diff options
Diffstat (limited to 'arch/arm/mach-tegra/sleep-t20.S')
| -rw-r--r-- | arch/arm/mach-tegra/sleep-t20.S | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/arm/mach-tegra/sleep-t20.S b/arch/arm/mach-tegra/sleep-t20.S deleted file mode 100644 index a36ae413e2b..00000000000 --- a/arch/arm/mach-tegra/sleep-t20.S +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved. - * Copyright (c) 2011, Google, Inc. - * - * Author: Colin Cross <ccross@android.com> - * Gary King <gking@nvidia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/linkage.h> - -#include <asm/assembler.h> - -#include <mach/iomap.h> - -#include "sleep.h" -#include "flowctrl.h" - -#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_PM_SLEEP) -/* - * tegra20_hotplug_shutdown(void) - * - * puts the current cpu in reset - * should never return - */ -ENTRY(tegra20_hotplug_shutdown) - /* Turn off SMP coherency */ - exit_smp r4, r5 - - /* Put this CPU down */ - cpu_id r0 - bl tegra20_cpu_shutdown - mov pc, lr @ should never get here -ENDPROC(tegra20_hotplug_shutdown) - -/* - * tegra20_cpu_shutdown(int cpu) - * - * r0 is cpu to reset - * - * puts the specified CPU in wait-for-event mode on the flow controller - * and puts the CPU in reset - * can be called on the current cpu or another cpu - * if called on the current cpu, does not return - * MUST NOT BE CALLED FOR CPU 0. - * - * corrupts r0-r3, r12 - */ -ENTRY(tegra20_cpu_shutdown) - cmp r0, #0 - moveq pc, lr @ must not be called for CPU 0 - - cpu_to_halt_reg r1, r0 - ldr r3, =TEGRA_FLOW_CTRL_VIRT - mov r2, #FLOW_CTRL_WAITEVENT | FLOW_CTRL_JTAG_RESUME - str r2, [r3, r1] @ put flow controller in wait event mode - ldr r2, [r3, r1] - isb - dsb - movw r1, 0x1011 - mov r1, r1, lsl r0 - ldr r3, =TEGRA_CLK_RESET_VIRT - str r1, [r3, #0x340] @ put slave CPU in reset - isb - dsb - cpu_id r3 - cmp r3, r0 - beq . - mov pc, lr -ENDPROC(tegra20_cpu_shutdown) -#endif |