diff options
author | David Howells <dhowells@redhat.com> | 2012-10-09 09:47:26 +0100 |
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committer | David Howells <dhowells@redhat.com> | 2012-10-09 09:47:26 +0100 |
commit | c3617f72036c909e1f6086b5b9e364e0ef90a6da (patch) | |
tree | 0c70e14cd6b42bc832f49f33f068e3f81b565cda /arch/powerpc/include/uapi/asm/nvram.h | |
parent | 9e2d8656f5e8aa214e66b462680cf86b210b74a8 (diff) |
UAPI: (Scripted) Disintegrate arch/powerpc/include/asm
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'arch/powerpc/include/uapi/asm/nvram.h')
-rw-r--r-- | arch/powerpc/include/uapi/asm/nvram.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/powerpc/include/uapi/asm/nvram.h b/arch/powerpc/include/uapi/asm/nvram.h new file mode 100644 index 00000000000..608bdc8aedd --- /dev/null +++ b/arch/powerpc/include/uapi/asm/nvram.h @@ -0,0 +1,62 @@ +/* + * NVRAM definitions and access functions. + * + * 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 _UAPI_ASM_POWERPC_NVRAM_H +#define _UAPI_ASM_POWERPC_NVRAM_H + +/* Signatures for nvram partitions */ +#define NVRAM_SIG_SP 0x02 /* support processor */ +#define NVRAM_SIG_OF 0x50 /* open firmware config */ +#define NVRAM_SIG_FW 0x51 /* general firmware */ +#define NVRAM_SIG_HW 0x52 /* hardware (VPD) */ +#define NVRAM_SIG_FLIP 0x5a /* Apple flip/flop header */ +#define NVRAM_SIG_APPL 0x5f /* Apple "system" (???) */ +#define NVRAM_SIG_SYS 0x70 /* system env vars */ +#define NVRAM_SIG_CFG 0x71 /* config data */ +#define NVRAM_SIG_ELOG 0x72 /* error log */ +#define NVRAM_SIG_VEND 0x7e /* vendor defined */ +#define NVRAM_SIG_FREE 0x7f /* Free space */ +#define NVRAM_SIG_OS 0xa0 /* OS defined */ +#define NVRAM_SIG_PANIC 0xa1 /* Apple OSX "panic" */ + + +/* PowerMac specific nvram stuffs */ + +enum { + pmac_nvram_OF, /* Open Firmware partition */ + pmac_nvram_XPRAM, /* MacOS XPRAM partition */ + pmac_nvram_NR /* MacOS Name Registry partition */ +}; + + +/* Some offsets in XPRAM */ +#define PMAC_XPRAM_MACHINE_LOC 0xe4 +#define PMAC_XPRAM_SOUND_VOLUME 0x08 + +/* Machine location structure in PowerMac XPRAM */ +struct pmac_machine_location { + unsigned int latitude; /* 2+30 bit Fractional number */ + unsigned int longitude; /* 2+30 bit Fractional number */ + unsigned int delta; /* mix of GMT delta and DLS */ +}; + +/* + * /dev/nvram ioctls + * + * Note that PMAC_NVRAM_GET_OFFSET is still supported, but is + * definitely obsolete. Do not use it if you can avoid it + */ + +#define OBSOLETE_PMAC_NVRAM_GET_OFFSET \ + _IOWR('p', 0x40, int) + +#define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */ +#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */ + +#endif /* _UAPI_ASM_POWERPC_NVRAM_H */ |