| 12345678910111213141516171819202122232425262728293031323334353637383940 |
- /* linux/include/asm-arm/arch-ixp2000/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.
- *
- */
- .macro addruart,rx
- mrc p15, 0, \rx, c1, c0
- tst \rx, #1 @ MMU enabled?
- moveq \rx, #0xc0000000 @ Physical base
- movne \rx, #0xfe000000 @ virtual base
- orrne \rx, \rx, #0x00f00000
- orr \rx, \rx, #0x00030000
- #ifdef __ARMEB__
- orr \rx, \rx, #0x00000003
- #endif
- .endm
- .macro senduart,rd,rx
- strb \rd, [\rx]
- .endm
- .macro busyuart,rd,rx
- 1002: ldrb \rd, [\rx, #0x14]
- tst \rd, #0x20
- beq 1002b
- .endm
- .macro waituart,rd,rx
- nop
- nop
- nop
- .endm
|
