diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-05-12 21:05:59 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-05-12 21:05:59 +0000 |
| commit | ba2dacab305c598cd4c34a604f8e276bf5bab5ff (patch) | |
| tree | 78670a0139bf4d5ace617b29b7eba82bbc74d602 /include/asm-ppc/nvram.h | |
| parent | b77bf69998121e689c5e86cc5630d39a0a9ee6ca (diff) | |
Merge with Linux 2.3.99-pre7 and various other bits.
Diffstat (limited to 'include/asm-ppc/nvram.h')
| -rw-r--r-- | include/asm-ppc/nvram.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-ppc/nvram.h b/include/asm-ppc/nvram.h index ea7bf1914..985d2a321 100644 --- a/include/asm-ppc/nvram.h +++ b/include/asm-ppc/nvram.h @@ -30,4 +30,30 @@ #define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10) #endif +/* PowerMac specific nvram stuffs */ + +enum { + pmac_nvram_OF, /* Open Firmware partition */ + pmac_nvram_XPRAM, /* MacOS XPRAM partition */ + pmac_nvram_NR /* MacOS Name Registry partition */ +}; + +/* Return partition offset in nvram */ +extern int pmac_get_partition(int partition); + +/* Direct access to XPRAM */ +extern u8 pmac_xpram_read(int xpaddr); +extern void pmac_xpram_write(int xpaddr, u8 data); + +/* Some offsets in XPRAM */ +#define PMAC_XPRAM_MACHINE_LOC 0xe4 +#define PMAC_XPRAM_SOUND_VOLUME 0x08 + +/* Machine location structure in XPRAM */ +struct pmac_machine_location { + u32 latitude; /* 2+30 bit Fractional number */ + u32 longitude; /* 2+30 bit Fractional number */ + u32 delta; /* mix of GMT delta and DLS */ +}; + #endif |