diff options
Diffstat (limited to 'arch/m68k/platform/coldfire/reset.c')
-rw-r--r-- | arch/m68k/platform/coldfire/reset.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/m68k/platform/coldfire/reset.c b/arch/m68k/platform/coldfire/reset.c index 5ed78d3546d2..933e54eacc69 100644 --- a/arch/m68k/platform/coldfire/reset.c +++ b/arch/m68k/platform/coldfire/reset.c @@ -15,7 +15,15 @@ #include <asm/coldfire.h> #include <asm/mcfsim.h> -void mcf_cpu_reset(void) +/* + * There are 2 common methods amongst the ColdFure parts for reseting + * the CPU. But there are couple of exceptions, the 5272 and the 547x + * have something completely special to them, and we let their specific + * subarch code handle them. + */ + +#ifdef MCFSIM_SYPCR +static void mcf_cpu_reset(void) { local_irq_disable(); /* Set watchdog to soft reset, and enabled */ @@ -23,6 +31,15 @@ void mcf_cpu_reset(void) for (;;) /* wait for watchdog to timeout */; } +#endif + +#ifdef MCF_RCR +static void mcf_cpu_reset(void) +{ + local_irq_disable(); + __raw_writeb(MCF_RCR_SWRESET, MCF_RCR); +} +#endif static int __init mcf_setup_reset(void) { |