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1/* SPDX-License-Identifier: GPL-2.0-only */
2/* arch/arm/mach-footbridge/include/mach/debug-macro.S
3 *
4 * Debugging macro include header
5 *
6 * Copyright (C) 1994-1999 Russell King
7 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
8*/
9
10#include <asm/hardware/dec21285.h>
11
12#include <mach/hardware.h>
13 /* For EBSA285 debugging */
14 .equ dc21285_high, ARMCSR_BASE & 0xff000000
15 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
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_high
24 orr \rp, \rp, #0x42000000
25 .endm
26
27 .macro senduart,rd,rx
28 str \rd, [\rx, #0x160] @ UARTDR
29 .endm
30
31 .macro busyuart,rd,rx
321001: ldr \rd, [\rx, #0x178] @ UARTFLG
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
1/* arch/arm/mach-footbridge/include/mach/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14#include <asm/hardware/dec21285.h>
15
16#include <mach/hardware.h>
17 /* For EBSA285 debugging */
18 .equ dc21285_high, ARMCSR_BASE & 0xff000000
19 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff
20
21 .macro addruart, rp, rv, tmp
22 .if dc21285_low
23 mov \rp, #dc21285_low
24 .else
25 mov \rp, #0
26 .endif
27 orr \rv, \rp, #dc21285_high
28 orr \rp, \rp, #0x42000000
29 .endm
30
31 .macro senduart,rd,rx
32 str \rd, [\rx, #0x160] @ UARTDR
33 .endm
34
35 .macro busyuart,rd,rx
361001: ldr \rd, [\rx, #0x178] @ UARTFLG
37 tst \rd, #1 << 3
38 bne 1001b
39 .endm
40
41 .macro waituart,rd,rx
42 .endm