diff options
Diffstat (limited to 'arch/arm/cpu/armv7')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 009a644ab..0208cba9c 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -19,8 +19,6 @@ #include <asm/arch/mxc_hdmi.h> #include <asm/arch/crm_regs.h> -#define VDDPU_MASK (0x1f << 9) - enum ldo_reg { LDO_ARM, LDO_SOC, @@ -179,50 +177,11 @@ static void imx_set_wdog_powerdown(bool enable) writew(enable, &wdog2->wmcr); } -static void imx_set_vddpu_power_down(void) -{ - struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; - struct gpc_regs *gpc = (struct gpc_regs *)GPC_BASE_ADDR; - - u32 reg; - - /* - * Disable the brown out detection since we are going to be - * disabling the LDO. - */ - reg = readl(&anatop->ana_misc2); - reg &= ~ANADIG_ANA_MISC2_REG1_BO_EN; - writel(reg, &anatop->ana_misc2); - - /* need to power down xPU in GPC before turning off PU LDO */ - reg = readl(&gpc->gpu_ctrl); - writel(reg | 0x1, &gpc->gpu_ctrl); - - reg = readl(&gpc->ctrl); - writel(reg | 0x1, &gpc->ctrl); - while (readl(&gpc->ctrl) & 0x1) - ; - - /* Mask the ANATOP brown out interrupt in the GPC. */ - reg = readl(&gpc->imr4); - reg |= 0x80000000; - writel(reg, &gpc->imr4); - - /* disable VDDPU */ - writel(VDDPU_MASK, &anatop->reg_core_clr); - - /* Clear the BO interrupt in the ANATOP. */ - reg = readl(&anatop->ana_misc1); - reg |= 0x80000000; - writel(reg, &anatop->ana_misc1); -} - int arch_cpu_init(void) { init_aips(); imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ - imx_set_vddpu_power_down(); #ifdef CONFIG_APBH_DMA /* Start APBH DMA */ |