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Commit | Line | Data |
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4e5ca3eb | 1 | /* |
bf9e3b38 WD |
2 | * (C) Copyright 2003 |
3 | * Josef Baumgartner <josef.baumgartner@telex.de> | |
4 | * | |
5 | * (C) Copyright 2000-2002 | |
4e5ca3eb WD |
6 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
4e5ca3eb WD |
9 | */ |
10 | ||
11 | #include <common.h> | |
12 | #include <watchdog.h> | |
13 | #include <command.h> | |
14 | #include <malloc.h> | |
52cb4d4f | 15 | #include <stdio_dev.h> |
c59ac903 | 16 | #include <linux/compiler.h> |
bf9e3b38 | 17 | |
8ae158cd | 18 | #include <asm/immap.h> |
bf9e3b38 | 19 | |
7def6b34 | 20 | #if defined(CONFIG_CMD_IDE) |
4e5ca3eb WD |
21 | #include <ide.h> |
22 | #endif | |
7def6b34 | 23 | #if defined(CONFIG_CMD_SCSI) |
4e5ca3eb WD |
24 | #include <scsi.h> |
25 | #endif | |
7def6b34 | 26 | #if defined(CONFIG_CMD_KGDB) |
4e5ca3eb WD |
27 | #include <kgdb.h> |
28 | #endif | |
29 | #ifdef CONFIG_STATUS_LED | |
30 | #include <status_led.h> | |
31 | #endif | |
32 | #include <net.h> | |
b71190f3 | 33 | #include <serial.h> |
7def6b34 | 34 | #if defined(CONFIG_CMD_BEDBUG) |
4e5ca3eb WD |
35 | #include <cmd_bedbug.h> |
36 | #endif | |
6d0f6bcf | 37 | #ifdef CONFIG_SYS_ALLOC_DPRAM |
4e5ca3eb WD |
38 | #include <commproc.h> |
39 | #endif | |
40 | #include <version.h> | |
41 | ||
e2c22d78 SR |
42 | #if defined(CONFIG_HARD_I2C) || \ |
43 | defined(CONFIG_SOFT_I2C) | |
44 | #include <i2c.h> | |
45 | #endif | |
46 | ||
a7323bba TL |
47 | #ifdef CONFIG_CMD_SPI |
48 | #include <spi.h> | |
49 | #endif | |
50 | ||
310cecb8 LCM |
51 | #ifdef CONFIG_BITBANGMII |
52 | #include <miiphy.h> | |
53 | #endif | |
54 | ||
ab6ba842 TL |
55 | #include <nand.h> |
56 | ||
d87080b7 WD |
57 | DECLARE_GLOBAL_DATA_PTR; |
58 | ||
4e5ca3eb WD |
59 | static char *failed = "*** failed ***\n"; |
60 | ||
bf9e3b38 WD |
61 | #include <environment.h> |
62 | ||
bf9e3b38 | 63 | extern ulong __init_end; |
3929fb0a | 64 | extern ulong __bss_end; |
bf9e3b38 | 65 | |
bf9e3b38 | 66 | #if defined(CONFIG_WATCHDOG) |
a6741bce | 67 | # undef INIT_FUNC_WATCHDOG_INIT |
bf9e3b38 WD |
68 | # define INIT_FUNC_WATCHDOG_INIT watchdog_init, |
69 | # define WATCHDOG_DISABLE watchdog_disable | |
70 | ||
71 | extern int watchdog_init(void); | |
72 | extern int watchdog_disable(void); | |
73 | #else | |
74 | # define INIT_FUNC_WATCHDOG_INIT /* undef */ | |
75 | # define WATCHDOG_DISABLE /* undef */ | |
76 | #endif /* CONFIG_WATCHDOG */ | |
77 | ||
78 | ulong monitor_flash_len; | |
79 | ||
4e5ca3eb WD |
80 | /************************************************************************ |
81 | * Utilities * | |
82 | ************************************************************************ | |
83 | */ | |
84 | ||
bf9e3b38 WD |
85 | /* |
86 | * All attempts to come up with a "common" initialization sequence | |
87 | * that works for all boards and architectures failed: some of the | |
88 | * requirements are just _too_ different. To get rid of the resulting | |
89 | * mess of board dependend #ifdef'ed code we now make the whole | |
90 | * initialization sequence configurable to the user. | |
91 | * | |
92 | * The requirements for any new initalization function is simple: it | |
93 | * receives a pointer to the "global data" structure as it's only | |
94 | * argument, and returns an integer return code, where 0 means | |
95 | * "continue" and != 0 means "fatal error, hang the system". | |
96 | */ | |
97 | typedef int (init_fnc_t) (void); | |
98 | ||
99 | /************************************************************************ | |
8ae158cd | 100 | * Init Utilities |
bf9e3b38 WD |
101 | ************************************************************************ |
102 | * Some of this code should be moved into the core functions, | |
103 | * but let's get it working (again) first... | |
104 | */ | |
105 | ||
106 | static int init_baudrate (void) | |
4e5ca3eb | 107 | { |
77b8f203 SG |
108 | gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE); |
109 | return 0; | |
bf9e3b38 | 110 | } |
4e5ca3eb | 111 | |
bf9e3b38 | 112 | /***********************************************************************/ |
4e5ca3eb | 113 | |
bf9e3b38 WD |
114 | static int init_func_ram (void) |
115 | { | |
bf9e3b38 WD |
116 | int board_type = 0; /* use dummy arg */ |
117 | puts ("DRAM: "); | |
4e5ca3eb | 118 | |
bf9e3b38 WD |
119 | if ((gd->ram_size = initdram (board_type)) > 0) { |
120 | print_size (gd->ram_size, "\n"); | |
121 | return (0); | |
122 | } | |
123 | puts (failed); | |
124 | return (1); | |
4e5ca3eb WD |
125 | } |
126 | ||
bf9e3b38 WD |
127 | /***********************************************************************/ |
128 | ||
e2c22d78 SR |
129 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
130 | static int init_func_i2c (void) | |
131 | { | |
132 | puts ("I2C: "); | |
6d0f6bcf | 133 | i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); |
e2c22d78 SR |
134 | puts ("ready\n"); |
135 | return (0); | |
136 | } | |
137 | #endif | |
138 | ||
a7323bba TL |
139 | #if defined(CONFIG_HARD_SPI) |
140 | static int init_func_spi (void) | |
141 | { | |
142 | puts ("SPI: "); | |
143 | spi_init (); | |
144 | puts ("ready\n"); | |
145 | return (0); | |
146 | } | |
147 | #endif | |
148 | ||
e2c22d78 SR |
149 | /***********************************************************************/ |
150 | ||
bf9e3b38 WD |
151 | /************************************************************************ |
152 | * Initialization sequence * | |
153 | ************************************************************************ | |
154 | */ | |
155 | ||
156 | init_fnc_t *init_sequence[] = { | |
d61ea148 | 157 | get_clocks, |
bf9e3b38 WD |
158 | env_init, |
159 | init_baudrate, | |
160 | serial_init, | |
161 | console_init_f, | |
162 | display_options, | |
163 | checkcpu, | |
164 | checkboard, | |
e2c22d78 SR |
165 | #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) |
166 | init_func_i2c, | |
a7323bba TL |
167 | #endif |
168 | #if defined(CONFIG_HARD_SPI) | |
169 | init_func_spi, | |
e2c22d78 | 170 | #endif |
bf9e3b38 | 171 | init_func_ram, |
6d0f6bcf | 172 | #if defined(CONFIG_SYS_DRAM_TEST) |
bf9e3b38 | 173 | testdram, |
6d0f6bcf | 174 | #endif /* CONFIG_SYS_DRAM_TEST */ |
bf9e3b38 WD |
175 | INIT_FUNC_WATCHDOG_INIT |
176 | NULL, /* Terminate this list */ | |
177 | }; | |
178 | ||
179 | ||
4e5ca3eb WD |
180 | /************************************************************************ |
181 | * | |
182 | * This is the first part of the initialization sequence that is | |
183 | * implemented in C, but still running from ROM. | |
184 | * | |
185 | * The main purpose is to provide a (serial) console interface as | |
186 | * soon as possible (so we can see any error messages), and to | |
187 | * initialize the RAM so that we can relocate the monitor code to | |
188 | * RAM. | |
189 | * | |
190 | * Be aware of the restrictions: global data is read-only, BSS is not | |
191 | * initialized, and stack space is limited to a few kB. | |
192 | * | |
193 | ************************************************************************ | |
194 | */ | |
195 | ||
bf9e3b38 WD |
196 | void |
197 | board_init_f (ulong bootflag) | |
4e5ca3eb | 198 | { |
4e5ca3eb | 199 | bd_t *bd; |
bf9e3b38 | 200 | ulong len, addr, addr_sp; |
483a0cf8 | 201 | ulong *paddr; |
bf9e3b38 WD |
202 | gd_t *id; |
203 | init_fnc_t **init_fnc_ptr; | |
204 | #ifdef CONFIG_PRAM | |
bf9e3b38 | 205 | ulong reg; |
bf9e3b38 | 206 | #endif |
4e5ca3eb | 207 | |
bf9e3b38 | 208 | /* Pointer is writable since we allocated a register for it */ |
6d0f6bcf | 209 | gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); |
93f6a677 WD |
210 | /* compiler optimization barrier needed for GCC >= 3.4 */ |
211 | __asm__ __volatile__("": : :"memory"); | |
4e5ca3eb | 212 | |
bf9e3b38 WD |
213 | /* Clear initial global data */ |
214 | memset ((void *) gd, 0, sizeof (gd_t)); | |
4e5ca3eb | 215 | |
bf9e3b38 WD |
216 | for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { |
217 | if ((*init_fnc_ptr)() != 0) { | |
218 | hang (); | |
219 | } | |
4e5ca3eb | 220 | } |
4e5ca3eb WD |
221 | |
222 | /* | |
223 | * Now that we have DRAM mapped and working, we can | |
224 | * relocate the code and continue running from DRAM. | |
225 | * | |
226 | * Reserve memory at end of RAM for (top down in that order): | |
bf9e3b38 WD |
227 | * - protected RAM |
228 | * - LCD framebuffer | |
229 | * - monitor code | |
230 | * - board info struct | |
4e5ca3eb | 231 | */ |
3929fb0a | 232 | len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE; |
4e5ca3eb | 233 | |
6d0f6bcf | 234 | addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; |
4e5ca3eb | 235 | |
bf9e3b38 WD |
236 | #ifdef CONFIG_LOGBUFFER |
237 | /* reserve kernel log buffer */ | |
238 | addr -= (LOGBUFF_RESERVE); | |
239 | debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); | |
240 | #endif | |
241 | ||
242 | #ifdef CONFIG_PRAM | |
243 | /* | |
244 | * reserve protected RAM | |
245 | */ | |
77b8f203 | 246 | reg = getenv_ulong("pram", 10, CONFIG_PRAM); |
bf9e3b38 WD |
247 | addr -= (reg << 10); /* size is in kB */ |
248 | debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); | |
249 | #endif /* CONFIG_PRAM */ | |
4e5ca3eb | 250 | |
1552af70 TL |
251 | /* round down to next 4 kB limit */ |
252 | addr &= ~(4096 - 1); | |
253 | debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); | |
254 | ||
255 | #ifdef CONFIG_LCD | |
d32a1a4c MK |
256 | #ifdef CONFIG_FB_ADDR |
257 | gd->fb_base = CONFIG_FB_ADDR; | |
258 | #else | |
1552af70 TL |
259 | /* reserve memory for LCD display (always full pages) */ |
260 | addr = lcd_setmem (addr); | |
261 | gd->fb_base = addr; | |
d32a1a4c | 262 | #endif /* CONFIG_FB_ADDR */ |
1552af70 TL |
263 | #endif /* CONFIG_LCD */ |
264 | ||
bf9e3b38 WD |
265 | /* |
266 | * reserve memory for U-Boot code, data & bss | |
267 | * round down to next 4 kB limit | |
268 | */ | |
4e5ca3eb | 269 | addr -= len; |
bf9e3b38 WD |
270 | addr &= ~(4096 - 1); |
271 | ||
272 | debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); | |
4e5ca3eb WD |
273 | |
274 | /* | |
bf9e3b38 | 275 | * reserve memory for malloc() arena |
4e5ca3eb | 276 | */ |
bf9e3b38 WD |
277 | addr_sp = addr - TOTAL_MALLOC_LEN; |
278 | debug ("Reserving %dk for malloc() at: %08lx\n", | |
279 | TOTAL_MALLOC_LEN >> 10, addr_sp); | |
4e5ca3eb | 280 | |
bf9e3b38 WD |
281 | /* |
282 | * (permanently) allocate a Board Info struct | |
283 | * and a permanent copy of the "global" data | |
284 | */ | |
285 | addr_sp -= sizeof (bd_t); | |
286 | bd = (bd_t *) addr_sp; | |
287 | gd->bd = bd; | |
b64f190b | 288 | debug ("Reserving %zu Bytes for Board Info at: %08lx\n", |
bf9e3b38 WD |
289 | sizeof (bd_t), addr_sp); |
290 | addr_sp -= sizeof (gd_t); | |
291 | id = (gd_t *) addr_sp; | |
b64f190b | 292 | debug ("Reserving %zu Bytes for Global Data at: %08lx\n", |
bf9e3b38 WD |
293 | sizeof (gd_t), addr_sp); |
294 | ||
53677ef1 | 295 | /* Reserve memory for boot params. */ |
6d0f6bcf | 296 | addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN; |
bf9e3b38 WD |
297 | bd->bi_boot_params = addr_sp; |
298 | debug ("Reserving %dk for boot parameters at: %08lx\n", | |
6d0f6bcf | 299 | CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp); |
4e5ca3eb | 300 | |
bf9e3b38 WD |
301 | /* |
302 | * Finally, we set up a new (bigger) stack. | |
303 | * | |
304 | * Leave some safety gap for SP, force alignment on 16 byte boundary | |
305 | * Clear initial stack frame | |
306 | */ | |
307 | addr_sp -= 16; | |
308 | addr_sp &= ~0xF; | |
483a0cf8 MB |
309 | |
310 | paddr = (ulong *)addr_sp; | |
311 | *paddr-- = 0; | |
312 | *paddr-- = 0; | |
313 | addr_sp = (ulong)paddr; | |
977b50f8 | 314 | |
bf9e3b38 | 315 | debug ("Stack Pointer at: %08lx\n", addr_sp); |
4e5ca3eb | 316 | |
bf9e3b38 WD |
317 | /* |
318 | * Save local variables to board info struct | |
319 | */ | |
6d0f6bcf | 320 | bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */ |
bf9e3b38 | 321 | bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ |
6d0f6bcf JCPV |
322 | #ifdef CONFIG_SYS_INIT_RAM_ADDR |
323 | bd->bi_sramstart = CONFIG_SYS_INIT_RAM_ADDR; /* start of SRAM memory */ | |
553f0982 | 324 | bd->bi_sramsize = CONFIG_SYS_INIT_RAM_SIZE; /* size of SRAM memory */ |
8e585f02 | 325 | #endif |
6d0f6bcf | 326 | bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ |
bf9e3b38 WD |
327 | |
328 | bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ | |
329 | ||
330 | WATCHDOG_RESET (); | |
331 | bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ | |
332 | bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ | |
8ae158cd TL |
333 | #ifdef CONFIG_PCI |
334 | bd->bi_pcifreq = gd->pci_clk; /* PCI Freq in Hz */ | |
335 | #endif | |
336 | #ifdef CONFIG_EXTRA_CLOCK | |
7e2592fd SG |
337 | bd->bi_inpfreq = gd->arch.inp_clk; /* input Freq in Hz */ |
338 | bd->bi_vcofreq = gd->arch.vco_clk; /* vco Freq in Hz */ | |
339 | bd->bi_flbfreq = gd->arch.flb_clk; /* flexbus Freq in Hz */ | |
8ae158cd | 340 | #endif |
bf9e3b38 | 341 | bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ |
4e5ca3eb | 342 | |
6d0f6bcf | 343 | #ifdef CONFIG_SYS_EXTBDINFO |
4e5ca3eb | 344 | strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version)); |
bf9e3b38 WD |
345 | strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version)); |
346 | #endif | |
347 | ||
348 | WATCHDOG_RESET (); | |
4e5ca3eb | 349 | |
bf9e3b38 WD |
350 | #ifdef CONFIG_POST |
351 | post_bootmode_init(); | |
352 | post_run (NULL, POST_ROM | post_bootmode_get(0)); | |
4e5ca3eb WD |
353 | #endif |
354 | ||
bf9e3b38 | 355 | WATCHDOG_RESET(); |
4e5ca3eb | 356 | |
bf9e3b38 WD |
357 | memcpy (id, (void *)gd, sizeof (gd_t)); |
358 | ||
6d0f6bcf | 359 | debug ("Start relocate of code from %08x to %08lx\n", CONFIG_SYS_MONITOR_BASE, addr); |
bf9e3b38 | 360 | relocate_code (addr_sp, id, addr); |
4e5ca3eb | 361 | |
bf9e3b38 WD |
362 | /* NOTREACHED - jump_to_ram() does not return */ |
363 | } | |
4e5ca3eb WD |
364 | |
365 | /************************************************************************ | |
366 | * | |
367 | * This is the next part if the initialization sequence: we are now | |
368 | * running from RAM and have a "normal" C environment, i. e. global | |
369 | * data can be written, BSS has been cleared, the stack size in not | |
370 | * that critical any more, etc. | |
371 | * | |
372 | ************************************************************************ | |
373 | */ | |
bf9e3b38 | 374 | void board_init_r (gd_t *id, ulong dest_addr) |
4e5ca3eb | 375 | { |
c59ac903 | 376 | char *s __maybe_unused; |
4e5ca3eb WD |
377 | bd_t *bd; |
378 | ||
93f6d725 | 379 | #ifndef CONFIG_ENV_IS_NOWHERE |
bf9e3b38 WD |
380 | extern char * env_name_spec; |
381 | #endif | |
6d0f6bcf | 382 | #ifndef CONFIG_SYS_NO_FLASH |
bf9e3b38 WD |
383 | ulong flash_size; |
384 | #endif | |
385 | gd = id; /* initialize RAM version of global data */ | |
4e5ca3eb | 386 | bd = gd->bd; |
bf9e3b38 WD |
387 | |
388 | gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ | |
389 | ||
bf9e3b38 WD |
390 | WATCHDOG_RESET (); |
391 | ||
6d0f6bcf | 392 | gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE; |
bf9e3b38 | 393 | |
fd70aa41 | 394 | serial_initialize(); |
395 | ||
aea5eee1 JSBE |
396 | debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); |
397 | ||
bf9e3b38 WD |
398 | monitor_flash_len = (ulong)&__init_end - dest_addr; |
399 | ||
2e5167cc | 400 | #if defined(CONFIG_NEEDS_MANUAL_RELOC) |
bf9e3b38 WD |
401 | /* |
402 | * We have to relocate the command table manually | |
403 | */ | |
6c7c946c MV |
404 | fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), |
405 | ll_entry_count(cmd_tbl_t, cmd)); | |
2e5167cc | 406 | #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ |
bf9e3b38 | 407 | |
bf9e3b38 | 408 | /* there are some other pointer constants we must deal with */ |
93f6d725 | 409 | #ifndef CONFIG_ENV_IS_NOWHERE |
bf9e3b38 WD |
410 | env_name_spec += gd->reloc_off; |
411 | #endif | |
412 | ||
413 | WATCHDOG_RESET (); | |
414 | ||
415 | #ifdef CONFIG_LOGBUFFER | |
416 | logbuff_init_ptrs (); | |
417 | #endif | |
418 | #ifdef CONFIG_POST | |
419 | post_output_backlog (); | |
420 | post_reloc (); | |
421 | #endif | |
422 | WATCHDOG_RESET(); | |
423 | ||
424 | #if 0 | |
425 | /* instruction cache enabled in cpu_init_f() for faster relocation */ | |
426 | icache_enable (); /* it's time to enable the instruction cache */ | |
427 | #endif | |
4e5ca3eb WD |
428 | |
429 | /* | |
430 | * Setup trap handlers | |
431 | */ | |
6d0f6bcf | 432 | trap_init (CONFIG_SYS_SDRAM_BASE); |
4e5ca3eb | 433 | |
d4e8ada0 | 434 | /* The Malloc area is immediately below the monitor copy in DRAM */ |
a483a167 PT |
435 | mem_malloc_init (CONFIG_SYS_MONITOR_BASE + gd->reloc_off - |
436 | TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN); | |
c790b04d | 437 | |
6d0f6bcf | 438 | #if !defined(CONFIG_SYS_NO_FLASH) |
eddf52b5 | 439 | puts ("Flash: "); |
4e5ca3eb WD |
440 | |
441 | if ((flash_size = flash_init ()) > 0) { | |
6d0f6bcf | 442 | # ifdef CONFIG_SYS_FLASH_CHECKSUM |
bf9e3b38 | 443 | print_size (flash_size, ""); |
4e5ca3eb WD |
444 | /* |
445 | * Compute and print flash CRC if flashchecksum is set to 'y' | |
446 | * | |
bf9e3b38 | 447 | * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX |
4e5ca3eb | 448 | */ |
ec8a252c | 449 | if (getenv_yesno("flashchecksum") == 1) { |
11d88b26 | 450 | printf (" CRC: %08X", |
bf9e3b38 | 451 | crc32 (0, |
6d0f6bcf | 452 | (const unsigned char *) CONFIG_SYS_FLASH_BASE, |
bf9e3b38 WD |
453 | flash_size) |
454 | ); | |
4e5ca3eb WD |
455 | } |
456 | putc ('\n'); | |
6d0f6bcf | 457 | # else /* !CONFIG_SYS_FLASH_CHECKSUM */ |
bf9e3b38 | 458 | print_size (flash_size, "\n"); |
6d0f6bcf | 459 | # endif /* CONFIG_SYS_FLASH_CHECKSUM */ |
4e5ca3eb WD |
460 | } else { |
461 | puts (failed); | |
462 | hang (); | |
463 | } | |
464 | ||
6d0f6bcf | 465 | bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ |
bf9e3b38 WD |
466 | bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ |
467 | bd->bi_flashoffset = 0; | |
6d0f6bcf | 468 | #else /* CONFIG_SYS_NO_FLASH */ |
bf9e3b38 WD |
469 | bd->bi_flashsize = 0; |
470 | bd->bi_flashstart = 0; | |
471 | bd->bi_flashoffset = 0; | |
6d0f6bcf | 472 | #endif /* !CONFIG_SYS_NO_FLASH */ |
4e5ca3eb WD |
473 | |
474 | WATCHDOG_RESET (); | |
475 | ||
476 | /* initialize higher level parts of CPU like time base and timers */ | |
477 | cpu_init_r (); | |
478 | ||
479 | WATCHDOG_RESET (); | |
480 | ||
4e5ca3eb | 481 | #ifdef CONFIG_SPI |
bb1f8b4f | 482 | # if !defined(CONFIG_ENV_IS_IN_EEPROM) |
4e5ca3eb WD |
483 | spi_init_f (); |
484 | # endif | |
485 | spi_init_r (); | |
486 | #endif | |
487 | ||
488 | /* relocate environment function pointers etc. */ | |
489 | env_relocate (); | |
490 | ||
4e5ca3eb WD |
491 | WATCHDOG_RESET (); |
492 | ||
8e585f02 TL |
493 | #if defined(CONFIG_PCI) |
494 | /* | |
495 | * Do pci configuration | |
496 | */ | |
497 | pci_init (); | |
498 | #endif | |
4e5ca3eb | 499 | |
bf9e3b38 | 500 | /** leave this here (after malloc(), environment and PCI are working) **/ |
52cb4d4f JCPV |
501 | /* Initialize stdio devices */ |
502 | stdio_init (); | |
4e5ca3eb | 503 | |
bf9e3b38 WD |
504 | /* Initialize the jump table for applications */ |
505 | jumptable_init (); | |
4e5ca3eb | 506 | |
bf9e3b38 WD |
507 | /* Initialize the console (after the relocation and devices init) */ |
508 | console_init_r (); | |
4e5ca3eb | 509 | |
e2c22d78 SR |
510 | #if defined(CONFIG_MISC_INIT_R) |
511 | /* miscellaneous platform dependent initialisations */ | |
512 | misc_init_r (); | |
513 | #endif | |
514 | ||
7def6b34 | 515 | #if defined(CONFIG_CMD_KGDB) |
4e5ca3eb WD |
516 | WATCHDOG_RESET (); |
517 | puts ("KGDB: "); | |
518 | kgdb_init (); | |
519 | #endif | |
520 | ||
bf9e3b38 WD |
521 | debug ("U-Boot relocated to %08lx\n", dest_addr); |
522 | ||
4e5ca3eb WD |
523 | /* |
524 | * Enable Interrupts | |
525 | */ | |
526 | interrupt_init (); | |
bf9e3b38 WD |
527 | |
528 | /* Must happen after interrupts are initialized since | |
529 | * an irq handler gets installed | |
530 | */ | |
531 | timer_init(); | |
532 | ||
bf9e3b38 WD |
533 | #ifdef CONFIG_STATUS_LED |
534 | status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); | |
535 | #endif | |
536 | ||
4e5ca3eb | 537 | udelay (20); |
bf9e3b38 | 538 | |
4e5ca3eb WD |
539 | /* Insert function pointers now that we have relocated the code */ |
540 | ||
541 | /* Initialize from environment */ | |
77b8f203 | 542 | load_addr = getenv_ulong("loadaddr", 16, load_addr); |
4e5ca3eb WD |
543 | |
544 | WATCHDOG_RESET (); | |
545 | ||
7def6b34 | 546 | #if defined(CONFIG_CMD_DOC) |
bf9e3b38 WD |
547 | WATCHDOG_RESET (); |
548 | puts ("DOC: "); | |
549 | doc_init (); | |
550 | #endif | |
551 | ||
7def6b34 | 552 | #if defined(CONFIG_CMD_NAND) |
4e5ca3eb | 553 | WATCHDOG_RESET (); |
d860c34f | 554 | puts ("NAND: "); |
bf9e3b38 WD |
555 | nand_init(); /* go init the NAND */ |
556 | #endif | |
557 | ||
310cecb8 LCM |
558 | #ifdef CONFIG_BITBANGMII |
559 | bb_miiphy_init(); | |
560 | #endif | |
d61ea148 | 561 | #if defined(CONFIG_CMD_NET) |
bf9e3b38 | 562 | WATCHDOG_RESET(); |
8e585f02 | 563 | #if defined(FEC_ENET) |
bf9e3b38 WD |
564 | eth_init(bd); |
565 | #endif | |
8e585f02 | 566 | puts ("Net: "); |
ab77bc54 | 567 | eth_initialize (bd); |
8e585f02 | 568 | #endif |
bf9e3b38 WD |
569 | |
570 | #ifdef CONFIG_POST | |
571 | post_run (NULL, POST_RAM | post_bootmode_get(0)); | |
4e5ca3eb WD |
572 | #endif |
573 | ||
d61ea148 SR |
574 | #if defined(CONFIG_CMD_PCMCIA) \ |
575 | && !defined(CONFIG_CMD_IDE) | |
8e585f02 TL |
576 | WATCHDOG_RESET (); |
577 | puts ("PCMCIA:"); | |
578 | pcmcia_init (); | |
579 | #endif | |
580 | ||
d61ea148 | 581 | #if defined(CONFIG_CMD_IDE) |
8e585f02 TL |
582 | WATCHDOG_RESET (); |
583 | puts ("IDE: "); | |
584 | ide_init (); | |
d61ea148 | 585 | #endif |
8e585f02 | 586 | |
4e5ca3eb WD |
587 | #ifdef CONFIG_LAST_STAGE_INIT |
588 | WATCHDOG_RESET (); | |
589 | /* | |
590 | * Some parts can be only initialized if all others (like | |
591 | * Interrupts) are up and running (i.e. the PC-style ISA | |
592 | * keyboard). | |
593 | */ | |
594 | last_stage_init (); | |
595 | #endif | |
596 | ||
7def6b34 | 597 | #if defined(CONFIG_CMD_BEDBUG) |
4e5ca3eb WD |
598 | WATCHDOG_RESET (); |
599 | bedbug_init (); | |
600 | #endif | |
601 | ||
bf9e3b38 | 602 | #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) |
4e5ca3eb WD |
603 | /* |
604 | * Export available size of memory for Linux, | |
605 | * taking into account the protected RAM at top of memory | |
606 | */ | |
607 | { | |
77b8f203 | 608 | ulong pram = 0; |
a5466651 | 609 | char memsz[32]; |
4e5ca3eb | 610 | |
77b8f203 SG |
611 | #ifdef CONFIG_PRAM |
612 | pram = getenv_ulong("pram", 10, CONFIG_PRAM); | |
bf9e3b38 WD |
613 | #endif |
614 | #ifdef CONFIG_LOGBUFFER | |
615 | /* Also take the logbuffer into account (pram is in kB) */ | |
616 | pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; | |
617 | #endif | |
4e5ca3eb WD |
618 | sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram); |
619 | setenv ("mem", memsz); | |
620 | } | |
621 | #endif | |
622 | ||
bf9e3b38 WD |
623 | #ifdef CONFIG_MODEM_SUPPORT |
624 | { | |
625 | extern int do_mdm_init; | |
626 | do_mdm_init = gd->do_mdm_init; | |
627 | } | |
628 | #endif | |
629 | ||
630 | #ifdef CONFIG_WATCHDOG | |
631 | /* disable watchdog if environment is set */ | |
632 | if ((s = getenv ("watchdog")) != NULL) { | |
633 | if (strncmp (s, "off", 3) == 0) { | |
634 | WATCHDOG_DISABLE (); | |
635 | } | |
636 | } | |
637 | #endif /* CONFIG_WATCHDOG*/ | |
638 | ||
639 | ||
4e5ca3eb WD |
640 | /* Initialization complete - start the monitor */ |
641 | ||
642 | /* main_loop() can return to retry autoboot, if so just run it again. */ | |
643 | for (;;) { | |
644 | WATCHDOG_RESET (); | |
645 | main_loop (); | |
646 | } | |
647 | ||
648 | /* NOTREACHED - no way out of command loop except booting */ | |
649 | } |