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