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WD
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
30typedef unsigned char uchar;
31typedef volatile unsigned long vu_long;
32typedef volatile unsigned short vu_short;
33typedef 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
69typedef 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
88void serial_buffered_init (void);
89void serial_buffered_putc (const char);
90void serial_buffered_puts (const char *);
91int serial_buffered_getc (void);
92int serial_buffered_tstc (void);
93#endif /* CONFIG_SERIAL_SOFTWARE_FIFO */
94
95void hang (void) __attribute__ ((noreturn));
96
97/* */
98long int initdram (int);
99int display_options (void);
100void print_size (ulong, const char *);
101
102/* common/main.c */
103void main_loop (void);
104int run_command (const char *cmd, int flag);
105int readline (const char *const prompt);
106void reset_cmd_timeout(void);
107
108/* common/board.c */
109void board_init_f (ulong);
110void board_init_r (gd_t *, ulong);
111int checkboard (void);
112int checkflash (void);
113int checkdram (void);
114char * strmhz(char *buf, long hz);
115int last_stage_init(void);
116
117/* common/flash.c */
118void flash_perror (int);
119
120/* common/cmd_bootm.c */
121void print_image_hdr (image_header_t *hdr);
122
123extern ulong load_addr; /* Default Load Address */
124
125/* common/cmd_nvedit.c */
126int env_init (void);
127void env_relocate (void);
128char *getenv (uchar *);
129int getenv_r (uchar *name, uchar *buf, unsigned len);
130int saveenv (void);
131#ifdef CONFIG_PPC /* ARM version to be fixed! */
132void 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
138void pci_init (void);
139void 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
154int misc_init_f (void);
155int misc_init_r (void);
156
157/* $(BOARD)/$(BOARD).c */
158void reset_phy (void);
159
160/* $(BOARD)/eeprom.c */
161void eeprom_init (void);
162int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
163int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
164#ifdef CONFIG_LWMON
165extern uchar pic_read (uchar reg);
166extern 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)
180extern void spi_init_f (void);
181extern void spi_init_r (void);
182extern ssize_t spi_read (uchar *, int, uchar *, int);
183extern ssize_t spi_write (uchar *, int, uchar *, int);
184#endif
185
186#ifdef CONFIG_RPXCLASSIC
187void rpxclassic_init (void);
188#endif
189
190#ifdef CONFIG_MBX
191/* $(BOARD)/mbx8xx.c */
192void mbx_init (void);
193void board_serial_init (void);
194void board_ether_init (void);
195#endif
196
197#if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_MBX) || defined(CONFIG_IAD210)
198void board_get_enetaddr (uchar *addr);
199#endif
200
201#ifdef CONFIG_HERMES
202/* $(BOARD)/hermes.c */
203void hermes_start_lxt980 (int speed);
204#endif
205
206#ifdef CONFIG_EVB64260
207void evb64260_init(void);
208void debug_led(int, int);
209void display_mem_map(void);
210void perform_soft_reset(void);
211#endif
212
213void load_sernum_ethaddr (void);
214
215/* $(BOARD)/$(BOARD).c */
216int board_pre_init (void);
217int board_postclk_init (void); /* after clocks/timebase, before env/serial */
218void board_poweroff (void);
219
220#if defined(CFG_DRAM_TEST)
221int testdram(void);
222#endif /* CFG_DRAM_TEST */
223
224/* $(CPU)/start.S */
225#ifdef CONFIG_8xx
226uint get_immr (uint);
227#endif
228uint get_pvr (void);
229uint rd_ic_cst (void);
230void wr_ic_cst (uint);
231void wr_ic_adr (uint);
232uint rd_dc_cst (void);
233void wr_dc_cst (uint);
234void wr_dc_adr (uint);
235int icache_status (void);
236void icache_enable (void);
237void icache_disable(void);
238int dcache_status (void);
239void dcache_enable (void);
240void dcache_disable(void);
241void relocate_code (ulong, gd_t *, ulong);
242ulong get_endaddr (void);
243void 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)
249unsigned char in8(unsigned int);
250void out8(unsigned int, unsigned char);
251unsigned short in16(unsigned int);
252unsigned short in16r(unsigned int);
253void out16(unsigned int, unsigned short value);
254void out16r(unsigned int, unsigned short value);
255unsigned long in32(unsigned int);
256unsigned long in32r(unsigned int);
257void out32(unsigned int, unsigned long value);
258void out32r(unsigned int, unsigned long value);
259void ppcDcbf(unsigned long value);
260void ppcDcbi(unsigned long value);
261void ppcSync(void);
262#endif
263
264/* $(CPU)/cpu.c */
265int checkcpu (void);
266int checkicache (void);
267int checkdcache (void);
268void upmconfig (unsigned int, unsigned int *, unsigned int);
269ulong get_tbclk (void);
270
271/* $(CPU)/serial.c */
272int serial_init (void);
273void serial_setbrg (void);
274void serial_putc (const char);
275void serial_puts (const char *);
276void serial_addr (unsigned int);
277int serial_getc (void);
278int serial_tstc (void);
279
280/* $(CPU)/speed.c */
281int get_clocks (void);
282#if defined(CONFIG_8260)
283int prt_8260_clks (void);
284#endif
285#ifdef CONFIG_4xx
286ulong get_OPB_freq (void);
287ulong get_PCI_freq (void);
288#endif
289#if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
290ulong get_FCLK (void);
291ulong get_HCLK (void);
292ulong get_PCLK (void);
293ulong get_UCLK (void);
294#endif
295ulong 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
303void get_sys_info ( sys_info_t * );
304#endif
305
306/* $(CPU)/cpu_init.c */
307#if defined(CONFIG_8xx) || defined(CONFIG_8260)
308void cpu_init_f (volatile immap_t *immr);
309#endif
310#ifdef CONFIG_4xx
311void cpu_init_f (void);
312#endif
313int cpu_init_r (void);
314#if defined(CONFIG_8260)
315int prt_8260_rsr (void);
316#endif
317
318/* $(CPU)/interrupts.c */
319int interrupt_init (void);
320void timer_interrupt (struct pt_regs *);
321void external_interrupt (struct pt_regs *);
322void irq_install_handler(int, interrupt_handler_t *, void *);
323void irq_free_handler (int);
324void reset_timer (void);
325ulong get_timer (ulong base);
326void set_timer (ulong t);
327void enable_interrupts (void);
328int disable_interrupts (void);
329
330/* $(CPU)/.../commproc.c */
331int dpram_init (void);
332uint dpram_base(void);
333uint dpram_base_align(uint align);
334uint dpram_alloc(uint size);
335uint dpram_alloc_align(uint size,uint align);
336void post_word_store (ulong);
337ulong post_word_load (void);
338
339/* $(CPU)/.../<eth> */
340void mii_init (void);
341
342/* $(CPU)/.../lcd.c */
343ulong lcd_setmem (ulong);
344
345/* $(CPU)/.../vfd.c */
346ulong vfd_setmem (ulong);
347
348/* $(CPU)/.../video.c */
349ulong video_setmem (ulong);
350
351/* ppc/cache.c */
352void flush_cache (unsigned long, unsigned long);
353
354/* ppc/ticks.S */
355unsigned long long get_ticks(void);
356void wait_ticks (unsigned long);
357
358/* ppc/time.c */
359void udelay (unsigned long);
360ulong usec2ticks (unsigned long usec);
361ulong ticks2usec (unsigned long ticks);
362int init_timebase (void);
363
364/* ppc/vsprintf.c */
365ulong simple_strtoul(const char *cp,char **endp,unsigned int base);
366long simple_strtol(const char *cp,char **endp,unsigned int base);
367void panic(const char *fmt, ...);
368int sprintf(char * buf, const char *fmt, ...);
369int vsprintf(char *buf, const char *fmt, va_list args);
370
371/* ppc/crc32.c */
372ulong crc32 (ulong, const unsigned char *, uint);
373ulong crc32_no_comp (ulong, const unsigned char *, uint);
374
375/* common/console.c */
376extern void **syscall_tbl;
377
378int console_init_f(void); /* Before relocation; uses the serial stuff */
379int console_init_r(void); /* After relocation; uses the console stuff */
380int console_assign (int file, char *devname); /* Assign the console */
381int ctrlc (void);
382int had_ctrlc (void); /* have we had a Control-C since last clear? */
383void clear_ctrlc (void); /* clear the Control-C condition */
384int 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 */
391void serial_printf (const char *fmt, ...);
392
393/* stdin */
394int getc(void);
395int tstc(void);
396
397/* stdout */
398void putc(const char c);
399void puts(const char *s);
400void 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
416void fprintf(int file, const char *fmt, ...);
417void fputs(int file, const char *s);
418void fputc(int file, const char c);
419int ftstc(int file);
420int fgetc(int file);
421
422int pcmcia_init (void);
423
424#ifdef CONFIG_SHOW_BOOT_PROGRESS
425void show_boot_progress (int status);
426#endif
427
428#endif /* __COMMON_H_ */