Now that ARM uses the generic board, we don't need this code.
Signed-off-by: Simon Glass sjg@chromium.org --- arch/arm/include/asm/global_data.h | 81 ----- arch/arm/lib/Makefile | 2 - arch/arm/lib/board.c | 622 +----------------------------------- 3 files changed, 9 insertions(+), 696 deletions(-)
diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h index e31e06a..0251aad 100644 --- a/arch/arm/include/asm/global_data.h +++ b/arch/arm/include/asm/global_data.h @@ -24,88 +24,7 @@ #ifndef __ASM_GBL_DATA_H #define __ASM_GBL_DATA_H
-#ifndef CONFIG_SYS_LEGACY_BOARD - /* Use the generic board which requires a unified global_data */ #include <asm-generic/global_data.h>
-#else -/* - * The following data structure is placed in some memory which is - * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or - * some locked parts of the data cache) to allow for a minimum set of - * global variables during system initialization (until we have set - * up the memory controller so that we can use RAM). - * - * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t) - */ - -typedef struct global_data { - bd_t *bd; - unsigned long flags; - unsigned long baudrate; - unsigned long have_console; /* serial_init() was called */ -#ifdef CONFIG_PRE_CONSOLE_BUFFER - unsigned long precon_buf_idx; /* Pre-Console buffer index */ -#endif - unsigned long env_addr; /* Address of Environment struct */ - unsigned long env_valid; /* Checksum of Environment valid? */ - unsigned long fb_base; /* base address of frame buffer */ -#ifdef CONFIG_FSL_ESDHC - unsigned long sdhc_clk; -#endif -#ifdef CONFIG_AT91FAMILY - /* "static data" needed by at91's clock.c */ - unsigned long cpu_clk_rate_hz; - unsigned long main_clk_rate_hz; - unsigned long mck_rate_hz; - unsigned long plla_rate_hz; - unsigned long pllb_rate_hz; - unsigned long at91_pllb_usb_init; -#endif -#ifdef CONFIG_ARM - /* "static data" needed by most of timer.c on ARM platforms */ - unsigned long timer_rate_hz; - unsigned long tbl; - unsigned long tbu; - unsigned long long timer_reset_value; - unsigned long lastinc; -#endif -#ifdef CONFIG_IXP425 - unsigned long timestamp; -#endif - unsigned long relocaddr; /* Start address of U-Boot in RAM */ - phys_size_t ram_size; /* RAM size */ - unsigned long mon_len; /* monitor len */ - unsigned long irq_sp; /* irq stack pointer */ - unsigned long start_addr_sp; /* start_addr_stackpointer */ - unsigned long reloc_off; -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) - unsigned long tlb_addr; -#endif - const void *fdt_blob; /* Our device tree, NULL if none */ - void **jt; /* jump table */ - char env_buf[32]; /* buffer for getenv() before reloc. */ -#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) - unsigned long post_log_word; /* Record POST activities */ - unsigned long post_log_res; /* success of POST test */ - unsigned long post_init_f_time; /* When post_init_f started */ -#endif -} gd_t; - -/* - * Global Data Flags - */ -#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ -#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ -#define GD_FLG_SILENT 0x00004 /* Silent mode */ -#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ -#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ -#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ -#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ -#define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */ - -#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r8") -#endif /* CONFIG_SYS_LEGACY_BOARD */ - #endif /* __ASM_GBL_DATA_H */ diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile index fd3b331..213c76f 100644 --- a/arch/arm/lib/Makefile +++ b/arch/arm/lib/Makefile @@ -37,9 +37,7 @@ GLSOBJS += _umodsi3.o
GLCOBJS += div0.o
-ifeq ($(CONFIG_SYS_LEGACY_BOARD),y) COBJS-y += board.o -endif COBJS-y += bootm.o COBJS-y += cache.o COBJS-y += cache-cp15.o diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c index bf1bf79..71018e0 100644 --- a/arch/arm/lib/board.c +++ b/arch/arm/lib/board.c @@ -1,4 +1,6 @@ /* + * Copyright (c) 2011 The Chromium OS Authors. + * * (C) Copyright 2002-2006 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * @@ -26,619 +28,13 @@ */
/* - * 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. + * This file is currently unused, since ARM now uses the generic board + * implementation in common/board_f.c and common/board_r.c. If you are + * missing something, take a look there instead. * - * Define DEBUG here if you want additional info as shown below - * printed upon startup: + * You may in principle add functions here that are truly ARM-specific. + * This file could also be used to hold the initcall arrays, if it turns + * out that the differences for ARM are large enough to justify it. * - * U-Boot code: 00F00000 -> 00F3C774 BSS: -> 00FC3274 - * IRQ Stack: 00ebff7c - * FIQ Stack: 00ebef7c - */ - -#include <common.h> -#include <command.h> -#include <malloc.h> -#include <reloc.h> -#include <stdio_dev.h> -#include <version.h> -#include <net.h> -#include <serial.h> -#include <nand.h> -#include <onenand_uboot.h> -#include <mmc.h> -#include <libfdt.h> -#include <fdtdec.h> -#include <post.h> -#include <logbuff.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 - -#if defined(CONFIG_HARD_I2C) || \ - defined(CONFIG_SOFT_I2C) -#include <i2c.h> -#endif - -/************************************************************************ - * Coloured LED functionality - ************************************************************************ - * May be supplied by boards if desired - */ -inline void __coloured_LED_init(void) {} -void coloured_LED_init(void) - __attribute__((weak, alias("__coloured_LED_init"))); -inline void __red_led_on(void) {} -void red_led_on(void) __attribute__((weak, alias("__red_led_on"))); -inline void __red_led_off(void) {} -void red_led_off(void) __attribute__((weak, alias("__red_led_off"))); -inline void __green_led_on(void) {} -void green_led_on(void) __attribute__((weak, alias("__green_led_on"))); -inline void __green_led_off(void) {} -void green_led_off(void) __attribute__((weak, alias("__green_led_off"))); -inline void __yellow_led_on(void) {} -void yellow_led_on(void) __attribute__((weak, alias("__yellow_led_on"))); -inline void __yellow_led_off(void) {} -void yellow_led_off(void) __attribute__((weak, alias("__yellow_led_off"))); -inline void __blue_led_on(void) {} -void blue_led_on(void) __attribute__((weak, alias("__blue_led_on"))); -inline void __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) -{ - gd->baudrate = getenv_ulong("baudrate", 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", - _TEXT_BASE, - _bss_start_ofs + _TEXT_BASE, _bss_end_ofs + _TEXT_BASE); -#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. + * Hopefully not, in which case perhaps we will remove this file. */ -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); -} - -#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); - -void __dram_init_banksize(void) -{ - gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - gd->bd->bi_dram[0].size = gd->ram_size; -} -void dram_init_banksize(void) - __attribute__((weak, alias("__dram_init_banksize"))); - -init_fnc_t *init_sequence[] = { -#if defined(CONFIG_ARCH_CPU_INIT) - arch_cpu_init, /* basic arch cpu dependent setup */ -#endif -#if defined(CONFIG_BOARD_EARLY_INIT_F) - board_early_init_f, -#endif -#ifdef CONFIG_OF_CONTROL - fdtdec_check_fdt, -#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 */ - NULL, -}; - -void board_init_f(ulong bootflag) -{ - bd_t *bd; - init_fnc_t **init_fnc_ptr; - gd_t *id; - ulong addr, addr_sp; -#ifdef CONFIG_PRAM - ulong reg; -#endif - - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07); - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - memset((void *)gd, 0, sizeof(gd_t)); - - gd->mon_len = _bss_end_ofs; -#ifdef CONFIG_OF_EMBED - /* Get a pointer to the FDT */ - gd->fdt_blob = _binary_dt_dtb_start; -#elif defined CONFIG_OF_SEPARATE - /* FDT is at end of image */ - gd->fdt_blob = (void *)(_end_ofs + _TEXT_BASE); -#endif - /* Allow the early environment to override the fdt address */ - gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16, - (uintptr_t)gd->fdt_blob); - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) { - hang (); - } - } - - debug("monitor len: %08lX\n", gd->mon_len); - /* - * Ram is setup, size stored in gd !! - */ - debug("ramsize: %08lX\n", gd->ram_size); -#if defined(CONFIG_SYS_MEM_TOP_HIDE) - /* - * Subtract specified amount of memory to hide so that it won't - * get "touched" at all by U-Boot. By fixing up gd->ram_size - * the Linux kernel should now get passed the now "corrected" - * memory size and won't touch it either. This should work - * for arch/ppc and arch/powerpc. Only Linux board ports in - * arch/powerpc with bootwrapper support, that recalculate the - * memory size from the SDRAM controller setup will have to - * get fixed. - */ - gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE; -#endif - - addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; - -#ifdef CONFIG_LOGBUFFER -#ifndef CONFIG_ALT_LB_ADDR - /* reserve kernel log buffer */ - addr -= (LOGBUFF_RESERVE); - debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, - addr); -#endif -#endif - -#ifdef CONFIG_PRAM - /* - * reserve protected RAM - */ - reg = getenv_ulong("pram", 10, CONFIG_PRAM); - addr -= (reg << 10); /* size is in kB */ - debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr); -#endif /* CONFIG_PRAM */ - -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) - /* reserve TLB table */ - addr -= (4096 * 4); - - /* round down to next 64 kB limit */ - addr &= ~(0x10000 - 1); - - gd->tlb_addr = addr; - debug("TLB table at: %08lx\n", addr); -#endif - - /* 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 -#ifdef CONFIG_FB_ADDR - gd->fb_base = CONFIG_FB_ADDR; -#else - /* reserve memory for LCD display (always full pages) */ - addr = lcd_setmem(addr); - gd->fb_base = addr; -#endif /* CONFIG_FB_ADDR */ -#endif /* CONFIG_LCD */ - - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - addr -= gd->mon_len; - addr &= ~(4096 - 1); - - debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10, addr); - -#ifndef CONFIG_SPL_BUILD - /* - * 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); - -#ifdef CONFIG_MACH_TYPE - gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */ -#endif - - 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); - - /* setup stackpointer for exeptions */ - gd->irq_sp = addr_sp; -#ifdef CONFIG_USE_IRQ - addr_sp -= (CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ); - debug("Reserving %zu Bytes for IRQ stack at: %08lx\n", - CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ, addr_sp); -#endif - /* leave 3 words for abort-stack */ - addr_sp -= 12; - - /* 8-byte alignment for ABI compliance */ - addr_sp &= ~0x07; -#else - addr_sp += 128; /* leave 32 words for abort-stack */ - gd->irq_sp = addr_sp; -#endif - - debug("New Stack Pointer is: %08lx\n", addr_sp); - -#ifdef CONFIG_POST - post_bootmode_init(); - post_run(NULL, POST_ROM | post_bootmode_get(0)); -#endif - - gd->bd->bi_baudrate = gd->baudrate; - /* Ram ist board specific, so move it to board code ... */ - dram_init_banksize(); - display_dram_config(); /* and display it */ - - gd->relocaddr = addr; - gd->start_addr_sp = addr_sp; - gd->reloc_off = addr - _TEXT_BASE; - debug("relocation Offset is: %08lx\n", gd->reloc_off); - memcpy(id, (void *)gd, sizeof(gd_t)); - - relocate_code(addr_sp, id, addr); - - /* NOTREACHED - relocate_code() does not return */ -} - -#if !defined(CONFIG_SYS_NO_FLASH) -static char *failed = "*** failed ***\n"; -#endif - -/* - ************************************************************************ - * - * 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) -{ - ulong malloc_start; -#if !defined(CONFIG_SYS_NO_FLASH) - ulong flash_size; -#endif - - gd = id; - - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - - monitor_flash_len = _end_ofs; - - /* Enable caches */ - enable_caches(); - - debug("monitor flash len: %08lX\n", monitor_flash_len); - board_init(); /* Setup chipselects */ - -#ifdef CONFIG_SERIAL_MULTI - serial_initialize(); -#endif - - debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr); - -#ifdef CONFIG_LOGBUFFER - logbuff_init_ptrs(); -#endif -#ifdef CONFIG_POST - post_output_backlog(); -#endif - - /* The Malloc area is immediately below the monitor copy in DRAM */ - malloc_start = dest_addr - TOTAL_MALLOC_LEN; - mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); - -#if !defined(CONFIG_SYS_NO_FLASH) - puts("Flash: "); - - flash_size = flash_init(); - if (flash_size > 0) { -# ifdef CONFIG_SYS_FLASH_CHECKSUM - char *s = getenv("flashchecksum"); - - print_size(flash_size, ""); - /* - * Compute and print flash CRC if flashchecksum is set to 'y' - * - * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX - */ - 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(); - } -#endif - -#if defined(CONFIG_CMD_NAND) - puts("NAND: "); - nand_init(); /* go init the NAND */ -#endif - -#if defined(CONFIG_CMD_ONENAND) - onenand_init(); -#endif - -#ifdef CONFIG_GENERIC_MMC - puts("MMC: "); - mmc_initialize(gd->bd); -#endif - -#ifdef CONFIG_HAS_DATAFLASH - AT91F_DataflashInit(); - dataflash_print_info(); -#endif - - /* initialize environment */ - env_relocate(); - -#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) - arm_pci_init(); -#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 - - /* set up exceptions */ - interrupt_init(); - /* enable exceptions */ - enable_interrupts(); - - /* Perform network card initialisation if necessary */ -#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 */ - load_addr = getenv_ulong("loadaddr", 16, load_addr); -#if defined(CONFIG_CMD_NET) - { - char *s = getenv("bootfile"); - - if (s != NULL) - copy_filename(BootFile, s, sizeof(BootFile)); - } -#endif - -#ifdef CONFIG_BOARD_LATE_INIT - board_late_init(); -#endif - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) - puts("Net: "); - eth_initialize(gd->bd); -#if defined(CONFIG_RESET_PHY_R) - debug("Reset Ethernet PHY\n"); - reset_phy(); -#endif -#endif - -#ifdef CONFIG_POST - post_run(NULL, POST_RAM | post_bootmode_get(0)); -#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 = 0; - uchar memsz[32]; - -#ifdef CONFIG_PRAM - pram = getenv_ulong("pram", 10, CONFIG_PRAM); -#endif -#ifdef CONFIG_LOGBUFFER -#ifndef CONFIG_ALT_LB_ADDR - /* Also take the logbuffer into account (pram is in kB) */ - pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024; -#endif -#endif - sprintf((char *)memsz, "%ldk", (gd->ram_size / 1024) - pram); - setenv("mem", (char *)memsz); - } -#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 (;;); -}