xref: /OK3568_Linux_fs/kernel/arch/sh/include/asm/romimage-macros.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ROMIMAGE_MACRO_H
3*4882a593Smuzhiyun #define __ROMIMAGE_MACRO_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun /* The LIST command is used to include comments in the script */
6*4882a593Smuzhiyun .macro	LIST comment
7*4882a593Smuzhiyun .endm
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun /* The ED command is used to write a 32-bit word */
10*4882a593Smuzhiyun .macro  ED, addr, data
11*4882a593Smuzhiyun 	mov.l 1f, r1
12*4882a593Smuzhiyun 	mov.l 2f, r0
13*4882a593Smuzhiyun 	mov.l r0, @r1
14*4882a593Smuzhiyun 	bra 3f
15*4882a593Smuzhiyun 	 nop
16*4882a593Smuzhiyun 	.align 2
17*4882a593Smuzhiyun 1 :	.long \addr
18*4882a593Smuzhiyun 2 :	.long \data
19*4882a593Smuzhiyun 3 :
20*4882a593Smuzhiyun .endm
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun /* The EW command is used to write a 16-bit word */
23*4882a593Smuzhiyun .macro  EW, addr, data
24*4882a593Smuzhiyun 	mov.l 1f, r1
25*4882a593Smuzhiyun 	mov.l 2f, r0
26*4882a593Smuzhiyun 	mov.w r0, @r1
27*4882a593Smuzhiyun 	bra 3f
28*4882a593Smuzhiyun 	 nop
29*4882a593Smuzhiyun 	.align 2
30*4882a593Smuzhiyun 1 :	.long \addr
31*4882a593Smuzhiyun 2 :	.long \data
32*4882a593Smuzhiyun 3 :
33*4882a593Smuzhiyun .endm
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun /* The EB command is used to write an 8-bit word */
36*4882a593Smuzhiyun .macro  EB, addr, data
37*4882a593Smuzhiyun 	mov.l 1f, r1
38*4882a593Smuzhiyun 	mov.l 2f, r0
39*4882a593Smuzhiyun 	mov.b r0, @r1
40*4882a593Smuzhiyun 	bra 3f
41*4882a593Smuzhiyun 	 nop
42*4882a593Smuzhiyun 	.align 2
43*4882a593Smuzhiyun 1 :	.long \addr
44*4882a593Smuzhiyun 2 :	.long \data
45*4882a593Smuzhiyun 3 :
46*4882a593Smuzhiyun .endm
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun /* The WAIT command is used to delay the execution */
49*4882a593Smuzhiyun .macro  WAIT, time
50*4882a593Smuzhiyun 	mov.l  2f, r3
51*4882a593Smuzhiyun 1 :
52*4882a593Smuzhiyun 	nop
53*4882a593Smuzhiyun 	tst     r3, r3
54*4882a593Smuzhiyun 	bf/s    1b
55*4882a593Smuzhiyun 	dt      r3
56*4882a593Smuzhiyun 	bra	3f
57*4882a593Smuzhiyun 	 nop
58*4882a593Smuzhiyun 	.align 2
59*4882a593Smuzhiyun 2 :	.long \time * 100
60*4882a593Smuzhiyun 3 :
61*4882a593Smuzhiyun .endm
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun /* The DD command is used to read a 32-bit word */
64*4882a593Smuzhiyun .macro  DD, addr, addr2, nr
65*4882a593Smuzhiyun 	mov.l 1f, r1
66*4882a593Smuzhiyun 	mov.l @r1, r0
67*4882a593Smuzhiyun 	bra 2f
68*4882a593Smuzhiyun 	 nop
69*4882a593Smuzhiyun 	.align 2
70*4882a593Smuzhiyun 1 :	.long \addr
71*4882a593Smuzhiyun 2 :
72*4882a593Smuzhiyun .endm
73*4882a593Smuzhiyun 
74*4882a593Smuzhiyun #endif /* __ROMIMAGE_MACRO_H */
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