xref: /openbmc/linux/arch/arm/include/debug/s3c24xx.S (revision 9b93eb47)
1/* arch/arm/mach-s3c2410/include/mach/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 *  Copyright (C) 1994-1999 Russell King
6 *  Copyright (C) 2005 Simtec Electronics
7 *
8 *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <linux/serial_s3c.h>
16
17#define S3C2410_UART1_OFF (0x4000)
18
19	.macro addruart, rp, rv, tmp
20		ldr	\rp, = CONFIG_DEBUG_UART_PHYS
21		ldr	\rv, = CONFIG_DEBUG_UART_VIRT
22	.endm
23
24	.macro  fifo_full_s3c2410 rd, rx
25		ldr	\rd, [\rx, # S3C2410_UFSTAT]
26		tst	\rd, #S3C2410_UFSTAT_TXFULL
27	.endm
28
29	.macro fifo_level_s3c2410 rd, rx
30		ldr	\rd, [\rx, # S3C2410_UFSTAT]
31		and	\rd, \rd, #S3C2410_UFSTAT_TXMASK
32	.endm
33
34/* Select the correct implementation depending on the configuration. The
35 * S3C2440 will get selected by default, as these are the most widely
36 * used variants of these
37*/
38
39#if defined(CONFIG_DEBUG_S3C2410_UART)
40#define fifo_full  fifo_full_s3c2410
41#define fifo_level fifo_level_s3c2410
42#endif
43
44/* include the reset of the code which will do the work */
45
46#include <debug/samsung.S>
47