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Annotation of qemu/roms/openbios/arch/ppc/briq/init.c, revision 1.1.1.1

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

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