In the light of more up to date technical information I have discovered there is a register at physical address 0x005F6890 on the Dreamcast that if written a magic number (0x00007611) will force a reboot under software control.
Presumably a better option than the current catch-all mechanism. Signed-off by: Adrian McMenamin <[EMAIL PROTECTED]> diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 6334a4c..6f5e9e4 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -97,6 +97,11 @@ void cpu_idle(void) void machine_restart(char * __unused) { + +#ifdef CONFIG_SH_DREAMCAST + /*reboot the Dreamcast under software control*/ + writel(0x00007611, 0xA05F6890); +#endif /* SR.BL=1 and invoke address error to let CPU reset (manual reset) */ asm volatile("ldc %0, sr\n\t" "mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001)); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/