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1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Debugging macro include header
3 *
4 * Copyright (C) 1994-1999 Russell King
5 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
6 * Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
7 */
8
9 .macro addruart, rp, rv, tmp
10 ldr \rp, = CONFIG_DEBUG_UART_PHYS
11 ldr \rv, = CONFIG_DEBUG_UART_VIRT
12 .endm
13
14 .macro waituarttxrdy,rd,rx
15 .endm
16
17 .macro waituartcts,rd,rx
18 .endm
19
20 .macro senduart,rd,rx
21 str \rd, [\rx, #0x50] @ TXDATA
22 .endm
23
24 .macro busyuart,rd,rx
251002: ldr \rd, [\rx, #0x60] @ STAT
26 tst \rd, #1 << 27 @ TXEMPTY
27 beq 1002b @ wait until transmit done
28 .endm
1/* Debugging macro include header
2 *
3 * Copyright (C) 1994-1999 Russell King
4 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
5 * Modified for ASM9260 by Oleksij Remepl <linux@rempel-privat.de>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 */
12
13 .macro addruart, rp, rv, tmp
14 ldr \rp, = CONFIG_DEBUG_UART_PHYS
15 ldr \rv, = CONFIG_DEBUG_UART_VIRT
16 .endm
17
18 .macro waituart,rd,rx
19 .endm
20
21 .macro senduart,rd,rx
22 str \rd, [\rx, #0x50] @ TXDATA
23 .endm
24
25 .macro busyuart,rd,rx
261002: ldr \rd, [\rx, #0x60] @ STAT
27 tst \rd, #1 << 27 @ TXEMPTY
28 beq 1002b @ wait until transmit done
29 .endm