diff options
Diffstat (limited to 'drivers/char/nvram.c')
| -rw-r--r-- | drivers/char/nvram.c | 192 |
1 files changed, 1 insertions, 191 deletions
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index 204deaa0de80..98dec380af49 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -42,19 +42,12 @@ #define PC 1 #define ATARI 2 -#define COBALT 3 /* select machine configuration */ #if defined(CONFIG_ATARI) # define MACH ATARI #elif defined(__i386__) || defined(__x86_64__) || defined(__arm__) /* and others?? */ -#define MACH PC -# if defined(CONFIG_COBALT) -# include <linux/cobalt-nvram.h> -# define MACH COBALT -# else -# define MACH PC -# endif +# define MACH PC #else # error Cannot build nvram driver for this machine configuration. #endif @@ -76,18 +69,6 @@ #endif -#if MACH == COBALT - -#define CHECK_DRIVER_INIT() 1 - -#define NVRAM_BYTES (128-NVRAM_FIRST_BYTE) - -#define mach_check_checksum cobalt_check_checksum -#define mach_set_checksum cobalt_set_checksum -#define mach_proc_infos cobalt_proc_infos - -#endif - #if MACH == ATARI /* Special parameters for RTC in Atari machines */ @@ -604,177 +585,6 @@ pc_proc_infos(unsigned char *nvram, char *buffer, int *len, #endif /* MACH == PC */ -#if MACH == COBALT - -/* the cobalt CMOS has a wider range of its checksum */ -static int cobalt_check_checksum(void) -{ - int i; - unsigned short sum = 0; - unsigned short expect; - - for (i = COBT_CMOS_CKS_START; i <= COBT_CMOS_CKS_END; ++i) { - if ((i == COBT_CMOS_CHECKSUM) || (i == (COBT_CMOS_CHECKSUM+1))) - continue; - - sum += __nvram_read_byte(i); - } - expect = __nvram_read_byte(COBT_CMOS_CHECKSUM) << 8 | - __nvram_read_byte(COBT_CMOS_CHECKSUM+1); - return ((sum & 0xffff) == expect); -} - -static void cobalt_set_checksum(void) -{ - int i; - unsigned short sum = 0; - - for (i = COBT_CMOS_CKS_START; i <= COBT_CMOS_CKS_END; ++i) { - if ((i == COBT_CMOS_CHECKSUM) || (i == (COBT_CMOS_CHECKSUM+1))) - continue; - - sum += __nvram_read_byte(i); - } - - __nvram_write_byte(sum >> 8, COBT_CMOS_CHECKSUM); - __nvram_write_byte(sum & 0xff, COBT_CMOS_CHECKSUM+1); -} - -#ifdef CONFIG_PROC_FS - -static int cobalt_proc_infos(unsigned char *nvram, char *buffer, int *len, - off_t *begin, off_t offset, int size) -{ - int i; - unsigned int checksum; - unsigned int flags; - char sernum[14]; - char *key = "cNoEbTaWlOtR!"; - unsigned char bto_csum; - - spin_lock_irq(&rtc_lock); - checksum = __nvram_check_checksum(); - spin_unlock_irq(&rtc_lock); - - PRINT_PROC("Checksum status: %svalid\n", checksum ? "" : "not "); - - flags = nvram[COBT_CMOS_FLAG_BYTE_0] << 8 - | nvram[COBT_CMOS_FLAG_BYTE_1]; - - PRINT_PROC("Console: %s\n", - flags & COBT_CMOS_CONSOLE_FLAG ? "on": "off"); - - PRINT_PROC("Firmware Debug Messages: %s\n", - flags & COBT_CMOS_DEBUG_FLAG ? "on": "off"); - - PRINT_PROC("Auto Prompt: %s\n", - flags & COBT_CMOS_AUTO_PROMPT_FLAG ? "on": "off"); - - PRINT_PROC("Shutdown Status: %s\n", - flags & COBT_CMOS_CLEAN_BOOT_FLAG ? "clean": "dirty"); - - PRINT_PROC("Hardware Probe: %s\n", - flags & COBT_CMOS_HW_NOPROBE_FLAG ? "partial": "full"); - - PRINT_PROC("System Fault: %sdetected\n", - flags & COBT_CMOS_SYSFAULT_FLAG ? "": "not "); - - PRINT_PROC("Panic on OOPS: %s\n", - flags & COBT_CMOS_OOPSPANIC_FLAG ? "yes": "no"); - - PRINT_PROC("Delayed Cache Initialization: %s\n", - flags & COBT_CMOS_DELAY_CACHE_FLAG ? "yes": "no"); - - PRINT_PROC("Show Logo at Boot: %s\n", - flags & COBT_CMOS_NOLOGO_FLAG ? "no": "yes"); - - PRINT_PROC("Boot Method: "); - switch (nvram[COBT_CMOS_BOOT_METHOD]) { - case COBT_CMOS_BOOT_METHOD_DISK: - PRINT_PROC("disk\n"); - break; - - case COBT_CMOS_BOOT_METHOD_ROM: - PRINT_PROC("rom\n"); - break; - - case COBT_CMOS_BOOT_METHOD_NET: - PRINT_PROC("net\n"); - break; - - default: - PRINT_PROC("unknown\n"); - break; - } - - PRINT_PROC("Primary Boot Device: %d:%d\n", - nvram[COBT_CMOS_BOOT_DEV0_MAJ], - nvram[COBT_CMOS_BOOT_DEV0_MIN] ); - PRINT_PROC("Secondary Boot Device: %d:%d\n", - nvram[COBT_CMOS_BOOT_DEV1_MAJ], - nvram[COBT_CMOS_BOOT_DEV1_MIN] ); - PRINT_PROC("Tertiary Boot Device: %d:%d\n", - nvram[COBT_CMOS_BOOT_DEV2_MAJ], - nvram[COBT_CMOS_BOOT_DEV2_MIN] ); - - PRINT_PROC("Uptime: %d\n", - nvram[COBT_CMOS_UPTIME_0] << 24 | - nvram[COBT_CMOS_UPTIME_1] << 16 | - nvram[COBT_CMOS_UPTIME_2] << 8 | - nvram[COBT_CMOS_UPTIME_3]); - - PRINT_PROC("Boot Count: %d\n", - nvram[COBT_CMOS_BOOTCOUNT_0] << 24 | - nvram[COBT_CMOS_BOOTCOUNT_1] << 16 | - nvram[COBT_CMOS_BOOTCOUNT_2] << 8 | - nvram[COBT_CMOS_BOOTCOUNT_3]); - - /* 13 bytes of serial num */ - for (i=0 ; i<13 ; i++) { - sernum[i] = nvram[COBT_CMOS_SYS_SERNUM_0 + i]; - } - sernum[13] = '\0'; - - checksum = 0; - for (i=0 ; i<13 ; i++) { - checksum += sernum[i] ^ key[i]; - } - checksum = ((checksum & 0x7f) ^ (0xd6)) & 0xff; - - PRINT_PROC("Serial Number: %s", sernum); - if (checksum != nvram[COBT_CMOS_SYS_SERNUM_CSUM]) { - PRINT_PROC(" (invalid checksum)"); - } - PRINT_PROC("\n"); - - PRINT_PROC("Rom Revison: %d.%d.%d\n", nvram[COBT_CMOS_ROM_REV_MAJ], - nvram[COBT_CMOS_ROM_REV_MIN], nvram[COBT_CMOS_ROM_REV_REV]); - - PRINT_PROC("BTO Server: %d.%d.%d.%d", nvram[COBT_CMOS_BTO_IP_0], - nvram[COBT_CMOS_BTO_IP_1], nvram[COBT_CMOS_BTO_IP_2], - nvram[COBT_CMOS_BTO_IP_3]); - bto_csum = nvram[COBT_CMOS_BTO_IP_0] + nvram[COBT_CMOS_BTO_IP_1] - + nvram[COBT_CMOS_BTO_IP_2] + nvram[COBT_CMOS_BTO_IP_3]; - if (bto_csum != nvram[COBT_CMOS_BTO_IP_CSUM]) { - PRINT_PROC(" (invalid checksum)"); - } - PRINT_PROC("\n"); - - if (flags & COBT_CMOS_VERSION_FLAG - && nvram[COBT_CMOS_VERSION] >= COBT_CMOS_VER_BTOCODE) { - PRINT_PROC("BTO Code: 0x%x\n", - nvram[COBT_CMOS_BTO_CODE_0] << 24 | - nvram[COBT_CMOS_BTO_CODE_1] << 16 | - nvram[COBT_CMOS_BTO_CODE_2] << 8 | - nvram[COBT_CMOS_BTO_CODE_3]); - } - - return 1; -} -#endif /* CONFIG_PROC_FS */ - -#endif /* MACH == COBALT */ - #if MACH == ATARI static int |