diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/soc.c | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/imx-regs.h | 8 |
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index a8aad5d..efe4136 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -30,6 +30,7 @@ #include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <asm/imx-common/boot_mode.h> +#include <stdbool.h> struct scu_regs { u32 ctrl; @@ -121,12 +122,23 @@ void set_vddsoc(u32 mv) writel(reg, &anatop->reg_core); } +static void imx_set_wdog_powerdown(bool enable) +{ + struct wdog_regs *wdog1 = (struct wdog_regs *)WDOG1_BASE_ADDR; + struct wdog_regs *wdog2 = (struct wdog_regs *)WDOG2_BASE_ADDR; + + /* Write to the PDE (Power Down Enable) bit */ + writew(enable, &wdog1->wmcr); + writew(enable, &wdog2->wmcr); +} + int arch_cpu_init(void) { init_aips(); set_vddsoc(1200); /* Set VDDSOC to 1.2V */ + imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */ return 0; } diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h index 3eb0081..eaa7439 100644 --- a/arch/arm/include/asm/arch-mx6/imx-regs.h +++ b/arch/arm/include/asm/arch-mx6/imx-regs.h @@ -601,5 +601,13 @@ struct iomuxc_base_regs { u32 daisy[104]; /* 0x7b0..94c */ }; +struct wdog_regs { + u16 wcr; /* Control */ + u16 wsr; /* Service */ + u16 wrsr; /* Reset Status */ + u16 wicr; /* Interrupt Control */ + u16 wmcr; /* Miscellaneous Control */ +}; + #endif /* __ASSEMBLER__*/ #endif /* __ASM_ARCH_MX6_IMX_REGS_H__ */ |