| Tony Lindgren | aca59b8 | 2009-10-19 17:26:17 -0700 | [diff] [blame] | 1 | /* arch/arm/mach-omap1/include/mach/debug-macro.S |
| 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 | |
| 14 | .macro addruart,rx |
| 15 | mrc p15, 0, \rx, c1, c0 |
| 16 | tst \rx, #1 @ MMU enabled? |
| 17 | moveq \rx, #0xff000000 @ physical base address |
| 18 | movne \rx, #0xfe000000 @ virtual base |
| 19 | orr \rx, \rx, #0x00fb0000 |
| 20 | #ifdef CONFIG_OMAP_LL_DEBUG_UART3 |
| 21 | orr \rx, \rx, #0x00009000 @ UART 3 |
| 22 | #endif |
| 23 | #if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) |
| 24 | orr \rx, \rx, #0x00000800 @ UART 2 & 3 |
| 25 | #endif |
| 26 | .endm |
| 27 | |
| 28 | .macro senduart,rd,rx |
| 29 | strb \rd, [\rx] |
| 30 | .endm |
| 31 | |
| 32 | .macro busyuart,rd,rx |
| 33 | 1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends |
| 34 | and \rd, \rd, #0x60 |
| 35 | teq \rd, #0x60 |
| 36 | beq 1002f |
| 37 | ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only |
| 38 | and \rd, \rd, #0x60 |
| 39 | teq \rd, #0x60 |
| 40 | bne 1001b |
| 41 | 1002: |
| 42 | .endm |
| 43 | |
| 44 | .macro waituart,rd,rx |
| 45 | .endm |