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e317872a | 1 | /* |
2 | * Debugging macro include header | |
3 | * | |
4 | * Embedded Alley Solutions, Inc <source@embeddedalley.com> | |
5 | * | |
6 | * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. | |
7 | * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. | |
8 | */ | |
9 | ||
10 | /* | |
11 | * The code contained herein is licensed under the GNU General Public | |
12 | * License. You may obtain a copy of the GNU General Public License | |
13 | * Version 2 or later at the following locations: | |
14 | * | |
15 | * http://www.opensource.org/licenses/gpl-license.html | |
16 | * http://www.gnu.org/copyleft/gpl.html | |
17 | */ | |
18 | ||
0ea12930 JK |
19 | .macro addruart, rp, rv |
20 | mov \rp, #0x00070000 | |
21 | add \rv, \rp, #0xf0000000 @ virtual base | |
22 | add \rp, \rp, #0x80000000 @ physical base | |
e317872a | 23 | .endm |
24 | ||
25 | .macro senduart,rd,rx | |
26 | strb \rd, [\rx, #0] @ data register at 0 | |
27 | .endm | |
28 | ||
29 | .macro waituart,rd,rx | |
30 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | |
31 | tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full | |
32 | bne 1001b | |
33 | .endm | |
34 | ||
35 | .macro busyuart,rd,rx | |
36 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | |
37 | tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy | |
38 | bne 1001b | |
39 | .endm |