From: Adrian Alonso Date: Wed, 2 Sep 2015 18:54:21 +0000 (-0500) Subject: arm: imx-common: init: rework wdog settings for imx6/imx7 X-Git-Tag: v2015.10-rc4~87 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=648539c906bb3b039b503b9b6325076eff4d9e5d;p=oweals%2Fu-boot.git arm: imx-common: init: rework wdog settings for imx6/imx7 Rework imx_set_wdog_powerdown to be reused by imx6 and imx7 Signed-off-by: Adrian Alonso --- diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c index 06f63daedc..282302b1fc 100644 --- a/arch/arm/cpu/armv7/mx6/soc.c +++ b/arch/arm/cpu/armv7/mx6/soc.c @@ -250,20 +250,6 @@ static int set_ldo_voltage(enum ldo_reg ldo, u32 mv) return 0; } -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; - struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR; - - if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL)) - writew(enable, &wdog3->wmcr); - - /* Write to the PDE (Power Down Enable) bit */ - writew(enable, &wdog1->wmcr); - writew(enable, &wdog2->wmcr); -} - static void set_ahb_rate(u32 val) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; diff --git a/arch/arm/imx-common/init.c b/arch/arm/imx-common/init.c index f1d43142a2..56d5010449 100644 --- a/arch/arm/imx-common/init.c +++ b/arch/arm/imx-common/init.c @@ -66,6 +66,27 @@ void init_aips(void) } } +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; + struct wdog_regs *wdog3 = (struct wdog_regs *)WDOG3_BASE_ADDR; +#ifdef CONFIG_MX7D + struct wdog_regs *wdog4 = (struct wdog_regs *)WDOG4_BASE_ADDR; +#endif + + /* Write to the PDE (Power Down Enable) bit */ + writew(enable, &wdog1->wmcr); + writew(enable, &wdog2->wmcr); + + if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL) || + is_soc_type(MXC_SOC_MX7)) + writew(enable, &wdog3->wmcr); +#ifdef CONFIG_MX7D + writew(enable, &wdog4->wmcr); +#endif +} + #define SRC_SCR_WARM_RESET_ENABLE 0 void init_src(void) diff --git a/arch/arm/include/asm/imx-common/sys_proto.h b/arch/arm/include/asm/imx-common/sys_proto.h index c0a5b2cdb9..5673fb4bc1 100644 --- a/arch/arm/include/asm/imx-common/sys_proto.h +++ b/arch/arm/include/asm/imx-common/sys_proto.h @@ -37,6 +37,7 @@ void set_chipselect_size(int const); void init_aips(void); void init_src(void); +void imx_set_wdog_powerdown(bool enable); /* * Initializes on-chip ethernet controllers.