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/* 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_ZTE_ZX
12#undef UART01x_DR
13#undef UART01x_FR
14#define UART01x_DR     0x04
15#define UART01x_FR     0x14
16#endif
17
18#ifdef CONFIG_DEBUG_UART_PHYS
19		.macro	addruart, rp, rv, tmp
20		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
21		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
22		.endm
23#endif
24
25		.macro	senduart,rd,rx
26		strb	\rd, [\rx, #UART01x_DR]
27		.endm
28
29		.macro	waituart,rd,rx
 
 
 
301001:		ldr	\rd, [\rx, #UART01x_FR]
31 ARM_BE8(	rev	\rd, \rd )
32		tst	\rd, #UART01x_FR_TXFF
33		bne	1001b
34		.endm
35
36		.macro	busyuart,rd,rx
371001:		ldr	\rd, [\rx, #UART01x_FR]
38 ARM_BE8(	rev	\rd, \rd )
39		tst	\rd, #UART01x_FR_BUSY
40		bne	1001b
41		.endm