| /* |
| * Debugging macro include header |
| * |
| * Embedded Alley Solutions, Inc <source@embeddedalley.com> |
| * |
| * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. |
| * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. |
| */ |
| |
| /* |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| */ |
| |
| .macro addruart, rx, tmp |
| mrc p15, 0, \rx, c1, c0 |
| tst \rx, #1 @ MMU enabled? |
| moveq \rx, #0x80000000 @ physical base address |
| addeq \rx, \rx, #0x00070000 |
| movne \rx, #0xf0000000 @ virtual base |
| addne \rx, \rx, #0x00070000 |
| .endm |
| |
| .macro senduart,rd,rx |
| strb \rd, [\rx, #0] @ data register at 0 |
| .endm |
| |
| .macro waituart,rd,rx |
| 1001: ldr \rd, [\rx, #0x18] @ UARTFLG |
| tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full |
| bne 1001b |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldr \rd, [\rx, #0x18] @ UARTFLG |
| tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy |
| bne 1001b |
| .endm |