sh: add romimage-macros.h

romimage macros which are used in kfr2r09 is very useful for other board.
This patch divides kfr2r09's romimage.h into
romimage-macros and partner-jet-setup.

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/arch/sh/include/asm/romimage-macros.h b/arch/sh/include/asm/romimage-macros.h
new file mode 100644
index 00000000000..ae17a150bb5
--- /dev/null
+++ b/arch/sh/include/asm/romimage-macros.h
@@ -0,0 +1,73 @@
+#ifndef __ROMIMAGE_MACRO_H
+#define __ROMIMAGE_MACRO_H
+
+/* The LIST command is used to include comments in the script */
+.macro	LIST comment
+.endm
+
+/* The ED command is used to write a 32-bit word */
+.macro  ED, addr, data
+	mov.l 1f, r1
+	mov.l 2f, r0
+	mov.l r0, @r1
+	bra 3f
+	 nop
+	.align 2
+1 :	.long \addr
+2 :	.long \data
+3 :
+.endm
+
+/* The EW command is used to write a 16-bit word */
+.macro  EW, addr, data
+	mov.l 1f, r1
+	mov.l 2f, r0
+	mov.w r0, @r1
+	bra 3f
+	 nop
+	.align 2
+1 :	.long \addr
+2 :	.long \data
+3 :
+.endm
+
+/* The EB command is used to write an 8-bit word */
+.macro  EB, addr, data
+	mov.l 1f, r1
+	mov.l 2f, r0
+	mov.b r0, @r1
+	bra 3f
+	 nop
+	.align 2
+1 :	.long \addr
+2 :	.long \data
+3 :
+.endm
+
+/* The WAIT command is used to delay the execution */
+.macro  WAIT, time
+	mov.l  2f, r3
+1 :
+	nop
+	tst     r3, r3
+	bf/s    1b
+	dt      r3
+	bra	3f
+	 nop
+	.align 2
+2 :	.long \time * 100
+3 :
+.endm
+
+/* The DD command is used to read a 32-bit word */
+.macro  DD, addr, addr2, nr
+	mov.l 1f, r1
+	mov.l @r1, r0
+	bra 2f
+	 nop
+	.align 2
+1 :	.long \addr
+2 :
+.endm
+
+#endif /* __ROMIMAGE_MACRO_H */