40 строки
1.2 KiB
ArmAsm
40 строки
1.2 KiB
ArmAsm
|
/* arch/arm/mach-s3c6400/include/mach/debug-macro.S
|
||
|
*
|
||
|
* Copyright 2008 Openmoko, Inc.
|
||
|
* Copyright 2008 Simtec Electronics
|
||
|
* http://armlinux.simtec.co.uk/
|
||
|
* Ben Dooks <ben@simtec.co.uk>
|
||
|
*
|
||
|
* 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.
|
||
|
*/
|
||
|
|
||
|
/* pull in the relevant register and map files. */
|
||
|
|
||
|
#include <mach/map.h>
|
||
|
#include <plat/regs-serial.h>
|
||
|
|
||
|
/* note, for the boot process to work we have to keep the UART
|
||
|
* virtual address aligned to an 1MiB boundary for the L1
|
||
|
* mapping the head code makes. We keep the UART virtual address
|
||
|
* aligned and add in the offset when we load the value here.
|
||
|
*/
|
||
|
|
||
|
.macro addruart, rx
|
||
|
mrc p15, 0, \rx, c1, c0
|
||
|
tst \rx, #1
|
||
|
ldreq \rx, = S3C_PA_UART
|
||
|
ldrne \rx, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
|
||
|
#if CONFIG_DEBUG_S3C_UART != 0
|
||
|
add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
|
||
|
#endif
|
||
|
.endm
|
||
|
|
||
|
/* include the reset of the code which will do the work, we're only
|
||
|
* compiling for a single cpu processor type so the default of s3c2440
|
||
|
* will be fine with us.
|
||
|
*/
|
||
|
|
||
|
#include <plat/debug-macro.S>
|