summaryrefslogtreecommitdiff
path: root/arch/arm/cpu
diff options
context:
space:
mode:
authorTom Rini <trini@ti.com>2014-01-20 07:33:42 -0500
committerTom Rini <trini@ti.com>2014-01-20 07:33:42 -0500
commit4641c211f6e37454c30770521c4de79c725036b0 (patch)
tree630407124b5e1649a93c995122c14510ef8a19b8 /arch/arm/cpu
parent5c9038b6af1a93410af966999638eabb81efcd0f (diff)
parentbe2a3bb39adf1fdd274fc427e30ef62eb86441a1 (diff)
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c41
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 009a644abf2..0208cba9cc7 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 */