[PATCH 15/24] haba-knx: move reset vector to board code

Sam Ravnborg sam at ravnborg.org
Wed Dec 27 12:50:24 PST 2017


Create new file lowlevel.c that contains the reset vector.

Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
---
 arch/arm/boards/haba-knx/Makefile   |  3 +++
 arch/arm/boards/haba-knx/lowlevel.c | 26 ++++++++++++++++++++++++++
 arch/arm/mach-at91/Kconfig          |  1 -
 3 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/boards/haba-knx/lowlevel.c

diff --git a/arch/arm/boards/haba-knx/Makefile b/arch/arm/boards/haba-knx/Makefile
index d9db6aba6..b1c469dcf 100644
--- a/arch/arm/boards/haba-knx/Makefile
+++ b/arch/arm/boards/haba-knx/Makefile
@@ -1,2 +1,5 @@
 obj-y += init.o
+
+lwl-y += lowlevel.o
+
 bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-haba-knx
diff --git a/arch/arm/boards/haba-knx/lowlevel.c b/arch/arm/boards/haba-knx/lowlevel.c
new file mode 100644
index 000000000..02896856d
--- /dev/null
+++ b/arch/arm/boards/haba-knx/lowlevel.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2009-2013 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
+ *
+ * Under GPLv2
+  */
+
+#include <common.h>
+#include <init.h>
+
+#include <asm/barebox-arm-head.h>
+#include <asm/barebox-arm.h>
+
+#include <mach/at91sam9_sdramc.h>
+#include <mach/at91sam9260.h>
+#include <mach/hardware.h>
+
+void __naked __bare_init barebox_arm_reset_vector(void)
+{
+	arm_cpu_lowlevel_init();
+
+	arm_setup_stack(AT91SAM9260_SRAM_BASE + AT91SAM9260_SRAM_SIZE - 16);
+
+	barebox_arm_entry(AT91_CHIPSELECT_1,
+			  at91_get_sdram_size(IOMEM(AT91SAM9260_BASE_SDRAMC)),
+			  NULL);
+}
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 1604b8d43..4ca99282a 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -412,7 +412,6 @@ config MACH_QIL_A9G20
 
 config MACH_HABA_KNX_LITE
 	bool "CALAO HABA-KNX-LITE"
-	select AT91SAM9260_LWL
 	help
 	  Select this if you are using a Calao Systems HABA-KNX-LITE.
 	  <http://www.calao-systems.com>
-- 
2.12.0




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