C++ (Cpp) enable_nvram示例

示例#1

文件： env_nvram.c 项目： TeXniKK/silverstore-uboot

/************************************************************************
 * Initialize Environment use
 *
 * We are still running from ROM, so data use is limited
 */
int env_init (void)
{
	DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif
#if defined(CFG_NVRAM_ACCESS_ROUTINE)
	ulong crc;
	uchar data[ENV_SIZE];
	nvram_read (&crc, CFG_ENV_ADDR, sizeof(ulong));
	nvram_read (data, CFG_ENV_ADDR+sizeof(ulong), ENV_SIZE);

	if (crc32(0, data, ENV_SIZE) == crc) {
		gd->env_addr  = (ulong)CFG_ENV_ADDR + sizeof(long);
#else
	if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
		gd->env_addr  = (ulong)&(env_ptr->data);
#endif
		gd->env_valid = 1;
	} else {
		gd->env_addr  = (ulong)&default_environment[0];
		gd->env_valid = 0;
	}
#ifdef CONFIG_AMIGAONEG3SE
	disable_nvram();
#endif
	return (0);
}

示例#2

文件： env_common.c 项目： sensysnetworks/u-boot-at91

void env_relocate (void)
{
  	unsigned char initEthAddr = 0;

	DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
		gd->reloc_off);

#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif

#ifdef ENV_IS_EMBEDDED
	/*
	 * The environment buffer is embedded with the text segment,
	 * just relocate the environment pointer
	 */
	env_ptr = (env_t *)((ulong)env_ptr + gd->reloc_off);
	DEBUGF ("%s[%d] embedded ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#else
	/*
	 * We must allocate a buffer for the environment
	 */
	env_ptr = (env_t *)malloc (CONFIG_ENV_SIZE);
	DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#endif

	if (gd->env_valid == 0) {
#if defined(CONFIG_GTH)	|| defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		puts ("Using default environment\n\n");
#else
		puts ("*** Warning - bad CRC, using default environment\n\n");
		show_boot_progress (-60);
#endif
		set_default_env();
		initEthAddr = 1;
	}
	else {
		env_relocate_spec ();
	}
	gd->env_addr = (ulong)&(env_ptr->data);

#ifdef CONFIG_AMIGAONEG3SE
	disable_nvram();
#endif

	if (initEthAddr) {
	  	const char * ethaddr = getenv("ethaddr");

		if (ethaddr == 0L) {
		  	extern const char * env_read_backup_mac(void );
			ethaddr = env_read_backup_mac();
			if (ethaddr != 0L && strlen(ethaddr) == 17) {
			  	setenv("ethaddr", ethaddr);
			}
		}
	}
}

示例#3

文件： env_common.c 项目： AceecaNZ/MEZ1500Rev2dLinuxUboot

void env_relocate (void)
{
	DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
		gd->reloc_off);

#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif

#ifdef ENV_IS_EMBEDDED
	/*
	 * The environment buffer is embedded with the text segment,
	 * just relocate the environment pointer
	 */
	env_ptr = (env_t *)((ulong)env_ptr + gd->reloc_off);
	DEBUGF ("%s[%d] embedded ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#else
	/*
	 * We must allocate a buffer for the environment
	 */
	env_ptr = (env_t *)malloc (CFG_ENV_SIZE);
	DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#endif

	/*
	 * After relocation to RAM, we can always use the "memory" functions
	 */
	env_get_char = env_get_char_memory;

	if (gd->env_valid == 0) {
#if defined(CONFIG_GTH)	|| defined(CFG_ENV_IS_NOWHERE)	/* Environment not changable */
		puts ("Using default environment\n\n");
#else
		puts ("*** Warning - bad CRC, using default environment\n\n");
		show_boot_progress (-60);
#endif
	}

#ifdef CFG_PREBOOT_OVERRIDE
	if (preboot_override)
		gd->env_valid = 0;
#endif

	if (gd->env_valid == 0)
		default_env();
	else {
		env_relocate_spec ();
	}
	gd->env_addr = (ulong)&(env_ptr->data);

#ifdef CONFIG_AMIGAONEG3SE
	disable_nvram();
#endif
}

示例#4

文件： env_common.c 项目： tdautc19841202/e_wificam

uchar env_get_char_memory (int index)
{
	uchar retval;
	enable_nvram();
	if (gd->env_valid) {
		retval = ( *((uchar *)(gd->env_addr + index)) );
	} else {
		retval = ( default_environment[index] );
	}
	disable_nvram();
	return retval;
}

示例#5

文件： env_nvram.c 项目： TeXniKK/silverstore-uboot

uchar env_get_char_spec (int index)
{
#ifdef CFG_NVRAM_ACCESS_ROUTINE
	uchar c;

	nvram_read(&c, CFG_ENV_ADDR+index, 1);

	return c;
#else
	DECLARE_GLOBAL_DATA_PTR;
	uchar retval;
	enable_nvram();
	retval = *((uchar *)(gd->env_addr + index));
	disable_nvram();
	return retval;
#endif
}

示例#6

文件： env_common.c 项目： alessandroste/Nufront_uboot

void env_relocate (void)
{
	DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
		gd->reloc_off);

#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif

#ifdef ENV_IS_EMBEDDED
	/*
	 * The environment buffer is embedded with the text segment,
	 * just relocate the environment pointer
	 */
	env_ptr = (env_t *)((ulong)env_ptr + gd->reloc_off);
	DEBUGF ("%s[%d] embedded ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#else
	/*
	 * We must allocate a buffer for the environment
	 */
	env_ptr = (env_t *)malloc (CONFIG_ENV_SIZE);
	DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#endif

	if (gd->env_valid == 0) {
#if defined(CONFIG_GTH)	|| defined(CONFIG_ENV_IS_NOWHERE)	/* Environment not changable */
		puts ("Using default environment\n\n");
#else
		puts ("*** Warning - bad CRC, using default environment\n\n");
		show_boot_progress (-60);
#endif
		set_default_env();
	}
	else {
		env_relocate_spec ();
	}
	gd->env_addr = (ulong)&(env_ptr->data);

//#if defined(CONFIG_ARCH_NS2816_DEMO)
	gd->bd->bi_env = gd->env_addr;
//#endif

#ifdef CONFIG_AMIGAONEG3SE
	disable_nvram();
#endif
}

示例#7

文件： env_nvram.c 项目： TeXniKK/silverstore-uboot

int saveenv (void)
{
	int rcode = 0;
#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif
#ifdef CFG_NVRAM_ACCESS_ROUTINE
	nvram_write(CFG_ENV_ADDR, env_ptr, CFG_ENV_SIZE);
#else
	if (memcpy ((char *)CFG_ENV_ADDR, env_ptr, CFG_ENV_SIZE) == NULL)
		    rcode = 1 ;
#endif
#ifdef CONFIG_AMIGAONEG3SE
	udelay(10000);
	disable_nvram();
#endif
	return rcode;
}

示例#8

文件： env_common.c 项目： noblepepper/Das-U-boot

void env_relocate (void)
{
	DECLARE_GLOBAL_DATA_PTR;

	DEBUGF ("%s[%d] offset = 0x%lx\n", __FUNCTION__,__LINE__,
		gd->reloc_off);

#ifdef CONFIG_AMIGAONEG3SE
	enable_nvram();
#endif

#ifdef ENV_IS_EMBEDDED
	/*
	 * The environment buffer is embedded with the text segment,
	 * just relocate the environment pointer
	 */
	env_ptr = (env_t *)((ulong)env_ptr + gd->reloc_off);
	DEBUGF ("%s[%d] embedded ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#else
	/*
	 * We must allocate a buffer for the environment
	 */
	env_ptr = (env_t *)malloc (CFG_ENV_SIZE);
	DEBUGF ("%s[%d] malloced ENV at %p\n", __FUNCTION__,__LINE__,env_ptr);
#endif

	/*
	 * After relocation to RAM, we can always use the "memory" functions
	 */
	env_get_char = env_get_char_memory;

	if (gd->env_valid == 0) {
#if defined(CONFIG_GTH)	|| defined(CFG_ENV_IS_NOWHERE)	/* Environment not changable */
		puts ("Using default environment\n\n");
#else
		puts ("*** Warning - bad CRC, using default environment\n\n");
		SHOW_BOOT_PROGRESS (-1);
#endif

		if (sizeof(default_environment) > ENV_SIZE)
		{
			puts ("*** Error - default environment is too large\n\n");
			return;
		}

		memset (env_ptr, 0, sizeof(env_t));
		memcpy (env_ptr->data,
			default_environment,
			sizeof(default_environment));
#ifdef CFG_REDUNDAND_ENVIRONMENT
		env_ptr->flags = 0xFF;
#endif
		env_crc_update ();
		gd->env_valid = 1;
	}
	else {
		env_relocate_spec ();
	}
	gd->env_addr = (ulong)&(env_ptr->data);

#ifdef CONFIG_AMIGAONEG3SE
	disable_nvram();
#endif
}