diff options
Diffstat (limited to 'arch/xtensa/kernel/setup.c')
| -rw-r--r-- | arch/xtensa/kernel/setup.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 393206b6aabc..868b54fce2ed 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -549,6 +549,29 @@ static int __init topology_init(void) } subsys_initcall(topology_init); +void cpu_reset(void) +{ + __asm__ __volatile__ ("movi a2, 15\n\t" + "wsr a2, icountlevel\n\t" + "movi a2, 0\n\t" + "wsr a2, icount\n\t" +#if XCHAL_NUM_IBREAK > 0 + "wsr a2, ibreakenable\n\t" +#endif +#if XCHAL_HAVE_LOOPS + "wsr a2, lcount\n\t" +#endif + "movi a2, 0x1f\n\t" + "wsr a2, ps\n\t" + "isync\n\t" + "jx %0\n\t" + : + : "a" (XCHAL_RESET_VECTOR_VADDR) + : "a2"); + for (;;) + ; +} + void machine_restart(char * cmd) { platform_restart(); |