mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-17 09:43:59 +08:00
50f2de6126
It moves a bunch of header files included in hardware.h and itself from mach-imx/include/mach to mach-imx, and updates users to include hardware.h rather than mach/hardware.h. The files in mach-imx/devices will need to include "../hardware.h". Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Arnd Bergmann <arnd@arndb.de>
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
/*
|
|
* Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
*
|
|
* 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/io.h>
|
|
|
|
#include "common.h"
|
|
#include "crmregs-imx3.h"
|
|
#include "devices/devices-common.h"
|
|
#include "hardware.h"
|
|
|
|
/*
|
|
* Set cpu low power mode before WFI instruction. This function is called
|
|
* mx3 because it can be used for mx31 and mx35.
|
|
* Currently only WAIT_MODE is supported.
|
|
*/
|
|
void mx3_cpu_lp_set(enum mx3_cpu_pwr_mode mode)
|
|
{
|
|
int reg = __raw_readl(mx3_ccm_base + MXC_CCM_CCMR);
|
|
reg &= ~MXC_CCM_CCMR_LPM_MASK;
|
|
|
|
switch (mode) {
|
|
case MX3_WAIT:
|
|
if (cpu_is_mx35())
|
|
reg |= MXC_CCM_CCMR_LPM_WAIT_MX35;
|
|
__raw_writel(reg, mx3_ccm_base + MXC_CCM_CCMR);
|
|
break;
|
|
default:
|
|
pr_err("Unknown cpu power mode: %d\n", mode);
|
|
return;
|
|
}
|
|
}
|