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1.1 root 1: /*
2: * Creation Date: <2004/08/28 18:38:22 greg>
3: * Time-stamp: <2004/08/28 18:38:22 greg>
4: *
5: * <init.c>
6: *
7: * Initialization for pearpc
8: *
9: * Copyright (C) 2004 Greg Watson
10: * Copyright (C) 2005 Stefan Reinauer
11: *
12: * based on mol/init.c:
13: *
14: * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Samuel & David Rydh
15: * ([email protected], [email protected])
16: *
17: * This program is free software; you can redistribute it and/or
18: * modify it under the terms of the GNU General Public License
19: * as published by the Free Software Foundation
20: *
21: */
22:
23: #include "config.h"
24: #include "libopenbios/openbios.h"
25: #include "libopenbios/bindings.h"
26: #include "arch/common/nvram.h"
27: #include "pearpc/pearpc.h"
28: #include "libopenbios/ofmem.h"
29: #include "openbios-version.h"
30:
31: extern void unexpected_excep( int vector );
32: extern void ob_pci_init( void );
33: extern void ob_adb_init( void );
34: extern void setup_timers( void );
35:
36: #if 0
37: int
38: get_bool_res( const char *res )
39: {
40: char buf[8], *p;
41:
42: p = BootHGetStrRes( res, buf, sizeof(buf) );
43: if( !p )
44: return -1;
45: if( !strcasecmp(p,"true") || !strcasecmp(p,"yes") || !strcasecmp(p,"1") )
46: return 1;
47: return 0;
48: }
49: #endif
50:
51: void
52: unexpected_excep( int vector )
53: {
54: printk("openbios panic: Unexpected exception %x\n", vector );
55: for( ;; )
56: ;
57: }
58:
59: unsigned long isa_io_base;
60:
61: void
62: entry( void )
63: {
64: isa_io_base = 0x80000000;
65:
66: printk("\n");
67: printk("=============================================================\n");
68: printk(PROGRAM_NAME " " OPENBIOS_VERSION_STR " [%s]\n",
69: OPENBIOS_BUILD_DATE);
70:
71: ofmem_init();
72: initialize_forth();
73: /* won't return */
74:
75: printk("of_startup returned!\n");
76: for( ;; )
77: ;
78: }
79:
80: static void
81: setenv( char *env, char *value )
82: {
83: push_str( value );
84: push_str( env );
85: fword("$setenv");
86: }
87:
88: void
89: arch_of_init( void )
90: {
91: #if CONFIG_RTAS
92: phandle_t ph;
93: #endif
94: int autoboot;
95:
96: devtree_init();
97: nvram_init("/pci/mac-io/nvram");
98: openbios_init();
99: modules_init();
100: setup_timers();
101: #ifdef CONFIG_DRIVER_PCI
102: ob_pci_init();
103: #endif
104: node_methods_init();
105: init_video();
106:
107: #if CONFIG_RTAS
108: if( !(ph=find_dev("/rtas")) )
109: printk("Warning: No /rtas node\n");
110: else {
111: unsigned long size = 0x1000;
112: while( size < (unsigned long)of_rtas_end - (unsigned long)of_rtas_start )
113: size *= 2;
114: set_property( ph, "rtas-size", (char*)&size, sizeof(size) );
115: }
116: #endif
117:
118: #if 0
119: /* tweak boot settings */
120: autoboot = !!get_bool_res("autoboot");
121: #endif
122: autoboot = 0;
123: if( !autoboot )
124: printk("Autobooting disabled - dropping into OpenFirmware\n");
125: setenv("auto-boot?", autoboot ? "true" : "false" );
126: setenv("boot-command", "pearpcboot");
127:
128: #if 0
129: if( get_bool_res("tty-interface") == 1 )
130: #endif
131: fword("activate-tty-interface");
132:
133: /* hack */
134: device_end();
135: bind_func("pearpcboot", boot );
136: }
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