git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| a09e64fb | 1 | /* arch/arm/mach-l7200/include/mach/debug-macro.S |
| 1da177e4 LT |
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 | .equ io_virt, IO_BASE | |
| 15 | .equ io_phys, IO_START | |
| 16 | ||
| 4e6d488a | 17 | .macro addruart, rx, tmp |
| 1da177e4 LT |
18 | mrc p15, 0, \rx, c1, c0 |
| 19 | tst \rx, #1 @ MMU enabled? | |
| 20 | moveq \rx, #io_phys @ physical base address | |
| 21 | movne \rx, #io_virt @ virtual address | |
| 22 | add \rx, \rx, #0x00044000 @ UART1 | |
| 23 | @ add \rx, \rx, #0x00045000 @ UART2 | |
| 24 | .endm | |
| 25 | ||
| 26 | .macro senduart,rd,rx | |
| 27 | str \rd, [\rx, #0x0] @ UARTDR | |
| 28 | .endm | |
| 29 | ||
| 30 | .macro waituart,rd,rx | |
| 31 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | |
| 32 | tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full | |
| 33 | bne 1001b | |
| 34 | .endm | |
| 35 | ||
| 36 | .macro busyuart,rd,rx | |
| 37 | 1001: ldr \rd, [\rx, #0x18] @ UARTFLG | |
| 38 | tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy | |
| 39 | bne 1001b | |
| 40 | .endm |