x86, realmode: Move ACPI wakeup to unified realmode code

Migrated ACPI wakeup code to the real-mode blob.
Code existing in .x86_trampoline  can be completely
removed. Static descriptor table in wakeup_asm.S is
courtesy of H. Peter Anvin.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Link: http://lkml.kernel.org/r/1336501366-28617-7-git-send-email-jarkko.sakkinen@intel.com
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 0 insertions, 81 deletions

diff --git a/arch/x86/kernel/acpi/realmode/wakemain.c b/arch/x86/kernel/acpi/realmode/wakemain.c
deleted file mode 100644
index 883962d..0000000
--- a/arch/x86/kernel/acpi/realmode/wakemain.c
+++ /dev/null
@@ -1,81 +0,0 @@
-#include "wakeup.h"
-#include "boot.h"
-
-static void udelay(int loops)
-{
-	while (loops--)
-		io_delay();	/* Approximately 1 us */
-}
-
-static void beep(unsigned int hz)
-{
-	u8 enable;
-
-	if (!hz) {
-		enable = 0x00;		/* Turn off speaker */
-	} else {
-		u16 div = 1193181/hz;
-
-		outb(0xb6, 0x43);	/* Ctr 2, squarewave, load, binary */
-		io_delay();
-		outb(div, 0x42);	/* LSB of counter */
-		io_delay();
-		outb(div >> 8, 0x42);	/* MSB of counter */
-		io_delay();
-
-		enable = 0x03;		/* Turn on speaker */
-	}
-	inb(0x61);		/* Dummy read of System Control Port B */
-	io_delay();
-	outb(enable, 0x61);	/* Enable timer 2 output to speaker */
-	io_delay();
-}
-
-#define DOT_HZ		880
-#define DASH_HZ		587
-#define US_PER_DOT	125000
-
-/* Okay, this is totally silly, but it's kind of fun. */
-static void send_morse(const char *pattern)
-{
-	char s;
-
-	while ((s = *pattern++)) {
-		switch (s) {
-		case '.':
-			beep(DOT_HZ);
-			udelay(US_PER_DOT);
-			beep(0);
-			udelay(US_PER_DOT);
-			break;
-		case '-':
-			beep(DASH_HZ);
-			udelay(US_PER_DOT * 3);
-			beep(0);
-			udelay(US_PER_DOT);
-			break;
-		default:	/* Assume it's a space */
-			udelay(US_PER_DOT * 3);
-			break;
-		}
-	}
-}
-
-void main(void)
-{
-	/* Kill machine if structures are wrong */
-	if (wakeup_header.real_magic != 0x12345678)
-		while (1);
-
-	if (wakeup_header.realmode_flags & 4)
-		send_morse("...-");
-
-	if (wakeup_header.realmode_flags & 1)
-		asm volatile("lcallw   $0xc000,$3");
-
-	if (wakeup_header.realmode_flags & 2) {
-		/* Need to call BIOS */
-		probe_cards(0);
-		set_mode(wakeup_header.video_mode);
-	}
-}