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| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 | 
| commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
| tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /arch/sparc/lib/board.c | |
| parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) | |
| download | olio-uboot-2014.01-ea0364f1bbfed1e3ea711147420875cf338fe77a.tar.xz olio-uboot-2014.01-ea0364f1bbfed1e3ea711147420875cf338fe77a.zip | |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/sparc/lib/board.c')
| -rw-r--r-- | arch/sparc/lib/board.c | 472 | 
1 files changed, 472 insertions, 0 deletions
| diff --git a/arch/sparc/lib/board.c b/arch/sparc/lib/board.c new file mode 100644 index 000000000..11eea603c --- /dev/null +++ b/arch/sparc/lib/board.c @@ -0,0 +1,472 @@ +/* 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 *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) +{ +	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(); + +	/* 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_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 + +#ifdef CONFIG_BITBANGMII +	bb_miiphy_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 (;;) ; +} + +/************************************************************************/ |