1/* SPDX-License-Identifier: GPL-2.0-only */
 2/* arch/arm/include/debug/pl01x.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#include <linux/amba/serial.h>
10
 
 
 
 
 
 
 
11#ifdef CONFIG_DEBUG_UART_PHYS
12		.macro	addruart, rp, rv, tmp
13		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
14		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
15		.endm
16#endif
17
18		.macro	senduart,rd,rx
19		strb	\rd, [\rx, #UART01x_DR]
20		.endm
21
22		.macro	waituartcts,rd,rx
23		.endm
24
25		.macro	waituarttxrdy,rd,rx
261001:		ldr	\rd, [\rx, #UART01x_FR]
27 ARM_BE8(	rev	\rd, \rd )
28		tst	\rd, #UART01x_FR_TXFF
29		bne	1001b
30		.endm
31
32		.macro	busyuart,rd,rx
331001:		ldr	\rd, [\rx, #UART01x_FR]
34 ARM_BE8(	rev	\rd, \rd )
35		tst	\rd, #UART01x_FR_BUSY
36		bne	1001b
37		.endm

 
 1/* arch/arm/include/debug/pl01x.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#include <linux/amba/serial.h>
14
15#ifdef CONFIG_DEBUG_ZTE_ZX
16#undef UART01x_DR
17#undef UART01x_FR
18#define UART01x_DR     0x04
19#define UART01x_FR     0x14
20#endif
21
22#ifdef CONFIG_DEBUG_UART_PHYS
23		.macro	addruart, rp, rv, tmp
24		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
25		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
26		.endm
27#endif
28
29		.macro	senduart,rd,rx
30		strb	\rd, [\rx, #UART01x_DR]
31		.endm
32
33		.macro	waituart,rd,rx
 
 
 
341001:		ldr	\rd, [\rx, #UART01x_FR]
35 ARM_BE8(	rev	\rd, \rd )
36		tst	\rd, #UART01x_FR_TXFF
37		bne	1001b
38		.endm
39
40		.macro	busyuart,rd,rx
411001:		ldr	\rd, [\rx, #UART01x_FR]
42 ARM_BE8(	rev	\rd, \rd )
43		tst	\rd, #UART01x_FR_BUSY
44		bne	1001b
45		.endm