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Diffstat (limited to 'arch/arm/mach-shmobile/include/mach/zboot_macros.h')
-rw-r--r--arch/arm/mach-shmobile/include/mach/zboot_macros.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/zboot_macros.h b/arch/arm/mach-shmobile/include/mach/zboot_macros.h
new file mode 100644
index 0000000..aa6111f
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/zboot_macros.h
@@ -0,0 +1,65 @@
+#ifndef __ZBOOT_MACRO_H
+#define __ZBOOT_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
+ LDR r0, 1f
+ LDR r1, 2f
+ STR r1, [r0]
+ B 3f
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EW command is used to write a 16-bit word */
+.macro EW, addr, data
+ LDR r0, 1f
+ LDR r1, 2f
+ STRH r1, [r0]
+ B 3f
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The EB command is used to write an 8-bit word */
+.macro EB, addr, data
+ LDR r0, 1f
+ LDR r1, 2f
+ STRB r1, [r0]
+ B 3f
+1 : .long \addr
+2 : .long \data
+3 :
+.endm
+
+/* The WAIT command is used to delay the execution */
+.macro WAIT, time, reg
+ LDR r1, 1f
+ LDR r0, 2f
+ STR r0, [r1]
+10 :
+ LDR r0, [r1]
+ CMP r0, #0x00000000
+ BNE 10b
+ NOP
+ B 3f
+1 : .long \reg
+2 : .long \time * 100
+3 :
+.endm
+
+/* The DD command is used to read a 32-bit word */
+.macro DD, start, end
+ LDR r1, 1f
+ B 2f
+1 : .long \start
+2 :
+.endm
+
+#endif /* __ZBOOT_MACRO_H */