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powerpc/nvram: Move things out of asm/nvram.h

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This moves a bunch of definitions out of asm/nvram.h to the files
that use them or just outright remove completely unused stuff.

We leave the partition signatures definitions, they will be useful

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2010-07-29 14:45:24 +10:00
parent f2e785ed5f
commit 74d51d0298
4 changed files with 28 additions and 41 deletions
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42
arch/powerpc/include/asm/nvram.h
View file

@ -10,31 +10,7 @@
#ifndef _ASM_POWERPC_NVRAM_H #ifndef _ASM_POWERPC_NVRAM_H
#define _ASM_POWERPC_NVRAM_H #define _ASM_POWERPC_NVRAM_H
#include <linux/errno.h> /* Signatures for nvram partitions */
#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_SP 0x02 /* support processor */
#define NVRAM_SIG_OF 0x50 /* open firmware config */ #define NVRAM_SIG_OF 0x50 /* open firmware config */
#define NVRAM_SIG_FW 0x51 /* general firmware */ #define NVRAM_SIG_FW 0x51 /* general firmware */
@ -49,25 +25,11 @@
#define NVRAM_SIG_OS 0xa0 /* OS defined */ #define NVRAM_SIG_OS 0xa0 /* OS defined */
#define NVRAM_SIG_PANIC 0xa1 /* Apple OSX "panic" */ #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__ #ifdef __KERNEL__
#include <linux/errno.h>
#include <linux/list.h> #include <linux/list.h>
struct nvram_partition {
struct list_head partition;
struct nvram_header header;
unsigned int index;
};
extern int nvram_write_error_log(char * buff, int length, extern int nvram_write_error_log(char * buff, int length,
unsigned int err_type, unsigned int err_seq); unsigned int err_type, unsigned int err_seq);
extern int nvram_read_error_log(char * buff, int length, extern int nvram_read_error_log(char * buff, int length,

21
arch/powerpc/kernel/nvram_64.c
View file

@ -34,6 +34,25 @@
#undef DEBUG_NVRAM #undef DEBUG_NVRAM
#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)
/* 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];
};
struct nvram_partition {
struct list_head partition;
struct nvram_header header;
unsigned int index;
};
static struct nvram_partition * nvram_part; static struct nvram_partition * nvram_part;
static long nvram_error_log_index = -1; static long nvram_error_log_index = -1;
static long nvram_error_log_size = 0; static long nvram_error_log_size = 0;
@ -432,7 +451,7 @@ static int __init nvram_setup_partition(void)
} }
/* try creating a partition with the free space we have */ /* try creating a partition with the free space we have */
rc = nvram_create_os_partition(); rc = nvram_create_partition("ppc64,linux", );
if (!rc) { if (!rc) {
return 0; return 0;
} }

4
arch/powerpc/platforms/chrp/time.c
View file

@ -29,6 +29,10 @@
extern spinlock_t rtc_lock; extern spinlock_t rtc_lock;
#define NVRAM_AS0 0x74
#define NVRAM_AS1 0x75
#define NVRAM_DATA 0x77
static int nvram_as1 = NVRAM_AS1; static int nvram_as1 = NVRAM_AS1;
static int nvram_as0 = NVRAM_AS0; static int nvram_as0 = NVRAM_AS0;
static int nvram_data = NVRAM_DATA; static int nvram_data = NVRAM_DATA;

2
arch/powerpc/platforms/pseries/nvram.c
View file

@ -27,6 +27,8 @@ static int nvram_fetch, nvram_store;
static char nvram_buf[NVRW_CNT]; /* assume this is in the first 4GB */ static char nvram_buf[NVRW_CNT]; /* assume this is in the first 4GB */
static DEFINE_SPINLOCK(nvram_lock); static DEFINE_SPINLOCK(nvram_lock);
/* Max bytes to read/write in one go */
#define NVRW_CNT 0x20
static ssize_t pSeries_nvram_read(char *buf, size_t count, loff_t *index) static ssize_t pSeries_nvram_read(char *buf, size_t count, loff_t *index)
{ {