summaryrefslogblamecommitdiff
path: root/arch/arm/mach-l7200/include/mach/debug-macro.S
blob: 34eed2a63e69951eda7db9f8ea291dd04ba5be1b (plain) (tree) 
a09e64fbc009 ^

1da177e4c3f4







































1

2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

                                                 






































                                                                            
/* arch/arm/mach-l7200/include/mach/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.
 *
*/

		.equ	io_virt, IO_BASE
		.equ	io_phys, IO_START

		.macro	addruart,rx
		mrc	p15, 0, \rx, c1, c0
		tst	\rx, #1			@ MMU enabled?
		moveq	\rx, #io_phys		@ physical base address
		movne	\rx, #io_virt		@ virtual address
		add	\rx, \rx, #0x00044000	@ UART1
@		add	\rx, \rx, #0x00045000	@ UART2
		.endm

		.macro	senduart,rd,rx
		str	\rd, [\rx, #0x0]	@ UARTDR
		.endm

		.macro	waituart,rd,rx
1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
		tst	\rd, #1 << 5		@ UARTFLGUTXFF - 1 when full
		bne	1001b
		.endm

		.macro	busyuart,rd,rx
1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
		tst	\rd, #1 << 3		@ UARTFLGUBUSY - 1 when busy
		bne	1001b
		.endm