summaryrefslogtreecommitdiff
path: root/include/asm-x86/mach-default/mach_reboot.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/mach-default/mach_reboot.h')
-rw-r--r--include/asm-x86/mach-default/mach_reboot.h61
1 files changed, 0 insertions, 61 deletions
diff --git a/include/asm-x86/mach-default/mach_reboot.h b/include/asm-x86/mach-default/mach_reboot.h
deleted file mode 100644
index 6adee6a97dec..000000000000
--- a/include/asm-x86/mach-default/mach_reboot.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * arch/i386/mach-generic/mach_reboot.h
- *
- * Machine specific reboot functions for generic.
- * Split out from reboot.c by Osamu Tomita <tomita@cinet.co.jp>
- */
-#ifndef _MACH_REBOOT_H
-#define _MACH_REBOOT_H
-
-static inline void kb_wait(void)
-{
- int i;
-
- for (i = 0; i < 0x10000; i++)
- if ((inb_p(0x64) & 0x02) == 0)
- break;
-}
-
-static inline void mach_reboot(void)
-{
- int i;
-
- /* old method, works on most machines */
- for (i = 0; i < 10; i++) {
- kb_wait();
- udelay(50);
- outb(0xfe, 0x64); /* pulse reset low */
- udelay(50);
- }
-
- /* New method: sets the "System flag" which, when set, indicates
- * successful completion of the keyboard controller self-test (Basic
- * Assurance Test, BAT). This is needed for some machines with no
- * keyboard plugged in. This read-modify-write sequence sets only the
- * system flag
- */
- for (i = 0; i < 10; i++) {
- int cmd;
-
- outb(0x20, 0x64); /* read Controller Command Byte */
- udelay(50);
- kb_wait();
- udelay(50);
- cmd = inb(0x60);
- udelay(50);
- kb_wait();
- udelay(50);
- outb(0x60, 0x64); /* write Controller Command Byte */
- udelay(50);
- kb_wait();
- udelay(50);
- outb(cmd | 0x14, 0x60); /* set "System flag" and "Keyboard Disabled" */
- udelay(50);
- kb_wait();
- udelay(50);
- outb(0xfe, 0x64); /* pulse reset low */
- udelay(50);
- }
-}
-
-#endif /* !_MACH_REBOOT_H */