kernel-ark/arch/arm/mach-ux500/include/mach/debug-macro.S
Rabin Vincent 39a982b4cd ARM: 6079/1: ux500: allow choice of the DEBUG_LL UART
Allow the UART used for DEBUG_LL to be selected.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-05-04 17:50:01 +01:00

29 lines
747 B
ArmAsm

/*
* Debugging macro include header
*
* Copyright (C) 2009 ST-Ericsson
*
* 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.
*
*/
#include <mach/hardware.h>
#if CONFIG_UX500_DEBUG_UART > 2
#error Invalid Ux500 debug UART
#endif
#define __UX500_UART(n) UX500_UART##n##_BASE
#define UX500_UART(n) __UX500_UART(n)
#define UART_BASE UX500_UART(CONFIG_UX500_DEBUG_UART)
.macro addruart, rx, tmp
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
ldreq \rx, =UART_BASE @ no, physical address
ldrne \rx, =IO_ADDRESS(UART_BASE) @ yes, virtual address
.endm
#include <asm/hardware/debug-pl01x.S>