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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
| commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
| tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/linux/linux/include/linux/nvram.h | |
| parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
| download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 | |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/linux/linux/include/linux/nvram.h')
| -rw-r--r-- | release/src/linux/linux/include/linux/nvram.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/release/src/linux/linux/include/linux/nvram.h b/release/src/linux/linux/include/linux/nvram.h new file mode 100644 index 00000000..b031e41b --- /dev/null +++ b/release/src/linux/linux/include/linux/nvram.h @@ -0,0 +1,27 @@ +#ifndef _LINUX_NVRAM_H +#define _LINUX_NVRAM_H + +#include <linux/ioctl.h> + +/* /dev/nvram ioctls */ +#define NVRAM_INIT _IO('p', 0x40) /* initialize NVRAM and set checksum */ +#define NVRAM_SETCKS _IO('p', 0x41) /* recalculate checksum */ + +/* for all current systems, this is where NVRAM starts */ +#define NVRAM_FIRST_BYTE 14 +/* all these functions expect an NVRAM offset, not an absolute */ +#define NVRAM_OFFSET(x) ((x)-NVRAM_FIRST_BYTE) + +#ifdef __KERNEL__ +/* __foo is foo without grabbing the rtc_lock - get it yourself */ +extern unsigned char __nvram_read_byte(int i); +extern unsigned char nvram_read_byte(int i); +extern void __nvram_write_byte(unsigned char c, int i); +extern void nvram_write_byte(unsigned char c, int i); +extern int __nvram_check_checksum(void); +extern int nvram_check_checksum(void); +extern void __nvram_set_checksum(void); +extern void nvram_set_checksum(void); +#endif + +#endif /* _LINUX_NVRAM_H */ |