mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 17:16:45 +07:00
83ef3338a2
This patch introduces support for the tcc platform by creating an arch/arm/plat-tcc and arch/arm/mach-tcc8k directories and adding basic include files plus Kconfig and Makefile. Signed-off-by: "Hans J. Koch" <hjk@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
34 lines
732 B
ArmAsm
34 lines
732 B
ArmAsm
/*
|
|
* Copyright (C) 1994-1999 Russell King
|
|
* Copyright (C) 2008-2009 Telechips
|
|
* Copyright (C) 2009 Hans J. Koch <hjk@linutronix.de>
|
|
*
|
|
* 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,tmp
|
|
mrc p15, 0, \rx, c1, c0
|
|
tst \rx, #1 @ MMU enabled?
|
|
moveq \rx, #0x90000000 @ physical base address
|
|
movne \rx, #0xF1000000 @ virtual base
|
|
orr \rx, \rx, #0x00007000 @ UART0
|
|
.endm
|
|
|
|
.macro senduart,rd,rx
|
|
strb \rd, [\rx, #0x44]
|
|
.endm
|
|
|
|
.macro waituart,rd,rx
|
|
.endm
|
|
|
|
.macro busyuart,rd,rx
|
|
1001:
|
|
ldr \rd, [\rx, #0x14]
|
|
tst \rd, #0x20
|
|
|
|
beq 1001b
|
|
.endm
|