1 files changed, 452 insertions, 0 deletions
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
new file mode 100644
index 000000000..f5660a985
--- /dev/null
+++ b/arch/arm/lib/board.c
@@ -0,0 +1,452 @@
+/*
+ * (C) Copyright 2002-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 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
+ */
+
+/*
+ * To match the U-Boot user interface on ARM platforms to the U-Boot
+ * standard (as on PPC platforms), some messages with debug character
+ * are removed from the default U-Boot build.
+ *
+ * Define DEBUG here if you want additional info as shown below
+ * printed upon startup:
+ *
+ * U-Boot code: 00F00000 -> 00F3C774  BSS: -> 00FC3274
+ * IRQ Stack: 00ebff7c
+ * FIQ Stack: 00ebef7c
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+#include <timestamp.h>
+#include <version.h>
+#include <net.h>
+#include <serial.h>
+#include <nand.h>
+#include <onenand_uboot.h>
+#include <mmc.h>
+
+#ifdef CONFIG_BITBANGMII
+#include <miiphy.h>
+#endif
+
+#ifdef CONFIG_DRIVER_SMC91111
+#include "../drivers/net/smc91111.h"
+#endif
+#ifdef CONFIG_DRIVER_LAN91C96
+#include "../drivers/net/lan91c96.h"
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+ulong monitor_flash_len;
+
+#ifdef CONFIG_HAS_DATAFLASH
+extern int  AT91F_DataflashInit(void);
+extern void dataflash_print_info(void);
+#endif
+
+#ifndef CONFIG_IDENT_STRING
+#define CONFIG_IDENT_STRING ""
+#endif
+
+const char version_string[] =
+	U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"CONFIG_IDENT_STRING;
+
+#ifdef CONFIG_DRIVER_RTL8019
+extern void rtl8019_get_enetaddr (uchar * addr);
+#endif
+
+#if defined(CONFIG_HARD_I2C) || \
+    defined(CONFIG_SOFT_I2C)
+#include <i2c.h>
+#endif
+
+
+/************************************************************************
+ * Coloured LED functionality
+ ************************************************************************
+ * May be supplied by boards if desired
+ */
+void inline __coloured_LED_init (void) {}
+void coloured_LED_init (void) __attribute__((weak, alias("__coloured_LED_init")));
+void inline __red_LED_on (void) {}
+void red_LED_on (void) __attribute__((weak, alias("__red_LED_on")));
+void inline __red_LED_off(void) {}
+void red_LED_off(void) __attribute__((weak, alias("__red_LED_off")));
+void inline __green_LED_on(void) {}
+void green_LED_on(void) __attribute__((weak, alias("__green_LED_on")));
+void inline __green_LED_off(void) {}
+void green_LED_off(void) __attribute__((weak, alias("__green_LED_off")));
+void inline __yellow_LED_on(void) {}
+void yellow_LED_on(void) __attribute__((weak, alias("__yellow_LED_on")));
+void inline __yellow_LED_off(void) {}
+void yellow_LED_off(void) __attribute__((weak, alias("__yellow_LED_off")));
+void inline __blue_LED_on(void) {}
+void blue_LED_on(void) __attribute__((weak, alias("__blue_LED_on")));
+void inline __blue_LED_off(void) {}
+void blue_LED_off(void) __attribute__((weak, alias("__blue_LED_off")));
+
+/************************************************************************
+ * Init Utilities							*
+ ************************************************************************
+ * Some of this code should be moved into the core functions,
+ * or dropped completely,
+ * but let's get it working (again) first...
+ */
+
+#if defined(CONFIG_ARM_DCC) && !defined(CONFIG_BAUDRATE)
+#define CONFIG_BAUDRATE 115200
+#endif
+static int init_baudrate (void)
+{
+	char tmp[64];	/* long enough for environment variables */
+	int i = getenv_r ("baudrate", tmp, sizeof (tmp));
+	gd->bd->bi_baudrate = gd->baudrate = (i > 0)
+			? (int) simple_strtoul (tmp, NULL, 10)
+			: CONFIG_BAUDRATE;
+
+	return (0);
+}
+
+static int display_banner (void)
+{
+	printf ("\n\n%s\n\n", version_string);
+	debug ("U-Boot code: %08lX -> %08lX  BSS: -> %08lX\n",
+	       _armboot_start, _bss_start, _bss_end);
+#ifdef CONFIG_MODEM_SUPPORT
+	debug ("Modem Support enabled\n");
+#endif
+#ifdef CONFIG_USE_IRQ
+	debug ("IRQ Stack: %08lx\n", IRQ_STACK_START);
+	debug ("FIQ Stack: %08lx\n", FIQ_STACK_START);
+#endif
+
+	return (0);
+}
+
+/*
+ * WARNING: this code looks "cleaner" than the PowerPC version, but
+ * has the disadvantage that you either get nothing, or everything.
+ * On PowerPC, you might see "DRAM: " before the system hangs - which
+ * gives a simple yet clear indication which part of the
+ * initialization if failing.
+ */
+static int display_dram_config (void)
+{
+	int i;
+
+#ifdef DEBUG
+	puts ("RAM Configuration:\n");
+
+	for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
+		printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
+		print_size (gd->bd->bi_dram[i].size, "\n");
+	}
+#else
+	ulong size = 0;
+
+	for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
+		size += gd->bd->bi_dram[i].size;
+	}
+	puts("DRAM:  ");
+	print_size(size, "\n");
+#endif
+
+	return (0);
+}
+
+#ifndef CONFIG_SYS_NO_FLASH
+static void display_flash_config (ulong size)
+{
+	puts ("Flash: ");
+	print_size (size, "\n");
+}
+#endif /* CONFIG_SYS_NO_FLASH */
+
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+static int init_func_i2c (void)
+{
+	puts ("I2C:   ");
+	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+	puts ("ready\n");
+	return (0);
+}
+#endif
+
+#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
+#include <pci.h>
+static int arm_pci_init(void)
+{
+	pci_init();
+	return 0;
+}
+#endif /* CONFIG_CMD_PCI || CONFIG_PCI */
+
+/*
+ * Breathe some life into the board...
+ *
+ * Initialize a serial port as console, and carry out some hardware
+ * tests.
+ *
+ * The first part of initialization is running from Flash memory;
+ * its main purpose is to initialize the RAM so that we
+ * can relocate the monitor code to RAM.
+ */
+
+/*
+ * 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 dependent #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);
+
+int print_cpuinfo (void);
+
+init_fnc_t *init_sequence[] = {
+#if defined(CONFIG_ARCH_CPU_INIT)
+	arch_cpu_init,		/* basic arch cpu dependent setup */
+#endif
+	board_init,		/* basic board dependent setup */
+#if defined(CONFIG_USE_IRQ)
+	interrupt_init,		/* set up exceptions */
+#endif
+	timer_init,		/* initialize timer */
+#ifdef CONFIG_FSL_ESDHC
+	get_clocks,
+#endif
+	env_init,		/* initialize environment */
+	init_baudrate,		/* initialze baudrate settings */
+	serial_init,		/* serial communications setup */
+	console_init_f,		/* stage 1 init of console */
+	display_banner,		/* say that we are here */
+#if defined(CONFIG_DISPLAY_CPUINFO)
+	print_cpuinfo,		/* display cpu info (and speed) */
+#endif
+#if defined(CONFIG_DISPLAY_BOARDINFO)
+	checkboard,		/* display board info */
+#endif
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+	init_func_i2c,
+#endif
+	dram_init,		/* configure available RAM banks */
+#if defined(CONFIG_CMD_PCI) || defined (CONFIG_PCI)
+	arm_pci_init,
+#endif
+	display_dram_config,
+	NULL,
+};
+
+void start_armboot (void)
+{
+	init_fnc_t **init_fnc_ptr;
+	char *s;
+#if defined(CONFIG_VFD) || defined(CONFIG_LCD)
+	unsigned long addr;
+#endif
+
+	/* Pointer is writable since we allocated a register for it */
+	gd = (gd_t*)(_armboot_start - CONFIG_SYS_MALLOC_LEN - sizeof(gd_t));
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("": : :"memory");
+
+	memset ((void*)gd, 0, sizeof (gd_t));
+	gd->bd = (bd_t*)((char*)gd - sizeof(bd_t));
+	memset (gd->bd, 0, sizeof (bd_t));
+
+	gd->flags |= GD_FLG_RELOC;
+
+	monitor_flash_len = _bss_start - _armboot_start;
+
+	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		if ((*init_fnc_ptr)() != 0) {
+			hang ();
+		}
+	}
+
+	/* armboot_start is defined in the board-specific linker script */
+	mem_malloc_init (_armboot_start - CONFIG_SYS_MALLOC_LEN,
+			CONFIG_SYS_MALLOC_LEN);
+
+#ifndef CONFIG_SYS_NO_FLASH
+	/* configure available FLASH banks */
+	display_flash_config (flash_init ());
+#endif /* CONFIG_SYS_NO_FLASH */
+
+#ifdef CONFIG_VFD
+#	ifndef PAGE_SIZE
+#	  define PAGE_SIZE 4096
+#	endif
+	/*
+	 * reserve memory for VFD display (always full pages)
+	 */
+	/* bss_end is defined in the board-specific linker script */
+	addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+	vfd_setmem (addr);
+	gd->fb_base = addr;
+#endif /* CONFIG_VFD */
+
+#ifdef CONFIG_LCD
+	/* board init may have inited fb_base */
+	if (!gd->fb_base) {
+#		ifndef PAGE_SIZE
+#		  define PAGE_SIZE 4096
+#		endif
+		/*
+		 * reserve memory for LCD display (always full pages)
+		 */
+		/* bss_end is defined in the board-specific linker script */
+		addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+		lcd_setmem (addr);
+		gd->fb_base = addr;
+	}
+#endif /* CONFIG_LCD */
+
+#if defined(CONFIG_CMD_NAND)
+	puts ("NAND:  ");
+	nand_init();		/* go init the NAND */
+#endif
+
+#if defined(CONFIG_CMD_ONENAND)
+	onenand_init();
+#endif
+
+#ifdef CONFIG_HAS_DATAFLASH
+	AT91F_DataflashInit();
+	dataflash_print_info();
+#endif
+
+	/* initialize environment */
+	env_relocate ();
+
+#ifdef CONFIG_VFD
+	/* must do this after the framebuffer is allocated */
+	drv_vfd_init();
+#endif /* CONFIG_VFD */
+
+#ifdef CONFIG_SERIAL_MULTI
+	serial_initialize();
+#endif
+
+	/* IP Address */
+	gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+
+	stdio_init ();	/* get the devices list going. */
+
+	jumptable_init ();
+
+#if defined(CONFIG_API)
+	/* Initialize API */
+	api_init ();
+#endif
+
+	console_init_r ();	/* fully init console as a device */
+
+#if defined(CONFIG_ARCH_MISC_INIT)
+	/* miscellaneous arch dependent initialisations */
+	arch_misc_init ();
+#endif
+#if defined(CONFIG_MISC_INIT_R)
+	/* miscellaneous platform dependent initialisations */
+	misc_init_r ();
+#endif
+
+	/* enable exceptions */
+	enable_interrupts ();
+
+	/* Perform network card initialisation if necessary */
+#ifdef CONFIG_DRIVER_TI_EMAC
+	/* XXX: this needs to be moved to board init */
+extern void davinci_eth_set_mac_addr (const u_int8_t *addr);
+	if (getenv ("ethaddr")) {
+		uchar enetaddr[6];
+		eth_getenv_enetaddr("ethaddr", enetaddr);
+		davinci_eth_set_mac_addr(enetaddr);
+	}
+#endif
+
+#if defined(CONFIG_DRIVER_SMC91111) || defined (CONFIG_DRIVER_LAN91C96)
+	/* XXX: this needs to be moved to board init */
+	if (getenv ("ethaddr")) {
+		uchar enetaddr[6];
+		eth_getenv_enetaddr("ethaddr", enetaddr);
+		smc_set_mac_addr(enetaddr);
+	}
+#endif /* CONFIG_DRIVER_SMC91111 || CONFIG_DRIVER_LAN91C96 */
+
+	/* 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
+
+#ifdef BOARD_LATE_INIT
+	board_late_init ();
+#endif
+
+#ifdef CONFIG_GENERIC_MMC
+	puts ("MMC:   ");
+	mmc_initialize (gd->bd);
+#endif
+
+#ifdef CONFIG_BITBANGMII
+	bb_miiphy_init();
+#endif
+#if defined(CONFIG_CMD_NET)
+#if defined(CONFIG_NET_MULTI)
+	puts ("Net:   ");
+#endif
+	eth_initialize(gd->bd);
+#if defined(CONFIG_RESET_PHY_R)
+	debug ("Reset Ethernet PHY\n");
+	reset_phy();
+#endif
+#endif
+	/* main_loop() can return to retry autoboot, if so just run it again. */
+	for (;;) {
+		main_loop ();
+	}
+
+	/* NOTREACHED - no way out of command loop except booting */
+}
+
+void hang (void)
+{
+	puts ("### ERROR ### Please RESET the board ###\n");
+	for (;;);
+}