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-rw-r--r--arch/avr32/boot/images/Makefile62
-rw-r--r--arch/avr32/boot/u-boot/Makefile3
-rw-r--r--arch/avr32/boot/u-boot/empty.S1
-rw-r--r--arch/avr32/boot/u-boot/head.S60
4 files changed, 126 insertions, 0 deletions
diff --git a/arch/avr32/boot/images/Makefile b/arch/avr32/boot/images/Makefile
new file mode 100644
index 000000000000..ccd74eeecec3
--- /dev/null
+++ b/arch/avr32/boot/images/Makefile
@@ -0,0 +1,62 @@
1#
2# Copyright (C) 2004-2006 Atmel Corporation
3#
4# This file is subject to the terms and conditions of the GNU General Public
5# License. See the file "COPYING" in the main directory of this archive
6# for more details.
7#
8
9MKIMAGE := $(srctree)/scripts/mkuboot.sh
10
11extra-y := vmlinux.bin vmlinux.gz
12
13OBJCOPYFLAGS_vmlinux.bin := -O binary
14$(obj)/vmlinux.bin: vmlinux FORCE
15 $(call if_changed,objcopy)
16
17$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
18 $(call if_changed,gzip)
19
20quiet_cmd_uimage = UIMAGE $@
21 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A avr32 -O linux -T kernel \
22 -C gzip -a $(CONFIG_LOAD_ADDRESS) -e $(CONFIG_ENTRY_ADDRESS) \
23 -n 'Linux-$(KERNELRELEASE)' -d $< $@
24
25targets += uImage uImage.srec
26$(obj)/uImage: $(obj)/vmlinux.gz
27 $(call if_changed,uimage)
28 @echo ' Image $@ is ready'
29
30OBJCOPYFLAGS_uImage.srec := -I binary -O srec
31$(obj)/uImage.srec: $(obj)/uImage
32 $(call if_changed,objcopy)
33
34OBJCOPYFLAGS_vmlinux.elf := --change-section-lma .text-0x80000000 \
35 --change-section-lma __ex_table-0x80000000 \
36 --change-section-lma .rodata-0x80000000 \
37 --change-section-lma .data-0x80000000 \
38 --change-section-lma .init-0x80000000 \
39 --change-section-lma .bss-0x80000000 \
40 --change-section-lma .initrd-0x80000000 \
41 --change-section-lma __param-0x80000000 \
42 --change-section-lma __ksymtab-0x80000000 \
43 --change-section-lma __ksymtab_gpl-0x80000000 \
44 --change-section-lma __kcrctab-0x80000000 \
45 --change-section-lma __kcrctab_gpl-0x80000000 \
46 --change-section-lma __ksymtab_strings-0x80000000 \
47 --change-section-lma .got-0x80000000 \
48 --set-start 0xa0000000
49$(obj)/vmlinux.elf: vmlinux FORCE
50 $(call if_changed,objcopy)
51
52quiet_cmd_sfdwarf = SFDWARF $@
53 cmd_sfdwarf = sfdwarf $< TO $@ GNUAVR IW $(SFDWARF_FLAGS) > $(obj)/sfdwarf.log
54
55$(obj)/vmlinux.cso: $(obj)/vmlinux.elf FORCE
56 $(call if_changed,sfdwarf)
57
58install: $(BOOTIMAGE)
59 sh $(srctree)/install-kernel.sh $<
60
61# Generated files to be removed upon make clean
62clean-files := vmlinux* uImage uImage.srec
diff --git a/arch/avr32/boot/u-boot/Makefile b/arch/avr32/boot/u-boot/Makefile
new file mode 100644
index 000000000000..125ddc96c275
--- /dev/null
+++ b/arch/avr32/boot/u-boot/Makefile
@@ -0,0 +1,3 @@
1extra-y := head.o
2
3obj-y := empty.o
diff --git a/arch/avr32/boot/u-boot/empty.S b/arch/avr32/boot/u-boot/empty.S
new file mode 100644
index 000000000000..8ac91a5f12f0
--- /dev/null
+++ b/arch/avr32/boot/u-boot/empty.S
@@ -0,0 +1 @@
/* Empty file */
diff --git a/arch/avr32/boot/u-boot/head.S b/arch/avr32/boot/u-boot/head.S
new file mode 100644
index 000000000000..4488fa27fe94
--- /dev/null
+++ b/arch/avr32/boot/u-boot/head.S
@@ -0,0 +1,60 @@
1/*
2 * Startup code for use with the u-boot bootloader.
3 *
4 * Copyright (C) 2004-2006 Atmel Corporation
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#include <asm/setup.h>
11
12 /*
13 * The kernel is loaded where we want it to be and all caches
14 * have just been flushed. We get two parameters from u-boot:
15 *
16 * r12 contains a magic number (ATAG_MAGIC)
17 * r11 points to a tag table providing information about
18 * the system.
19 */
20 .section .init.text,"ax"
21 .global _start
22_start:
23 /* Check if the boot loader actually provided a tag table */
24 lddpc r0, magic_number
25 cp.w r12, r0
26 brne no_tag_table
27
28 /* Initialize .bss */
29 lddpc r2, bss_start_addr
30 lddpc r3, end_addr
31 mov r0, 0
32 mov r1, 0
331: st.d r2++, r0
34 cp r2, r3
35 brlo 1b
36
37 /*
38 * Save the tag table address for later use. This must be done
39 * _after_ .bss has been initialized...
40 */
41 lddpc r0, tag_table_addr
42 st.w r0[0], r11
43
44 /* Jump to loader-independent setup code */
45 rjmp kernel_entry
46
47 .align 2
48magic_number:
49 .long ATAG_MAGIC
50tag_table_addr:
51 .long bootloader_tags
52bss_start_addr:
53 .long __bss_start
54end_addr:
55 .long _end
56
57no_tag_table:
58 sub r12, pc, (. - 2f)
59 bral panic
602: .asciz "Boot loader didn't provide correct magic number\n"