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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 | |
26 | 1002: ldr \rd, [\rx, #0x60] @ STAT | |
27 | tst \rd, #1 << 27 @ TXEMPTY | |
28 | beq 1002b @ wait until transmit done | |
29 | .endm |