diff options
author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-12-26 19:51:14 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2013-02-15 19:01:57 +0100 |
commit | 111bd981e2216827aab95503596501ab71bc7a7d (patch) | |
tree | b4895d5923bd065ab1dfa74cae893c24c97bc340 /arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | |
parent | f36738ddfeea02867b393e7f34da0cec48bafc54 (diff) | |
download | lwn-111bd981e2216827aab95503596501ab71bc7a7d.tar.gz lwn-111bd981e2216827aab95503596501ab71bc7a7d.zip |
MIPS: BCM47XX: add bcm47xx prefix in front of nvram function names
The nvram functions are exported and used by some normal drivers. To
prevent name clashes with ofter parts of the kernel code add a bcm47xx_
prefix in front of the function names and the header file name.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Patchwork: http://patchwork.linux-mips.org/patch/4744/
Signed-off-by: John Crispin <blogic@openwrt.org>
Diffstat (limited to 'arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h')
-rw-r--r-- | arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h new file mode 100644 index 000000000000..b8e7be8f34dd --- /dev/null +++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h @@ -0,0 +1,51 @@ +/* + * 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 __BCM47XX_NVRAM_H +#define __BCM47XX_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 + +extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len); + +static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) +{ + 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 /* __BCM47XX_NVRAM_H */ |