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Daniel Hellstromc2f02da2008-03-28 09:47:00 +01001/* SPARC Board initialization
2 *
3 * (C) Copyright 2000-2006
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 *
6 * (C) Copyright 2007
7 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
8 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28#include <common.h>
29#include <command.h>
30#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020031#include <stdio_dev.h>
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010032#include <config.h>
33#if defined(CONFIG_CMD_IDE)
34#include <ide.h>
35#endif
36#ifdef CONFIG_STATUS_LED
37#include <status_led.h>
38#endif
39#include <net.h>
40#include <serial.h>
41#include <version.h>
42#if defined(CONFIG_POST)
43#include <post.h>
44#endif
45#ifdef CONFIG_PS2KBD
46#include <keyboard.h>
47#endif
48#ifdef CONFIG_CMD_AMBAPP
49#include <ambapp.h>
50#endif
51
52DECLARE_GLOBAL_DATA_PTR;
53
54/* Debug options
55#define DEBUG_INIT_SEQUENCE
56#define DEBUG_MEM_LAYOUT
57#define DEBUG_COMMANDS
58*/
59
60extern void timer_interrupt_init(void);
61extern void malloc_bin_reloc(void);
62extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
63extern int prom_init(void);
64
65#if defined(CONFIG__CMD_DOC)
66void doc_init(void);
67#endif
68
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020069#if !defined(CONFIG_SYS_NO_FLASH)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010070static char *failed = "*** failed ***\n";
71#endif
72
73#include <environment.h>
74
75ulong monitor_flash_len;
76
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010077/************************************************************************
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010078 * Init Utilities *
79 ************************************************************************
80 * Some of this code should be moved into the core functions,
81 * but let's get it working (again) first...
82 */
83
84static int init_baudrate(void)
85{
86 char tmp[64]; /* long enough for environment variables */
87 int i = getenv_r("baudrate", tmp, sizeof(tmp));
88
89 gd->baudrate = (i > 0)
90 ? (int)simple_strtoul(tmp, NULL, 10)
91 : CONFIG_BAUDRATE;
92 return (0);
93}
94
95/***********************************************************************/
96
97/*
98 * All attempts to come up with a "common" initialization sequence
99 * that works for all boards and architectures failed: some of the
100 * requirements are just _too_ different. To get rid of the resulting
101 * mess of board dependend #ifdef'ed code we now make the whole
102 * initialization sequence configurable to the user.
103 *
104 * The requirements for any new initalization function is simple: it
105 * receives a pointer to the "global data" structure as it's only
106 * argument, and returns an integer return code, where 0 means
107 * "continue" and != 0 means "fatal error, hang the system".
108 */
109typedef int (init_fnc_t) (void);
110
111#define WATCHDOG_RESET(x)
112
113/************************************************************************
114 * Initialization sequence *
115 ************************************************************************
116 */
117
118init_fnc_t *init_sequence[] = {
119
120#if defined(CONFIG_BOARD_EARLY_INIT_F)
121 board_early_init_f,
122#endif
123 serial_init,
124
125 init_timebase,
126
127#if defined(CONFIG_CMD_AMBAPP)
128 ambapp_init_reloc,
129#endif
130
131 env_init,
132
133 init_baudrate,
134
135 console_init_f,
136 display_options,
137
138 checkcpu,
139 checkboard,
140#if defined(CONFIG_MISC_INIT_F)
141 misc_init_f,
142#endif
143
144#ifdef CONFIG_POST
145 post_init_f,
146#endif
147
148 NULL, /* Terminate this list,
149 * beware: this list will be relocated
150 * which means that NULL will become
151 * NULL+RELOC_OFFSET. We simply make
152 * NULL be -RELOC_OFFSET instead.
153 */
154};
155
156/************************************************************************
157 *
158 * This is the SPARC board initialization routine, running from RAM.
159 *
160 ************************************************************************
161 */
162#ifdef DEBUG_INIT_SEQUENCE
163char *str_init_seq = "INIT_SEQ 00\n";
164char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
165#endif
166
167void board_init_f(ulong bootflag)
168{
169 cmd_tbl_t *cmdtp;
170 bd_t *bd;
171 unsigned char *s;
172 init_fnc_t **init_fnc_ptr;
173 int j;
174 int i;
175 char *e;
176
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200177#ifndef CONFIG_SYS_NO_FLASH
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100178 ulong flash_size;
179#endif
180
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200181 gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100182
183 /* Clear initial global data */
184 memset((void *)gd, 0, sizeof(gd_t));
185
186 gd->bd = (bd_t *) (gd + 1); /* At end of global data */
187 gd->baudrate = CONFIG_BAUDRATE;
188 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
189
190 bd = gd->bd;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200191 bd->bi_memstart = CONFIG_SYS_RAM_BASE;
192 bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
193 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
194#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
195 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
196 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100197#endif
198 bd->bi_baudrate = CONFIG_BAUDRATE;
199 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
200
201 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200202 gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100203
204 for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
205 ++init_fnc_ptr, j++) {
206#ifdef DEBUG_INIT_SEQUENCE
207 if (j > 9)
208 str_init_seq[9] = '0' + (j / 10);
209 str_init_seq[10] = '0' + (j - (j / 10) * 10);
210 serial_puts(str_init_seq);
211#endif
212 if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
213 hang();
214 }
215 }
216#ifdef DEBUG_INIT_SEQUENCE
217 serial_puts(str_init_seq_done);
218#endif
219
220 /*
221 * Now that we have DRAM mapped and working, we can
222 * relocate the code and continue running from DRAM.
223 *
224 * Reserve memory at end of RAM for (top down in that order):
225 * - kernel log buffer
226 * - protected RAM
227 * - LCD framebuffer
228 * - monitor code
229 * - board info struct
230 */
231#ifdef DEBUG_MEM_LAYOUT
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200232 printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
Jean-Christophe PLAGNIOL-VILLARD0e8d1582008-09-10 22:48:06 +0200233 printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200234 printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
235 CONFIG_SYS_MONITOR_LEN);
236 printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
237 CONFIG_SYS_MALLOC_LEN);
238 printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
239 CONFIG_SYS_STACK_SIZE);
240 printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
241 CONFIG_SYS_PROM_SIZE);
242 printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
243 CONFIG_SYS_GBL_DATA_SIZE);
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100244#endif
245
246#ifdef CONFIG_POST
247 post_bootmode_init();
248 post_run(NULL, POST_ROM | post_bootmode_get(0));
249#endif
250
251 /*
252 * We have to relocate the command table manually
253 */
254 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
255 ulong addr;
256 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
257#if DEBUG_COMMANDS
258 printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
259 cmdtp->name, (ulong) (cmdtp->cmd), addr);
260#endif
261 cmdtp->cmd =
262 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
263
264 addr = (ulong) (cmdtp->name) + gd->reloc_off;
265 cmdtp->name = (char *)addr;
266
267 if (cmdtp->usage) {
268 addr = (ulong) (cmdtp->usage) + gd->reloc_off;
269 cmdtp->usage = (char *)addr;
270 }
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200271#ifdef CONFIG_SYS_LONGHELP
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100272 if (cmdtp->help) {
273 addr = (ulong) (cmdtp->help) + gd->reloc_off;
274 cmdtp->help = (char *)addr;
275 }
276#endif
277 }
278
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200279#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100280 puts("AMBA:\n");
281 do_ambapp_print(NULL, 0, 0, NULL);
282#endif
283
284 /* initialize higher level parts of CPU like time base and timers */
285 cpu_init_r();
286
287 /* start timer */
288 timer_interrupt_init();
289
290 /*
291 * Enable Interrupts before any calls to udelay,
292 * the flash driver may use udelay resulting in
293 * a hang if not timer0 IRQ is enabled.
294 */
295 interrupt_init();
296
Peter Tyserbdb28022009-08-21 23:05:21 -0500297 /* The Malloc area is immediately below the monitor copy in RAM */
Peter Tyser832f4372009-08-21 23:05:20 -0500298 mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
299 CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
Stefan Roesec790b042009-05-11 15:50:12 +0200300 malloc_bin_reloc();
301
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200302#if !defined(CONFIG_SYS_NO_FLASH)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100303 puts("FLASH: ");
304
305 if ((flash_size = flash_init()) > 0) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200306# ifdef CONFIG_SYS_FLASH_CHECKSUM
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100307 print_size(flash_size, "");
308 /*
309 * Compute and print flash CRC if flashchecksum is set to 'y'
310 *
311 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
312 */
313 s = getenv("flashchecksum");
314 if (s && (*s == 'y')) {
315 printf(" CRC: %08lX",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200316 crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100317 flash_size)
318 );
319 }
320 putc('\n');
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200321# else /* !CONFIG_SYS_FLASH_CHECKSUM */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100322 print_size(flash_size, "\n");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200323# endif /* CONFIG_SYS_FLASH_CHECKSUM */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100324 } else {
325 puts(failed);
326 hang();
327 }
328
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200329 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100330 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200331#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100332 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
333#else
334 bd->bi_flashoffset = 0;
335#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200336#else /* CONFIG_SYS_NO_FLASH */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100337 bd->bi_flashsize = 0;
338 bd->bi_flashstart = 0;
339 bd->bi_flashoffset = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200340#endif /* !CONFIG_SYS_NO_FLASH */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100341
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100342#ifdef CONFIG_SPI
Jean-Christophe PLAGNIOL-VILLARDbb1f8b42008-09-05 09:19:30 +0200343# if !defined(CONFIG_ENV_IS_IN_EEPROM)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100344 spi_init_f();
345# endif
346 spi_init_r();
347#endif
348
349 /* relocate environment function pointers etc. */
350 env_relocate();
351
352#if defined(CONFIG_BOARD_LATE_INIT)
353 board_late_init();
354#endif
355
Jean-Christophe PLAGNIOL-VILLARD32628c52008-08-30 23:54:58 +0200356#ifdef CONFIG_ID_EEPROM
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100357 mac_read_from_eeprom();
358#endif
359
360 /* IP Address */
361 bd->bi_ip_addr = getenv_IPaddr("ipaddr");
362#if defined(CONFIG_PCI)
363 /*
364 * Do pci configuration
365 */
366 pci_init();
367#endif
368
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200369 /* Initialize stdio devices */
370 stdio_init();
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100371
372 /* Initialize the jump table for applications */
373 jumptable_init();
374
375 /* Initialize the console (after the relocation and devices init) */
376 console_init_r();
377
378#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
379 serial_buffered_init();
380#endif
381
382#ifdef CONFIG_STATUS_LED
383 status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
384#endif
385
386 udelay(20);
387
388 set_timer(0);
389
390 /* Initialize from environment */
391 if ((s = getenv("loadaddr")) != NULL) {
392 load_addr = simple_strtoul(s, NULL, 16);
393 }
394#if defined(CONFIG_CMD_NET)
395 if ((s = getenv("bootfile")) != NULL) {
396 copy_filename(BootFile, s, sizeof(BootFile));
397 }
Stefan Roesef2302d42008-08-06 14:05:38 +0200398#endif /* CONFIG_CMD_NET */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100399
400 WATCHDOG_RESET();
401
402#if defined(CONFIG_CMD_DOC)
403 WATCHDOG_RESET();
404 puts("DOC: ");
405 doc_init();
406#endif
407
408#if defined(CONFIG_CMD_NET)
409#if defined(CONFIG_NET_MULTI)
410 WATCHDOG_RESET();
411 puts("Net: ");
412#endif
413 eth_initialize(bd);
414#endif
415
416#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
417 WATCHDOG_RESET();
418 debug("Reset Ethernet PHY\n");
419 reset_phy();
420#endif
421
422#ifdef CONFIG_POST
423 post_run(NULL, POST_RAM | post_bootmode_get(0));
424#endif
425
426#if defined(CONFIG_CMD_IDE)
427 WATCHDOG_RESET();
428 puts("IDE: ");
429 ide_init();
Stefan Roesef2302d42008-08-06 14:05:38 +0200430#endif /* CONFIG_CMD_IDE */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100431
432#ifdef CONFIG_LAST_STAGE_INIT
433 WATCHDOG_RESET();
434 /*
435 * Some parts can be only initialized if all others (like
436 * Interrupts) are up and running (i.e. the PC-style ISA
437 * keyboard).
438 */
439 last_stage_init();
440#endif
441
442#ifdef CONFIG_PS2KBD
443 puts("PS/2: ");
444 kbd_init();
445#endif
446 prom_init();
447
448 /* main_loop */
449 for (;;) {
450 WATCHDOG_RESET();
451 main_loop();
452 }
453
454}
455
456void hang(void)
457{
458 puts("### ERROR ### Please RESET the board ###\n");
459#ifdef CONFIG_SHOW_BOOT_PROGRESS
460 show_boot_progress(-30);
461#endif
462 for (;;) ;
463}
464
465/************************************************************************/