diff options
Diffstat (limited to 'drivers/watchdog/iTCO_vendor_support.c')
| -rw-r--r-- | drivers/watchdog/iTCO_vendor_support.c | 62 |
1 files changed, 33 insertions, 29 deletions
diff --git a/drivers/watchdog/iTCO_vendor_support.c b/drivers/watchdog/iTCO_vendor_support.c index cafc465f2ae3..ca344a85eb95 100644 --- a/drivers/watchdog/iTCO_vendor_support.c +++ b/drivers/watchdog/iTCO_vendor_support.c @@ -18,9 +18,9 @@ */ /* Module and version information */ -#define DRV_NAME "iTCO_vendor_support" -#define DRV_VERSION "1.01" -#define DRV_RELDATE "11-Nov-2006" +#define DRV_NAME "iTCO_vendor_support" +#define DRV_VERSION "1.01" +#define DRV_RELDATE "11-Nov-2006" #define PFX DRV_NAME ": " /* Includes */ @@ -31,19 +31,22 @@ #include <linux/kernel.h> /* For printk/panic/... */ #include <linux/init.h> /* For __init/__exit/... */ #include <linux/ioport.h> /* For io-port access */ +#include <linux/io.h> /* For inb/outb/... */ -#include <asm/io.h> /* For inb/outb/... */ +#include "iTCO_vendor.h" /* iTCO defines */ #define SMI_EN acpibase + 0x30 /* SMI Control and Enable Register */ -#define TCOBASE acpibase + 0x60 /* TCO base address */ -#define TCO1_STS TCOBASE + 0x04 /* TCO1 Status Register */ +#define TCOBASE acpibase + 0x60 /* TCO base address */ +#define TCO1_STS TCOBASE + 0x04 /* TCO1 Status Register */ /* List of vendor support modes */ -#define SUPERMICRO_OLD_BOARD 1 /* SuperMicro Pentium 3 Era 370SSE+-OEM1/P3TSSE */ -#define SUPERMICRO_NEW_BOARD 2 /* SuperMicro Pentium 4 / Xeon 4 / EMT64T Era Systems */ +/* SuperMicro Pentium 3 Era 370SSE+-OEM1/P3TSSE */ +#define SUPERMICRO_OLD_BOARD 1 +/* SuperMicro Pentium 4 / Xeon 4 / EMT64T Era Systems */ +#define SUPERMICRO_NEW_BOARD 2 -static int vendorsupport = 0; +static int vendorsupport; module_param(vendorsupport, int, 0); MODULE_PARM_DESC(vendorsupport, "iTCO vendor specific support mode, default=0 (none), 1=SuperMicro Pent3, 2=SuperMicro Pent4+"); @@ -143,34 +146,35 @@ static void supermicro_old_pre_keepalive(unsigned long acpibase) */ /* I/O Port's */ -#define SM_REGINDEX 0x2e /* SuperMicro ICH4+ Register Index */ -#define SM_DATAIO 0x2f /* SuperMicro ICH4+ Register Data I/O */ +#define SM_REGINDEX 0x2e /* SuperMicro ICH4+ Register Index */ +#define SM_DATAIO 0x2f /* SuperMicro ICH4+ Register Data I/O */ /* Control Register's */ -#define SM_CTLPAGESW 0x07 /* SuperMicro ICH4+ Control Page Switch */ -#define SM_CTLPAGE 0x08 /* SuperMicro ICH4+ Control Page Num */ +#define SM_CTLPAGESW 0x07 /* SuperMicro ICH4+ Control Page Switch */ +#define SM_CTLPAGE 0x08 /* SuperMicro ICH4+ Control Page Num */ -#define SM_WATCHENABLE 0x30 /* Watchdog enable: Bit 0: 0=off, 1=on */ +#define SM_WATCHENABLE 0x30 /* Watchdog enable: Bit 0: 0=off, 1=on */ -#define SM_WATCHPAGE 0x87 /* Watchdog unlock control page */ +#define SM_WATCHPAGE 0x87 /* Watchdog unlock control page */ -#define SM_ENDWATCH 0xAA /* Watchdog lock control page */ +#define SM_ENDWATCH 0xAA /* Watchdog lock control page */ -#define SM_COUNTMODE 0xf5 /* Watchdog count mode select */ - /* (Bit 3: 0 = seconds, 1 = minutes */ +#define SM_COUNTMODE 0xf5 /* Watchdog count mode select */ + /* (Bit 3: 0 = seconds, 1 = minutes */ -#define SM_WATCHTIMER 0xf6 /* 8-bits, Watchdog timer counter (RW) */ +#define SM_WATCHTIMER 0xf6 /* 8-bits, Watchdog timer counter (RW) */ -#define SM_RESETCONTROL 0xf7 /* Watchdog reset control */ - /* Bit 6: timer is reset by kbd interrupt */ - /* Bit 7: timer is reset by mouse interrupt */ +#define SM_RESETCONTROL 0xf7 /* Watchdog reset control */ + /* Bit 6: timer is reset by kbd interrupt */ + /* Bit 7: timer is reset by mouse interrupt */ static void supermicro_new_unlock_watchdog(void) { - outb(SM_WATCHPAGE, SM_REGINDEX); /* Write 0x87 to port 0x2e twice */ + /* Write 0x87 to port 0x2e twice */ outb(SM_WATCHPAGE, SM_REGINDEX); - - outb(SM_CTLPAGESW, SM_REGINDEX); /* Switch to watchdog control page */ + outb(SM_WATCHPAGE, SM_REGINDEX); + /* Switch to watchdog control page */ + outb(SM_CTLPAGESW, SM_REGINDEX); outb(SM_CTLPAGE, SM_DATAIO); } @@ -192,7 +196,7 @@ static void supermicro_new_pre_start(unsigned int heartbeat) outb(val, SM_DATAIO); /* Write heartbeat interval to WDOG */ - outb (SM_WATCHTIMER, SM_REGINDEX); + outb(SM_WATCHTIMER, SM_REGINDEX); outb((heartbeat & 255), SM_DATAIO); /* Make sure keyboard/mouse interrupts don't interfere */ @@ -277,7 +281,7 @@ EXPORT_SYMBOL(iTCO_vendor_pre_set_heartbeat); int iTCO_vendor_check_noreboot_on(void) { - switch(vendorsupport) { + switch (vendorsupport) { case SUPERMICRO_OLD_BOARD: return 0; default: @@ -288,13 +292,13 @@ EXPORT_SYMBOL(iTCO_vendor_check_noreboot_on); static int __init iTCO_vendor_init_module(void) { - printk (KERN_INFO PFX "vendor-support=%d\n", vendorsupport); + printk(KERN_INFO PFX "vendor-support=%d\n", vendorsupport); return 0; } static void __exit iTCO_vendor_exit_module(void) { - printk (KERN_INFO PFX "Module Unloaded\n"); + printk(KERN_INFO PFX "Module Unloaded\n"); } module_init(iTCO_vendor_init_module); |