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Diffstat (limited to 'arch/cris/arch-v32/boot/rescue/head.S')
-rw-r--r--arch/cris/arch-v32/boot/rescue/head.S39
1 files changed, 39 insertions, 0 deletions
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