2 * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
4 * The code contained herein is licensed under the GNU General Public
5 * License. You may obtain a copy of the GNU General Public License
6 * Version 2 or later at the following locations:
8 * http://www.opensource.org/licenses/gpl-license.html
9 * http://www.gnu.org/copyleft/gpl.html
12 #include <mach/common.h>
13 #include <mach/hardware.h>
14 #include <mach/devices-common.h>
15 #include "crmregs-imx3.h"
18 * Set cpu low power mode before WFI instruction. This function is called
19 * mx3 because it can be used for mx31 and mx35.
20 * Currently only WAIT_MODE is supported.
22 void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode)
24 int reg = __raw_readl(MXC_CCM_CCMR);
25 reg &= ~MXC_CCM_CCMR_LPM_MASK;
30 reg |= MXC_CCM_CCMR_LPM_WAIT_MX35;
31 __raw_writel(reg, MXC_CCM_CCMR);
34 pr_err("Unknown cpu power mode: %d\n", mode);