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