tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * include/asm-arm/arch-ixp4x//system.h
3 *
4 * Copyright (C) 2002 Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#include <asm/hardware.h>
13
14static inline void arch_idle(void)
15{
16#if 0
17 if (!hlt_counter)
18 cpu_do_idle(0);
19#endif
20}
21
22
23static inline void arch_reset(char mode)
24{
25 if ( 1 && mode == 's') {
26 /* Jump into ROM at address 0 */
27 cpu_reset(0);
28 } else {
29 /* Use on-chip reset capability */
30
31 /* set the "key" register to enable access to
32 * "timer" and "enable" registers
33 */
34 *IXP4XX_OSWK = IXP4XX_WDT_KEY;
35
36 /* write 0 to the timer register for an immediate reset */
37 *IXP4XX_OSWT = 0;
38
39 *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
40 }
41}
42