xref: /openbmc/linux/arch/arm/include/debug/vt8500.S (revision 4f3db074)
1/*
2 * Debugging macro include header
3 *
4 *  Copyright (C) 2010 Alexey Charkov <alchark@gmail.com>
5 *    Moved from arch/arm/mach-vt8500/include/mach/debug-macro.S
6 *    Minor changes for readability.
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#define DEBUG_LL_PHYS_BASE		0xD8000000
14#define DEBUG_LL_VIRT_BASE		0xF8000000
15#define DEBUG_LL_UART_OFFSET		0x00200000
16
17#if defined(CONFIG_DEBUG_VT8500_UART0)
18	.macro	addruart, rp, rv, tmp
19	mov	\rp,      #DEBUG_LL_UART_OFFSET
20	orr	\rv, \rp, #DEBUG_LL_VIRT_BASE
21	orr	\rp, \rp, #DEBUG_LL_PHYS_BASE
22	.endm
23
24	.macro	senduart,rd,rx
25	strb	\rd, [\rx, #0]
26	.endm
27
28	.macro	busyuart,rd,rx
291001:	ldr	\rd, [\rx, #0x1c]
30	ands	\rd, \rd, #0x2
31	bne	1001b
32	.endm
33
34	.macro	waituart,rd,rx
35	.endm
36
37#endif
38