diff options
Diffstat (limited to 'arch/arm/mach-imx/pm-imx27.c')
| -rw-r--r-- | arch/arm/mach-imx/pm-imx27.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c index d943535566c8..237e8aa9fe83 100644 --- a/arch/arm/mach-imx/pm-imx27.c +++ b/arch/arm/mach-imx/pm-imx27.c @@ -7,21 +7,30 @@ * modify it under the terms of the GNU General Public License. */ +#include <linux/of_address.h> #include <linux/kernel.h> #include <linux/suspend.h> #include <linux/io.h> +#include "common.h" #include "hardware.h" static int mx27_suspend_enter(suspend_state_t state) { + void __iomem *ccm_base; + struct device_node *np; u32 cscr; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm"); + ccm_base = of_iomap(np, 0); + BUG_ON(!ccm_base); + switch (state) { case PM_SUSPEND_MEM: /* Clear MPEN and SPEN to disable MPLL/SPLL */ - cscr = imx_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); + cscr = imx_readl(ccm_base); cscr &= 0xFFFFFFFC; - imx_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR)); + imx_writel(cscr, ccm_base); /* Executes WFI */ cpu_do_idle(); break; |