1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Debugging macro include header for Conexant Digicolor USART
 4 *
 5 * Copyright (C) 2014 Paradox Innovation Ltd.
 
 
 
 
 
 6*/
 7
 8#define UA0_STATUS	0x0742
 9#define UA0_EMI_REC	0x0744
10
11#define UA0_STATUS_TX_READY	0x40
12
13#ifdef CONFIG_DEBUG_UART_PHYS
14		.macro	addruart, rp, rv, tmp
15		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
16		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
17		.endm
18#endif
19
20		.macro	senduart,rd,rx
21		strb	\rd, [\rx, #UA0_EMI_REC]
22		.endm
23
24		.macro	waituartcts,rd,rx
25		.endm
26
27		.macro	waituarttxrdy,rd,rx
28		.endm
29
30	.macro	busyuart,rd,rx
311001:		ldrb	\rd, [\rx, #UA0_STATUS]
32		tst	\rd, #UA0_STATUS_TX_READY
33		beq	1001b
34		.endm

 
 1/*
 2 * Debugging macro include header for Conexant Digicolor USART
 3 *
 4 * Copyright (C) 2014 Paradox Innovation Ltd.
 5 *
 6 * This program is free software; you can redistribute it and/or modify
 7 * it under the terms of the GNU General Public License version 2 as
 8 * published by the Free Software Foundation.
 9 *
10*/
11
12#define UA0_STATUS	0x0742
13#define UA0_EMI_REC	0x0744
14
15#define UA0_STATUS_TX_READY	0x40
16
17#ifdef CONFIG_DEBUG_UART_PHYS
18		.macro	addruart, rp, rv, tmp
19		ldr	\rp, =CONFIG_DEBUG_UART_PHYS
20		ldr	\rv, =CONFIG_DEBUG_UART_VIRT
21		.endm
22#endif
23
24		.macro	senduart,rd,rx
25		strb	\rd, [\rx, #UA0_EMI_REC]
26		.endm
27
28		.macro	waituart,rd,rx
 
 
 
29		.endm
30
31	.macro	busyuart,rd,rx
321001:		ldrb	\rd, [\rx, #UA0_STATUS]
33		tst	\rd, #UA0_STATUS_TX_READY
34		beq	1001b
35		.endm