 55 #ifdef CONFIG_ARM 56 #define asmlinkage /* nothing */ 57 #endif 58 59 #include <part.h> 60 #include <flash.h> 61 #include <image.h> 62 63 #ifdef DEBUG 64 #define debug(fmt,args...) printf (fmt ,##args) 65 #else 66 #define debug(fmt,args...) 67 #endif /* DEBUG */ 68 69 typedef void (interrupt_handler_t)(void *); 70 71 #include <asm/u-boot.h> /* boot information for Linux kernel */ 72 #include <asm/global_data.h> /* global data used for startup functions */ 73 74 /* enable common handling for all TQM8xxL boards */ 75 #if defined(CONFIG_TQM823L) || defined(CONFIG_TQM850L) || \ 76 defined(CONFIG_TQM855L) || defined(CONFIG_TQM860L) 77 # ifndef CONFIG_TQM8xxL 78 # define CONFIG_TQM8xxL 79 # endif 80 #endif 81 82 83 /* 84 * General Purpose Utilities 85 */ 86 #define min(X, Y) \ 87 ({ typeof (X) __x = (X), __y = (Y); \ 88 (__x < __y) ? __x : __y; }) 89 90 #define max(X, Y) \ 91 ({ typeof (X) __x = (X), __y = (Y); \ 92 (__x > __y) ? __x : __y; }) 93 94 95 /* 96 * Function Prototypes 97 */ 98 99 #if CONFIG_SERIAL_SOFTWARE_FIFO 100 void serial_buffered_init (void); 101 void serial_buffered_putc (const char); 102 void serial_buffered_puts (const char *); 103 int serial_buffered_getc (void); 104 int serial_buffered_tstc (void); 105 #endif /* CONFIG_SERIAL_SOFTWARE_FIFO */ 106 107 void hang (void) __attribute__ ((noreturn)); 108 109 /* */ 110 long int initdram (int); 111 int display_options (void); 112 void print_size (ulong, const char *); 113 114 /* common/main.c */ 115 void main_loop (void); 116 int run_command (const char *cmd, int flag); 117 int readline (const char *const prompt); 118 void reset_cmd_timeout(void); 119 120 /* common/board.c */ 121 void board_init_f (ulong); 122 void board_init_r (gd_t *, ulong); 123 int checkboard (void); 124 int checkflash (void); 125 int checkdram (void); 126 char * strmhz(char *buf, long hz); 127 int last_stage_init(void); 128 129 /* common/flash.c */ 130 void flash_perror (int); 131 132 /* common/cmd_bootm.c */ 133 void print_image_hdr (image_header_t *hdr); 134 135 extern ulong load_addr; /* Default Load Address */ 136 137 /* common/cmd_nvedit.c */ 138 int env_init (void); 139 void env_relocate (void); 140 char *getenv (uchar *); 141 int getenv_r (uchar *name, uchar *buf, unsigned len); 142 int saveenv (void); 143 #ifdef CONFIG_PPC /* ARM version to be fixed! */ 144 void inline setenv (char *, char *); 145 #else 146 void setenv (char *, char *); 147 #endif /* CONFIG_PPC */ 148 #ifdef CONFIG_ARM 149 # include <asm/u-boot-arm.h> /* ARM version to be fixed! */ 150 #endif /* CONFIG_ARM */ 151 #ifdef CONFIG_I386 /* x86 version to be fixed! */ 152 # include <asm/ppcboot-i386.h> 153 #endif /* CONFIG_I386 */ 154 155 void pci_init (void); 156 void pciinfo (int, int); 157 158 #if defined(CONFIG_PCI) && defined(CONFIG_440) 159 # if defined(CFG_PCI_PRE_INIT) 160 int pci_pre_init (struct pci_controller * ); 161 # endif 162 # if defined(CFG_PCI_TARGET_INIT) 163 void pci_target_init (struct pci_controller *); 164 # endif 165 # if defined(CFG_PCI_MASTER_INIT) 166 void pci_master_init (struct pci_controller *); 167 # endif 168 int is_pci_host (struct pci_controller *); 169 #endif 170 171 int misc_init_f (void); 172 int misc_init_r (void); 173 174 /* $(BOARD)/$(BOARD).c */ 175 void reset_phy (void); 176 void fdc_hw_init (void); 177 178 /* $(BOARD)/eeprom.c */ 179 void eeprom_init (void); 180 int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 181 int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt); 182 #ifdef CONFIG_LWMON 183 extern uchar pic_read (uchar reg); 184 extern void pic_write (uchar reg, uchar val); 185 #endif 186 187 /* 188 * Set this up regardless of board 189 * type, to prevent errors. 190 */ 191 #if defined(CONFIG_SPI) || !defined(CFG_I2C_EEPROM_ADDR) 192 # define CFG_DEF_EEPROM_ADDR 0 193 #else 194 # define CFG_DEF_EEPROM_ADDR CFG_I2C_EEPROM_ADDR 195 #endif /* CONFIG_SPI || !defined(CFG_I2C_EEPROM_ADDR) */ 196 197 #if defined(CONFIG_PCU_E) || defined(CONFIG_CCM) 198 extern void spi_init_f (void); 199 extern void spi_init_r (void); 200 extern ssize_t spi_read (uchar *, int, uchar *, int); 201 extern ssize_t spi_write (uchar *, int, uchar *, int); 202 #endif 203 204 #ifdef CONFIG_RPXCLASSIC 205 void rpxclassic_init (void); 206 #endif 207 208 #ifdef CONFIG_MBX 209 /* $(BOARD)/mbx8xx.c */ 210 void mbx_init (void); 211 void board_serial_init (void); 212 void board_ether_init (void); 213 #endif 214 215 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210) 216 void board_get_enetaddr (uchar *addr); 217 #endif 218 219 #ifdef CONFIG_HERMES 220 /* $(BOARD)/hermes.c */ 221 void hermes_start_lxt980 (int speed); 222 #endif 223 224 #ifdef CONFIG_EVB64260 225 void evb64260_init(void); 226 void debug_led(int, int); 227 void display_mem_map(void); 228 void perform_soft_reset(void); 229 #endif 230 231 void load_sernum_ethaddr (void); 232 233 /* $(BOARD)/$(BOARD).c */ 234 int board_pre_init (void); 235 int board_postclk_init (void); /* after clocks/timebase, before env/serial */ 236 void board_poweroff (void); 237 238 #if defined(CFG_DRAM_TEST) 239 int testdram(void); 240 #endif /* CFG_DRAM_TEST */ 241 242 /* $(CPU)/start.S */ 243 #ifdef CONFIG_8xx 244 uint get_immr (uint); 245 #endif 246 uint get_pvr (void); 247 uint rd_ic_cst (void); 248 void wr_ic_cst (uint); 249 void wr_ic_adr (uint); 250 uint rd_dc_cst (void); 251 void wr_dc_cst (uint); 252 void wr_dc_adr (uint); 253 int icache_status (void); 254 void icache_enable (void); 255 void icache_disable(void); 256 int dcache_status (void); 257 void dcache_enable (void); 258 void dcache_disable(void); 259 void relocate_code (ulong, gd_t *, ulong); 260 ulong get_endaddr (void); 261 void trap_init (ulong); 262 #if defined (CONFIG_4xx) || \ 263 defined (CONFIG_74xx_7xx) || \ 264 defined (CONFIG_74x) || \ 265 defined (CONFIG_75x) || \ 266 defined (CONFIG_74xx) 267 unsigned char in8(unsigned int); 268 void out8(unsigned int, unsigned char); 269 unsigned short in16(unsigned int); 270 unsigned short in16r(unsigned int); 271 void out16(unsigned int, unsigned short value); 272 void out16r(unsigned int, unsigned short value); 273 unsigned long in32(unsigned int); 274 unsigned long in32r(unsigned int); 275 void out32(unsigned int, unsigned long value); 276 void out32r(unsigned int, unsigned long value); 277 void ppcDcbf(unsigned long value); 278 void ppcDcbi(unsigned long value); 279 void ppcSync(void); 280 #endif 281 282 /* $(CPU)/cpu.c */ 283 int checkcpu (void); 284 int checkicache (void); 285 int checkdcache (void); 286 void upmconfig (unsigned int, unsigned int *, unsigned int); 287 ulong get_tbclk (void); 288 289 /* $(CPU)/serial.c */ 290 int serial_init (void); 291 void serial_setbrg (void); 292 void serial_putc (const char); 293 void serial_puts (const char *); 294 void serial_addr (unsigned int); 295 int serial_getc (void); 296 int serial_tstc (void); 297 298 /* $(CPU)/speed.c */ 299 int get_clocks (void); 300 #if defined(CONFIG_8260) 301 int prt_8260_clks (void); 302 #endif 303 #ifdef CONFIG_4xx 304 ulong get_OPB_freq (void); 305 ulong get_PCI_freq (void); 306 #endif 307 #if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) 308 ulong get_FCLK (void); 309 ulong get_HCLK (void); 310 ulong get_PCLK (void); 311 ulong get_UCLK (void); 312 #endif 313 ulong get_bus_freq (ulong); 314 315 #if defined(CONFIG_4xx) || defined(CONFIG_IOP480) 316 # if defined(CONFIG_440) 317 typedef PPC440_SYS_INFO sys_info_t; 318 # else 319 typedef PPC405_SYS_INFO sys_info_t; 320 # endif 321 void get_sys_info ( sys_info_t * ); 322 #endif 323 324 /* $(CPU)/cpu_init.c */ 325 #if defined(CONFIG_8xx) || defined(CONFIG_8260) 326 void cpu_init_f (volatile immap_t *immr); 327 #endif 328 #ifdef CONFIG_4xx 329 void cpu_init_f (void); 330 #endif 331 int cpu_init_r (void); 332 #if defined(CONFIG_8260) 333 int prt_8260_rsr (void); 334 #endif 335 336 /* $(CPU)/interrupts.c */ 337 int interrupt_init (void); 338 void timer_interrupt (struct pt_regs *); 339 void external_interrupt (struct pt_regs *); 340 void irq_install_handler(int, interrupt_handler_t *, void *); 341 void irq_free_handler (int); 342 void reset_timer (void); 343 ulong get_timer (ulong base); 344 void set_timer (ulong t); 345 void enable_interrupts (void); 346 int disable_interrupts (void); 347 348 /* $(CPU)/.../commproc.c */ 349 int dpram_init (void); 350 uint dpram_base(void); 351 uint dpram_base_align(uint align); 352 uint dpram_alloc(uint size); 353 uint dpram_alloc_align(uint size,uint align); 354 void post_word_store (ulong); 355 ulong post_word_load (void); 356 357 /* $(CPU)/.../<eth> */ 358 void mii_init (void); 359 360 /* $(CPU)/.../lcd.c */ 361 ulong lcd_setmem (ulong); 362 363 /* $(CPU)/.../vfd.c */ 364 ulong vfd_setmem (ulong); 365 366 /* $(CPU)/.../video.c */ 367 ulong video_setmem (ulong); 368 369 /* ppc/cache.c */ 370 void flush_cache (unsigned long, unsigned long); 371 372 /* ppc/ticks.S */ 373 unsigned long long get_ticks(void); 374 void wait_ticks (unsigned long); 375 376 /* ppc/time.c */ 377 void udelay (unsigned long); 378 ulong usec2ticks (unsigned long usec); 379 ulong ticks2usec (unsigned long ticks); 380 int init_timebase (void); 381 382 /* ppc/vsprintf.c */ 383 ulong simple_strtoul(const char *cp,char **endp,unsigned int base); 384 long simple_strtol(const char *cp,char **endp,unsigned int base); 385 void panic(const char *fmt, ...); 386 int sprintf(char * buf, const char *fmt, ...); 387 int vsprintf(char *buf, const char *fmt, va_list args); 388 389 /* ppc/crc32.c */ 390 ulong crc32 (ulong, const unsigned char *, uint); 391 ulong crc32_no_comp (ulong, const unsigned char *, uint); 392 393 /* common/console.c */ 394 extern void **syscall_tbl; 395 396 int console_init_f(void); /* Before relocation; uses the serial stuff */ 397 int console_init_r(void); /* After relocation; uses the console stuff */ 398 int console_assign (int file, char *devname); /* Assign the console */ 399 int ctrlc (void); 400 int had_ctrlc (void); /* have we had a Control-C since last clear? */ 401 void clear_ctrlc (void); /* clear the Control-C condition */ 402 int disable_ctrlc (int); /* 1 to disable, 0 to enable Control-C detect */ 403 404 /* 405 * STDIO based functions (can always be used) 406 */ 407 408 /* serial stuff */ 409 void serial_printf (const char *fmt, ...); 410 411 /* stdin */ 412 int getc(void); 413 int tstc(void); 414 415 /* stdout */ 416 void putc(const char c); 417 void puts(const char *s); 418 void printf(const char *fmt, ...); 419 420 /* stderr */ 421 #define eputc(c) fputc(stderr, c) 422 #define eputs(s) fputs(stderr, s) 423 #define eprintf(fmt,args...) fprintf(stderr,fmt ,##args) 424 425 /* 426 * FILE based functions (can only be used AFTER relocation!) 427 */ 428 429 #define stdin 0 430 #define stdout 1 431 #define stderr 2 432 #define MAX_FILES 3 433 434 void fprintf(int file, const char *fmt, ...); 435 void fputs(int file, const char *s); 436 void fputc(int file, const char c); 437 int ftstc(int file); 438 int fgetc(int file); 439 440 int pcmcia_init (void); 441 442 #ifdef CONFIG_SHOW_BOOT_PROGRESS 443 void show_boot_progress (int status); 444 #endif 445 446 #endif /* __COMMON_H_ */ 447