blob: 10475d10827922f1dc76fe5c9c8ff7f56807877f [file] [log] [blame]
Daniel Hellstrom9d7c6b22008-03-28 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 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02009 * SPDX-License-Identifier: GPL-2.0+
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010010 */
11
12#include <common.h>
13#include <command.h>
Simon Glassa73bda42015-11-08 23:47:45 -070014#include <console.h>
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010015#include <malloc.h>
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020016#include <stdio_dev.h>
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010017#include <config.h>
18#if defined(CONFIG_CMD_IDE)
19#include <ide.h>
20#endif
21#ifdef CONFIG_STATUS_LED
22#include <status_led.h>
23#endif
24#include <net.h>
25#include <serial.h>
26#include <version.h>
27#if defined(CONFIG_POST)
28#include <post.h>
29#endif
30#ifdef CONFIG_PS2KBD
31#include <keyboard.h>
32#endif
33#ifdef CONFIG_CMD_AMBAPP
34#include <ambapp.h>
35#endif
36
Luigi 'Comio' Mantellini01db1552009-10-10 12:42:21 +020037#ifdef CONFIG_BITBANGMII
38#include <miiphy.h>
39#endif
40
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010041DECLARE_GLOBAL_DATA_PTR;
42
43/* Debug options
44#define DEBUG_INIT_SEQUENCE
45#define DEBUG_MEM_LAYOUT
46#define DEBUG_COMMANDS
47*/
48
49extern void timer_interrupt_init(void);
Wolfgang Denk6262d0212010-06-28 22:00:46 +020050extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]);
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010051extern int prom_init(void);
52
53#if defined(CONFIG__CMD_DOC)
54void doc_init(void);
55#endif
56
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +020057#if !defined(CONFIG_SYS_NO_FLASH)
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010058static char *failed = "*** failed ***\n";
59#endif
60
61#include <environment.h>
62
63ulong monitor_flash_len;
64
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010065/************************************************************************
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010066 * Init Utilities *
67 ************************************************************************
68 * Some of this code should be moved into the core functions,
69 * but let's get it working (again) first...
70 */
71
72static int init_baudrate(void)
73{
Simon Glassc131e522011-10-13 14:43:13 +000074 gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
75 return 0;
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +010076}
77
78/***********************************************************************/
79
80/*
81 * All attempts to come up with a "common" initialization sequence
82 * that works for all boards and architectures failed: some of the
83 * requirements are just _too_ different. To get rid of the resulting
84 * mess of board dependend #ifdef'ed code we now make the whole
85 * initialization sequence configurable to the user.
86 *
87 * The requirements for any new initalization function is simple: it
88 * receives a pointer to the "global data" structure as it's only
89 * argument, and returns an integer return code, where 0 means
90 * "continue" and != 0 means "fatal error, hang the system".
91 */
92typedef int (init_fnc_t) (void);
93
94#define WATCHDOG_RESET(x)
95
96/************************************************************************
97 * Initialization sequence *
98 ************************************************************************
99 */
100
101init_fnc_t *init_sequence[] = {
102
103#if defined(CONFIG_BOARD_EARLY_INIT_F)
104 board_early_init_f,
105#endif
106 serial_init,
107
108 init_timebase,
109
110#if defined(CONFIG_CMD_AMBAPP)
111 ambapp_init_reloc,
112#endif
113
114 env_init,
115
116 init_baudrate,
117
118 console_init_f,
119 display_options,
120
121 checkcpu,
122 checkboard,
123#if defined(CONFIG_MISC_INIT_F)
124 misc_init_f,
125#endif
126
127#ifdef CONFIG_POST
128 post_init_f,
129#endif
130
131 NULL, /* Terminate this list,
132 * beware: this list will be relocated
133 * which means that NULL will become
134 * NULL+RELOC_OFFSET. We simply make
135 * NULL be -RELOC_OFFSET instead.
136 */
137};
138
139/************************************************************************
140 *
141 * This is the SPARC board initialization routine, running from RAM.
142 *
143 ************************************************************************
144 */
145#ifdef DEBUG_INIT_SEQUENCE
146char *str_init_seq = "INIT_SEQ 00\n";
147char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
148#endif
149
150void board_init_f(ulong bootflag)
151{
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100152 bd_t *bd;
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100153 init_fnc_t **init_fnc_ptr;
154 int j;
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100155
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200156#ifndef CONFIG_SYS_NO_FLASH
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100157 ulong flash_size;
158#endif
159
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200160 gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100161
162 /* Clear initial global data */
163 memset((void *)gd, 0, sizeof(gd_t));
164
165 gd->bd = (bd_t *) (gd + 1); /* At end of global data */
166 gd->baudrate = CONFIG_BAUDRATE;
167 gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
168
169 bd = gd->bd;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200170 bd->bi_memstart = CONFIG_SYS_RAM_BASE;
171 bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
172 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
173#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
174 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
175 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100176#endif
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100177 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
178
179 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200180 gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100181
182 for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
183 ++init_fnc_ptr, j++) {
184#ifdef DEBUG_INIT_SEQUENCE
185 if (j > 9)
186 str_init_seq[9] = '0' + (j / 10);
187 str_init_seq[10] = '0' + (j - (j / 10) * 10);
188 serial_puts(str_init_seq);
189#endif
190 if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
191 hang();
192 }
193 }
194#ifdef DEBUG_INIT_SEQUENCE
195 serial_puts(str_init_seq_done);
196#endif
197
198 /*
199 * Now that we have DRAM mapped and working, we can
200 * relocate the code and continue running from DRAM.
201 *
202 * Reserve memory at end of RAM for (top down in that order):
203 * - kernel log buffer
204 * - protected RAM
205 * - LCD framebuffer
206 * - monitor code
207 * - board info struct
208 */
209#ifdef DEBUG_MEM_LAYOUT
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200210 printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
Jean-Christophe PLAGNIOL-VILLARD7e1cda62008-09-10 22:48:06 +0200211 printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200212 printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
213 CONFIG_SYS_MONITOR_LEN);
214 printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
215 CONFIG_SYS_MALLOC_LEN);
216 printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
217 CONFIG_SYS_STACK_SIZE);
218 printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
219 CONFIG_SYS_PROM_SIZE);
220 printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
Wolfgang Denk0191e472010-10-26 14:34:52 +0200221 GENERATED_GBL_DATA_SIZE);
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100222#endif
223
224#ifdef CONFIG_POST
225 post_bootmode_init();
226 post_run(NULL, POST_ROM | post_bootmode_get(0));
227#endif
228
Wolfgang Denkd0813e52010-10-28 20:00:11 +0200229#if defined(CONFIG_NEEDS_MANUAL_RELOC)
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100230 /*
231 * We have to relocate the command table manually
232 */
Marek Vasut69c5e342012-10-12 10:27:04 +0000233 fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd),
234 ll_entry_count(cmd_tbl_t, cmd));
Wolfgang Denkd0813e52010-10-28 20:00:11 +0200235#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100236
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200237#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100238 puts("AMBA:\n");
239 do_ambapp_print(NULL, 0, 0, NULL);
240#endif
241
242 /* initialize higher level parts of CPU like time base and timers */
243 cpu_init_r();
244
245 /* start timer */
246 timer_interrupt_init();
247
248 /*
249 * Enable Interrupts before any calls to udelay,
250 * the flash driver may use udelay resulting in
251 * a hang if not timer0 IRQ is enabled.
252 */
253 interrupt_init();
254
Peter Tyser781c9b82009-08-21 23:05:21 -0500255 /* The Malloc area is immediately below the monitor copy in RAM */
Peter Tysered527702009-08-21 23:05:20 -0500256 mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
257 CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
Stefan Roeseb81464e2009-05-11 15:50:12 +0200258
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200259#if !defined(CONFIG_SYS_NO_FLASH)
Peter Tyser0b5a2632010-12-28 18:12:05 -0600260 puts("Flash: ");
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100261
262 if ((flash_size = flash_init()) > 0) {
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200263# ifdef CONFIG_SYS_FLASH_CHECKSUM
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100264 print_size(flash_size, "");
265 /*
266 * Compute and print flash CRC if flashchecksum is set to 'y'
267 *
268 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
269 */
Joe Hershberger864ec562012-12-11 22:16:22 -0600270 if (getenv_yesno("flashchecksum") == 1) {
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100271 printf(" CRC: %08lX",
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200272 crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100273 flash_size)
274 );
275 }
276 putc('\n');
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200277# else /* !CONFIG_SYS_FLASH_CHECKSUM */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100278 print_size(flash_size, "\n");
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200279# endif /* CONFIG_SYS_FLASH_CHECKSUM */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100280 } else {
281 puts(failed);
282 hang();
283 }
284
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200285 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100286 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200287#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100288 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
289#else
290 bd->bi_flashoffset = 0;
291#endif
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200292#else /* CONFIG_SYS_NO_FLASH */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100293 bd->bi_flashsize = 0;
294 bd->bi_flashstart = 0;
295 bd->bi_flashoffset = 0;
Jean-Christophe PLAGNIOL-VILLARD03836942008-10-16 15:01:15 +0200296#endif /* !CONFIG_SYS_NO_FLASH */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100297
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100298#ifdef CONFIG_SPI
Jean-Christophe PLAGNIOL-VILLARDe46af642008-09-05 09:19:30 +0200299# if !defined(CONFIG_ENV_IS_IN_EEPROM)
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100300 spi_init_f();
301# endif
302 spi_init_r();
303#endif
304
305 /* relocate environment function pointers etc. */
306 env_relocate();
307
308#if defined(CONFIG_BOARD_LATE_INIT)
309 board_late_init();
310#endif
311
Jean-Christophe PLAGNIOL-VILLARD8349c722008-08-30 23:54:58 +0200312#ifdef CONFIG_ID_EEPROM
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100313 mac_read_from_eeprom();
314#endif
315
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100316#if defined(CONFIG_PCI)
317 /*
318 * Do pci configuration
319 */
320 pci_init();
321#endif
322
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +0200323 /* Initialize stdio devices */
324 stdio_init();
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100325
326 /* Initialize the jump table for applications */
327 jumptable_init();
328
329 /* Initialize the console (after the relocation and devices init) */
330 console_init_r();
331
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100332#ifdef CONFIG_STATUS_LED
333 status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
334#endif
335
336 udelay(20);
337
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100338 /* Initialize from environment */
Simon Glassc131e522011-10-13 14:43:13 +0000339 load_addr = getenv_ulong("loadaddr", 16, load_addr);
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100340
341 WATCHDOG_RESET();
342
343#if defined(CONFIG_CMD_DOC)
344 WATCHDOG_RESET();
345 puts("DOC: ");
346 doc_init();
347#endif
348
Luigi 'Comio' Mantellini01db1552009-10-10 12:42:21 +0200349#ifdef CONFIG_BITBANGMII
350 bb_miiphy_init();
351#endif
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100352#if defined(CONFIG_CMD_NET)
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100353 WATCHDOG_RESET();
354 puts("Net: ");
Joe Hershberger3dbe17e2015-03-22 17:09:06 -0500355 eth_initialize();
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100356#endif
357
358#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
359 WATCHDOG_RESET();
360 debug("Reset Ethernet PHY\n");
361 reset_phy();
362#endif
363
364#ifdef CONFIG_POST
365 post_run(NULL, POST_RAM | post_bootmode_get(0));
366#endif
367
368#if defined(CONFIG_CMD_IDE)
369 WATCHDOG_RESET();
370 puts("IDE: ");
371 ide_init();
Stefan Roese37628252008-08-06 14:05:38 +0200372#endif /* CONFIG_CMD_IDE */
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100373
374#ifdef CONFIG_LAST_STAGE_INIT
375 WATCHDOG_RESET();
376 /*
377 * Some parts can be only initialized if all others (like
378 * Interrupts) are up and running (i.e. the PC-style ISA
379 * keyboard).
380 */
381 last_stage_init();
382#endif
383
384#ifdef CONFIG_PS2KBD
385 puts("PS/2: ");
386 kbd_init();
387#endif
388 prom_init();
389
390 /* main_loop */
391 for (;;) {
392 WATCHDOG_RESET();
393 main_loop();
394 }
395
396}
397
Daniel Hellstrom9d7c6b22008-03-28 09:47:00 +0100398/************************************************************************/