diff options
Diffstat (limited to 'arch/arm/mach-imx/pm-imx5.c')
| -rw-r--r-- | arch/arm/mach-imx/pm-imx5.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c index 7dfd005c9c9e..3544c2524617 100644 --- a/arch/arm/mach-imx/pm-imx5.c +++ b/arch/arm/mach-imx/pm-imx5.c @@ -21,8 +21,7 @@ #include "cpuidle.h" #include "hardware.h" -#define MX51_CCM_BASE MX51_IO_ADDRESS(MX51_CCM_BASE_ADDR) -#define MXC_CCM_CLPCR (MX51_CCM_BASE + 0x54) +#define MXC_CCM_CLPCR 0x54 #define MXC_CCM_CLPCR_LPM_OFFSET 0 #define MXC_CCM_CLPCR_LPM_MASK 0x3 #define MXC_CCM_CLPCR_STBY_COUNT_OFFSET 9 @@ -57,6 +56,13 @@ */ #define IMX5_DEFAULT_CPU_IDLE_STATE WAIT_UNCLOCKED_POWER_OFF +static void __iomem *ccm_base; + +void __init imx5_pm_set_ccm_base(void __iomem *base) +{ + ccm_base = base; +} + /* * set cpu low power mode before WFI instruction. This function is called * mx5 because it can be used for mx51, and mx53. @@ -70,7 +76,8 @@ static void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode) /* always allow platform to issue a deep sleep mode request */ plat_lpc = __raw_readl(MXC_CORTEXA8_PLAT_LPC) & ~(MXC_CORTEXA8_PLAT_LPC_DSM); - ccm_clpcr = __raw_readl(MXC_CCM_CLPCR) & ~(MXC_CCM_CLPCR_LPM_MASK); + ccm_clpcr = __raw_readl(ccm_base + MXC_CCM_CLPCR) & + ~(MXC_CCM_CLPCR_LPM_MASK); arm_srpgcr = __raw_readl(MXC_SRPG_ARM_SRPGCR) & ~(MXC_SRPGCR_PCR); empgc0 = __raw_readl(MXC_SRPG_EMPGC0_SRPGCR) & ~(MXC_SRPGCR_PCR); empgc1 = __raw_readl(MXC_SRPG_EMPGC1_SRPGCR) & ~(MXC_SRPGCR_PCR); @@ -108,7 +115,7 @@ static void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode) } __raw_writel(plat_lpc, MXC_CORTEXA8_PLAT_LPC); - __raw_writel(ccm_clpcr, MXC_CCM_CLPCR); + __raw_writel(ccm_clpcr, ccm_base + MXC_CCM_CLPCR); __raw_writel(arm_srpgcr, MXC_SRPG_ARM_SRPGCR); __raw_writel(arm_srpgcr, MXC_SRPG_NEON_SRPGCR); @@ -188,6 +195,8 @@ static int __init imx5_pm_common_init(void) arm_pm_idle = imx5_pm_idle; + WARN_ON(!ccm_base); + /* Set the registers to the default cpu idle state. */ mx5_cpu_lp_set(IMX5_DEFAULT_CPU_IDLE_STATE); |