[PATCH 22/36] ARM AT91: switch at91sam9n12 to barebox_arm_entry

[Jean-Christophe PLAGNIOL-VILLARD]

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 arch/arm/mach-at91/Kconfig                     |    2 ++
 arch/arm/mach-at91/Makefile                    |    1 +
 arch/arm/mach-at91/at91sam9n12_lowlevel_init.c |   26 ++++++++++++++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 arch/arm/mach-at91/at91sam9n12_lowlevel_init.c

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 21949e7..f4b8f9f 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -153,6 +153,8 @@ config SOC_AT91SAM9N12
 	select SOC_AT91SAM9
 	select HAVE_AT91_DBGU0
 	select AT91SAM9G45_RESET
+	select MACH_HAS_LOWLEVEL_INIT
+	select MACH_DO_LOWLEVEL_INIT
 	help
 	  Select this if you are using Atmel's AT91SAM9N12 SoC.
 
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index a03398e..c4cbe36 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -9,6 +9,7 @@ lowlevel_init-$(CONFIG_SOC_AT91SAM9261) += at91sam9261_lowlevel_init.o
 lowlevel_init-$(CONFIG_SOC_AT91SAM9263) += at91sam9263_lowlevel_init.o
 lowlevel_init-$(CONFIG_SOC_AT91SAM9G45) += at91sam9g45_lowlevel_init.o
 lowlevel_init-$(CONFIG_SOC_AT91SAM9X5) += at91sam9x5_lowlevel_init.o
+lowlevel_init-$(CONFIG_SOC_AT91SAM9N12) += at91sam9n12_lowlevel_init.o
 lowlevel_init-$(CONFIG_ARCH_AT91RM9200) = at91rm9200_lowlevel_init.o
 obj-y += $(lowlevel_init-y)
 
diff --git a/arch/arm/mach-at91/at91sam9n12_lowlevel_init.c b/arch/arm/mach-at91/at91sam9n12_lowlevel_init.c
new file mode 100644
index 0000000..6acbd06
--- /dev/null
+++ b/arch/arm/mach-at91/at91sam9n12_lowlevel_init.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2009-2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+  */
+
+#define __LOWLEVEL_INIT__
+
+#include <common.h>
+#include <asm/system.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <mach/hardware.h>
+#include <mach/io.h>
+#include <mach/at91sam9_ddrsdr.h>
+#include <init.h>
+#include <sizes.h>
+
+void __naked __bare_init reset(void)
+{
+	common_reset();
+
+	arm_setup_stack(AT91SAM9N12_SRAM_BASE + AT91SAM9N12_SRAM_SIZE - 16);
+
+	barebox_arm_entry(AT91_CHIPSELECT_1, at91sam9n12_get_ddram_size(), 0);
+}
-- 
1.7.10.4