From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- ANDROID_3.4.5/arch/arm/mach-imx/hotplug.c | 84 ------------------------------- 1 file changed, 84 deletions(-) delete mode 100644 ANDROID_3.4.5/arch/arm/mach-imx/hotplug.c (limited to 'ANDROID_3.4.5/arch/arm/mach-imx/hotplug.c') diff --git a/ANDROID_3.4.5/arch/arm/mach-imx/hotplug.c b/ANDROID_3.4.5/arch/arm/mach-imx/hotplug.c deleted file mode 100644 index 20ed2d56..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-imx/hotplug.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * 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 -#include -#include -#include - -int platform_cpu_kill(unsigned int cpu) -{ - return 1; -} - -static inline void cpu_enter_lowpower(void) -{ - unsigned int v; - - flush_cache_all(); - asm volatile( - "mcr p15, 0, %1, c7, c5, 0\n" - " mcr p15, 0, %1, c7, c10, 4\n" - /* - * Turn off coherency - */ - " mrc p15, 0, %0, c1, c0, 1\n" - " bic %0, %0, %3\n" - " mcr p15, 0, %0, c1, c0, 1\n" - " mrc p15, 0, %0, c1, c0, 0\n" - " bic %0, %0, %2\n" - " mcr p15, 0, %0, c1, c0, 0\n" - : "=&r" (v) - : "r" (0), "Ir" (CR_C), "Ir" (0x40) - : "cc"); -} - -static inline void cpu_leave_lowpower(void) -{ - unsigned int v; - - asm volatile( - "mrc p15, 0, %0, c1, c0, 0\n" - " orr %0, %0, %1\n" - " mcr p15, 0, %0, c1, c0, 0\n" - " mrc p15, 0, %0, c1, c0, 1\n" - " orr %0, %0, %2\n" - " mcr p15, 0, %0, c1, c0, 1\n" - : "=&r" (v) - : "Ir" (CR_C), "Ir" (0x40) - : "cc"); -} - -/* - * platform-specific code to shutdown a CPU - * - * Called with IRQs disabled - */ -void platform_cpu_die(unsigned int cpu) -{ - cpu_enter_lowpower(); - imx_enable_cpu(cpu, false); - cpu_do_idle(); - cpu_leave_lowpower(); - - /* 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; -} -- cgit