| /* |
| * Copyright 2011 Freescale Semiconductor, Inc. |
| * Copyright 2011 Linaro Ltd. |
| * |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| */ |
| |
| #include <linux/errno.h> |
| #include <asm/cacheflush.h> |
| #include <mach/common.h> |
| |
| int platform_cpu_kill(unsigned int cpu) |
| { |
| return 1; |
| } |
| |
| /* |
| * platform-specific code to shutdown a CPU |
| * |
| * Called with IRQs disabled |
| */ |
| void platform_cpu_die(unsigned int cpu) |
| { |
| flush_cache_all(); |
| imx_enable_cpu(cpu, false); |
| cpu_do_idle(); |
| |
| /* We should never return from idle */ |
| panic("cpu %d unexpectedly exit from shutdown\n", cpu); |
| } |
| |
| int platform_cpu_disable(unsigned int cpu) |
| { |
| /* |
| * we don't allow CPU 0 to be shutdown (it is still too special |
| * e.g. clock tick interrupts) |
| */ |
| return cpu == 0 ? -EPERM : 0; |
| } |
