diff options
Diffstat (limited to 'arch/powerpc/include/asm/nvram.h')
| -rw-r--r-- | arch/powerpc/include/asm/nvram.h | 104 |
1 files changed, 11 insertions, 93 deletions
diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 850b72f2744..b0fe0fe4e62 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -6,75 +6,22 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ - #ifndef _ASM_POWERPC_NVRAM_H #define _ASM_POWERPC_NVRAM_H -#include <linux/errno.h> - -#define NVRW_CNT 0x20 -#define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */ -#define NVRAM_BLOCK_LEN 16 -#define NVRAM_MAX_REQ (2080/NVRAM_BLOCK_LEN) -#define NVRAM_MIN_REQ (1056/NVRAM_BLOCK_LEN) - -#define NVRAM_AS0 0x74 -#define NVRAM_AS1 0x75 -#define NVRAM_DATA 0x77 - - -/* RTC Offsets */ - -#define MOTO_RTC_SECONDS 0x1FF9 -#define MOTO_RTC_MINUTES 0x1FFA -#define MOTO_RTC_HOURS 0x1FFB -#define MOTO_RTC_DAY_OF_WEEK 0x1FFC -#define MOTO_RTC_DAY_OF_MONTH 0x1FFD -#define MOTO_RTC_MONTH 0x1FFE -#define MOTO_RTC_YEAR 0x1FFF -#define MOTO_RTC_CONTROLA 0x1FF8 -#define MOTO_RTC_CONTROLB 0x1FF9 - -#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" */ - -/* If change this size, then change the size of NVNAME_LEN */ -struct nvram_header { - unsigned char signature; - unsigned char checksum; - unsigned short length; - char name[12]; -}; - -#ifdef __KERNEL__ +#include <linux/errno.h> #include <linux/list.h> +#include <uapi/asm/nvram.h> -struct nvram_partition { - struct list_head partition; - struct nvram_header header; - unsigned int index; -}; - - +#ifdef CONFIG_PPC_PSERIES extern int nvram_write_error_log(char * buff, int length, unsigned int err_type, unsigned int err_seq); extern int nvram_read_error_log(char * buff, int length, unsigned int * err_type, unsigned int *err_seq); extern int nvram_clear_error_log(void); - extern int pSeries_nvram_init(void); +#endif /* CONFIG_PPC_PSERIES */ #ifdef CONFIG_MMIO_NVRAM extern int mmio_nvram_init(void); @@ -85,17 +32,14 @@ static inline int mmio_nvram_init(void) } #endif -#endif /* __KERNEL__ */ - -/* PowerMac specific nvram stuffs */ +extern int __init nvram_scan_partitions(void); +extern loff_t nvram_create_partition(const char *name, int sig, + int req_size, int min_size); +extern int nvram_remove_partition(const char *name, int sig, + const char *exceptions[]); +extern int nvram_get_partition_size(loff_t data_index); +extern loff_t nvram_find_partition(const char *name, int sig, int *out_size); -enum { - pmac_nvram_OF, /* Open Firmware partition */ - pmac_nvram_XPRAM, /* MacOS XPRAM partition */ - pmac_nvram_NR /* MacOS Name Registry partition */ -}; - -#ifdef __KERNEL__ /* Return partition offset in nvram */ extern int pmac_get_partition(int partition); @@ -112,30 +56,4 @@ extern ssize_t nvram_get_size(void); /* Normal access to NVRAM */ extern unsigned char nvram_read_byte(int i); extern void nvram_write_byte(unsigned char c, int i); -#endif - -/* 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 /* _ASM_POWERPC_NVRAM_H */ |