[people/ms/u-boot.git] / lib_sparc / board.c

/* SPARC Board initialization
 *
 * (C) Copyright 2000-2006
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * (C) Copyright 2007
 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <command.h>
#include <malloc.h>
#include <devices.h>
#include <config.h>
#if defined(CONFIG_CMD_IDE)
#include <ide.h>
#endif
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
#include <net.h>
#include <serial.h>
#include <version.h>
#if defined(CONFIG_POST)
#include <post.h>
#endif
#ifdef CONFIG_PS2KBD
#include <keyboard.h>
#endif
#ifdef CONFIG_CMD_AMBAPP
#include <ambapp.h>
#endif

DECLARE_GLOBAL_DATA_PTR;

/* Debug options
#define DEBUG_INIT_SEQUENCE
#define DEBUG_MEM_LAYOUT
#define DEBUG_COMMANDS
*/

extern void timer_interrupt_init(void);
extern void malloc_bin_reloc(void);
extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
extern int prom_init(void);

#if defined(CONFIG__CMD_DOC)
void doc_init(void);
#endif

#if !defined(CONFIG_SYS_NO_FLASH)
static char *failed = "*** failed ***\n";
#endif

#include <environment.h>

ulong monitor_flash_len;

/*
 * Begin and End of memory area for malloc(), and current "brk"
 */
static ulong mem_malloc_start = 0;
static ulong mem_malloc_end = 0;
static ulong mem_malloc_brk = 0;

/************************************************************************
 * Utilities								*
 ************************************************************************
 */

/*
 * The Malloc area is immediately below the monitor copy in RAM
 */
static void mem_malloc_init(void)
{
	mem_malloc_start = CONFIG_SYS_MALLOC_BASE;
	mem_malloc_end = CONFIG_SYS_MALLOC_END;
	mem_malloc_brk = mem_malloc_start;
	memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
}

void *sbrk(ptrdiff_t increment)
{
	ulong old = mem_malloc_brk;
	ulong new = old + increment;

	if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
		return (NULL);
	}
	mem_malloc_brk = new;
	return ((void *)old);
}

/***********************************************************************/

/************************************************************************
 * Init Utilities							*
 ************************************************************************
 * Some of this code should be moved into the core functions,
 * but let's get it working (again) first...
 */

static int init_baudrate(void)
{
	char tmp[64];		/* long enough for environment variables */
	int i = getenv_r("baudrate", tmp, sizeof(tmp));

	gd->baudrate = (i > 0)
	    ? (int)simple_strtoul(tmp, NULL, 10)
	    : CONFIG_BAUDRATE;
	return (0);
}

/***********************************************************************/

/*
 * All attempts to come up with a "common" initialization sequence
 * that works for all boards and architectures failed: some of the
 * requirements are just _too_ different. To get rid of the resulting
 * mess of board dependend #ifdef'ed code we now make the whole
 * initialization sequence configurable to the user.
 *
 * The requirements for any new initalization function is simple: it
 * receives a pointer to the "global data" structure as it's only
 * argument, and returns an integer return code, where 0 means
 * "continue" and != 0 means "fatal error, hang the system".
 */
typedef int (init_fnc_t) (void);

#define WATCHDOG_RESET(x)

/************************************************************************
 * Initialization sequence						*
 ************************************************************************
 */

init_fnc_t *init_sequence[] = {

#if defined(CONFIG_BOARD_EARLY_INIT_F)
	board_early_init_f,
#endif
	serial_init,

	init_timebase,

#if defined(CONFIG_CMD_AMBAPP)
	ambapp_init_reloc,
#endif

	env_init,

	init_baudrate,

	console_init_f,
	display_options,

	checkcpu,
	checkboard,
#if defined(CONFIG_MISC_INIT_F)
	misc_init_f,
#endif

#ifdef CONFIG_POST
	post_init_f,
#endif

	NULL,			/* Terminate this list,
				 * beware: this list will be relocated
				 * which means that NULL will become
				 * NULL+RELOC_OFFSET. We simply make
				 * NULL be -RELOC_OFFSET instead.
				 */
};

/************************************************************************
 *
 * This is the SPARC board initialization routine, running from RAM.
 *
 ************************************************************************
 */
#ifdef DEBUG_INIT_SEQUENCE
char *str_init_seq = "INIT_SEQ 00\n";
char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
#endif

void board_init_f(ulong bootflag)
{
	cmd_tbl_t *cmdtp;
	bd_t *bd;
	unsigned char *s;
	init_fnc_t **init_fnc_ptr;
	int j;
	int i;
	char *e;

#ifndef CONFIG_SYS_NO_FLASH
	ulong flash_size;
#endif

	gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);

	/* Clear initial global data */
	memset((void *)gd, 0, sizeof(gd_t));

	gd->bd = (bd_t *) (gd + 1);	/* At end of global data */
	gd->baudrate = CONFIG_BAUDRATE;
	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;

	bd = gd->bd;
	bd->bi_memstart = CONFIG_SYS_RAM_BASE;
	bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
#if	defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
	bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
#endif
	bd->bi_baudrate = CONFIG_BAUDRATE;
	bd->bi_bootflags = bootflag;	/* boot / reboot flag (for LynxOS)    */

	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
	gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;

	for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
	     ++init_fnc_ptr, j++) {
#ifdef DEBUG_INIT_SEQUENCE
		if (j > 9)
			str_init_seq[9] = '0' + (j / 10);
		str_init_seq[10] = '0' + (j - (j / 10) * 10);
		serial_puts(str_init_seq);
#endif
		if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
			hang();
		}
	}
#ifdef DEBUG_INIT_SEQUENCE
	serial_puts(str_init_seq_done);
#endif

	/*
	 * Now that we have DRAM mapped and working, we can
	 * relocate the code and continue running from DRAM.
	 *
	 * Reserve memory at end of RAM for (top down in that order):
	 *  - kernel log buffer
	 *  - protected RAM
	 *  - LCD framebuffer
	 *  - monitor code
	 *  - board info struct
	 */
#ifdef DEBUG_MEM_LAYOUT
	printf("CONFIG_SYS_MONITOR_BASE:       0x%lx\n", CONFIG_SYS_MONITOR_BASE);
	printf("CONFIG_ENV_ADDR:           0x%lx\n", CONFIG_ENV_ADDR);
	printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
	       CONFIG_SYS_MONITOR_LEN);
	printf("CONFIG_SYS_MALLOC_BASE:        0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
	       CONFIG_SYS_MALLOC_LEN);
	printf("CONFIG_SYS_INIT_SP_OFFSET:     0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
	       CONFIG_SYS_STACK_SIZE);
	printf("CONFIG_SYS_PROM_OFFSET:        0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
	       CONFIG_SYS_PROM_SIZE);
	printf("CONFIG_SYS_GBL_DATA_OFFSET:    0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
	       CONFIG_SYS_GBL_DATA_SIZE);
#endif

#ifdef CONFIG_POST
	post_bootmode_init();
	post_run(NULL, POST_ROM | post_bootmode_get(0));
#endif

	/*
	 * We have to relocate the command table manually
	 */
	for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
		ulong addr;
		addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
#if DEBUG_COMMANDS
		printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
		       cmdtp->name, (ulong) (cmdtp->cmd), addr);
#endif
		cmdtp->cmd =
		    (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;

		addr = (ulong) (cmdtp->name) + gd->reloc_off;
		cmdtp->name = (char *)addr;

		if (cmdtp->usage) {
			addr = (ulong) (cmdtp->usage) + gd->reloc_off;
			cmdtp->usage = (char *)addr;
		}
#ifdef	CONFIG_SYS_LONGHELP
		if (cmdtp->help) {
			addr = (ulong) (cmdtp->help) + gd->reloc_off;
			cmdtp->help = (char *)addr;
		}
#endif
	}

#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
	puts("AMBA:\n");
	do_ambapp_print(NULL, 0, 0, NULL);
#endif

	/* initialize higher level parts of CPU like time base and timers */
	cpu_init_r();

	/* start timer */
	timer_interrupt_init();

	/*
	 * Enable Interrupts before any calls to udelay,
	 * the flash driver may use udelay resulting in
	 * a hang if not timer0 IRQ is enabled.
	 */
	interrupt_init();

#if !defined(CONFIG_SYS_NO_FLASH)
	puts("FLASH: ");

	if ((flash_size = flash_init()) > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
		print_size(flash_size, "");
		/*
		 * Compute and print flash CRC if flashchecksum is set to 'y'
		 *
		 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
		 */
		s = getenv("flashchecksum");
		if (s && (*s == 'y')) {
			printf("  CRC: %08lX",
			       crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
				     flash_size)
			    );
		}
		putc('\n');
# else				/* !CONFIG_SYS_FLASH_CHECKSUM */
		print_size(flash_size, "\n");
# endif				/* CONFIG_SYS_FLASH_CHECKSUM */
	} else {
		puts(failed);
		hang();
	}

	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;	/* update start of FLASH memory    */
	bd->bi_flashsize = flash_size;	/* size of FLASH memory (final value) */
#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
	bd->bi_flashoffset = monitor_flash_len;	/* reserved area for startup monitor  */
#else
	bd->bi_flashoffset = 0;
#endif
#else				/* CONFIG_SYS_NO_FLASH */
	bd->bi_flashsize = 0;
	bd->bi_flashstart = 0;
	bd->bi_flashoffset = 0;
#endif				/* !CONFIG_SYS_NO_FLASH */

	/* initialize malloc() area */
	mem_malloc_init();

	malloc_bin_reloc();

#ifdef CONFIG_SPI
# if !defined(CONFIG_ENV_IS_IN_EEPROM)
	spi_init_f();
# endif
	spi_init_r();
#endif

	/* relocate environment function pointers etc. */
	env_relocate();

#if defined(CONFIG_BOARD_LATE_INIT)
	board_late_init();
#endif

#ifdef CONFIG_ID_EEPROM
	mac_read_from_eeprom();
#endif

	/* IP Address */
	bd->bi_ip_addr = getenv_IPaddr("ipaddr");
#if defined(CONFIG_PCI)
	/*
	 * Do pci configuration
	 */
	pci_init();
#endif

	/* Initialize devices */
	devices_init();

	/* Initialize the jump table for applications */
	jumptable_init();

	/* Initialize the console (after the relocation and devices init) */
	console_init_r();

#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
	serial_buffered_init();
#endif

#ifdef CONFIG_STATUS_LED
	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
#endif

	udelay(20);

	set_timer(0);

	/* Initialize from environment */
	if ((s = getenv("loadaddr")) != NULL) {
		load_addr = simple_strtoul(s, NULL, 16);
	}
#if defined(CONFIG_CMD_NET)
	if ((s = getenv("bootfile")) != NULL) {
		copy_filename(BootFile, s, sizeof(BootFile));
	}
#endif /* CONFIG_CMD_NET */

	WATCHDOG_RESET();

#if defined(CONFIG_CMD_DOC)
	WATCHDOG_RESET();
	puts("DOC:   ");
	doc_init();
#endif

#if defined(CONFIG_CMD_NET)
#if defined(CONFIG_NET_MULTI)
	WATCHDOG_RESET();
	puts("Net:   ");
#endif
	eth_initialize(bd);
#endif

#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
	WATCHDOG_RESET();
	debug("Reset Ethernet PHY\n");
	reset_phy();
#endif

#ifdef CONFIG_POST
	post_run(NULL, POST_RAM | post_bootmode_get(0));
#endif

#if defined(CONFIG_CMD_IDE)
	WATCHDOG_RESET();
	puts("IDE:   ");
	ide_init();
#endif /* CONFIG_CMD_IDE */

#ifdef CONFIG_LAST_STAGE_INIT
	WATCHDOG_RESET();
	/*
	 * Some parts can be only initialized if all others (like
	 * Interrupts) are up and running (i.e. the PC-style ISA
	 * keyboard).
	 */
	last_stage_init();
#endif

#ifdef CONFIG_PS2KBD
	puts("PS/2:  ");
	kbd_init();
#endif
	prom_init();

	/* main_loop */
	for (;;) {
		WATCHDOG_RESET();
		main_loop();
	}

}

void hang(void)
{
	puts("### ERROR ### Please RESET the board ###\n");
#ifdef CONFIG_SHOW_BOOT_PROGRESS
	show_boot_progress(-30);
#endif
	for (;;) ;
}

/************************************************************************/
Commit	Line	Data
c2f02da2 DH	1	/* 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>
	31	#include <devices.h>
	32	#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
	52	DECLARE_GLOBAL_DATA_PTR;
	53
	54	/* Debug options
	55	#define DEBUG_INIT_SEQUENCE
	56	#define DEBUG_MEM_LAYOUT
	57	#define DEBUG_COMMANDS
	58	*/
	59
	60	extern void timer_interrupt_init(void);
	61	extern void malloc_bin_reloc(void);
	62	extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
	63	extern int prom_init(void);
	64
65	#if defined(CONFIG__CMD_DOC)
66	void doc_init(void);
67	#endif
68
6d0f6bcf	69	#if !defined(CONFIG_SYS_NO_FLASH)
c2f02da2 DH	70	static char failed = " failed *\n";
	71	#endif
	72
	73	#include <environment.h>
	74
	75	ulong monitor_flash_len;
	76
	77	/*
	78	* Begin and End of memory area for malloc(), and current "brk"
	79	*/
	80	static ulong mem_malloc_start = 0;
	81	static ulong mem_malloc_end = 0;
	82	static ulong mem_malloc_brk = 0;
	83
	84	/************************************************************************
	85	* Utilities *
	86	************************************************************************
	87	*/
	88
	89	/*
	90	* The Malloc area is immediately below the monitor copy in RAM
	91	*/
	92	static void mem_malloc_init(void)
	93	{
6d0f6bcf JCPV	94	mem_malloc_start = CONFIG_SYS_MALLOC_BASE;
6d0f6bcf JCPV	95	mem_malloc_end = CONFIG_SYS_MALLOC_END;
c2f02da2 DH	96	mem_malloc_brk = mem_malloc_start;
	97	memset((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
	98	}
	99
	100	void *sbrk(ptrdiff_t increment)
	101	{
	102	ulong old = mem_malloc_brk;
	103	ulong new = old + increment;
	104
	105	if ((new < mem_malloc_start) \|\| (new > mem_malloc_end)) {
	106	return (NULL);
	107	}
	108	mem_malloc_brk = new;
	109	return ((void *)old);
	110	}
	111
	112	/***********************************************************************/
	113
	114	/************************************************************************
	115	* Init Utilities *
	116	************************************************************************
	117	* Some of this code should be moved into the core functions,
	118	* but let's get it working (again) first...
	119	*/
	120
	121	static int init_baudrate(void)
	122	{
	123	char tmp[64]; /* long enough for environment variables */
	124	int i = getenv_r("baudrate", tmp, sizeof(tmp));
	125
	126	gd->baudrate = (i > 0)
	127	? (int)simple_strtoul(tmp, NULL, 10)
	128	: CONFIG_BAUDRATE;
	129	return (0);
	130	}
	131
	132	/***********************************************************************/
	133
	134	/*
	135	* All attempts to come up with a "common" initialization sequence
	136	* that works for all boards and architectures failed: some of the
	137	* requirements are just _too_ different. To get rid of the resulting
	138	* mess of board dependend #ifdef'ed code we now make the whole
	139	* initialization sequence configurable to the user.
	140	*
	141	* The requirements for any new initalization function is simple: it
	142	* receives a pointer to the "global data" structure as it's only
	143	* argument, and returns an integer return code, where 0 means
	144	* "continue" and != 0 means "fatal error, hang the system".
	145	*/
	146	typedef int (init_fnc_t) (void);
	147
	148	#define WATCHDOG_RESET(x)
	149
	150	/************************************************************************
	151	* Initialization sequence *
	152	************************************************************************
	153	*/
	154
	155	init_fnc_t *init_sequence[] = {
	156
	157	#if defined(CONFIG_BOARD_EARLY_INIT_F)
	158	board_early_init_f,
	159	#endif
160	serial_init,
161
162	init_timebase,
163
164	#if defined(CONFIG_CMD_AMBAPP)
165	ambapp_init_reloc,
166	#endif
167
168	env_init,
169
170	init_baudrate,
171
172	console_init_f,
173	display_options,
174
175	checkcpu,
176	checkboard,
177	#if defined(CONFIG_MISC_INIT_F)
178	misc_init_f,
179	#endif
180
181	#ifdef CONFIG_POST
182	post_init_f,
183	#endif
184
185	NULL, /* Terminate this list,
186	* beware: this list will be relocated
187	* which means that NULL will become
188	* NULL+RELOC_OFFSET. We simply make
189	* NULL be -RELOC_OFFSET instead.
190	*/
191	};
192
193	/************************************************************************
194	*
195	* This is the SPARC board initialization routine, running from RAM.
196	*
197	************************************************************************
198	*/
199	#ifdef DEBUG_INIT_SEQUENCE
200	char *str_init_seq = "INIT_SEQ 00\n";
201	char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
202	#endif
203
204	void board_init_f(ulong bootflag)
205	{
206	cmd_tbl_t *cmdtp;
207	bd_t *bd;
208	unsigned char *s;
209	init_fnc_t **init_fnc_ptr;
210	int j;
211	int i;
212	char *e;
213
6d0f6bcf	214	#ifndef CONFIG_SYS_NO_FLASH
c2f02da2 DH	215	ulong flash_size;
	216	#endif
	217
6d0f6bcf	218	gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
c2f02da2 DH	219
	220	/* Clear initial global data */
	221	memset((void *)gd, 0, sizeof(gd_t));
	222
	223	gd->bd = (bd_t ) (gd + 1); / At end of global data */
	224	gd->baudrate = CONFIG_BAUDRATE;
	225	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
	226
	227	bd = gd->bd;
6d0f6bcf JCPV	228	bd->bi_memstart = CONFIG_SYS_RAM_BASE;
	229	bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
	230	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
	231	#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
	232	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
	233	bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
c2f02da2 DH	234	#endif
	235	bd->bi_baudrate = CONFIG_BAUDRATE;
	236	bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
	237
	238	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
6d0f6bcf	239	gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
c2f02da2 DH	240
	241	for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
	242	++init_fnc_ptr, j++) {
	243	#ifdef DEBUG_INIT_SEQUENCE
	244	if (j > 9)
	245	str_init_seq[9] = '0' + (j / 10);
	246	str_init_seq[10] = '0' + (j - (j / 10) * 10);
	247	serial_puts(str_init_seq);
	248	#endif
	249	if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
	250	hang();
	251	}
	252	}
	253	#ifdef DEBUG_INIT_SEQUENCE
	254	serial_puts(str_init_seq_done);
	255	#endif
	256
	257	/*
	258	* Now that we have DRAM mapped and working, we can
	259	* relocate the code and continue running from DRAM.
	260	*
	261	* Reserve memory at end of RAM for (top down in that order):
	262	* - kernel log buffer
	263	* - protected RAM
	264	* - LCD framebuffer
	265	* - monitor code
	266	* - board info struct
	267	*/
	268	#ifdef DEBUG_MEM_LAYOUT
6d0f6bcf	269	printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
0e8d1586	270	printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
6d0f6bcf JCPV	271	printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
	272	CONFIG_SYS_MONITOR_LEN);
	273	printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
	274	CONFIG_SYS_MALLOC_LEN);
	275	printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
	276	CONFIG_SYS_STACK_SIZE);
	277	printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
	278	CONFIG_SYS_PROM_SIZE);
	279	printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
	280	CONFIG_SYS_GBL_DATA_SIZE);
c2f02da2 DH	281	#endif
	282
	283	#ifdef CONFIG_POST
	284	post_bootmode_init();
	285	post_run(NULL, POST_ROM \| post_bootmode_get(0));
	286	#endif
	287
	288	/*
	289	* We have to relocate the command table manually
	290	*/
	291	for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
	292	ulong addr;
	293	addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
	294	#if DEBUG_COMMANDS
	295	printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
	296	cmdtp->name, (ulong) (cmdtp->cmd), addr);
	297	#endif
	298	cmdtp->cmd =
	299	(int ()(struct cmd_tbl_s , int, int, char *[]))addr;
	300
	301	addr = (ulong) (cmdtp->name) + gd->reloc_off;
	302	cmdtp->name = (char *)addr;
	303
	304	if (cmdtp->usage) {
	305	addr = (ulong) (cmdtp->usage) + gd->reloc_off;
	306	cmdtp->usage = (char *)addr;
	307	}
6d0f6bcf	308	#ifdef CONFIG_SYS_LONGHELP
c2f02da2 DH	309	if (cmdtp->help) {
	310	addr = (ulong) (cmdtp->help) + gd->reloc_off;
	311	cmdtp->help = (char *)addr;
	312	}
	313	#endif
	314	}
	315
6d0f6bcf	316	#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
c2f02da2 DH	317	puts("AMBA:\n");
	318	do_ambapp_print(NULL, 0, 0, NULL);
	319	#endif
	320
	321	/* initialize higher level parts of CPU like time base and timers */
	322	cpu_init_r();
	323
	324	/* start timer */
	325	timer_interrupt_init();
	326
	327	/*
	328	* Enable Interrupts before any calls to udelay,
	329	* the flash driver may use udelay resulting in
	330	* a hang if not timer0 IRQ is enabled.
	331	*/
	332	interrupt_init();
	333
6d0f6bcf	334	#if !defined(CONFIG_SYS_NO_FLASH)
c2f02da2 DH	335	puts("FLASH: ");
	336
	337	if ((flash_size = flash_init()) > 0) {
6d0f6bcf	338	# ifdef CONFIG_SYS_FLASH_CHECKSUM
c2f02da2 DH	339	print_size(flash_size, "");
	340	/*
	341	* Compute and print flash CRC if flashchecksum is set to 'y'
	342	*
	343	* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
	344	*/
	345	s = getenv("flashchecksum");
	346	if (s && (*s == 'y')) {
	347	printf(" CRC: %08lX",
6d0f6bcf	348	crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
c2f02da2 DH	349	flash_size)
	350	);
	351	}
	352	putc('\n');
6d0f6bcf	353	# else /* !CONFIG_SYS_FLASH_CHECKSUM */
c2f02da2	354	print_size(flash_size, "\n");
6d0f6bcf	355	# endif /* CONFIG_SYS_FLASH_CHECKSUM */
c2f02da2 DH	356	} else {
	357	puts(failed);
	358	hang();
	359	}
	360
6d0f6bcf	361	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
c2f02da2	362	bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
6d0f6bcf	363	#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
c2f02da2 DH	364	bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
	365	#else
	366	bd->bi_flashoffset = 0;
	367	#endif
6d0f6bcf	368	#else /* CONFIG_SYS_NO_FLASH */
c2f02da2 DH	369	bd->bi_flashsize = 0;
	370	bd->bi_flashstart = 0;
	371	bd->bi_flashoffset = 0;
6d0f6bcf	372	#endif /* !CONFIG_SYS_NO_FLASH */
c2f02da2 DH	373
	374	/* initialize malloc() area */
	375	mem_malloc_init();
	376
	377	malloc_bin_reloc();
	378
	379	#ifdef CONFIG_SPI
bb1f8b4f	380	# if !defined(CONFIG_ENV_IS_IN_EEPROM)
c2f02da2 DH	381	spi_init_f();
	382	# endif
	383	spi_init_r();
	384	#endif
	385
	386	/* relocate environment function pointers etc. */
	387	env_relocate();
	388
	389	#if defined(CONFIG_BOARD_LATE_INIT)
	390	board_late_init();
	391	#endif
	392
32628c50	393	#ifdef CONFIG_ID_EEPROM
c2f02da2 DH	394	mac_read_from_eeprom();
	395	#endif
	396
	397	/* IP Address */
	398	bd->bi_ip_addr = getenv_IPaddr("ipaddr");
	399	#if defined(CONFIG_PCI)
	400	/*
	401	* Do pci configuration
	402	*/
	403	pci_init();
	404	#endif
	405
	406	/* Initialize devices */
	407	devices_init();
	408
	409	/* Initialize the jump table for applications */
	410	jumptable_init();
	411
	412	/* Initialize the console (after the relocation and devices init) */
	413	console_init_r();
	414
	415	#ifdef CONFIG_SERIAL_SOFTWARE_FIFO
	416	serial_buffered_init();
	417	#endif
	418
	419	#ifdef CONFIG_STATUS_LED
	420	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
	421	#endif
	422
	423	udelay(20);
	424
	425	set_timer(0);
	426
	427	/* Initialize from environment */
	428	if ((s = getenv("loadaddr")) != NULL) {
	429	load_addr = simple_strtoul(s, NULL, 16);
	430	}
	431	#if defined(CONFIG_CMD_NET)
	432	if ((s = getenv("bootfile")) != NULL) {
	433	copy_filename(BootFile, s, sizeof(BootFile));
	434	}
f2302d44	435	#endif /* CONFIG_CMD_NET */
c2f02da2 DH	436
	437	WATCHDOG_RESET();
	438
	439	#if defined(CONFIG_CMD_DOC)
	440	WATCHDOG_RESET();
	441	puts("DOC: ");
	442	doc_init();
	443	#endif
	444
	445	#if defined(CONFIG_CMD_NET)
	446	#if defined(CONFIG_NET_MULTI)
	447	WATCHDOG_RESET();
	448	puts("Net: ");
	449	#endif
	450	eth_initialize(bd);
	451	#endif
	452
	453	#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
	454	WATCHDOG_RESET();
	455	debug("Reset Ethernet PHY\n");
	456	reset_phy();
	457	#endif
	458
	459	#ifdef CONFIG_POST
	460	post_run(NULL, POST_RAM \| post_bootmode_get(0));
	461	#endif
	462
	463	#if defined(CONFIG_CMD_IDE)
	464	WATCHDOG_RESET();
	465	puts("IDE: ");
	466	ide_init();
f2302d44	467	#endif /* CONFIG_CMD_IDE */
c2f02da2 DH	468
	469	#ifdef CONFIG_LAST_STAGE_INIT
	470	WATCHDOG_RESET();
	471	/*
	472	* Some parts can be only initialized if all others (like
	473	* Interrupts) are up and running (i.e. the PC-style ISA
	474	* keyboard).
	475	*/
	476	last_stage_init();
	477	#endif
	478
	479	#ifdef CONFIG_PS2KBD
	480	puts("PS/2: ");
	481	kbd_init();
	482	#endif
	483	prom_init();
	484
	485	/* main_loop */
	486	for (;;) {
	487	WATCHDOG_RESET();
	488	main_loop();
	489	}
	490
	491	}
	492
	493	void hang(void)
	494	{
	495	puts("### ERROR ### Please RESET the board ###\n");
	496	#ifdef CONFIG_SHOW_BOOT_PROGRESS
	497	show_boot_progress(-30);
	498	#endif
	499	for (;;) ;
	500	}
	501
	502	/************************************************************************/