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Diffstat (limited to 'include/asm-ppc/prep_nvram.h')
| -rw-r--r-- | include/asm-ppc/prep_nvram.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/include/asm-ppc/prep_nvram.h b/include/asm-ppc/prep_nvram.h deleted file mode 100644 index 6dbc36a84df..00000000000 --- a/include/asm-ppc/prep_nvram.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * PreP compliant NVRAM access - */ - -/* Corey Minyard (minyard@acm.org) - Stolen from PReP book. Per the - license I must say: - (C) Copyright (Corey Minyard), (1998). All rights reserved - */ - -/* Structure map for NVRAM on PowerPC Reference Platform */ -/* All fields are either character/byte strings which are valid either - endian or they are big-endian numbers. - - There are a number of Date and Time fields which are in RTC format, - big-endian. These are stored in UT (GMT). - - For enum's: if given in hex then they are bit significant, i.e. only - one bit is on for each enum. -*/ -#ifdef __KERNEL__ -#ifndef _PPC_PREP_NVRAM_H -#define _PPC_PREP_NVRAM_H - -#define MAX_PREP_NVRAM 0x8000 -#define PREP_NVRAM_AS0 0x74 -#define PREP_NVRAM_AS1 0x75 -#define PREP_NVRAM_DATA 0x77 - -#define NVSIZE 4096 /* size of NVRAM */ -#define OSAREASIZE 512 /* size of OSArea space */ -#define CONFSIZE 1024 /* guess at size of Configuration space */ - -typedef struct _SECURITY { - unsigned long BootErrCnt; /* Count of boot password errors */ - unsigned long ConfigErrCnt; /* Count of config password errors */ - unsigned long BootErrorDT[2]; /* Date&Time from RTC of last error in pw */ - unsigned long ConfigErrorDT[2]; /* Date&Time from RTC of last error in pw */ - unsigned long BootCorrectDT[2]; /* Date&Time from RTC of last correct pw */ - unsigned long ConfigCorrectDT[2]; /* Date&Time from RTC of last correct pw */ - unsigned long BootSetDT[2]; /* Date&Time from RTC of last set of pw */ - unsigned long ConfigSetDT[2]; /* Date&Time from RTC of last set of pw */ - unsigned char Serial[16]; /* Box serial number */ -} SECURITY; - -typedef enum _OS_ID { - Unknown = 0, - Firmware = 1, - AIX = 2, - NT = 3, - MKOS2 = 4, - MKAIX = 5, - Taligent = 6, - Solaris = 7, - MK = 12 -} OS_ID; - -typedef struct _ERROR_LOG { - unsigned char ErrorLogEntry[40]; /* To be architected */ -} ERROR_LOG; - -typedef enum _BOOT_STATUS { - BootStarted = 0x01, - BootFinished = 0x02, - RestartStarted = 0x04, - RestartFinished = 0x08, - PowerFailStarted = 0x10, - PowerFailFinished = 0x20, - ProcessorReady = 0x40, - ProcessorRunning = 0x80, - ProcessorStart = 0x0100 -} BOOT_STATUS; - -typedef struct _RESTART_BLOCK { - unsigned short Version; - unsigned short Revision; - unsigned long ResumeReserve1[2]; - volatile unsigned long BootStatus; - unsigned long CheckSum; /* Checksum of RESTART_BLOCK */ - void * RestartAddress; - void * SaveAreaAddr; - unsigned long SaveAreaLength; -} RESTART_BLOCK; - -typedef enum _OSAREA_USAGE { - Empty = 0, - Used = 1 -} OSAREA_USAGE; - -typedef enum _PM_MODE { - Suspend = 0x80, /* Part of state is in memory */ - Normal = 0x00 /* No power management in effect */ -} PMMODE; - -typedef struct _HEADER { - unsigned short Size; /* NVRAM size in K(1024) */ - unsigned char Version; /* Structure map different */ - unsigned char Revision; /* Structure map the same -may - be new values in old fields - in other words old code still works */ - unsigned short Crc1; /* check sum from beginning of nvram to OSArea */ - unsigned short Crc2; /* check sum of config */ - unsigned char LastOS; /* OS_ID */ - unsigned char Endian; /* B if big endian, L if little endian */ - unsigned char OSAreaUsage; /* OSAREA_USAGE */ - unsigned char PMMode; /* Shutdown mode */ - RESTART_BLOCK RestartBlock; - SECURITY Security; - ERROR_LOG ErrorLog[2]; - - /* Global Environment information */ - void * GEAddress; - unsigned long GELength; - - /* Date&Time from RTC of last change to Global Environment */ - unsigned long GELastWriteDT[2]; - - /* Configuration information */ - void * ConfigAddress; - unsigned long ConfigLength; - - /* Date&Time from RTC of last change to Configuration */ - unsigned long ConfigLastWriteDT[2]; - unsigned long ConfigCount; /* Count of entries in Configuration */ - - /* OS dependent temp area */ - void * OSAreaAddress; - unsigned long OSAreaLength; - - /* Date&Time from RTC of last change to OSAreaArea */ - unsigned long OSAreaLastWriteDT[2]; -} HEADER; - -/* Here is the whole map of the NVRAM */ -typedef struct _NVRAM_MAP { - HEADER Header; - unsigned char GEArea[NVSIZE-CONFSIZE-OSAREASIZE-sizeof(HEADER)]; - unsigned char OSArea[OSAREASIZE]; - unsigned char ConfigArea[CONFSIZE]; -} NVRAM_MAP; - -/* Routines to manipulate the NVRAM */ -void init_prep_nvram(void); -char *prep_nvram_get_var(const char *name); -char *prep_nvram_first_var(void); -char *prep_nvram_next_var(char *name); - -/* Routines to read and write directly to the NVRAM */ -unsigned char prep_nvram_read_val(int addr); -void prep_nvram_write_val(int addr, - unsigned char val); - -#endif /* _PPC_PREP_NVRAM_H */ -#endif /* __KERNEL__ */ |