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37 lines
1.1 KiB
Diff
37 lines
1.1 KiB
Diff
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From b3a11478f28a24b719ff6426f52216c37c3331d7 Mon Sep 17 00:00:00 2001
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From: Kurt Mahan <kmahan@freescale.com>
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Date: Thu, 17 Jul 2008 17:02:29 -0600
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Subject: [PATCH] Enable watchdog to reboot the processor.
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LTIBName: m547x-8x-reboot-wd
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Signed-off-by: Kurt Mahan <kmahan@freescale.com>
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---
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arch/m68k/coldfire/config.c | 9 +++++++++
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1 files changed, 9 insertions(+), 0 deletions(-)
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--- a/arch/m68k/coldfire/config.c
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+++ b/arch/m68k/coldfire/config.c
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@@ -50,6 +50,10 @@
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#include <asm/mcf5445x_xbs.h>
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#endif
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+#ifdef CONFIG_M547X_8X
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+#include <asm/m5485gpt.h>
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+#endif
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+
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extern int get_irq_list(struct seq_file *p, void *v);
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extern char _text, _end;
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extern char _etext, _edata, __init_begin, __init_end;
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@@ -379,6 +383,11 @@ void coldfire_reboot(void)
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"moveb #0x80, %%d0\n\t"
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"moveb %%d0, 0xfc0a0000\n\t"
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: : : "%d0");
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+#elif defined(CONFIG_M547X_8X)
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+ /* disable interrupts and enable the watchdog */
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+ printk(KERN_INFO "Rebooting\n");
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+ asm("movew #0x2700, %sr\n");
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+ MCF_GPT_GMS0 = MCF_GPT_GMS_WDEN | MCF_GPT_GMS_CE | MCF_GPT_GMS_TMS(4);
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#endif
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}
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