Linux Kernel  3.7.1
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setup.c
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1 /*
2  * Carsten Langgaard, [email protected]
3  * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
4  *
5  * Thomas Horsten <[email protected]>
6  * Copyright (C) 2000 LASAT Networks A/S.
7  *
8  * Brian Murphy <[email protected]>
9  *
10  * This program is free software; you can distribute it and/or modify it
11  * under the terms of the GNU General Public License (Version 2) as
12  * published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope it will be useful, but WITHOUT
15  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17  * for more details.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
22  *
23  * Lasat specific setup.
24  */
25 #include <linux/init.h>
26 #include <linux/sched.h>
27 #include <linux/pci.h>
28 #include <linux/interrupt.h>
29 #include <linux/tty.h>
30 
31 #include <asm/time.h>
32 #include <asm/cpu.h>
33 #include <asm/bootinfo.h>
34 #include <asm/irq.h>
35 #include <asm/lasat/lasat.h>
36 #include <asm/lasat/serial.h>
37 
38 #ifdef CONFIG_PICVUE
39 #include <linux/notifier.h>
40 #endif
41 
42 #include "ds1603.h"
43 #include <asm/lasat/ds1603.h>
44 #include <asm/lasat/picvue.h>
45 #include <asm/lasat/eeprom.h>
46 
47 #include "prom.h"
48 
50 void lasatint_init(void);
51 
52 extern void lasat_reboot_setup(void);
53 extern void pcisetup(void);
54 extern void edhac_init(void *, void *, void *);
55 extern void addrflt_init(void);
56 
58  {
59  .reset_reg = (void *)KSEG1ADDR(0x1c840000),
60  .flash_wp_reg = (void *)KSEG1ADDR(0x1c800000), 2
61  }, {
62  .reset_reg = (void *)KSEG1ADDR(0x11080000),
63  .flash_wp_reg = (void *)KSEG1ADDR(0x11000000), 6
64  }
65 };
66 
68 
69 #ifdef CONFIG_DS1603
70 static struct ds_defs ds_defs[N_MACHTYPES] = {
71  { (void *)DS1603_REG_100, (void *)DS1603_REG_100,
73  DS1603_DATA_SHIFT_100, 0, 0 },
74  { (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
77 };
78 #endif
79 
80 #ifdef CONFIG_PICVUE
81 #include "picvue.h"
82 static struct pvc_defs pvc_defs[N_MACHTYPES] = {
87 };
88 #endif
89 
90 static int lasat_panic_display(struct notifier_block *this,
91  unsigned long event, void *ptr)
92 {
93 #ifdef CONFIG_PICVUE
94  unsigned char *string = ptr;
95  if (string == NULL)
96  string = "Kernel Panic";
97  pvc_dump_string(string);
98 #endif
99  return NOTIFY_DONE;
100 }
101 
102 static int lasat_panic_prom_monitor(struct notifier_block *this,
103  unsigned long event, void *ptr)
104 {
105  prom_monitor();
106  return NOTIFY_DONE;
107 }
108 
109 static struct notifier_block lasat_panic_block[] =
110 {
111  {
112  .notifier_call = lasat_panic_display,
113  .priority = INT_MAX
114  }, {
115  .notifier_call = lasat_panic_prom_monitor,
116  .priority = INT_MIN
117  }
118 };
119 
121 {
122  mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
123 
124  change_c0_status(ST0_IM, IE_IRQ0);
125 }
126 
128 {
129  int i;
130  int lasat_type = IS_LASAT_200() ? 1 : 0;
131 
132  lasat_misc = &lasat_misc_info[lasat_type];
133 #ifdef CONFIG_PICVUE
134  picvue = &pvc_defs[lasat_type];
135 #endif
136 
137  /* Set up panic notifier */
138  for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
140  &lasat_panic_block[i]);
141 
143 
144 #ifdef CONFIG_DS1603
145  ds1603 = &ds_defs[lasat_type];
146 #endif
147 
148 #ifdef DYNAMIC_SERIAL_INIT
149  serial_init();
150 #endif
151 
152  pr_info("Lasat specific initialization complete\n");
153 }