[people/ms/u-boot.git] / arch / sparc / lib / 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 <stdio_dev.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

#ifdef CONFIG_BITBANGMII
#include <miiphy.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 * const 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;

/************************************************************************
 * 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)
{
	gd->baudrate = getenv_ulong("baudrate", 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)
{
	bd_t *bd;
	unsigned char *s;
	init_fnc_t **init_fnc_ptr;
	int j;

#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,
	       GENERATED_GBL_DATA_SIZE);
#endif

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

#if defined(CONFIG_NEEDS_MANUAL_RELOC)
	/*
	 * We have to relocate the command table manually
	 */
	fixup_cmdtable(&__u_boot_cmd_start,
		(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */

#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();

	/* The Malloc area is immediately below the monitor copy in RAM */
	mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
			CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
	malloc_bin_reloc();

#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 */

#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 stdio devices */
	stdio_init();

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

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

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

	udelay(20);

	/* Initialize from environment */
	load_addr = getenv_ulong("loadaddr", 16, load_addr);
#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

#ifdef CONFIG_BITBANGMII
	bb_miiphy_init();
#endif
#if defined(CONFIG_CMD_NET)
	WATCHDOG_RESET();
	puts("Net:   ");
	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_error(BOOTSTAGE_ID_NEED_RESET);
#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>
52cb4d4f	31	#include <stdio_dev.h>
c2f02da2 DH	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
310cecb8 LCM	52	#ifdef CONFIG_BITBANGMII
	53	#include <miiphy.h>
	54	#endif
	55
c2f02da2 DH	56	DECLARE_GLOBAL_DATA_PTR;
	57
	58	/* Debug options
	59	#define DEBUG_INIT_SEQUENCE
	60	#define DEBUG_MEM_LAYOUT
	61	#define DEBUG_COMMANDS
	62	*/
	63
	64	extern void timer_interrupt_init(void);
	65	extern void malloc_bin_reloc(void);
54841ab5	66	extern int do_ambapp_print(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]);
c2f02da2 DH	67	extern int prom_init(void);
	68
	69	#if defined(CONFIG__CMD_DOC)
	70	void doc_init(void);
	71	#endif
	72
6d0f6bcf	73	#if !defined(CONFIG_SYS_NO_FLASH)
c2f02da2 DH	74	static char failed = " failed *\n";
	75	#endif
	76
	77	#include <environment.h>
	78
	79	ulong monitor_flash_len;
	80
c2f02da2 DH	81	/************************************************************************
	82	* 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
	88	static int init_baudrate(void)
	89	{
74593743 SG	90	gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
74593743 SG	91	return 0;
c2f02da2 DH	92	}
	93
	94	/***********************************************************************/
	95
	96	/*
	97	* All attempts to come up with a "common" initialization sequence
	98	* that works for all boards and architectures failed: some of the
	99	* requirements are just _too_ different. To get rid of the resulting
	100	* mess of board dependend #ifdef'ed code we now make the whole
	101	* initialization sequence configurable to the user.
	102	*
	103	* The requirements for any new initalization function is simple: it
	104	* receives a pointer to the "global data" structure as it's only
	105	* argument, and returns an integer return code, where 0 means
	106	* "continue" and != 0 means "fatal error, hang the system".
	107	*/
	108	typedef int (init_fnc_t) (void);
	109
	110	#define WATCHDOG_RESET(x)
	111
	112	/************************************************************************
	113	* Initialization sequence *
	114	************************************************************************
	115	*/
	116
	117	init_fnc_t *init_sequence[] = {
	118
	119	#if defined(CONFIG_BOARD_EARLY_INIT_F)
	120	board_early_init_f,
	121	#endif
	122	serial_init,
	123
	124	init_timebase,
	125
	126	#if defined(CONFIG_CMD_AMBAPP)
	127	ambapp_init_reloc,
	128	#endif
	129
	130	env_init,
	131
	132	init_baudrate,
	133
	134	console_init_f,
	135	display_options,
	136
	137	checkcpu,
	138	checkboard,
	139	#if defined(CONFIG_MISC_INIT_F)
	140	misc_init_f,
	141	#endif
	142
	143	#ifdef CONFIG_POST
	144	post_init_f,
	145	#endif
	146
	147	NULL, /* Terminate this list,
	148	* beware: this list will be relocated
	149	* which means that NULL will become
	150	* NULL+RELOC_OFFSET. We simply make
	151	* NULL be -RELOC_OFFSET instead.
	152	*/
	153	};
	154
	155	/************************************************************************
156	*
157	* This is the SPARC board initialization routine, running from RAM.
158	*
159	************************************************************************
160	*/
161	#ifdef DEBUG_INIT_SEQUENCE
162	char *str_init_seq = "INIT_SEQ 00\n";
163	char *str_init_seq_done = "\n\rInit sequence done...\r\n\r\n";
164	#endif
165
166	void board_init_f(ulong bootflag)
167	{
c2f02da2 DH	168	bd_t *bd;
	169	unsigned char *s;
	170	init_fnc_t **init_fnc_ptr;
	171	int j;
c2f02da2	172
6d0f6bcf	173	#ifndef CONFIG_SYS_NO_FLASH
c2f02da2 DH	174	ulong flash_size;
	175	#endif
	176
6d0f6bcf	177	gd = (gd_t *) (CONFIG_SYS_GBL_DATA_OFFSET);
c2f02da2 DH	178
	179	/* Clear initial global data */
	180	memset((void *)gd, 0, sizeof(gd_t));
	181
	182	gd->bd = (bd_t ) (gd + 1); / At end of global data */
	183	gd->baudrate = CONFIG_BAUDRATE;
	184	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
	185
	186	bd = gd->bd;
6d0f6bcf JCPV	187	bd->bi_memstart = CONFIG_SYS_RAM_BASE;
	188	bd->bi_memsize = CONFIG_SYS_RAM_SIZE;
	189	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
	190	#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
	191	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
	192	bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;
c2f02da2 DH	193	#endif
	194	bd->bi_baudrate = CONFIG_BAUDRATE;
	195	bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
	196
	197	gd->flags \|= GD_FLG_RELOC; /* tell others: relocation done */
6d0f6bcf	198	gd->reloc_off = CONFIG_SYS_RELOC_MONITOR_BASE - CONFIG_SYS_MONITOR_BASE;
c2f02da2 DH	199
	200	for (init_fnc_ptr = init_sequence, j = 0; *init_fnc_ptr;
	201	++init_fnc_ptr, j++) {
	202	#ifdef DEBUG_INIT_SEQUENCE
	203	if (j > 9)
	204	str_init_seq[9] = '0' + (j / 10);
	205	str_init_seq[10] = '0' + (j - (j / 10) * 10);
	206	serial_puts(str_init_seq);
	207	#endif
	208	if ((*init_fnc_ptr + gd->reloc_off) () != 0) {
	209	hang();
	210	}
	211	}
	212	#ifdef DEBUG_INIT_SEQUENCE
	213	serial_puts(str_init_seq_done);
	214	#endif
	215
	216	/*
	217	* Now that we have DRAM mapped and working, we can
	218	* relocate the code and continue running from DRAM.
	219	*
	220	* Reserve memory at end of RAM for (top down in that order):
	221	* - kernel log buffer
	222	* - protected RAM
	223	* - LCD framebuffer
	224	* - monitor code
	225	* - board info struct
	226	*/
	227	#ifdef DEBUG_MEM_LAYOUT
6d0f6bcf	228	printf("CONFIG_SYS_MONITOR_BASE: 0x%lx\n", CONFIG_SYS_MONITOR_BASE);
0e8d1586	229	printf("CONFIG_ENV_ADDR: 0x%lx\n", CONFIG_ENV_ADDR);
6d0f6bcf JCPV	230	printf("CONFIG_SYS_RELOC_MONITOR_BASE: 0x%lx (%d)\n", CONFIG_SYS_RELOC_MONITOR_BASE,
	231	CONFIG_SYS_MONITOR_LEN);
	232	printf("CONFIG_SYS_MALLOC_BASE: 0x%lx (%d)\n", CONFIG_SYS_MALLOC_BASE,
	233	CONFIG_SYS_MALLOC_LEN);
	234	printf("CONFIG_SYS_INIT_SP_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_INIT_SP_OFFSET,
	235	CONFIG_SYS_STACK_SIZE);
	236	printf("CONFIG_SYS_PROM_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_PROM_OFFSET,
	237	CONFIG_SYS_PROM_SIZE);
	238	printf("CONFIG_SYS_GBL_DATA_OFFSET: 0x%lx (%d)\n", CONFIG_SYS_GBL_DATA_OFFSET,
25ddd1fb	239	GENERATED_GBL_DATA_SIZE);
c2f02da2 DH	240	#endif
	241
	242	#ifdef CONFIG_POST
	243	post_bootmode_init();
	244	post_run(NULL, POST_ROM \| post_bootmode_get(0));
	245	#endif
	246
2e5167cc	247	#if defined(CONFIG_NEEDS_MANUAL_RELOC)
c2f02da2 DH	248	/*
	249	* We have to relocate the command table manually
	250	*/
620f1f6a HS	251	fixup_cmdtable(&__u_boot_cmd_start,
620f1f6a HS	252	(ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start));
2e5167cc	253	#endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */
c2f02da2	254
6d0f6bcf	255	#if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP)
c2f02da2 DH	256	puts("AMBA:\n");
	257	do_ambapp_print(NULL, 0, 0, NULL);
	258	#endif
	259
	260	/* initialize higher level parts of CPU like time base and timers */
	261	cpu_init_r();
	262
	263	/* start timer */
	264	timer_interrupt_init();
	265
	266	/*
	267	* Enable Interrupts before any calls to udelay,
	268	* the flash driver may use udelay resulting in
	269	* a hang if not timer0 IRQ is enabled.
	270	*/
	271	interrupt_init();
	272
d4e8ada0	273	/* The Malloc area is immediately below the monitor copy in RAM */
a483a167 PT	274	mem_malloc_init(CONFIG_SYS_MALLOC_BASE,
a483a167 PT	275	CONFIG_SYS_MALLOC_END - CONFIG_SYS_MALLOC_BASE);
c790b04d SR	276	malloc_bin_reloc();
c790b04d SR	277
6d0f6bcf	278	#if !defined(CONFIG_SYS_NO_FLASH)
eddf52b5	279	puts("Flash: ");
c2f02da2 DH	280
c2f02da2 DH	281	if ((flash_size = flash_init()) > 0) {
6d0f6bcf	282	# ifdef CONFIG_SYS_FLASH_CHECKSUM
c2f02da2 DH	283	print_size(flash_size, "");
	284	/*
	285	* Compute and print flash CRC if flashchecksum is set to 'y'
	286	*
	287	* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
	288	*/
	289	s = getenv("flashchecksum");
	290	if (s && (*s == 'y')) {
	291	printf(" CRC: %08lX",
6d0f6bcf	292	crc32(0, (const unsigned char *)CONFIG_SYS_FLASH_BASE,
c2f02da2 DH	293	flash_size)
	294	);
	295	}
	296	putc('\n');
6d0f6bcf	297	# else /* !CONFIG_SYS_FLASH_CHECKSUM */
c2f02da2	298	print_size(flash_size, "\n");
6d0f6bcf	299	# endif /* CONFIG_SYS_FLASH_CHECKSUM */
c2f02da2 DH	300	} else {
	301	puts(failed);
	302	hang();
	303	}
	304
6d0f6bcf	305	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
c2f02da2	306	bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
6d0f6bcf	307	#if CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
c2f02da2 DH	308	bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
	309	#else
	310	bd->bi_flashoffset = 0;
	311	#endif
6d0f6bcf	312	#else /* CONFIG_SYS_NO_FLASH */
c2f02da2 DH	313	bd->bi_flashsize = 0;
	314	bd->bi_flashstart = 0;
	315	bd->bi_flashoffset = 0;
6d0f6bcf	316	#endif /* !CONFIG_SYS_NO_FLASH */
c2f02da2	317
c2f02da2	318	#ifdef CONFIG_SPI
bb1f8b4f	319	# if !defined(CONFIG_ENV_IS_IN_EEPROM)
c2f02da2 DH	320	spi_init_f();
	321	# endif
	322	spi_init_r();
	323	#endif
	324
	325	/* relocate environment function pointers etc. */
	326	env_relocate();
	327
	328	#if defined(CONFIG_BOARD_LATE_INIT)
	329	board_late_init();
	330	#endif
	331
32628c50	332	#ifdef CONFIG_ID_EEPROM
c2f02da2 DH	333	mac_read_from_eeprom();
	334	#endif
	335
	336	/* IP Address */
	337	bd->bi_ip_addr = getenv_IPaddr("ipaddr");
	338	#if defined(CONFIG_PCI)
	339	/*
	340	* Do pci configuration
	341	*/
	342	pci_init();
	343	#endif
	344
52cb4d4f JCPV	345	/* Initialize stdio devices */
52cb4d4f JCPV	346	stdio_init();
c2f02da2 DH	347
	348	/* Initialize the jump table for applications */
	349	jumptable_init();
	350
	351	/* Initialize the console (after the relocation and devices init) */
	352	console_init_r();
	353
c2f02da2 DH	354	#ifdef CONFIG_STATUS_LED
	355	status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
	356	#endif
	357
	358	udelay(20);
	359
c2f02da2	360	/* Initialize from environment */
74593743	361	load_addr = getenv_ulong("loadaddr", 16, load_addr);
c2f02da2 DH	362	#if defined(CONFIG_CMD_NET)
	363	if ((s = getenv("bootfile")) != NULL) {
	364	copy_filename(BootFile, s, sizeof(BootFile));
	365	}
f2302d44	366	#endif /* CONFIG_CMD_NET */
c2f02da2 DH	367
	368	WATCHDOG_RESET();
	369
	370	#if defined(CONFIG_CMD_DOC)
	371	WATCHDOG_RESET();
	372	puts("DOC: ");
	373	doc_init();
	374	#endif
	375
310cecb8 LCM	376	#ifdef CONFIG_BITBANGMII
	377	bb_miiphy_init();
	378	#endif
c2f02da2	379	#if defined(CONFIG_CMD_NET)
c2f02da2 DH	380	WATCHDOG_RESET();
c2f02da2 DH	381	puts("Net: ");
c2f02da2 DH	382	eth_initialize(bd);
	383	#endif
	384
	385	#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
	386	WATCHDOG_RESET();
	387	debug("Reset Ethernet PHY\n");
	388	reset_phy();
	389	#endif
	390
	391	#ifdef CONFIG_POST
	392	post_run(NULL, POST_RAM \| post_bootmode_get(0));
	393	#endif
	394
	395	#if defined(CONFIG_CMD_IDE)
	396	WATCHDOG_RESET();
	397	puts("IDE: ");
	398	ide_init();
f2302d44	399	#endif /* CONFIG_CMD_IDE */
c2f02da2 DH	400
	401	#ifdef CONFIG_LAST_STAGE_INIT
	402	WATCHDOG_RESET();
	403	/*
	404	* Some parts can be only initialized if all others (like
	405	* Interrupts) are up and running (i.e. the PC-style ISA
	406	* keyboard).
	407	*/
	408	last_stage_init();
	409	#endif
	410
	411	#ifdef CONFIG_PS2KBD
	412	puts("PS/2: ");
	413	kbd_init();
	414	#endif
	415	prom_init();
	416
	417	/* main_loop */
	418	for (;;) {
	419	WATCHDOG_RESET();
	420	main_loop();
	421	}
	422
	423	}
	424
	425	void hang(void)
	426	{
	427	puts("### ERROR ### Please RESET the board ###\n");
	428	#ifdef CONFIG_SHOW_BOOT_PROGRESS
8ade9506	429	show_boot_error(BOOTSTAGE_ID_NEED_RESET);
c2f02da2 DH	430	#endif
	431	for (;;) ;
	432	}
	433
	434	/************************************************************************/