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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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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> | |
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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 waituart,rd,rx | |
15 | .endm | |
16 | ||
17 | .macro senduart,rd,rx | |
18 | str \rd, [\rx, #0x50] @ TXDATA | |
19 | .endm | |
20 | ||
21 | .macro busyuart,rd,rx | |
22 | 1002: ldr \rd, [\rx, #0x60] @ STAT | |
23 | tst \rd, #1 << 27 @ TXEMPTY | |
24 | beq 1002b @ wait until transmit done | |
25 | .endm |