mirror of https://gitee.com/openkylin/linux.git
22 lines
615 B
ArmAsm
22 lines
615 B
ArmAsm
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/*
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* Debugging macro for DaVinci
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*
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* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
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*
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* 2007 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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.macro addruart, rx
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mrc p15, 0, \rx, c1, c0
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tst \rx, #1 @ MMU enabled?
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moveq \rx, #0x01000000 @ physical base address
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movne \rx, #0xfe000000 @ virtual base
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orr \rx, \rx, #0x00c20000 @ UART 0
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.endm
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#define UART_SHIFT 2
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#include <asm/hardware/debug-8250.S>
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