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authorAndreas Bießmann <andreas.devel@googlemail.com>2015-02-06 23:06:48 +0100
committerAndreas Bießmann <andreas.devel@googlemail.com>2015-02-17 22:54:38 +0100
commita752a8b4c49d67daa4ea9f9ebac3972bb1c2328b (patch)
tree145248ad901cd8fcfbaa385345c270fdbea14647 /arch/avr32
parentc722f0b026249385bbbcec4f5be9bd3abd69342c (diff)
avr32: add generic board support
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/config.mk3
-rw-r--r--arch/avr32/cpu/u-boot.lds2
-rw-r--r--arch/avr32/include/asm/config.h1
-rw-r--r--arch/avr32/include/asm/u-boot.h7
-rw-r--r--arch/avr32/lib/Makefile2
-rw-r--r--arch/avr32/lib/interrupts.c5
6 files changed, 20 insertions, 0 deletions
diff --git a/arch/avr32/config.mk b/arch/avr32/config.mk
index 469185e8b4..8252f598c3 100644
--- a/arch/avr32/config.mk
+++ b/arch/avr32/config.mk
@@ -9,6 +9,9 @@ ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := avr32-linux-
endif
+# avr32 has generic board support
+__HAVE_ARCH_GENERIC_BOARD := y
+
CONFIG_STANDALONE_LOAD_ADDR ?= 0x00000000
PLATFORM_RELFLAGS += -ffixed-r5 -fPIC -mno-init-got -mrelax
diff --git a/arch/avr32/cpu/u-boot.lds b/arch/avr32/cpu/u-boot.lds
index cb29a22b1e..b0180e3534 100644
--- a/arch/avr32/cpu/u-boot.lds
+++ b/arch/avr32/cpu/u-boot.lds
@@ -48,9 +48,11 @@ SECTIONS
_edata = .;
.bss (NOLOAD) : {
+ __bss_start = .;
*(.bss)
*(.bss.*)
}
. = ALIGN(8);
__bss_end = .;
+ __init_end = .;
}
diff --git a/arch/avr32/include/asm/config.h b/arch/avr32/include/asm/config.h
index 63056a4dfa..529fe227a6 100644
--- a/arch/avr32/include/asm/config.h
+++ b/arch/avr32/include/asm/config.h
@@ -8,5 +8,6 @@
#define _ASM_CONFIG_H_
#define CONFIG_NEEDS_MANUAL_RELOC
+#define CONFIG_SYS_GENERIC_GLOBAL_DATA
#endif
diff --git a/arch/avr32/include/asm/u-boot.h b/arch/avr32/include/asm/u-boot.h
index 232350ead8..8b047ec7c8 100644
--- a/arch/avr32/include/asm/u-boot.h
+++ b/arch/avr32/include/asm/u-boot.h
@@ -6,6 +6,11 @@
#ifndef __ASM_U_BOOT_H__
#define __ASM_U_BOOT_H__ 1
+#ifdef CONFIG_SYS_GENERIC_BOARD
+/* Use the generic board which requires a unified bd_info */
+#include <asm-generic/u-boot.h>
+#else
+
typedef struct bd_info {
unsigned char bi_phy_id[4];
unsigned long bi_board_number;
@@ -22,6 +27,8 @@ typedef struct bd_info {
#define bi_memstart bi_dram[0].start
#define bi_memsize bi_dram[0].size
+#endif
+
/* For image.h:image_check_target_arch() */
#define IH_ARCH_DEFAULT IH_ARCH_AVR32
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
index 5f2d97bfc7..6750913630 100644
--- a/arch/avr32/lib/Makefile
+++ b/arch/avr32/lib/Makefile
@@ -8,7 +8,9 @@
#
obj-y += memset.o
+ifndef CONFIG_SYS_GENERIC_BOARD
obj-y += board.o
+endif
obj-$(CONFIG_CMD_BOOTM) += bootm.o
obj-y += interrupts.o
obj-y += dram_init.o
diff --git a/arch/avr32/lib/interrupts.c b/arch/avr32/lib/interrupts.c
index bacb2d186a..5f3a49e152 100644
--- a/arch/avr32/lib/interrupts.c
+++ b/arch/avr32/lib/interrupts.c
@@ -7,6 +7,11 @@
#include <asm/sysreg.h>
+int interrupt_init(void)
+{
+ return 0;
+}
+
void enable_interrupts(void)
{
asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));