blob: 86a3b67c9899b2cba04c3979435f13e2d30cd5b9 [file] [log] [blame]
Wolfgang Denk6cb142f2006-03-12 02:12:27 +01001/*
2 * U-boot - board.c First C file to be called contains init routines
3 *
Aubrey Li155fd762007-04-05 18:31:18 +08004 * Copyright (c) 2005-2007 Analog Devices Inc.
Wolfgang Denk6cb142f2006-03-12 02:12:27 +01005 *
6 * (C) Copyright 2000-2004
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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
Aubrey Li155fd762007-04-05 18:31:18 +080024 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
25 * MA 02110-1301 USA
Wolfgang Denk6cb142f2006-03-12 02:12:27 +010026 */
27
28#include <common.h>
29#include <command.h>
30#include <malloc.h>
31#include <devices.h>
32#include <version.h>
33#include <net.h>
34#include <environment.h>
Aubrey.Li3f0606a2007-03-09 13:38:44 +080035#include <i2c.h>
Wolfgang Denk6cb142f2006-03-12 02:12:27 +010036#include "blackfin_board.h"
Aubrey.Li3f0606a2007-03-09 13:38:44 +080037#include <asm/cplb.h>
Jean-Christophe PLAGNIOL-VILLARD2439e4b2007-11-21 21:19:24 +010038#include "../drivers/net/smc91111.h"
Wolfgang Denk6cb142f2006-03-12 02:12:27 +010039
Aubrey.Li3f0606a2007-03-09 13:38:44 +080040#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
41#include <post.h>
42int post_flag;
43#endif
Wolfgang Denkd87080b2006-03-31 18:32:53 +020044
Wolfgang Denk1218abf2007-09-15 20:48:41 +020045DECLARE_GLOBAL_DATA_PTR;
46
Aubrey.Li3f0606a2007-03-09 13:38:44 +080047#ifndef CFG_NO_FLASH
Wolfgang Denk6cb142f2006-03-12 02:12:27 +010048extern flash_info_t flash_info[];
Aubrey.Li3f0606a2007-03-09 13:38:44 +080049#endif
Wolfgang Denk6cb142f2006-03-12 02:12:27 +010050
Aubrey.Li3f0606a2007-03-09 13:38:44 +080051static inline u_long get_vco(void)
52{
53 u_long msel;
54 u_long vco;
55
56 msel = (*pPLL_CTL >> 9) & 0x3F;
57 if (0 == msel)
58 msel = 64;
59
60 vco = CONFIG_CLKIN_HZ;
61 vco >>= (1 & *pPLL_CTL); /* DF bit */
62 vco = msel * vco;
63 return vco;
64}
65
66/*Get the Core clock*/
67u_long get_cclk(void)
68{
69 u_long csel, ssel;
70 if (*pPLL_STAT & 0x1)
71 return CONFIG_CLKIN_HZ;
72
73 ssel = *pPLL_DIV;
74 csel = ((ssel >> 4) & 0x03);
75 ssel &= 0xf;
76 if (ssel && ssel < (1 << csel)) /* SCLK > CCLK */
77 return get_vco() / ssel;
78 return get_vco() >> csel;
79}
80
81/* Get the System clock */
82u_long get_sclk(void)
83{
84 u_long ssel;
85
86 if (*pPLL_STAT & 0x1)
87 return CONFIG_CLKIN_HZ;
88
89 ssel = (*pPLL_DIV & 0xf);
90
91 return get_vco() / ssel;
92}
Wolfgang Denk6cb142f2006-03-12 02:12:27 +010093
94static void mem_malloc_init(void)
95{
96 mem_malloc_start = CFG_MALLOC_BASE;
97 mem_malloc_end = (CFG_MALLOC_BASE + CFG_MALLOC_LEN);
98 mem_malloc_brk = mem_malloc_start;
Aubrey.Li3f0606a2007-03-09 13:38:44 +080099 memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100100}
101
102void *sbrk(ptrdiff_t increment)
103{
104 ulong old = mem_malloc_brk;
105 ulong new = old + increment;
106
107 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
108 return (NULL);
109 }
110 mem_malloc_brk = new;
111
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800112 return ((void *)old);
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100113}
114
115static int display_banner(void)
116{
117 sprintf(version_string, VERSION_STRING_FORMAT, VERSION_STRING);
118 printf("%s\n", version_string);
119 return (0);
120}
121
122static void display_flash_config(ulong size)
123{
124 puts("FLASH: ");
125 print_size(size, "\n");
126 return;
127}
128
129static int init_baudrate(void)
130{
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800131 char tmp[64];
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100132 int i = getenv_r("baudrate", tmp, sizeof(tmp));
133 gd->bd->bi_baudrate = gd->baudrate = (i > 0)
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800134 ? (int)simple_strtoul(tmp, NULL, 10)
135 : CONFIG_BAUDRATE;
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100136 return (0);
137}
138
139#ifdef DEBUG
140static void display_global_data(void)
141{
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100142 bd_t *bd;
143 bd = gd->bd;
144 printf("--flags:%x\n", gd->flags);
145 printf("--board_type:%x\n", gd->board_type);
146 printf("--baudrate:%x\n", gd->baudrate);
147 printf("--have_console:%x\n", gd->have_console);
148 printf("--ram_size:%x\n", gd->ram_size);
149 printf("--reloc_off:%x\n", gd->reloc_off);
150 printf("--env_addr:%x\n", gd->env_addr);
151 printf("--env_valid:%x\n", gd->env_valid);
152 printf("--bd:%x %x\n", gd->bd, bd);
153 printf("---bi_baudrate:%x\n", bd->bi_baudrate);
154 printf("---bi_ip_addr:%x\n", bd->bi_ip_addr);
155 printf("---bi_enetaddr:%x %x %x %x %x %x\n",
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800156 bd->bi_enetaddr[0],
157 bd->bi_enetaddr[1],
158 bd->bi_enetaddr[2],
159 bd->bi_enetaddr[3], bd->bi_enetaddr[4], bd->bi_enetaddr[5]);
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100160 printf("---bi_arch_number:%x\n", bd->bi_arch_number);
161 printf("---bi_boot_params:%x\n", bd->bi_boot_params);
162 printf("---bi_memstart:%x\n", bd->bi_memstart);
163 printf("---bi_memsize:%x\n", bd->bi_memsize);
164 printf("---bi_flashstart:%x\n", bd->bi_flashstart);
165 printf("---bi_flashsize:%x\n", bd->bi_flashsize);
166 printf("---bi_flashoffset:%x\n", bd->bi_flashoffset);
167 printf("--jt:%x *:%x\n", gd->jt, *(gd->jt));
168}
169#endif
170
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800171/* we cover everything with 4 meg pages, and need an extra for L1 */
172unsigned int icplb_table[page_descriptor_table_size][2];
173unsigned int dcplb_table[page_descriptor_table_size][2];
174
175void init_cplbtables(void)
176{
177 int i, j;
178
179 j = 0;
180 icplb_table[j][0] = 0xFFA00000;
181 icplb_table[j][1] = L1_IMEMORY;
182 j++;
183
Aubrey Li7b7e30a2007-04-05 18:33:04 +0800184 for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) {
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800185 icplb_table[j][0] = (i * 4 * 1024 * 1024);
186 if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
187 && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
188 icplb_table[j][1] = SDRAM_IKERNEL;
189 } else {
190 icplb_table[j][1] = SDRAM_IGENERIC;
191 }
192 j++;
193 }
194#if defined(CONFIG_BF561)
Aubrey Li7b7e30a2007-04-05 18:33:04 +0800195 /* MAC space */
196 icplb_table[j][0] = 0x2C000000;
197 icplb_table[j][1] = SDRAM_INON_CHBL;
198 j++;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800199 /* Async Memory space */
200 for (i = 0; i < 3; i++) {
Aubrey Li7b7e30a2007-04-05 18:33:04 +0800201 icplb_table[j][0] = 0x20000000 + i * 4 * 1024 * 1024;
202 icplb_table[j][1] = SDRAM_INON_CHBL;
203 j++;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800204 }
205#else
206 icplb_table[j][0] = 0x20000000;
Aubrey Li7b7e30a2007-04-05 18:33:04 +0800207 icplb_table[j][1] = SDRAM_INON_CHBL;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800208#endif
209 j = 0;
210 dcplb_table[j][0] = 0xFF800000;
211 dcplb_table[j][1] = L1_DMEMORY;
212 j++;
213
214 for (i = 0; i < CONFIG_MEM_SIZE / 4; i++) {
215 dcplb_table[j][0] = (i * 4 * 1024 * 1024);
216 if (i * 4 * 1024 * 1024 <= CFG_MONITOR_BASE
217 && (i + 1) * 4 * 1024 * 1024 >= CFG_MONITOR_BASE) {
218 dcplb_table[j][1] = SDRAM_DKERNEL;
219 } else {
220 dcplb_table[j][1] = SDRAM_DGENERIC;
221 }
222 j++;
223 }
224
225#if defined(CONFIG_BF561)
226 /* MAC space */
Aubrey Li7b7e30a2007-04-05 18:33:04 +0800227 dcplb_table[j][0] = 0x2C000000;
228 dcplb_table[j][1] = SDRAM_EBIU;
229 j++;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800230
231 /* Flash space */
Aubrey Li7b7e30a2007-04-05 18:33:04 +0800232 for (i = 0; i < 3; i++) {
233 dcplb_table[j][0] = 0x20000000 + i * 4 * 1024 * 1024;
234 dcplb_table[j][1] = SDRAM_EBIU;
235 j++;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800236 }
237#else
238 dcplb_table[j][0] = 0x20000000;
239 dcplb_table[j][1] = SDRAM_EBIU;
240#endif
241}
242
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100243/*
244 * All attempts to come up with a "common" initialization sequence
245 * that works for all boards and architectures failed: some of the
246 * requirements are just _too_ different. To get rid of the resulting
247 * mess of board dependend #ifdef'ed code we now make the whole
248 * initialization sequence configurable to the user.
249 *
250 * The requirements for any new initalization function is simple: it
251 * receives a pointer to the "global data" structure as it's only
252 * argument, and returns an integer return code, where 0 means
253 * "continue" and != 0 means "fatal error, hang the system".
254 */
255
256void board_init_f(ulong bootflag)
257{
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100258 ulong addr;
259 bd_t *bd;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800260 int i;
261
262 init_cplbtables();
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100263
264 gd = (gd_t *) (CFG_GBL_DATA_ADDR);
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800265 memset((void *)gd, 0, sizeof(gd_t));
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100266
267 /* Board data initialization */
268 addr = (CFG_GBL_DATA_ADDR + sizeof(gd_t));
269
270 /* Align to 4 byte boundary */
Wolfgang Denk8e7b7032006-03-12 02:55:22 +0100271 addr &= ~(4 - 1);
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800272 bd = (bd_t *) addr;
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100273 gd->bd = bd;
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800274 memset((void *)bd, 0, sizeof(bd_t));
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100275
276 /* Initialize */
277 init_IRQ();
278 env_init(); /* initialize environment */
279 init_baudrate(); /* initialze baudrate settings */
280 serial_init(); /* serial communications setup */
281 console_init_f();
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800282#ifdef CONFIG_ICACHE_ON
283 icache_enable();
284#endif
285#ifdef CONFIG_DCACHE_ON
286 dcache_enable();
287#endif
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100288 display_banner(); /* say that we are here */
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800289
290 for (i = 0; i < page_descriptor_table_size; i++) {
Aubrey Li8440bb12007-03-12 00:25:14 +0800291 debug
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800292 ("data (%02i)= 0x%08x : 0x%08x intr = 0x%08x : 0x%08x\n",
293 i, dcplb_table[i][0], dcplb_table[i][1], icplb_table[i][0],
294 icplb_table[i][1]);
295 }
296
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100297 checkboard();
Jon Loeliger67350562007-07-09 18:05:38 -0500298#if defined(CONFIG_RTC_BF533) && defined(CONFIG_CMD_DATE)
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100299 rtc_init();
300#endif
301 timer_init();
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800302 printf("Clock: VCO: %lu MHz, Core: %lu MHz, System: %lu MHz\n",
303 get_vco() / 1000000, get_cclk() / 1000000, get_sclk() / 1000000);
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100304 printf("SDRAM: ");
305 print_size(initdram(0), "\n");
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800306#if defined(CONFIG_BF537)&&defined(CONFIG_POST)
307 post_init_f();
308 post_bootmode_init();
309 post_run(NULL, POST_ROM | post_bootmode_get(0));
310#endif
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100311 board_init_r((gd_t *) gd, 0x20000010);
312}
313
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800314#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
315static int init_func_i2c(void)
316{
317 puts("I2C: ");
318 i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
319 puts("ready\n");
320 return (0);
321}
322#endif
323
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100324void board_init_r(gd_t * id, ulong dest_addr)
325{
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100326 ulong size;
327 extern void malloc_bin_reloc(void);
328 char *s, *e;
329 bd_t *bd;
330 int i;
331 gd = id;
332 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
333 bd = gd->bd;
334
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800335#if defined(CONFIG_BF537) && defined(CONFIG_POST)
336 post_output_backlog();
337 post_reloc();
338#endif
339
340#if (CONFIG_STAMP || CONFIG_BF537 || CONFIG_EZKIT561) && !defined(CFG_NO_FLASH)
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100341 /* There are some other pointer constants we must deal with */
342 /* configure available FLASH banks */
343 size = flash_init();
344 display_flash_config(size);
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800345 flash_protect(FLAG_PROTECT_SET, CFG_FLASH_BASE,
346 CFG_FLASH_BASE + 0x1ffff, &flash_info[0]);
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100347 bd->bi_flashstart = CFG_FLASH_BASE;
348 bd->bi_flashsize = size;
349 bd->bi_flashoffset = 0;
350#else
351 bd->bi_flashstart = 0;
352 bd->bi_flashsize = 0;
353 bd->bi_flashoffset = 0;
354#endif
355 /* initialize malloc() area */
356 mem_malloc_init();
357 malloc_bin_reloc();
358
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800359#ifdef CONFIG_SPI
360# if ! defined(CFG_ENV_IS_IN_EEPROM)
361 spi_init_f();
362# endif
363 spi_init_r();
364#endif
365
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100366 /* relocate environment function pointers etc. */
367 env_relocate();
368
369 /* board MAC address */
370 s = getenv("ethaddr");
371 for (i = 0; i < 6; ++i) {
372 bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
373 if (s)
374 s = (*e) ? e + 1 : e;
375 }
376
377 /* IP Address */
378 bd->bi_ip_addr = getenv_IPaddr("ipaddr");
379
380 /* Initialize devices */
381 devices_init();
382 jumptable_init();
383
384 /* Initialize the console (after the relocation and devices init) */
385 console_init_r();
386
387 /* Initialize from environment */
388 if ((s = getenv("loadaddr")) != NULL) {
389 load_addr = simple_strtoul(s, NULL, 16);
390 }
Jon Loeliger67350562007-07-09 18:05:38 -0500391#if defined(CONFIG_CMD_NET)
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100392 if ((s = getenv("bootfile")) != NULL) {
393 copy_filename(BootFile, s, sizeof(BootFile));
394 }
395#endif
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800396
Jon Loeliger67350562007-07-09 18:05:38 -0500397#if defined(CONFIG_CMD_NAND)
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800398 puts("NAND: ");
399 nand_init(); /* go init the NAND */
400#endif
401
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100402#if defined(CONFIG_MISC_INIT_R)
403 /* miscellaneous platform dependent initialisations */
404 misc_init_r();
405#endif
406
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800407#if ((BFIN_CPU == ADSP_BF537) || (BFIN_CPU == ADSP_BF536))
408 printf("Net: ");
409 eth_initialize(bd);
410#endif
411
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100412#ifdef CONFIG_DRIVER_SMC91111
413#ifdef SHARED_RESOURCES
414 /* Switch to Ethernet */
415 swap_to(ETHERNET);
416#endif
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800417 if ((SMC_inw(BANK_SELECT) & UPPER_BYTE_MASK) != SMC_IDENT) {
418 printf("ERROR: Can't find SMC91111 at address %x\n",
419 SMC_BASE_ADDRESS);
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100420 } else {
421 printf("Net: SMC91111 at 0x%08X\n", SMC_BASE_ADDRESS);
422 }
423
424#ifdef SHARED_RESOURCES
425 swap_to(FLASH);
426#endif
427#endif
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800428#if defined(CONFIG_SOFT_I2C) || defined(CONFIG_HARD_I2C)
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100429 init_func_i2c();
430#endif
431
432#ifdef DEBUG
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800433 display_global_data();
434#endif
435
436#if defined(CONFIG_BF537) && defined(CONFIG_POST)
437 if (post_flag)
438 post_run(NULL, POST_RAM | post_bootmode_get(0));
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100439#endif
440
441 /* main_loop() can return to retry autoboot, if so just run it again. */
442 for (;;) {
443 main_loop();
444 }
445}
446
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100447void hang(void)
448{
449 puts("### ERROR ### Please RESET the board ###\n");
Aubrey.Li3f0606a2007-03-09 13:38:44 +0800450 for (;;) ;
Wolfgang Denk6cb142f2006-03-12 02:12:27 +0100451}