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https://gitlab.com/qemu-project/openbios.git
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bee6afbc60
Initialize device tree (used by PCI patch, to follow). Signed-off-by: Laurent Vivier <Laurent@lvivier.info> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://coreboot.org/openbios/openbios-devel@255 f158a5a8-5612-0410-a976-696ce0be7e32
147 lines
3.1 KiB
C
147 lines
3.1 KiB
C
/*
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* Creation Date: <2004/08/28 18:38:22 greg>
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* Time-stamp: <2004/08/28 18:38:22 greg>
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*
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* <init.c>
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*
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* Initialization for qemu
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*
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* Copyright (C) 2004 Greg Watson
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* Copyright (C) 2005 Stefan Reinauer
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*
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* based on mol/init.c:
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*
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* Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004 Samuel & David Rydh
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* (samuel@ibrium.se, dary@lindesign.se)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation
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*
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*/
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#include "openbios/config.h"
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#include "openbios/bindings.h"
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#include "openbios/pci.h"
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#include "openbios/nvram.h"
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#include "qemu/qemu.h"
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#include "ofmem.h"
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#include "openbios-version.h"
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extern void unexpected_excep( int vector );
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extern void ob_ide_init( void );
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extern void ob_pci_init( void );
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extern void ob_adb_init( void );
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extern void setup_timers( void );
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void
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unexpected_excep( int vector )
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{
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printk("openbios panic: Unexpected exception %x\n", vector );
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for( ;; )
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;
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}
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enum {
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ARCH_PREP = 0,
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ARCH_MAC99,
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ARCH_HEATHROW,
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};
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pci_arch_t known_arch[] = {
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[ARCH_PREP] = { "PREP", 0x1057, 0x4801, 0x80800000, 0x800c0000,
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0x80000000, 0x00100000, 0xf0000000, 0x10000000,
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0x80000000, 0x00010000, 0x00000000, 0x00400000,
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},
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[ARCH_MAC99] = { "MAC99", 0x106b, 0x001F, 0xf2800000, 0xf2c00000,
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0xf2000000, 0x02000000, 0x80000000, 0x10000000,
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0xf2000000, 0x00800000, 0x00000000, 0x01000000,
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},
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[ARCH_HEATHROW] = { "HEATHROW", 0x1057, 0x0002, 0xfec00000, 0xfee00000,
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0x80000000, 0x7f000000, 0x80000000, 0x01000000,
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0xfe000000, 0x00800000, 0xfd000000, 0x01000000,
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},
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};
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pci_arch_t *arch;
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uint32_t isa_io_base;
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void
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entry( void )
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{
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arch = &known_arch[ARCH_HEATHROW];
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isa_io_base = arch->io_base;
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printk("\n");
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printk("=============================================================\n");
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printk("OpenBIOS %s [%s]\n", OPENBIOS_RELEASE, OPENBIOS_BUILD_DATE );
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ofmem_init();
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initialize_forth();
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/* won't return */
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printk("of_startup returned!\n");
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for( ;; )
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;
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}
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static void
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setenv( char *env, char *value )
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{
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push_str( value );
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push_str( env );
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fword("$setenv");
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}
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void
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arch_of_init( void )
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{
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#if USE_RTAS
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phandle_t ph;
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#endif
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int autoboot;
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devtree_init();
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modules_init();
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setup_timers();
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#ifdef CONFIG_DRIVER_PCI
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ob_pci_init();
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#endif
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#ifdef CONFIG_DRIVER_IDE
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ob_ide_init();
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#endif
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#ifdef CONFIG_DRIVER_ADB
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ob_adb_init();
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#endif
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node_methods_init();
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init_video();
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#if USE_RTAS
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if( !(ph=find_dev("/rtas")) )
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printk("Warning: No /rtas node\n");
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else {
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ulong size = 0x1000;
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while( size < (ulong)of_rtas_end - (ulong)of_rtas_start )
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size *= 2;
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set_property( ph, "rtas-size", (char*)&size, sizeof(size) );
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}
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#endif
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#if 0
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/* tweak boot settings */
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autoboot = !!getbool("autoboot?");
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#endif
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autoboot = 0;
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if( !autoboot )
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printk("Autobooting disabled - dropping into OpenFirmware\n");
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setenv("auto-boot?", autoboot ? "true" : "false" );
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setenv("boot-command", "qemuboot");
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#if 0
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if( getbool("tty-interface?") == 1 )
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#endif
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fword("activate-tty-interface");
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/* hack */
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device_end();
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bind_func("qemuboot", boot );
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}
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