b0a2db77d39267fc55f9501f2d20edf78fc4f3b4
[linux-2.6.git] / arch / arm / mach-l7200 / include / mach / debug-macro.S
1 /* arch/arm/mach-l7200/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                 .equ    io_virt, IO_BASE
15                 .equ    io_phys, IO_START
16
17                 .macro  addruart, rp, rv
18                 mov     \rp, #0x00044000        @ UART1
19 @               mov     \rp, #0x00045000        @ UART2
20                 add     \rv, \rp, #io_virt      @ virtual address
21                 add     \rp, \rp, #io_phys      @ physical base address
22                 .endm
23
24                 .macro  senduart,rd,rx
25                 str     \rd, [\rx, #0x0]        @ UARTDR
26                 .endm
27
28                 .macro  waituart,rd,rx
29 1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
30                 tst     \rd, #1 << 5            @ UARTFLGUTXFF - 1 when full
31                 bne     1001b
32                 .endm
33
34                 .macro  busyuart,rd,rx
35 1001:           ldr     \rd, [\rx, #0x18]       @ UARTFLG
36                 tst     \rd, #1 << 3            @ UARTFLGUBUSY - 1 when busy
37                 bne     1001b
38                 .endm