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