1/* linux/include/asm-arm/arch-omap/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#ifdef CONFIG_ARCH_OMAP1
18		moveq	\rx, #0xff000000	@ physical base address
19		movne	\rx, #0xfe000000	@ virtual base
20		orr	\rx, \rx, #0x00fb0000
21#ifdef CONFIG_OMAP_LL_DEBUG_UART3
22		orr	\rx, \rx, #0x00009000	@ UART 3
23#endif
24#if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3)
25		orr	\rx, \rx, #0x00000800	@ UART 2 & 3
26#endif
27
28#elif  CONFIG_ARCH_OMAP2
29		moveq	\rx, #0x48000000	@ physical base address
30		movne	\rx, #0xd8000000	@ virtual base
31		orr	\rx, \rx, #0x0006a000
32#ifdef CONFIG_OMAP_LL_DEBUG_UART2
33		add	\rx, \rx, #0x00002000	@ UART 2
34#endif
35#ifdef CONFIG_OMAP_LL_DEBUG_UART3
36		add	\rx, \rx, #0x00004000	@ UART 3
37#endif
38#endif
39		.endm
40
41		.macro	senduart,rd,rx
42		strb	\rd, [\rx]
43		.endm
44
45		.macro	busyuart,rd,rx
461001:		ldrb	\rd, [\rx, #(0x5 << 2)]	@ OMAP-1510 and friends
47		and	\rd, \rd, #0x60
48		teq	\rd, #0x60
49		beq	1002f
50		ldrb	\rd, [\rx, #(0x5 << 0)]	@ OMAP-730 only
51		and	\rd, \rd, #0x60
52		teq	\rd, #0x60
53		bne	1001b
541002:
55		.endm
56
57		.macro	waituart,rd,rx
58		.endm
59