| Russell King | 4baa992 | 2008-08-02 10:55:55 +0100 | [diff] [blame] | 1 | /* arch/arm/include/asm/hardware/debug-pl01x.S |
| Russell King | 71dccd0 | 2006-03-16 20:50:34 +0000 | [diff] [blame] | 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 | #include <linux/amba/serial.h> |
| 14 | |
| 15 | .macro senduart,rd,rx |
| 16 | strb \rd, [\rx, #UART01x_DR] |
| 17 | .endm |
| 18 | |
| 19 | .macro waituart,rd,rx |
| 20 | 1001: ldr \rd, [\rx, #UART01x_FR] |
| Ben Dooks | 1eff66b | 2013-02-06 18:25:36 +0000 | [diff] [blame] | 21 | ARM_BE8( rev \rd, \rd ) |
| Russell King | 71dccd0 | 2006-03-16 20:50:34 +0000 | [diff] [blame] | 22 | tst \rd, #UART01x_FR_TXFF |
| 23 | bne 1001b |
| 24 | .endm |
| 25 | |
| 26 | .macro busyuart,rd,rx |
| 27 | 1001: ldr \rd, [\rx, #UART01x_FR] |
| Ben Dooks | 1eff66b | 2013-02-06 18:25:36 +0000 | [diff] [blame] | 28 | ARM_BE8( rev \rd, \rd ) |
| Russell King | 71dccd0 | 2006-03-16 20:50:34 +0000 | [diff] [blame] | 29 | tst \rd, #UART01x_FR_BUSY |
| 30 | bne 1001b |
| 31 | .endm |