imx: imx7d: add imx-common cpu support for imx7d

Add imx-common cpu support for imx7d SoC
- Update reset_cause for imx7d
- Enable watchdog driver built for imx7d

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>

2 files changed, 26 insertions, 2 deletions

diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index d77a2363dd..1698d061e7 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -7,7 +7,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-ifeq ($(SOC),$(filter $(SOC),mx25 mx35 mx5 mx6 vf610))
+ifeq ($(SOC),$(filter $(SOC),mx25 mx35 mx5 mx6 mx7 vf610))
 obj-y	= iomux-v3.o
 endif
 ifeq ($(SOC),$(filter $(SOC),mx5 mx6))
@@ -18,7 +18,12 @@ ifeq ($(SOC),$(filter $(SOC),mx6 mxs))
 obj-y	+= misc.o
 obj-$(CONFIG_SPL_BUILD)	+= spl.o
 endif
-ifeq ($(SOC),$(filter $(SOC),mx6))
+ifeq ($(SOC),$(filter $(SOC),mx7))
+obj-y 	+= cpu.o
+obj-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o
+obj-$(CONFIG_SYSCOUNTER_TIMER) += syscounter.o
+endif
+ifeq ($(SOC),$(filter $(SOC),mx6 mx7))
 obj-y 	+= cache.o init.o
 obj-$(CONFIG_CMD_SATA) += sata.o
 obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c
index 38cd0c8280..dc6d959eae 100644
--- a/arch/arm/imx-common/cpu.c
+++ b/arch/arm/imx-common/cpu.c
@@ -46,13 +46,28 @@ static char *get_reset_cause(void)
 	case 0x00008:
 		return "IPP USER";
 	case 0x00010:
+#ifdef	CONFIG_MX7
+		return "WDOG1";
+#else
 		return "WDOG";
+#endif
 	case 0x00020:
 		return "JTAG HIGH-Z";
 	case 0x00040:
 		return "JTAG SW";
+	case 0x00080:
+		return "WDOG3";
+#ifdef CONFIG_MX7
+	case 0x00100:
+		return "WDOG4";
+	case 0x00200:
+		return "TEMPSENSE";
+#else
+	case 0x00100:
+		return "TEMPSENSE";
 	case 0x10000:
 		return "WARM BOOT";
+#endif
 	default:
 		return "unknown reset";
 	}
@@ -122,6 +137,8 @@ unsigned imx_ddr_size(void)
 const char *get_imx_type(u32 imxtype)
 {
 	switch (imxtype) {
+	case MXC_CPU_MX7D:
+		return "7D";	/* Dual-core version of the mx7 */
 	case MXC_CPU_MX6QP:
 		return "6QP";	/* Quad-Plus version of the mx6 */
 	case MXC_CPU_MX6DP:
@@ -236,6 +253,7 @@ int cpu_mmc_init(bd_t *bis)
 }
 #endif
 
+#ifndef CONFIG_MX7
 u32 get_ahb_clk(void)
 {
 	struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
@@ -247,6 +265,7 @@ u32 get_ahb_clk(void)
 
 	return get_periph_clk() / (ahb_podf + 1);
 }
+#endif
 
 void arch_preboot_os(void)
 {