| /* linux/include/asm-arm/arch-epxa10db/debug-macro.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 <asm/arch/excalibur.h> |
| #define UART00_TYPE |
| #include <asm/arch/uart00.h> |
| |
| .macro addruart,rx |
| mrc p15, 0, \rx, c1, c0 |
| tst \rx, #1 @ MMU enabled? |
| ldr \rx, =EXC_UART00_BASE @ physical base address |
| orrne \rx, \rx, #0xff000000 @ virtual base |
| orrne \rx, \rx, #0x00f00000 |
| .endm |
| |
| .macro senduart,rd,rx |
| str \rd, [\rx, #UART_TD(0)] |
| .endm |
| |
| .macro waituart,rd,rx |
| 1001: ldr \rd, [\rx, #UART_TSR(0)] |
| and \rd, \rd, #UART_TSR_TX_LEVEL_MSK |
| cmp \rd, #15 |
| beq 1001b |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldr \rd, [\rx, #UART_TSR(0)] |
| ands \rd, \rd, #UART_TSR_TX_LEVEL_MSK |
| bne 1001b |
| .endm |
