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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
*
* BRIEF MODULE DESCRIPTION
* Au1000-based board setup.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or support@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/console.h>
#include <linux/mc146818rtc.h>
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/au1000.h>
#if defined(CONFIG_AU1000_SERIAL_CONSOLE)
extern void console_setup(char *, int *);
char serial_console[20];
#endif
void (*__wbflush) (void);
extern struct rtc_ops no_rtc_ops;
extern char * __init prom_getcmdline(void);
extern void au1000_restart(void);
extern void au1000_halt(void);
extern void au1000_power_off(void);
struct {
struct resource ram;
struct resource io;
struct resource sram;
struct resource flash;
struct resource boot;
struct resource pcmcia;
struct resource lcd;
} au1000_resources = {
{ "RAM", 0, 0x3FFFFFF, IORESOURCE_MEM },
{ "I/O", 0x10000000, 0x119FFFFF },
{ "SRAM", 0x1e000000, 0x1E03FFFF },
{ "System Flash", 0x1F800000, 0x1FBFFFFF },
{ "Boot ROM", 0x1FC00000, 0x1FFFFFFF },
{ "PCMCIA", 0x20000000, 0x27FFFFFF },
{ "LCD", 0x60000000, 0x603FFFFF },
};
void au1000_wbflush(void)
{
__asm__ volatile ("sync");
}
void __init au1000_setup(void)
{
char *argptr;
argptr = prom_getcmdline();
#ifdef CONFIG_AU1000_SERIAL_CONSOLE
if ((argptr = strstr(argptr, "console=ttyS0")) == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,115200");
}
#endif
//set_cp0_status(ST0_FR,0);
rtc_ops = &no_rtc_ops;
__wbflush = au1000_wbflush;
_machine_restart = au1000_restart;
_machine_halt = au1000_halt;
_machine_power_off = au1000_power_off;
/*
* IO/MEM resources.
*/
mips_io_port_base = KSEG1;
ioport_resource.start = au1000_resources.io.start;
ioport_resource.end = au1000_resources.lcd.end;
#ifdef CONFIG_BLK_DEV_INITRD
ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
#endif
outl(PC_CNTRL_E0 | PC_CNTRL_EN0 | PC_CNTRL_EN0, PC_COUNTER_CNTRL);
while (inl(PC_COUNTER_CNTRL) & PC_CNTRL_T0S);
outl(0x8000-1, PC0_TRIM);
printk("Alchemy Semi PB1000 Board\n");
printk("Au1000/PB1000 port (C) 2001 MontaVista Software, Inc. (source@mvista.com)\n");
}
|
