| Tony Prisk | b61a272 | 2012-12-28 12:09:18 +1300 | [diff] [blame] | 1 | /* |
| 2 | * Debugging macro include header |
| 3 | * |
| 4 | * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> |
| 5 | * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S |
| 6 | * Minor changes for readability. |
| 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 | #define DEBUG_LL_PHYS_BASE 0xD8000000 |
| 14 | #define DEBUG_LL_VIRT_BASE 0xF8000000 |
| 15 | #define DEBUG_LL_UART_OFFSET 0x00200000 |
| 16 | |
| 17 | #if defined(CONFIG_DEBUG_VT8500_UART0) |
| 18 | .macro addruart, rp, rv, tmp |
| 19 | mov \rp, #DEBUG_LL_UART_OFFSET |
| 20 | orr \rv, \rp, #DEBUG_LL_VIRT_BASE |
| 21 | orr \rp, \rp, #DEBUG_LL_PHYS_BASE |
| 22 | .endm |
| 23 | |
| 24 | .macro senduart,rd,rx |
| 25 | strb \rd, [\rx, #0] |
| 26 | .endm |
| 27 | |
| 28 | .macro busyuart,rd,rx |
| 29 | 1001: ldr \rd, [\rx, #0x1c] |
| 30 | ands \rd, \rd, #0x2 |
| 31 | bne 1001b |
| 32 | .endm |
| 33 | |
| 34 | .macro waituart,rd,rx |
| 35 | .endm |
| 36 | |
| 37 | #endif |