MX31: add basic pcm037 board support
[linux-2.6.git] / include / asm-arm / arch-mxc / 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 #include <asm/arch/hardware.h>
15
16 #ifdef CONFIG_MACH_MX31ADS
17 #include <asm/arch/board-mx31ads.h>
18 #endif
19 #ifdef CONFIG_MACH_PCM037
20 #include <asm/arch/board-pcm037.h>
21 #endif
22
23                 .macro  addruart,rx
24                 mrc     p15, 0, \rx, c1, c0
25                 tst     \rx, #1                 @ MMU enabled?
26                 ldreq   \rx, =MXC_LL_UART_PADDR @ physical
27                 ldrne   \rx, =MXC_LL_UART_VADDR @ virtual
28                 .endm
29
30                 .macro  senduart,rd,rx
31                 str     \rd, [\rx, #0x40]       @ TXDATA
32                 .endm
33
34                 .macro  waituart,rd,rx
35                 .endm
36
37                 .macro  busyuart,rd,rx
38 1002:           ldr     \rd, [\rx, #0x98]       @ SR2
39                 tst     \rd, #1 << 3            @ TXDC
40                 beq     1002b                   @ wait until transmit done
41                 .endm