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1f21d2bd BM |
1 | /* |
2 | * Carsten Langgaard, carstenl@mips.com | |
3 | * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved. | |
4 | * | |
5 | * Thomas Horsten <thh@lasat.com> | |
6 | * Copyright (C) 2000 LASAT Networks A/S. | |
7 | * | |
8 | * Brian Murphy <brian@murphy.dk> | |
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 | ||
49 | int lasat_command_line; | |
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 | ||
57 | struct lasat_misc lasat_misc_info[N_MACHTYPES] = { | |
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 | ||
67 | struct lasat_misc *lasat_misc; | |
68 | ||
69 | #ifdef CONFIG_DS1603 | |
70 | static struct ds_defs ds_defs[N_MACHTYPES] = { | |
71 | { (void *)DS1603_REG_100, (void *)DS1603_REG_100, | |
72 | DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100, | |
73 | DS1603_DATA_SHIFT_100, 0, 0 }, | |
74 | { (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200, | |
75 | DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200, | |
76 | DS1603_DATA_READ_SHIFT_200, 1, 2000 } | |
77 | }; | |
78 | #endif | |
79 | ||
80 | #ifdef CONFIG_PICVUE | |
81 | #include "picvue.h" | |
82 | static struct pvc_defs pvc_defs[N_MACHTYPES] = { | |
83 | { (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100, | |
84 | PVC_E_100, PVC_RW_100, PVC_RS_100 }, | |
85 | { (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200, | |
86 | PVC_E_200, PVC_RW_200, PVC_RS_200 } | |
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 | ||
ba5eac51 | 120 | void __init plat_time_init(void) |
1f21d2bd BM |
121 | { |
122 | mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2; | |
1f21d2bd | 123 | |
ba5eac51 | 124 | change_c0_status(ST0_IM, IE_IRQ0); |
1f21d2bd BM |
125 | } |
126 | ||
127 | void __init plat_mem_setup(void) | |
128 | { | |
129 | int i; | |
b27418aa TB |
130 | int lasat_type = IS_LASAT_200() ? 1 : 0; |
131 | ||
132 | lasat_misc = &lasat_misc_info[lasat_type]; | |
1f21d2bd | 133 | #ifdef CONFIG_PICVUE |
b27418aa | 134 | picvue = &pvc_defs[lasat_type]; |
1f21d2bd BM |
135 | #endif |
136 | ||
137 | /* Set up panic notifier */ | |
138 | for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++) | |
139 | atomic_notifier_chain_register(&panic_notifier_list, | |
140 | &lasat_panic_block[i]); | |
141 | ||
142 | lasat_reboot_setup(); | |
143 | ||
1f21d2bd | 144 | #ifdef CONFIG_DS1603 |
b27418aa | 145 | ds1603 = &ds_defs[lasat_type]; |
1f21d2bd BM |
146 | #endif |
147 | ||
148 | #ifdef DYNAMIC_SERIAL_INIT | |
149 | serial_init(); | |
150 | #endif | |
151 | ||
152 | pr_info("Lasat specific initialization complete\n"); | |
153 | } |