[U-Boot] [PATCH 14/15][v3] imx: imx7d: add imx-common cpu support for imx7d

Adrian Alonso
2015-07-22T22:25:02Z

* 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>
---
Changes for V2: Split from patch imx: imx7d: initial arch level support
Changes for V3: Resend

arch/arm/Makefile | 4 ++--
arch/arm/cpu/armv7/Makefile | 3 ++-
arch/arm/imx-common/Makefile | 17 ++++++++++++++---
arch/arm/imx-common/cpu.c | 17 +++++++++++++++++
drivers/watchdog/Makefile | 2 +-
5 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6f30098..6708140 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -78,11 +78,11 @@ libs-y += arch/arm/cpu/
libs-y += arch/arm/lib/

ifeq ($(CONFIG_SPL_BUILD),y)
-ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
+ifneq (,$(CONFIG_MX23)$(CONFIG_MX35)$(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 5a76100..8defb1b 100644
--- 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
@@ -45,6 +45,7 @@ obj-$(CONFIG_ARCH_EXYNOS) += exynos/
obj-$(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/imx-common/Makefile b/arch/arm/imx-common/Makefile
index b9f1ca4..99bec53 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -7,20 +7,31 @@
# 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 $(SOC),mx5 mx6))
-obj-y += timer.o cpu.o speed.o
+obj-y += cpu.o speed.o
obj-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o
endif
-ifeq ($(SOC),$(filter $(SOC),mx6 mxs))
+ifeq ($(SOC),$(filter $(SOC),mx5))
+obj-y += timer.o
+endif
+ifeq ($(SOC),$(filter $(SOC),mx7))
+obj-y += cpu.o
+obj-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o
+obj-$(CONFIG_GPT_TIMER) += timer.o
+obj-$(CONFIG_SYSCOUNTER_TIMER) += syscounter.o
+endif
+ifeq ($(SOC),$(filter $(SOC),mx7 mx6 mxs))
obj-y += misc.o
obj-$(CONFIG_SPL_BUILD) += spl.o
endif
ifeq ($(SOC),$(filter $(SOC),mx6))
obj-$(CONFIG_CMD_SATA) += sata.o
obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
+obj-$(CONFIG_GPT_TIMER) += timer.o
+obj-$(CONFIG_SYSCOUNTER_TIMER) += syscounter.o
endif
ifeq ($(SOC),$(filter $(SOC),vf610))
obj-y += ddrmc-vf610.o
diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c
index 2e803f3..3cd30e7 100644
--- a/arch/arm/imx-common/cpu.c
+++ b/arch/arm/imx-common/cpu.c
@@ -46,13 +46,26 @@ 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";
+#ifdef CONFIG_MX7
+ case 0x00080:
+ return "WDOG3";
+ case 0x00100:
+ return "WDOG4";
+ case 0x00200:
+ return "TEMPSENSE";
+#else
case 0x10000:
return "WARM BOOT";
+#endif
default:
return "unknown reset";
}
@@ -122,6 +135,8 @@ 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_MX6Q:
return "6Q"; /* Quad-core version of the mx6 */
case MXC_CPU_MX6D:
@@ -236,6 +251,7 @@ 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 +263,7 @@ 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 482a4bd..9e9cb55 100644
--- 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
--
2.1.4