1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* arch/arm/mach-tegra/include/mach/debug-macro.S
*
* Copyright (C) 2010 Google, Inc.
*
* Author:
* Colin Cross <ccross@google.com>
* Erik Gilling <konkers@google.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <mach/io.h>
.macro addruart,rx, tmp
mrc p15, 0, \rx, c1, c0
tst \rx, #1 @ MMU enabled?
ldreq \rx, =IO_APB_PHYS @ physical
ldrne \rx, =IO_APB_VIRT @ virtual
#if defined(CONFIG_TEGRA_DEBUG_UART_NONE)
#error "A debug UART must be selected in the kernel config to use DEBUG_LL"
#elif defined(CONFIG_TEGRA_DEBUG_UARTA)
orr \rx, \rx, #0x6000
#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
ldr \tmp, =0x6040
orr \rx, \rx, \tmp
#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
orr \rx, \rx, #0x6200
#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
orr \rx, \rx, #0x6300
#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
orr \rx, \rx, #0x6400
#endif
.endm
#define UART_SHIFT 2
#include <asm/hardware/debug-8250.S>
|
