[PATCH 18/24] at91sam9260ek, at91sam9g20ek: move reset vector to board code
Sam Ravnborg
sam at ravnborg.org
Wed Dec 27 12:50:27 PST 2017
Create new lowlevel.c that contains the reset vector.
Drop unused CONFIG symbols
Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
---
arch/arm/boards/at91sam9260ek/Makefile | 3 +++
arch/arm/boards/at91sam9260ek/lowlevel.c | 26 ++++++++++++++++++++++++++
arch/arm/mach-at91/Kconfig | 2 --
3 files changed, 29 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/boards/at91sam9260ek/lowlevel.c
diff --git a/arch/arm/boards/at91sam9260ek/Makefile b/arch/arm/boards/at91sam9260ek/Makefile
index 6e07f189f..9cc933a28 100644
--- a/arch/arm/boards/at91sam9260ek/Makefile
+++ b/arch/arm/boards/at91sam9260ek/Makefile
@@ -1,2 +1,5 @@
obj-y += init.o
+
+lwl-y += lowlevel.o
+
bbenv-$(CONFIG_DEFAULT_ENVIRONMENT_GENERIC) += defaultenv-at91sam9260ek
diff --git a/arch/arm/boards/at91sam9260ek/lowlevel.c b/arch/arm/boards/at91sam9260ek/lowlevel.c
new file mode 100644
index 000000000..02896856d
--- /dev/null
+++ b/arch/arm/boards/at91sam9260ek/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 94d85dbcf..69d6d6fc1 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -276,7 +276,6 @@ config MACH_ANIMEO_IP
config MACH_AT91SAM9260EK
bool "Atmel AT91SAM9260-EK"
- select AT91SAM9260_LWL
select HAVE_NAND_ATMEL_BUSWIDTH_16
help
Say y here if you are using Atmel's AT91SAM9260-EK Evaluation board
@@ -371,7 +370,6 @@ choice
config MACH_AT91SAM9G20EK
bool "Atmel AT91SAM9G20-EK Evaluation Kit"
select HAVE_NAND_ATMEL_BUSWIDTH_16
- select AT91SAM9260_LWL
help
Select this if you are using Atmel's AT91SAM9G20-EK Evaluation Kit
that embeds only one SD/MMC slot.
--
2.12.0
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