| /* arch/arm/include/asm/hardware/debug-pl01x.S |
| * |
| * Debugging macro include header |
| * |
| * Copyright (C) 1994-1999 Russell King |
| * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| */ |
| #include <linux/amba/serial.h> |
| |
| .macro senduart,rd,rx |
| strb \rd, [\rx, #UART01x_DR] |
| .endm |
| |
| .macro waituart,rd,rx |
| 1001: ldr \rd, [\rx, #UART01x_FR] |
| tst \rd, #UART01x_FR_TXFF |
| bne 1001b |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldr \rd, [\rx, #UART01x_FR] |
| tst \rd, #UART01x_FR_BUSY |
| bne 1001b |
| .endm |
