Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* linux/include/asm-arm/arch-ebsa110/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12**/
13
14 .macro addruart,rx
15 mov \rx, #0xf0000000
16 orr \rx, \rx, #0x00000be0
17 .endm
18
19 .macro senduart,rd,rx
20 strb \rd, [\rx]
21 .endm
22
23 .macro busyuart,rd,rx
241002: ldrb \rd, [\rx, #0x14]
25 and \rd, \rd, #0x60
26 teq \rd, #0x60
27 bne 1002b
28 .endm
29
30 .macro waituart,rd,rx
311001: ldrb \rd, [\rx, #0x18]
32 tst \rd, #0x10
33 beq 1001b
34 .endm