| /* | |
| * Debugging macro include header | |
| * | |
| * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> | |
| * Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S | |
| * Minor changes for readability. | |
| * | |
| * 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. | |
| */ | |
| #define DEBUG_LL_PHYS_BASE 0xD8000000 | |
| #define DEBUG_LL_VIRT_BASE 0xF8000000 | |
| #define DEBUG_LL_UART_OFFSET 0x00200000 | |
| #if defined(CONFIG_DEBUG_VT8500_UART0) | |
| .macro addruart, rp, rv, tmp | |
| mov \rp, #DEBUG_LL_UART_OFFSET | |
| orr \rv, \rp, #DEBUG_LL_VIRT_BASE | |
| orr \rp, \rp, #DEBUG_LL_PHYS_BASE | |
| .endm | |
| .macro senduart,rd,rx | |
| strb \rd, [\rx, #0] | |
| .endm | |
| .macro busyuart,rd,rx | |
| 1001: ldr \rd, [\rx, #0x1c] | |
| ands \rd, \rd, #0x2 | |
| bne 1001b | |
| .endm | |
| .macro waituart,rd,rx | |
| .endm | |
| #endif |