Merge git://git.infradead.org/mtd-2.6
[linux-2.6] / include / asm-arm / arch-imx / debug-macro.S
1 /* linux/include/asm-arm/arch-imx/debug-macro.S
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                 .macro  addruart,rx
15                 mrc     p15, 0, \rx, c1, c0
16                 tst     \rx, #1                 @ MMU enabled?
17                 moveq   \rx, #0x00000000        @ physical
18                 movne   \rx, #0xe0000000        @ virtual
19                 orreq   \rx, \rx, #0x00200000   @ physical
20                 orr     \rx, \rx, #0x00006000   @ UART1 offset
21                 .endm
22
23                 .macro  senduart,rd,rx
24                 str     \rd, [\rx, #0x40]       @ TXDATA
25                 .endm
26
27                 .macro  waituart,rd,rx
28                 .endm
29
30                 .macro  busyuart,rd,rx
31 1002:           ldr     \rd, [\rx, #0x98]       @ SR2
32                 tst     \rd, #1 << 3            @ TXDC
33                 beq     1002b                   @ wait until transmit done
34                 .endm