[deliverable/linux.git] / arch / mips / include / asm / mach-bcm47xx / nvram.h

/*
 *  Copyright (C) 2005, Broadcom Corporation
 *  Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org>
 *
 *  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.
 */

#ifndef __NVRAM_H
#define __NVRAM_H

#include <linux/types.h>
#include <linux/kernel.h>

struct nvram_header {
	u32 magic;
	u32 len;
	u32 crc_ver_init;	/* 0:7 crc, 8:15 ver, 16:31 sdram_init */
	u32 config_refresh;	/* 0:15 sdram_config, 16:31 sdram_refresh */
	u32 config_ncdl;	/* ncdl values for memc */
};

#define NVRAM_HEADER		0x48534C46	/* 'FLSH' */
#define NVRAM_VERSION		1
#define NVRAM_HEADER_SIZE	20
#define NVRAM_SPACE		0x8000

#define FLASH_MIN		0x00020000	/* Minimum flash size */

#define NVRAM_MAX_VALUE_LEN 255
#define NVRAM_MAX_PARAM_LEN 64

#define NVRAM_ERR_INV_PARAM	-8
#define NVRAM_ERR_ENVNOTFOUND	-9

extern int nvram_getenv(char *name, char *val, size_t val_len);

static inline void nvram_parse_macaddr(char *buf, u8 *macaddr)
{
	if (strchr(buf, ':'))
		sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
			&macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
			&macaddr[5]);
	else if (strchr(buf, '-'))
		sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
			&macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
			&macaddr[5]);
	else
		printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
}

#endif
Commit	Line	Data
121915c4 WB	1	/*
	2	* Copyright (C) 2005, Broadcom Corporation
	3	* Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org>
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License as published by the
	7	* Free Software Foundation; either version 2 of the License, or (at your
	8	* option) any later version.
	9	*/
	10
	11	#ifndef __NVRAM_H
	12	#define __NVRAM_H
	13
	14	#include <linux/types.h>
59833fcf	15	#include <linux/kernel.h>
121915c4 WB	16
	17	struct nvram_header {
	18	u32 magic;
	19	u32 len;
	20	u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
	21	u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
	22	u32 config_ncdl; /* ncdl values for memc */
	23	};
	24
	25	#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
	26	#define NVRAM_VERSION 1
	27	#define NVRAM_HEADER_SIZE 20
	28	#define NVRAM_SPACE 0x8000
	29
	30	#define FLASH_MIN 0x00020000 /* Minimum flash size */
	31
	32	#define NVRAM_MAX_VALUE_LEN 255
	33	#define NVRAM_MAX_PARAM_LEN 64
	34
47a34861 HM	35	#define NVRAM_ERR_INV_PARAM -8
	36	#define NVRAM_ERR_ENVNOTFOUND -9
	37
121915c4 WB	38	extern int nvram_getenv(char name, char val, size_t val_len);
121915c4 WB	39
59833fcf HM	40	static inline void nvram_parse_macaddr(char buf, u8 macaddr)
59833fcf HM	41	{
9cbda726 HM	42	if (strchr(buf, ':'))
	43	sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
	44	&macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
	45	&macaddr[5]);
	46	else if (strchr(buf, '-'))
	47	sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
	48	&macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
	49	&macaddr[5]);
	50	else
	51	printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
59833fcf HM	52	}
59833fcf HM	53
121915c4	54	#endif