[PATCH v4 3/6] ARM: at91: Add armv7m support

From: Alexandre Belloni
Date: Thu Jun 01 2017 - 16:07:23 EST


From: SzemzÅ AndrÃs <sza@xxxxxx>

Add Atmel SAME70/SAMS70/SAMV71 SoC support.

Signed-off-by: SzemzÅ AndrÃs <sza@xxxxxx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-at91/Kconfig | 10 +++++++++-
arch/arm/mach-at91/Makefile | 1 +
arch/arm/mach-at91/Makefile.boot | 3 +++
arch/arm/mach-at91/samv7.c | 25 +++++++++++++++++++++++++
4 files changed, 38 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-at91/Makefile.boot
create mode 100644 arch/arm/mach-at91/samv7.c

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 841e924143f9..2594b6a412f0 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -1,12 +1,20 @@
menuconfig ARCH_AT91
bool "Atmel SoCs"
- depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7
+ depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M
select COMMON_CLK_AT91
select GPIOLIB
select PINCTRL
select SOC_BUS

if ARCH_AT91
+config SOC_SAMV7
+ bool "SAM Cortex-M7 family" if ARM_SINGLE_ARMV7M
+ select COMMON_CLK_AT91
+ select PINCTRL_AT91
+ help
+ Select this if you are using an SoC from Atmel's SAME7, SAMS7 or SAMV7
+ families.
+
config SOC_SAMA5D2
bool "SAMA5D2 family"
depends on ARCH_MULTI_V7
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index cfd8f60a9268..a189081dccc0 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -6,6 +6,7 @@
obj-$(CONFIG_SOC_AT91RM9200) += at91rm9200.o
obj-$(CONFIG_SOC_AT91SAM9) += at91sam9.o
obj-$(CONFIG_SOC_SAMA5) += sama5.o
+obj-$(CONFIG_SOC_SAMV7) += samv7.o

# Power Management
obj-$(CONFIG_PM) += pm.o
diff --git a/arch/arm/mach-at91/Makefile.boot b/arch/arm/mach-at91/Makefile.boot
new file mode 100644
index 000000000000..eacfc3f5c33e
--- /dev/null
+++ b/arch/arm/mach-at91/Makefile.boot
@@ -0,0 +1,3 @@
+# Empty file waiting for deletion once Makefile.boot isn't needed any more.
+# Patch waits for application at
+# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .
diff --git a/arch/arm/mach-at91/samv7.c b/arch/arm/mach-at91/samv7.c
new file mode 100644
index 000000000000..11386f190c83
--- /dev/null
+++ b/arch/arm/mach-at91/samv7.c
@@ -0,0 +1,25 @@
+/*
+ * Setup code for SAMv7x
+ *
+ * Copyright (C) 2013 Atmel,
+ * 2016 Andras Szemzo <szemzo.andras@xxxxxxxxx>
+ *
+ * Licensed under GPLv2 or later.
+ */
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/of_address.h>
+#include <linux/slab.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/system_misc.h>
+#include "generic.h"
+
+static const char *const samv7_dt_board_compat[] __initconst = {
+ "atmel,samv7",
+ NULL
+};
+
+DT_MACHINE_START(samv7_dt, "Atmel SAMV7")
+ .dt_compat = samv7_dt_board_compat,
+MACHINE_END
--
2.11.0