From 51533b615e605d86154ec1b4e585c8ca1b0b15b7 Mon Sep 17 00:00:00 2001
From: Mikael Starvik <mikael.starvik@axis.com>
Date: Wed, 27 Jul 2005 11:44:44 -0700
Subject: [PATCH] CRIS update: new subarchitecture v32

New CRIS sub architecture named v32.

From: Dave Jones <davej@redhat.com>

	Fix swapped kmalloc args

Signed-off-by: Mikael Starvik <starvik@axis.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/cris/arch-v32/boot/rescue/Makefile  | 36 +++++++++++++++++++++++++++++
 arch/cris/arch-v32/boot/rescue/head.S    | 39 ++++++++++++++++++++++++++++++++
 arch/cris/arch-v32/boot/rescue/rescue.ld | 20 ++++++++++++++++
 3 files changed, 95 insertions(+)
 create mode 100644 arch/cris/arch-v32/boot/rescue/Makefile
 create mode 100644 arch/cris/arch-v32/boot/rescue/head.S
 create mode 100644 arch/cris/arch-v32/boot/rescue/rescue.ld

(limited to 'arch/cris/arch-v32/boot/rescue')

diff --git a/arch/cris/arch-v32/boot/rescue/Makefile b/arch/cris/arch-v32/boot/rescue/Makefile
new file mode 100644
index 00000000000..f668a819872
--- /dev/null
+++ b/arch/cris/arch-v32/boot/rescue/Makefile
@@ -0,0 +1,36 @@
+#
+# Makefile for rescue code
+#
+target = $(target_rescue_dir)
+src    = $(src_rescue_dir)
+
+CC = gcc-cris -mlinux -march=v32 $(LINUXINCLUDE)
+CFLAGS = -O2
+LD = gcc-cris -mlinux -march=v32 -nostdlib
+OBJCOPY = objcopy-cris
+OBJCOPYFLAGS = -O binary --remove-section=.bss
+
+all: $(target)/rescue.bin
+
+rescue: rescue.bin
+	# do nothing
+
+$(target)/rescue.bin: $(target) $(target)/head.o
+	$(LD) -T $(src)/rescue.ld -o $(target)/rescue.o $(target)/head.o
+	$(OBJCOPY) $(OBJCOPYFLAGS) $(target)/rescue.o $(target)/rescue.bin
+	cp -p $(target)/rescue.bin $(objtree)
+
+$(target):
+	mkdir -p $(target)
+
+$(target)/head.o: $(src)/head.S
+	$(CC) -D__ASSEMBLY__ -c $< -o $*.o
+
+clean:
+	rm -f $(target)/*.o $(target)/*.bin
+
+fastdep:
+
+modules:
+
+modules-install:
diff --git a/arch/cris/arch-v32/boot/rescue/head.S b/arch/cris/arch-v32/boot/rescue/head.S
new file mode 100644
index 00000000000..61ede5f30f9
--- /dev/null
+++ b/arch/cris/arch-v32/boot/rescue/head.S
@@ -0,0 +1,39 @@
+/* $Id: head.S,v 1.4 2004/11/01 16:10:28 starvik Exp $
+ *
+ * This used to be the rescue code but now that is handled by the
+ * RedBoot based RFL instead. Nothing to see here, move along.
+ */
+
+#include <linux/config.h>
+#include <asm/arch/hwregs/reg_map_asm.h>
+#include <asm/arch/hwregs/config_defs_asm.h>
+
+	.text
+
+	;; Start clocks for used blocks.
+	move.d REG_ADDR(config, regi_config, rw_clk_ctrl), $r1
+	move.d [$r1], $r0
+	or.d   REG_STATE(config, rw_clk_ctrl, cpu, yes) | \
+	       REG_STATE(config, rw_clk_ctrl, bif, yes) | \
+	       REG_STATE(config, rw_clk_ctrl, fix_io, yes), $r0
+	move.d $r0, [$r1]
+
+	;; Copy 68KB NAND flash to Internal RAM (if NAND boot)
+	move.d 0x38004000, $r10
+	move.d 0x8000, $r11
+	move.d 0x11000, $r12
+	move.d copy_complete, $r13
+	and.d  0x000fffff, $r13
+	or.d   0x38000000, $r13
+
+#include "../../lib/nand_init.S"
+
+	;; No NAND found
+	move.d	CONFIG_ETRAX_PTABLE_SECTOR, $r10
+	jump	$r10 ; Jump to decompresser
+	nop
+
+copy_complete:
+	move.d	0x38000000 + CONFIG_ETRAX_PTABLE_SECTOR, $r10
+	jump	$r10 ; Jump to decompresser
+	nop
diff --git a/arch/cris/arch-v32/boot/rescue/rescue.ld b/arch/cris/arch-v32/boot/rescue/rescue.ld
new file mode 100644
index 00000000000..42b11aa122b
--- /dev/null
+++ b/arch/cris/arch-v32/boot/rescue/rescue.ld
@@ -0,0 +1,20 @@
+MEMORY
+	{
+	flash : ORIGIN = 0x00000000,
+	        LENGTH = 0x00100000
+	}
+
+SECTIONS
+{
+	.text :
+	{
+		stext = . ;
+		*(.text)
+		etext = . ;
+	} > flash
+	.data :
+	{
+		*(.data)
+		edata = . ;
+	} > flash
+}
-- 
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