diff options
Diffstat (limited to 'arch/powerpc/include/asm/nvram.h')
| -rw-r--r-- | arch/powerpc/include/asm/nvram.h | 52 |
1 files changed, 11 insertions, 41 deletions
diff --git a/arch/powerpc/include/asm/nvram.h b/arch/powerpc/include/asm/nvram.h index 850b72f2744..92efe67d1c5 100644 --- a/arch/powerpc/include/asm/nvram.h +++ b/arch/powerpc/include/asm/nvram.h @@ -10,31 +10,7 @@ #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 - +/* 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 */ @@ -49,32 +25,19 @@ #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> -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); @@ -85,6 +48,13 @@ static inline int mmio_nvram_init(void) } #endif +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); +extern int nvram_get_partition_size(loff_t data_index); +extern loff_t nvram_find_partition(const char *name, int sig, int *out_size); + #endif /* __KERNEL__ */ /* PowerMac specific nvram stuffs */ |