7c6337e225
Add base kernel support for the TI DaVinci platform. This patch only includes interrupts, timers, CPU identification, serial support and basic power and sleep controller init. More drivers to come. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
21 lines
615 B
ArmAsm
21 lines
615 B
ArmAsm
/*
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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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