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>

1 files changed, 744 insertions, 0 deletions

diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c
new file mode 100644
index 000000000..732023d67
--- /dev/null
+++ b/arch/m68k/lib/board.c
@@ -0,0 +1,744 @@
+/*
+ * (C) Copyright 2003
+ * Josef Baumgartner <josef.baumgartner@telex.de>
+ *
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.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
+ */
+
+#include <common.h>
+#include <watchdog.h>
+#include <command.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+
+#include <asm/immap.h>
+
+#if defined(CONFIG_CMD_IDE)
+#include <ide.h>
+#endif
+#if defined(CONFIG_CMD_SCSI)
+#include <scsi.h>
+#endif
+#if defined(CONFIG_CMD_KGDB)
+#include <kgdb.h>
+#endif
+#ifdef CONFIG_STATUS_LED
+#include <status_led.h>
+#endif
+#include <net.h>
+#include <serial.h>
+#if defined(CONFIG_CMD_BEDBUG)
+#include <cmd_bedbug.h>
+#endif
+#ifdef CONFIG_SYS_ALLOC_DPRAM
+#include <commproc.h>
+#endif
+#include <version.h>
+
+#if defined(CONFIG_HARD_I2C) || \
+    defined(CONFIG_SOFT_I2C)
+#include <i2c.h>
+#endif
+
+#ifdef CONFIG_CMD_SPI
+#include <spi.h>
+#endif
+
+#ifdef CONFIG_BITBANGMII
+#include <miiphy.h>
+#endif
+
+#include <nand.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static char *failed = "*** failed ***\n";
+
+#ifdef	CONFIG_PCU_E
+extern flash_info_t flash_info[];
+#endif
+
+#include <environment.h>
+
+#if ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
+      (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
+    defined(CONFIG_ENV_IS_IN_NVRAM)
+#define	TOTAL_MALLOC_LEN	(CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
+#else
+#define	TOTAL_MALLOC_LEN	CONFIG_SYS_MALLOC_LEN
+#endif
+
+extern ulong __init_end;
+extern ulong _end;
+
+extern	void timer_init(void);
+
+#if defined(CONFIG_WATCHDOG)
+# define INIT_FUNC_WATCHDOG_INIT	watchdog_init,
+# define WATCHDOG_DISABLE		watchdog_disable
+
+extern int watchdog_init(void);
+extern int watchdog_disable(void);
+#else
+# define INIT_FUNC_WATCHDOG_INIT	/* undef */
+# define WATCHDOG_DISABLE		/* undef */
+#endif /* CONFIG_WATCHDOG */
+
+ulong monitor_flash_len;
+
+/************************************************************************
+ * Utilities								*
+ ************************************************************************
+ */
+
+/*
+ * 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);
+
+/************************************************************************
+ * 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);
+}
+
+/***********************************************************************/
+
+static int init_func_ram (void)
+{
+	int board_type = 0;	/* use dummy arg */
+	puts ("DRAM:  ");
+
+	if ((gd->ram_size = initdram (board_type)) > 0) {
+		print_size (gd->ram_size, "\n");
+		return (0);
+	}
+	puts (failed);
+	return (1);
+}
+
+/***********************************************************************/
+
+#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_HARD_SPI)
+static int init_func_spi (void)
+{
+	puts ("SPI:   ");
+	spi_init ();
+	puts ("ready\n");
+	return (0);
+}
+#endif
+
+/***********************************************************************/
+
+/************************************************************************
+ * Initialization sequence						*
+ ************************************************************************
+ */
+
+init_fnc_t *init_sequence[] = {
+	get_clocks,
+	env_init,
+	init_baudrate,
+	serial_init,
+	console_init_f,
+	display_options,
+	checkcpu,
+	checkboard,
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+	init_func_i2c,
+#endif
+#if defined(CONFIG_HARD_SPI)
+	init_func_spi,
+#endif
+	init_func_ram,
+#if defined(CONFIG_SYS_DRAM_TEST)
+	testdram,
+#endif /* CONFIG_SYS_DRAM_TEST */
+	INIT_FUNC_WATCHDOG_INIT
+	NULL,			/* Terminate this list */
+};
+
+
+/************************************************************************
+ *
+ * This is the first part of the initialization sequence that is
+ * implemented in C, but still running from ROM.
+ *
+ * The main purpose is to provide a (serial) console interface as
+ * soon as possible (so we can see any error messages), and to
+ * initialize the RAM so that we can relocate the monitor code to
+ * RAM.
+ *
+ * Be aware of the restrictions: global data is read-only, BSS is not
+ * initialized, and stack space is limited to a few kB.
+ *
+ ************************************************************************
+ */
+
+void
+board_init_f (ulong bootflag)
+{
+	bd_t *bd;
+	ulong len, addr, addr_sp;
+	ulong *paddr;
+	gd_t *id;
+	init_fnc_t **init_fnc_ptr;
+#ifdef CONFIG_PRAM
+	int i;
+	ulong reg;
+	char tmp[64];		/* long enough for environment variables */
+#endif
+
+	/* Pointer is writable since we allocated a register for it */
+	gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("": : :"memory");
+
+	/* Clear initial global data */
+	memset ((void *) gd, 0, sizeof (gd_t));
+
+	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		if ((*init_fnc_ptr)() != 0) {
+			hang ();
+		}
+	}
+
+	/*
+	 * 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):
+	 *	- protected RAM
+	 *	- LCD framebuffer
+	 *	- monitor code
+	 *	- board info struct
+	 */
+	len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
+
+	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
+
+#ifdef CONFIG_LOGBUFFER
+	/* reserve kernel log buffer */
+	addr -= (LOGBUFF_RESERVE);
+	debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
+#endif
+
+#ifdef CONFIG_PRAM
+	/*
+	 * reserve protected RAM
+	 */
+	i = getenv_r ("pram", tmp, sizeof (tmp));
+	reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
+	addr -= (reg << 10);		/* size is in kB */
+	debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
+#endif /* CONFIG_PRAM */
+
+	/* round down to next 4 kB limit */
+	addr &= ~(4096 - 1);
+	debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
+
+#ifdef CONFIG_LCD
+	/* reserve memory for LCD display (always full pages) */
+	addr = lcd_setmem (addr);
+	gd->fb_base = addr;
+#endif /* CONFIG_LCD */
+
+	/*
+	 * reserve memory for U-Boot code, data & bss
+	 * round down to next 4 kB limit
+	 */
+	addr -= len;
+	addr &= ~(4096 - 1);
+
+	debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
+
+	/*
+	 * reserve memory for malloc() arena
+	 */
+	addr_sp = addr - TOTAL_MALLOC_LEN;
+	debug ("Reserving %dk for malloc() at: %08lx\n",
+			TOTAL_MALLOC_LEN >> 10, addr_sp);
+
+	/*
+	 * (permanently) allocate a Board Info struct
+	 * and a permanent copy of the "global" data
+	 */
+	addr_sp -= sizeof (bd_t);
+	bd = (bd_t *) addr_sp;
+	gd->bd = bd;
+	debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
+			sizeof (bd_t), addr_sp);
+	addr_sp -= sizeof (gd_t);
+	id = (gd_t *) addr_sp;
+	debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
+			sizeof (gd_t), addr_sp);
+
+	/* Reserve memory for boot params. */
+	addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
+	bd->bi_boot_params = addr_sp;
+	debug ("Reserving %dk for boot parameters at: %08lx\n",
+			CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
+
+	/*
+	 * Finally, we set up a new (bigger) stack.
+	 *
+	 * Leave some safety gap for SP, force alignment on 16 byte boundary
+	 * Clear initial stack frame
+	 */
+	addr_sp -= 16;
+	addr_sp &= ~0xF;
+
+	paddr = (ulong *)addr_sp;
+	*paddr-- = 0;
+	*paddr-- = 0;
+	addr_sp = (ulong)paddr;
+
+	debug ("Stack Pointer at: %08lx\n", addr_sp);
+
+	/*
+	 * Save local variables to board info struct
+	 */
+	bd->bi_memstart  = CONFIG_SYS_SDRAM_BASE;	/* start of  DRAM memory      */
+	bd->bi_memsize   = gd->ram_size;	/* size  of  DRAM memory in bytes */
+#ifdef CONFIG_SYS_INIT_RAM_ADDR
+	bd->bi_sramstart = CONFIG_SYS_INIT_RAM_ADDR;	/* start of  SRAM memory	*/
+	bd->bi_sramsize  = CONFIG_SYS_INIT_RAM_END;	/* size  of  SRAM memory	*/
+#endif
+	bd->bi_mbar_base = CONFIG_SYS_MBAR;		/* base of internal registers */
+
+	bd->bi_bootflags = bootflag;		/* boot / reboot flag (for LynxOS)    */
+
+	WATCHDOG_RESET ();
+	bd->bi_intfreq = gd->cpu_clk;	/* Internal Freq, in Hz */
+	bd->bi_busfreq = gd->bus_clk;	/* Bus Freq,      in Hz */
+#ifdef CONFIG_PCI
+	bd->bi_pcifreq = gd->pci_clk;		/* PCI Freq in Hz */
+#endif
+#ifdef CONFIG_EXTRA_CLOCK
+	bd->bi_inpfreq = gd->inp_clk;		/* input Freq in Hz */
+	bd->bi_vcofreq = gd->vco_clk;		/* vco Freq in Hz */
+	bd->bi_flbfreq = gd->flb_clk;		/* flexbus Freq in Hz */
+#endif
+	bd->bi_baudrate = gd->baudrate;	/* Console Baudrate     */
+
+#ifdef CONFIG_SYS_EXTBDINFO
+	strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
+	strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
+#endif
+
+	WATCHDOG_RESET ();
+
+#ifdef CONFIG_POST
+	post_bootmode_init();
+	post_run (NULL, POST_ROM | post_bootmode_get(0));
+#endif
+
+	WATCHDOG_RESET();
+
+	memcpy (id, (void *)gd, sizeof (gd_t));
+
+	debug ("Start relocate of code from %08x to %08lx\n", CONFIG_SYS_MONITOR_BASE, addr);
+	relocate_code (addr_sp, id, addr);
+
+	/* NOTREACHED - jump_to_ram() does not return */
+}
+
+/************************************************************************
+ *
+ * This is the next part if the initialization sequence: we are now
+ * running from RAM and have a "normal" C environment, i. e. global
+ * data can be written, BSS has been cleared, the stack size in not
+ * that critical any more, etc.
+ *
+ ************************************************************************
+ */
+void board_init_r (gd_t *id, ulong dest_addr)
+{
+	cmd_tbl_t *cmdtp;
+	char *s;
+	bd_t *bd;
+	extern void malloc_bin_reloc (void);
+
+#ifndef CONFIG_ENV_IS_NOWHERE
+	extern char * env_name_spec;
+#endif
+#ifndef CONFIG_SYS_NO_FLASH
+	ulong flash_size;
+#endif
+	gd = id;		/* initialize RAM version of global data */
+	bd = gd->bd;
+
+	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
+
+#ifdef CONFIG_SERIAL_MULTI
+	serial_initialize();
+#endif
+
+	debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
+
+	WATCHDOG_RESET ();
+
+	gd->reloc_off =  dest_addr - CONFIG_SYS_MONITOR_BASE;
+
+	monitor_flash_len = (ulong)&__init_end - dest_addr;
+
+	/*
+	 * 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 0
+		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
+	}
+	/* there are some other pointer constants we must deal with */
+#ifndef CONFIG_ENV_IS_NOWHERE
+	env_name_spec += gd->reloc_off;
+#endif
+
+	WATCHDOG_RESET ();
+
+#ifdef CONFIG_LOGBUFFER
+	logbuff_init_ptrs ();
+#endif
+#ifdef CONFIG_POST
+	post_output_backlog ();
+	post_reloc ();
+#endif
+	WATCHDOG_RESET();
+
+#if 0
+	/* instruction cache enabled in cpu_init_f() for faster relocation */
+	icache_enable ();	/* it's time to enable the instruction cache */
+#endif
+
+	/*
+	 * Setup trap handlers
+	 */
+	trap_init (CONFIG_SYS_SDRAM_BASE);
+
+	/* The Malloc area is immediately below the monitor copy in DRAM */
+	mem_malloc_init (CONFIG_SYS_MONITOR_BASE + gd->reloc_off -
+			TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN);
+	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: %08X",
+					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) */
+	bd->bi_flashoffset = 0;
+#else	/* CONFIG_SYS_NO_FLASH */
+	bd->bi_flashsize = 0;
+	bd->bi_flashstart = 0;
+	bd->bi_flashoffset = 0;
+#endif /* !CONFIG_SYS_NO_FLASH */
+
+	WATCHDOG_RESET ();
+
+	/* initialize higher level parts of CPU like time base and timers */
+	cpu_init_r ();
+
+	WATCHDOG_RESET ();
+
+#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 ();
+
+	/*
+	 * Fill in missing fields of bd_info.
+	 * We do this here, where we have "normal" access to the
+	 * environment; we used to do this still running from ROM,
+	 * where had to use getenv_r(), which can be pretty slow when
+	 * the environment is in EEPROM.
+	 */
+	bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+
+	WATCHDOG_RESET ();
+
+#if defined(CONFIG_PCI)
+	/*
+	 * Do pci configuration
+	 */
+	pci_init ();
+#endif
+
+	/** leave this here (after malloc(), environment and PCI are working) **/
+	/* 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 ();
+
+#if defined(CONFIG_MISC_INIT_R)
+	/* miscellaneous platform dependent initialisations */
+	misc_init_r ();
+#endif
+
+#if defined(CONFIG_CMD_KGDB)
+	WATCHDOG_RESET ();
+	puts ("KGDB:  ");
+	kgdb_init ();
+#endif
+
+	debug ("U-Boot relocated to %08lx\n", dest_addr);
+
+	/*
+	 * Enable Interrupts
+	 */
+	interrupt_init ();
+
+	/* Must happen after interrupts are initialized since
+	 * an irq handler gets installed
+	 */
+	timer_init();
+
+#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);
+
+	/* Insert function pointers now that we have relocated the code */
+
+	/* 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
+
+	WATCHDOG_RESET ();
+
+#if defined(CONFIG_CMD_DOC)
+	WATCHDOG_RESET ();
+	puts ("DOC:   ");
+	doc_init ();
+#endif
+
+#if defined(CONFIG_CMD_NAND)
+	WATCHDOG_RESET ();
+	puts ("NAND:  ");
+	nand_init();		/* go init the NAND */
+#endif
+
+#ifdef CONFIG_BITBANGMII
+	bb_miiphy_init();
+#endif
+#if defined(CONFIG_CMD_NET)
+	WATCHDOG_RESET();
+#if defined(FEC_ENET)
+	eth_init(bd);
+#endif
+#if defined(CONFIG_NET_MULTI)
+	puts ("Net:   ");
+	eth_initialize (bd);
+#endif
+#endif
+
+#ifdef CONFIG_POST
+	post_run (NULL, POST_RAM | post_bootmode_get(0));
+#endif
+
+#if defined(CONFIG_CMD_PCMCIA) \
+    && !defined(CONFIG_CMD_IDE)
+	WATCHDOG_RESET ();
+	puts ("PCMCIA:");
+	pcmcia_init ();
+#endif
+
+#if defined(CONFIG_CMD_IDE)
+	WATCHDOG_RESET ();
+	puts ("IDE:   ");
+	ide_init ();
+#endif
+
+#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
+
+#if defined(CONFIG_CMD_BEDBUG)
+	WATCHDOG_RESET ();
+	bedbug_init ();
+#endif
+
+#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
+	/*
+	 * Export available size of memory for Linux,
+	 * taking into account the protected RAM at top of memory
+	 */
+	{
+		ulong pram;
+		char memsz[32];
+#ifdef CONFIG_PRAM
+		char *s;
+
+		if ((s = getenv ("pram")) != NULL) {
+			pram = simple_strtoul (s, NULL, 10);
+		} else {
+			pram = CONFIG_PRAM;
+		}
+#else
+		pram=0;
+#endif
+#ifdef CONFIG_LOGBUFFER
+		/* Also take the logbuffer into account (pram is in kB) */
+		pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
+#endif
+		sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
+		setenv ("mem", memsz);
+	}
+#endif
+
+#ifdef CONFIG_MODEM_SUPPORT
+ {
+	 extern int do_mdm_init;
+	 do_mdm_init = gd->do_mdm_init;
+ }
+#endif
+
+#ifdef CONFIG_WATCHDOG
+	/* disable watchdog if environment is set */
+	if ((s = getenv ("watchdog")) != NULL) {
+		if (strncmp (s, "off", 3) == 0) {
+			WATCHDOG_DISABLE ();
+		}
+	}
+#endif /* CONFIG_WATCHDOG*/
+
+
+	/* Initialization complete - start the monitor */
+
+	/* main_loop() can return to retry autoboot, if so just run it again. */
+	for (;;) {
+		WATCHDOG_RESET ();
+		main_loop ();
+	}
+
+	/* NOTREACHED - no way out of command loop except booting */
+}
+
+
+void hang(void)
+{
+	puts ("### ERROR ### Please RESET the board ###\n");
+	for (;;);
+}