[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 2

The attached patches provides part 2 of an architecture implementation for the
Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/arch/xtensa/boot/boot-elf/bootstrap.S b/arch/xtensa/boot/boot-elf/bootstrap.S
new file mode 100644
index 000000000000..7cba94abdab8
--- /dev/null
+++ b/arch/xtensa/boot/boot-elf/bootstrap.S
@@ -0,0 +1,37 @@
+
+#include <xtensa/config/specreg.h>
+#include <xtensa/config/core.h>
+
+#include <linux/config.h>
+#include <asm/bootparam.h>
+
+
+/* ResetVector
+ */
+        .section        .ResetVector.text, "ax"
+        .global         _ResetVector
+_ResetVector:
+        _j reset
+        .align 4
+RomInitAddr:
+        .word 0xd0001000
+RomBootParam:
+        .word _bootparam
+reset:
+        l32r    a0, RomInitAddr
+        l32r    a2, RomBootParam
+        movi    a3, 0
+        movi    a4, 0
+        jx      a0
+
+        .align 4
+        .section .bootstrap.data, "aw"
+
+        .globl _bootparam
+_bootparam:
+        .short  BP_TAG_FIRST
+        .short  4
+        .long   BP_VERSION
+        .short  BP_TAG_LAST
+        .short  0
+        .long   0