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>

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 13a2780a0e70ff976fdc4c0bb795ecb91e401caf..1ce9c2432b3a39ca20523b12f2638ab9dcb32743 100644 (file)
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -79,11 +79,11 @@ libs-y += arch/arm/cpu/
 libs-y += arch/arm/lib/
 
 ifeq ($(CONFIG_SPL_BUILD),y)
-ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
+ifneq (,$(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35))
 libs-y += arch/arm/imx-common/
 endif
 else
-ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
+ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx7 mx31 mx35 mxs vf610))
 libs-y += arch/arm/imx-common/
 endif
 endif

diff --git a/arch/arm/cpu/armv7/Makefile b/arch/arm/cpu/armv7/Makefile
index 6769d8fbfe4f99b289ce29a92e4e3fb9d35cf6e3..79a38df2cb791aecd415cc70e1ab4e296808b369 100644 (file)
--- a/arch/arm/cpu/armv7/Makefile
+++ b/arch/arm/cpu/armv7/Makefile
@@ -12,7 +12,7 @@ obj-y += cache_v7.o
 obj-y  += cpu.o cp15.o
 obj-y  += syslib.o
 
-ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_SUNXI)$(CONFIG_ARCH_SOCFPGA),)
+ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_MX7)$(CONFIG_TI81XX)$(CONFIG_AT91FAMILY)$(CONFIG_SUNXI)$(CONFIG_ARCH_SOCFPGA),)
 ifneq ($(CONFIG_SKIP_LOWLEVEL_INIT),y)
 obj-y  += lowlevel_init.o
 endif
@@ -44,6 +44,7 @@ obj-$(if $(filter bcmnsp,$(SOC)),y) += bcmnsp/
 obj-$(if $(filter ls102xa,$(SOC)),y) += ls102xa/
 obj-$(if $(filter mx5,$(SOC)),y) += mx5/
 obj-$(CONFIG_MX6) += mx6/
+obj-$(CONFIG_MX7) += mx7/
 obj-$(CONFIG_OMAP34XX) += omap3/
 obj-$(CONFIG_OMAP44XX) += omap4/
 obj-$(CONFIG_OMAP54XX) += omap5/

diff --git a/arch/arm/cpu/armv7/mx7/Makefile b/arch/arm/cpu/armv7/mx7/Makefile
new file mode 100644 (file)
index 0000000..e6ecef0
--- /dev/null
+++ b/arch/arm/cpu/armv7/mx7/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2015 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+#
+
+obj-y  := soc.o clock.o clock_slice.o

diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index d77a2363ddc700ebd6f44f0eb7b9bca3c749ae8a..1698d061e770829ae9f674189294441f41ecf08c 100644 (file)
--- 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 38cd0c8280717f1b85e76d6ba586e322dfddc5d5..dc6d959eae60e980f5ca4ced06e2f8d073e61f6a 100644 (file)
--- 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)
 {

diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 482a4bd5be316a44a57381c46e1269ee8d61580b..9e9cb550695ddac8178762c33d7152950bf44b1f 100644 (file)
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -7,7 +7,7 @@
 
 obj-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o
 obj-$(CONFIG_FTWDT010_WATCHDOG) += ftwdt010_wdt.o
-ifneq (,$(filter $(SOC), mx31 mx35 mx5 mx6 vf610 ls102xa))
+ifneq (,$(filter $(SOC), mx31 mx35 mx5 mx6 mx7 vf610 ls102xa))
 obj-y += imx_watchdog.o
 endif
 obj-$(CONFIG_S5P)               += s5p_wdt.o