acrn-kernel/include/asm-arm/arch-ixp2000/debug-macro.S

28 lines
725 B
ArmAsm

/* linux/include/asm-arm/arch-ixp2000/debug-macro.S
*
* Debugging macro include header
*
* Copyright (C) 1994-1999 Russell King
* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
*
* 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.
*
*/
.macro addruart,rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
moveq \rx, #0xc0000000 @ Physical base
movne \rx, #0xfe000000 @ virtual base
orrne \rx, \rx, #0x00f00000
orr \rx, \rx, #0x00030000
#ifdef __ARMEB__
orr \rx, \rx, #0x00000003
#endif
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>