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-rw-r--r--arch/sh/include/asm/romimage-macros.h74
1 files changed, 74 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 0000000000..f9352ee7c2
--- /dev/null
+++ b/arch/sh/include/asm/romimage-macros.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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 */