Prepare etrax for kernel update and update kernel configure for 2.6.25

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14406 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 302 insertions, 0 deletions

diff --git a/target/linux/etrax/patches-2.6.25/100-compile_fixes.patch b/target/linux/etrax/patches-2.6.25/100-compile_fixes.patch
new file mode 100644
index 000000000..2a9fc6582
--- /dev/null
+++ b/target/linux/etrax/patches-2.6.25/100-compile_fixes.patch
@@ -0,0 +1,302 @@
+--- a/arch/cris/Makefile
++++ b/arch/cris/Makefile
+@@ -33,7 +33,7 @@ endif
+ 
+ LD = $(CROSS_COMPILE)ld -mcrislinux
+ 
+-OBJCOPYFLAGS := -O binary -R .note -R .comment -S
++OBJCOPYFLAGS := -O binary -R .bss -R .note -R .note.gnu.build-id -R .comment -S
+ 
+ CPPFLAGS_vmlinux.lds = -DDRAM_VIRTUAL_BASE=0x$(CONFIG_ETRAX_DRAM_VIRTUAL_BASE)
+ 
+--- a/arch/cris/arch-v10/boot/Makefile
++++ b/arch/cris/arch-v10/boot/Makefile
+@@ -2,9 +2,6 @@
+ # arch/cris/arch-v10/boot/Makefile
+ #
+ 
+-OBJCOPY = objcopy-cris
+-OBJCOPYFLAGS = -O binary --remove-section=.bss
+-
+ subdir- := compressed rescue
+ targets := Image
+ 
+@@ -14,7 +11,6 @@ $(obj)/Image: vmlinux FORCE
+ 
+ $(obj)/compressed/vmlinux: $(obj)/Image FORCE
+ 	$(Q)$(MAKE) $(build)=$(obj)/compressed $@
+-	$(Q)$(MAKE) $(build)=$(obj)/rescue $(obj)/rescue/rescue.bin
+ 
+ $(obj)/zImage:  $(obj)/compressed/vmlinux
+ 	@cp $< $@
+--- a/arch/cris/arch-v10/boot/compressed/Makefile
++++ b/arch/cris/arch-v10/boot/compressed/Makefile
+@@ -2,13 +2,9 @@
+ # arch/cris/arch-v10/boot/compressed/Makefile
+ #
+ 
+-CC = gcc-cris -melf $(LINUXINCLUDE)
+ ccflags-y += -O2
+-LD = ld-cris
+ ldflags-y += -T $(obj)/decompress.ld
+ OBJECTS = $(obj)/head.o $(obj)/misc.o
+-OBJCOPY = objcopy-cris
+-OBJCOPYFLAGS = -O binary --remove-section=.bss
+ 
+ quiet_cmd_image = BUILD   $@
+ cmd_image = cat $(obj)/decompress.bin $(obj)/piggy.gz > $@
+@@ -21,12 +17,6 @@
+ $(obj)/decompress.bin: $(obj)/decompress.o FORCE
+ 	$(call if_changed,objcopy)
+ 
+-$(obj)/head.o: $(obj)/head.S .config
+-	@$(CC) -D__ASSEMBLY__ -traditional -c $< -o $@
+-
+-$(obj)/misc.o: $(obj)/misc.c .config
+-	@$(CC) -D__KERNEL__ -c $< -o $@
+-
+ $(obj)/vmlinux: $(obj)/piggy.gz $(obj)/decompress.bin FORCE
+ 	$(call if_changed,image)
+ 
+--- a/arch/cris/arch-v10/boot/compressed/decompress.ld
++++ b/arch/cris/arch-v10/boot/compressed/decompress.ld
+@@ -1,4 +1,4 @@
+-OUTPUT_FORMAT(elf32-us-cris)
++OUTPUT_FORMAT(elf32-cris)
+ 
+ MEMORY 
+ 	{
+--- a/arch/cris/arch-v10/boot/compressed/head.S
++++ b/arch/cris/arch-v10/boot/compressed/head.S
+@@ -10,13 +10,14 @@
+ 
+ #define ASSEMBLER_MACROS_ONLY
+ #include <asm/arch/sv_addr_ag.h>
++#include <linux/autoconf.h>
+ 
+ #define RAM_INIT_MAGIC 0x56902387
+ #define COMMAND_LINE_MAGIC 0x87109563
+ 
+ 	;; Exported symbols
+ 	
+-	.globl	_input_data
++	.globl	input_data
+ 
+ 	
+ 	.text
+@@ -26,7 +27,7 @@
+ 
+ ;; We need to initialze DRAM registers before we start using the DRAM
+ 	
+-	cmp.d	RAM_INIT_MAGIC, r8	; Already initialized?
++	cmp.d	RAM_INIT_MAGIC, $r8	; Already initialized?
+ 	beq	dram_init_finished
+ 	nop
+ 	
+@@ -36,91 +37,91 @@ dram_init_finished:	
+ 		
+ 	;; Initiate the PA and PB ports
+ 
+-	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DATA, r0
+-	move.b   r0, [R_PORT_PA_DATA]
++	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DATA, $r0
++	move.b   $r0, [R_PORT_PA_DATA]
+ 
+-	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DIR, r0
+-	move.b   r0, [R_PORT_PA_DIR]
++	move.b   CONFIG_ETRAX_DEF_R_PORT_PA_DIR, $r0
++	move.b   $r0, [R_PORT_PA_DIR]
+ 
+-	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DATA, r0
+-	move.b   r0, [R_PORT_PB_DATA]
++	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DATA, $r0
++	move.b   $r0, [R_PORT_PB_DATA]
+ 
+-	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DIR, r0
+-	move.b   r0, [R_PORT_PB_DIR]
++	move.b   CONFIG_ETRAX_DEF_R_PORT_PB_DIR, $r0
++	move.b   $r0, [R_PORT_PB_DIR]
+ 
+ 	;; Setup the stack to a suitably high address.
+ 	;; We assume 8 MB is the minimum DRAM in an eLinux
+ 	;; product and put the sp at the top for now.
+ 
+-	move.d	0x40800000, sp
++	move.d	0x40800000, $sp
+ 
+ 	;; Figure out where the compressed piggyback image is
+ 	;; in the flash (since we wont try to copy it to DRAM
+ 	;; before unpacking). It is at _edata, but in flash.
+ 	;; Use (_edata - basse) as offset to the current PC.
+ 	
+-basse:	move.d	pc, r5
+-	and.d	0x7fffffff, r5	; strip any non-cache bit
+-	subq	2, r5		; compensate for the move.d pc instr
+-	move.d	r5, r0		; save for later - flash address of 'basse'
+-	add.d	_edata, r5
+-	sub.d	basse, r5	; r5 = flash address of '_edata'
++basse:	move.d	$pc, $r5
++	and.d	0x7fffffff, $r5	; strip any non-cache bit
++	subq	2, $r5		; compensate for the move.d pc instr
++	move.d	$r5, $r0		; save for later - flash address of 'basse'
++	add.d	_edata, $r5
++	sub.d	basse, $r5	; r5 = flash address of '_edata'
+ 	
+ 	;; Copy text+data to DRAM
+ 	
+-	move.d	basse, r1	; destination
+-	move.d	_edata, r2	; end destination
+-1:	move.w	[r0+], r3
+-	move.w	r3, [r1+]
+-	cmp.d	r2, r1
++	move.d	basse, $r1	; destination
++	move.d	_edata, $r2	; end destination
++1:	move.w	[$r0+], $r3
++	move.w	$r3, [$r1+]
++	cmp.d	$r2, $r1
+ 	bcs	1b
+ 	nop
+ 
+-	move.d	r5, [_input_data] ; for the decompressor
++	move.d	$r5, [input_data] ; for the decompressor
+ 
+ 
+ 	;; Clear the decompressors BSS (between _edata and _end)
+ 	
+-	moveq	0, r0
+-	move.d	_edata, r1
+-	move.d	_end, r2
+-1:	move.w	r0, [r1+]
+-	cmp.d	r2, r1
++	moveq	0, $r0
++	move.d	_edata, $r1
++	move.d	_end, $r2
++1:	move.w	$r0, [$r1+]
++	cmp.d	$r2, $r1
+ 	bcs	1b
+ 	nop
+ 
+ 	;;  Save command line magic and address.
+-	move.d	_cmd_line_magic, $r12
++	move.d	cmd_line_magic, $r12
+ 	move.d  $r10, [$r12]
+-	move.d	_cmd_line_addr, $r12
++	move.d	cmd_line_addr, $r12
+ 	move.d  $r11, [$r12]
+ 	
+ 	;; Do the decompression and save compressed size in _inptr
+ 
+-	jsr	_decompress_kernel
++	jsr	decompress_kernel
+ 	
+ 	;; Put start address of root partition in r9 so the kernel can use it
+ 	;; when mounting from flash
+ 
+-	move.d	[_input_data], r9	; flash address of compressed kernel
+-	add.d	[_inptr], r9		; size of compressed kernel
++	move.d	[input_data], $r9	; flash address of compressed kernel
++	add.d	[inptr], $r9		; size of compressed kernel
+ 
+ 	;; Restore command line magic and address.
+-	move.d  _cmd_line_magic, $r10
++	move.d  cmd_line_magic, $r10
+ 	move.d  [$r10], $r10
+-	move.d  _cmd_line_addr, $r11
++	move.d  cmd_line_addr, $r11
+ 	move.d  [$r11], $r11
+ 
+ 	;; Enter the decompressed kernel
+-	move.d	RAM_INIT_MAGIC, r8	; Tell kernel that DRAM is initialized
++	move.d	RAM_INIT_MAGIC, $r8	; Tell kernel that DRAM is initialized
+ 	jump	0x40004000	; kernel is linked to this address
+ 	
+ 	.data
+ 
+-_input_data:
++input_data:
+ 	.dword	0		; used by the decompressor
+-_cmd_line_magic:
++cmd_line_magic:
+ 	.dword 0
+-_cmd_line_addr:
++cmd_line_addr:
+ 	.dword 0
+ #include "../../lib/hw_settings.S"
+--- a/arch/cris/arch-v10/boot/compressed/misc.c
++++ b/arch/cris/arch-v10/boot/compressed/misc.c
+@@ -5,7 +5,7 @@
+  * adapted for Linux.
+  *
+  * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+- * puts by Nick Holloway 1993, better puts by Martin Mares 1995
++ * putstr by Nick Holloway 1993, better putstr by Martin Mares 1995
+  * adaptation for Linux/CRIS Axis Communications AB, 1999
+  *
+  */
+@@ -99,12 +99,12 @@ static void error(char *m);
+ static void gzip_mark(void **);
+ static void gzip_release(void **);
+  
+-static void puts(const char *);
++static void putstr(const char *);
+ 
+ /* the "heap" is put directly after the BSS ends, at end */
+   
+-extern int end;
+-static long free_mem_ptr = (long)&end;
++extern int _end;
++static long free_mem_ptr = (long)&_end;
+  
+ #include "../../../../../lib/inflate.c"
+ 
+@@ -139,7 +139,7 @@ static void gzip_release(void **ptr)
+ /* decompressor info and error messages to serial console */
+ 
+ static void
+-puts(const char *s)
++putstr(const char *s)
+ {
+ #ifndef CONFIG_ETRAX_DEBUG_PORT_NULL
+ 	while(*s) {
+@@ -209,9 +209,9 @@ flush_window()
+ static void
+ error(char *x)
+ {
+-	puts("\n\n");
+-	puts(x);
+-	puts("\n\n -- System halted\n");
++	putstr("\n\n");
++	putstr(x);
++	putstr("\n\n -- System halted\n");
+ 
+ 	while(1);	/* Halt */
+ }
+@@ -257,14 +257,7 @@ decompress_kernel()
+ 
+ 	makecrc();
+ 
+-	__asm__ volatile ("move vr,%0" : "=rm" (revision));
+-	if (revision < 10)
+-	{
+-		puts("You need an ETRAX 100LX to run linux 2.6\n");
+-		while(1);
+-	}
+-
+-	puts("Uncompressing Linux...\n");
++	putstr("Uncompressing Linux...\n");
+ 	gunzip();
+-	puts("Done. Now booting the kernel.\n");
++	putstr("Done. Now booting the kernel.\n");
+ }
+--- a/arch/cris/arch-v10/mm/init.c
++++ b/arch/cris/arch-v10/mm/init.c
+@@ -184,6 +184,9 @@ paging_init(void)
+ 
+ 	free_area_init_node(0, &contig_page_data, zones_size, PAGE_OFFSET >> PAGE_SHIFT, 0);
+ }
++void free_initrd_mem(unsigned long start, unsigned long end)
++{
++}
+ 
+ /* Initialize remaps of some I/O-ports. It is important that this
+  * is called before any driver is initialized.