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-rw-r--r--arch/arm/mach-s3c64xx/include/mach/debug-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S
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1/* arch/arm/mach-s3c6400/include/mach/debug-macro.S
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * http://armlinux.simtec.co.uk/
6 * Ben Dooks <ben@simtec.co.uk>
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/* pull in the relevant register and map files. */
14
15#include <mach/map.h>
16#include <plat/regs-serial.h>
17
18 /* note, for the boot process to work we have to keep the UART
19 * virtual address aligned to an 1MiB boundary for the L1
20 * mapping the head code makes. We keep the UART virtual address
21 * aligned and add in the offset when we load the value here.
22 */
23
24 .macro addruart, rx
25 mrc p15, 0, \rx, c1, c0
26 tst \rx, #1
27 ldreq \rx, = S3C_PA_UART
28 ldrne \rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
29#if CONFIG_DEBUG_S3C_UART != 0
30 add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
31#endif
32 .endm
33
34/* include the reset of the code which will do the work, we're only
35 * compiling for a single cpu processor type so the default of s3c2440
36 * will be fine with us.
37 */
38
39#include <plat/debug-macro.S>