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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
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +020052#ifdef CONFIG_BITBANGMII
53#include <miiphy.h>
54#endif
55
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010056DECLARE_GLOBAL_DATA_PTR;
57
58/* Debug options
59#define DEBUG_INIT_SEQUENCE
60#define DEBUG_MEM_LAYOUT
61#define DEBUG_COMMANDS
62*/
63
64extern void timer_interrupt_init(void);
65extern void malloc_bin_reloc(void);
Wolfgang Denk54841ab2010-06-28 22:00:46 +020066extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]);
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010067extern int prom_init(void);
68
69#if defined(CONFIG__CMD_DOC)
70void doc_init(void);
71#endif
72
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020073#if !defined(CONFIG_SYS_NO_FLASH)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010074static char *failed = "*** failed ***\n";
75#endif
76
77#include <environment.h>
78
79ulong monitor_flash_len;
80
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010081/************************************************************************
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010082 * Init Utilities *
83 ************************************************************************
84 * Some of this code should be moved into the core functions,
85 * but let's get it working (again) first...
86 */
87
88static int init_baudrate(void)
89{
90 char tmp[64]; /* long enough for environment variables */
Wolfgang Denkcdb74972010-07-24 21:55:43 +020091 int i = getenv_f("baudrate", tmp, sizeof(tmp));
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010092
93 gd->baudrate = (i > 0)
94 ? (int)simple_strtoul(tmp, NULL, 10)
95 : CONFIG_BAUDRATE;
96 return (0);
97}
98
99/***********************************************************************/
100
101/*
102 * All attempts to come up with a "common" initialization sequence
103 * that works for all boards and architectures failed: some of the
104 * requirements are just _too_ different. To get rid of the resulting
105 * mess of board dependend #ifdef'ed code we now make the whole
106 * initialization sequence configurable to the user.
107 *
108 * The requirements for any new initalization function is simple: it
109 * receives a pointer to the "global data" structure as it's only
110 * argument, and returns an integer return code, where 0 means
111 * "continue" and != 0 means "fatal error, hang the system".
112 */
113typedef int (init_fnc_t) (void);
114
115#define WATCHDOG_RESET(x)
116
117/************************************************************************
118 * Initialization sequence *
119 ************************************************************************
120 */
121
122init_fnc_t *init_sequence[] = {
123
124#if defined(CONFIG_BOARD_EARLY_INIT_F)
125 board_early_init_f,
126#endif
127 serial_init,
128
129 init_timebase,
130
131#if defined(CONFIG_CMD_AMBAPP)
132 ambapp_init_reloc,
133#endif
134
135 env_init,
136
137 init_baudrate,
138
139 console_init_f,
140 display_options,
141
142 checkcpu,
143 checkboard,
144#if defined(CONFIG_MISC_INIT_F)
145 misc_init_f,
146#endif
147
148#ifdef CONFIG_POST
149 post_init_f,
150#endif
151
152 NULL, /* Terminate this list,
153 * beware: this list will be relocated
154 * which means that NULL will become
155 * NULL+RELOC_OFFSET. We simply make
156 * NULL be -RELOC_OFFSET instead.
157 */
158};
159
160/************************************************************************
161 *
162 * This is the SPARC board initialization routine, running from RAM.
163 *
164 ************************************************************************
165 */
166#ifdef DEBUG_INIT_SEQUENCE
167char *str_init_seq = "INIT_SEQ 00\n";
168char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
169#endif
170
171void board_init_f(ulong bootflag)
172{
173 cmd_tbl_t *cmdtp;
174 bd_t *bd;
175 unsigned char *s;
176 init_fnc_t **init_fnc_ptr;
177 int j;
178 int i;
179 char *e;
180
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200181#ifndef CONFIG_SYS_NO_FLASH
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100182 ulong flash_size;
183#endif
184
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200185 gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100186
187 /* Clear initial global data */
188 memset((void *)gd, 0, sizeof(gd_t));
189
190 gd->bd = (bd_t *) (gd + 1); /* At end of global data */
191 gd->baudrate = CONFIG_BAUDRATE;
192 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
193
194 bd = gd->bd;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200195 bd->bi_memstart = CONFIG_SYS_RAM_BASE;
196 bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
197 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
198#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
199 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
200 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100201#endif
202 bd->bi_baudrate = CONFIG_BAUDRATE;
203 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
204
205 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200206 gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100207
208 for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
209 ++init_fnc_ptr, j++) {
210#ifdef DEBUG_INIT_SEQUENCE
211 if (j > 9)
212 str_init_seq[9] = '0' + (j / 10);
213 str_init_seq[10] = '0' + (j - (j / 10) * 10);
214 serial_puts(str_init_seq);
215#endif
216 if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
217 hang();
218 }
219 }
220#ifdef DEBUG_INIT_SEQUENCE
221 serial_puts(str_init_seq_done);
222#endif
223
224 /*
225 * Now that we have DRAM mapped and working, we can
226 * relocate the code and continue running from DRAM.
227 *
228 * Reserve memory at end of RAM for (top down in that order):
229 * - kernel log buffer
230 * - protected RAM
231 * - LCD framebuffer
232 * - monitor code
233 * - board info struct
234 */
235#ifdef DEBUG_MEM_LAYOUT
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200236 printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
Jean-Christophe PLAGNIOL-VILLARD0e8d1582008-09-10 22:48:06 +0200237 printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200238 printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
239 CONFIG_SYS_MONITOR_LEN);
240 printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
241 CONFIG_SYS_MALLOC_LEN);
242 printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
243 CONFIG_SYS_STACK_SIZE);
244 printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
245 CONFIG_SYS_PROM_SIZE);
246 printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
Wolfgang Denk25ddd1f2010-10-26 14:34:52 +0200247 GENERATED_GBL_DATA_SIZE);
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100248#endif
249
250#ifdef CONFIG_POST
251 post_bootmode_init();
252 post_run(NULL, POST_ROM | post_bootmode_get(0));
253#endif
254
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200255#if defined(CONFIG_NEEDS_MANUAL_RELOC)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100256 /*
257 * We have to relocate the command table manually
258 */
Heiko Schocher620f1f62010-09-17 13:10:33 +0200259 fixup_cmdtable(&__u_boot_cmd_start,
260 (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
Wolfgang Denk2e5167c2010-10-28 20:00:11 +0200261#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100262
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200263#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100264 puts("AMBA:\n");
265 do_ambapp_print(NULL, 0, 0, NULL);
266#endif
267
268 /* initialize higher level parts of CPU like time base and timers */
269 cpu_init_r();
270
271 /* start timer */
272 timer_interrupt_init();
273
274 /*
275 * Enable Interrupts before any calls to udelay,
276 * the flash driver may use udelay resulting in
277 * a hang if not timer0 IRQ is enabled.
278 */
279 interrupt_init();
280
Peter Tyserd4e8ada2009-08-21 23:05:21 -0500281 /* The Malloc area is immediately below the monitor copy in RAM */
Peter Tysera483a162009-08-21 23:05:20 -0500282 mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
283 CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
Stefan Roesec790b042009-05-11 15:50:12 +0200284 malloc_bin_reloc();
285
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200286#if !defined(CONFIG_SYS_NO_FLASH)
Peter Tysereddf52b2010-12-28 18:12:05 -0600287 puts("Flash: ");
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100288
289 if ((flash_size = flash_init()) > 0) {
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200290# ifdef CONFIG_SYS_FLASH_CHECKSUM
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100291 print_size(flash_size, "");
292 /*
293 * Compute and print flash CRC if flashchecksum is set to 'y'
294 *
295 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
296 */
297 s = getenv("flashchecksum");
298 if (s && (*s == 'y')) {
299 printf(" CRC: %08lX",
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200300 crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100301 flash_size)
302 );
303 }
304 putc('\n');
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200305# else /* !CONFIG_SYS_FLASH_CHECKSUM */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100306 print_size(flash_size, "\n");
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200307# endif /* CONFIG_SYS_FLASH_CHECKSUM */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100308 } else {
309 puts(failed);
310 hang();
311 }
312
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200313 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100314 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200315#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100316 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
317#else
318 bd->bi_flashoffset = 0;
319#endif
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200320#else /* CONFIG_SYS_NO_FLASH */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100321 bd->bi_flashsize = 0;
322 bd->bi_flashstart = 0;
323 bd->bi_flashoffset = 0;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200324#endif /* !CONFIG_SYS_NO_FLASH */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100325
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100326#ifdef CONFIG_SPI
Jean-Christophe PLAGNIOL-VILLARDbb1f8b42008-09-05 09:19:30 +0200327# if !defined(CONFIG_ENV_IS_IN_EEPROM)
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100328 spi_init_f();
329# endif
330 spi_init_r();
331#endif
332
333 /* relocate environment function pointers etc. */
334 env_relocate();
335
336#if defined(CONFIG_BOARD_LATE_INIT)
337 board_late_init();
338#endif
339
Jean-Christophe PLAGNIOL-VILLARD32628c52008-08-30 23:54:58 +0200340#ifdef CONFIG_ID_EEPROM
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100341 mac_read_from_eeprom();
342#endif
343
344 /* IP Address */
345 bd->bi_ip_addr = getenv_IPaddr("ipaddr");
346#if defined(CONFIG_PCI)
347 /*
348 * Do pci configuration
349 */
350 pci_init();
351#endif
352
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200353 /* Initialize stdio devices */
354 stdio_init();
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100355
356 /* Initialize the jump table for applications */
357 jumptable_init();
358
359 /* Initialize the console (after the relocation and devices init) */
360 console_init_r();
361
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100362#ifdef CONFIG_STATUS_LED
363 status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
364#endif
365
366 udelay(20);
367
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100368 /* Initialize from environment */
369 if ((s = getenv("loadaddr")) != NULL) {
370 load_addr = simple_strtoul(s, NULL, 16);
371 }
372#if defined(CONFIG_CMD_NET)
373 if ((s = getenv("bootfile")) != NULL) {
374 copy_filename(BootFile, s, sizeof(BootFile));
375 }
Stefan Roesef2302d42008-08-06 14:05:38 +0200376#endif /* CONFIG_CMD_NET */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100377
378 WATCHDOG_RESET();
379
380#if defined(CONFIG_CMD_DOC)
381 WATCHDOG_RESET();
382 puts("DOC: ");
383 doc_init();
384#endif
385
Luigi 'Comio' Mantellini310cecb2009-10-10 12:42:21 +0200386#ifdef CONFIG_BITBANGMII
387 bb_miiphy_init();
388#endif
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100389#if defined(CONFIG_CMD_NET)
390#if defined(CONFIG_NET_MULTI)
391 WATCHDOG_RESET();
392 puts("Net: ");
393#endif
394 eth_initialize(bd);
395#endif
396
397#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
398 WATCHDOG_RESET();
399 debug("Reset Ethernet PHY\n");
400 reset_phy();
401#endif
402
403#ifdef CONFIG_POST
404 post_run(NULL, POST_RAM | post_bootmode_get(0));
405#endif
406
407#if defined(CONFIG_CMD_IDE)
408 WATCHDOG_RESET();
409 puts("IDE: ");
410 ide_init();
Stefan Roesef2302d42008-08-06 14:05:38 +0200411#endif /* CONFIG_CMD_IDE */
Daniel Hellstromc2f02da2008-03-28 09:47:00 +0100412
413#ifdef CONFIG_LAST_STAGE_INIT
414 WATCHDOG_RESET();
415 /*
416 * Some parts can be only initialized if all others (like
417 * Interrupts) are up and running (i.e. the PC-style ISA
418 * keyboard).
419 */
420 last_stage_init();
421#endif
422
423#ifdef CONFIG_PS2KBD
424 puts("PS/2: ");
425 kbd_init();
426#endif
427 prom_init();
428
429 /* main_loop */
430 for (;;) {
431 WATCHDOG_RESET();
432 main_loop();
433 }
434
435}
436
437void hang(void)
438{
439 puts("### ERROR ### Please RESET the board ###\n");
440#ifdef CONFIG_SHOW_BOOT_PROGRESS
441 show_boot_progress(-30);
442#endif
443 for (;;) ;
444}
445
446/************************************************************************/