Merge branches 'gemini' and 'misc' into devel
[sfrench/cifs-2.6.git] / arch / arm / mach-h720x / include / mach / debug-macro.S
1 /* arch/arm/mach-h720x/include/mach/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 <mach/hardware.h>
15
16                 .equ    io_virt, IO_VIRT
17                 .equ    io_phys, IO_PHYS
18
19                 .macro  addruart, rx, tmp
20                 mrc     p15, 0, \rx, c1, c0
21                 tst     \rx, #1                @ MMU enabled?
22                 moveq   \rx, #io_phys          @ physical base address
23                 movne   \rx, #io_virt          @ virtual address
24                 add     \rx, \rx, #0x00020000   @ UART1
25                 .endm
26
27                 .macro  senduart,rd,rx
28                 str     \rd, [\rx, #0x0]        @ UARTDR
29
30                 .endm
31
32                 .macro  waituart,rd,rx
33 1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
34                 tst     \rd, #1 << 5           @ UARTFLGUTXFF - 1 when full
35                 bne     1001b
36                 .endm
37
38                 .macro  busyuart,rd,rx
39 1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
40                 tst     \rd, #1 << 3           @ UARTFLGUBUSY - 1 when busy
41                 bne     1001b
42                 .endm