1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /* arch/arm/mach-footbridge/include/mach/debug
3 *
4 * Debugging macro include header
5 *
6 * Copyright (C) 1994-1999 Russell King
7 * Moved from linux/arch/arm/kernel/debug.S b
8 */
9
10 #include <asm/hardware/dec21285.h>
11
12 #include <mach/hardware.h>
13 /* For EBSA285 debugging */
14 .equ dc21285_high, ARMCSR_B
15 .equ dc21285_low, ARMCSR_B
16
17 .macro addruart, rp, rv, tmp
18 .if dc21285_low
19 mov \rp, #dc21285_low
20 .else
21 mov \rp, #0
22 .endif
23 orr \rv, \rp, #dc21285_hig
24 orr \rp, \rp, #0x42000000
25 .endm
26
27 .macro senduart,rd,rx
28 str \rd, [\rx, #0x160]
29 .endm
30
31 .macro busyuart,rd,rx
32 1001: ldr \rd, [\rx, #0x178]
33 tst \rd, #1 << 3
34 bne 1001b
35 .endm
36
37 .macro waituartcts,rd,rx
38 .endm
39
40 .macro waituarttxrdy,rd,rx
41 .endm
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