| /* linux/include/asm-arm/arch-l7200/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. | |
| * | |
| */ | |
| .equ io_virt, IO_BASE | |
| .equ io_phys, IO_START | |
| .macro addruart,rx | |
| mrc p15, 0, \rx, c1, c0 | |
| tst \rx, #1 @ MMU enabled? | |
| moveq \rx, #io_phys @ physical base address | |
| movne \rx, #io_virt @ virtual address | |
| add \rx, \rx, #0x00044000 @ UART1 | |
| @ add \rx, \rx, #0x00045000 @ UART2 | |
| .endm | |
| .macro senduart,rd,rx | |
| str \rd, [\rx, #0x0] @ UARTDR | |
| .endm | |
| .macro waituart,rd,rx | |
| 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | |
| tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full | |
| bne 1001b | |
| .endm | |
| .macro busyuart,rd,rx | |
| 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | |
| tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy | |
| bne 1001b | |
| .endm |