satip-axe/kernel/arch/sh/boards/mach-hp6xx/pm_wakeup.S

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/*
* Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
*/
#include <linux/linkage.h>
#include <cpu/mmu_context.h>
/*
* Kernel mode register usage:
* k0 scratch
* k1 scratch
* For more details, please have a look at entry.S
*/
#define k0 r0
#define k1 r1
ENTRY(wakeup_start)
! clear STBY bit
mov #-126, k1
and #127, k0
mov.b k0, @k1
! enable refresh
mov.l 5f, k1
mov.w 6f, k0
mov.w k0, @k1
! jump to handler
mov.l 4f, k1
jmp @k1
nop
.align 2
4: .long handle_interrupt
5: .long 0xffffff68
6: .word 0x0524
ENTRY(wakeup_end)
nop