/* ** asm/bootinfo.h -- Definition of the Linux/m68k boot information structure ** ** Copyright 1992 by Greg Harp ** ** This file is subject to the terms and conditions of the GNU General Public ** License. See the file COPYING in the main directory of this archive ** for more details. ** ** Created 09/29/92 by Greg Harp ** ** 5/2/94 Roman Hodek: ** Added bi_atari part of the machine dependent union bi_un; for now it ** contains just a model field to distinguish between TT and Falcon. ** 26/7/96 Roman Zippel: ** Renamed to setup.h; added some useful macros to allow gcc some ** optimizations if possible. ** 5/10/96 Geert Uytterhoeven: ** Redesign of the boot information structure; renamed to bootinfo.h again ** 27/11/96 Geert Uytterhoeven: ** Backwards compatibility with bootinfo interface version 1.0 */ #ifndef _M68K_BOOTINFO_H #define _M68K_BOOTINFO_H /* * Bootinfo definitions * * This is an easily parsable and extendable structure containing all * information to be passed from the bootstrap to the kernel. * * This way I hope to keep all future changes back/forewards compatible. * Thus, keep your fingers crossed... * * This structure is copied right after the kernel bss by the bootstrap * routine. */ #ifndef __ASSEMBLY__ struct bi_record { unsigned short tag; /* tag ID */ unsigned short size; /* size of record (in bytes) */ unsigned long data[0]; /* data */ }; #endif /* __ASSEMBLY__ */ /* * Tag Definitions * * Machine independent tags start counting from 0x0000 * Machine dependent tags start counting from 0x8000 */ #define BI_LAST 0x0000 /* last record (sentinel) */ #define BI_MACHTYPE 0x0001 /* machine type (u_long) */ #define BI_CPUTYPE 0x0002 /* cpu type (u_long) */ #define BI_FPUTYPE 0x0003 /* fpu type (u_long) */ #define BI_MMUTYPE 0x0004 /* mmu type (u_long) */ #define BI_MEMCHUNK 0x0005 /* memory chunk address and size */ /* (struct mem_info) */ #define BI_RAMDISK 0x0006 /* ramdisk address and size */ /* (struct mem_info) */ #define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */ /* (string) */ /* * Amiga-specific tags */ #define BI_AMIGA_MODEL 0x8000 /* model (u_long) */ #define BI_AMIGA_AUTOCON 0x8001 /* AutoConfig device */ /* (struct ConfigDev) */ #define BI_AMIGA_CHIP_SIZE 0x8002 /* size of Chip RAM (u_long) */ #define BI_AMIGA_VBLANK 0x8003 /* VBLANK frequency (u_char) */ #define BI_AMIGA_PSFREQ 0x8004 /* power supply frequency (u_char) */ #define BI_AMIGA_ECLOCK 0x8005 /* EClock frequency (u_long) */ #define BI_AMIGA_CHIPSET 0x8006 /* native chipset present (u_long) */ #define BI_AMIGA_SERPER 0x8007 /* serial port period (u_short) */ /* * Atari-specific tags */ #define BI_ATARI_MCH_COOKIE 0x8000 /* _MCH cookie from TOS (u_long) */ #define BI_ATARI_MCH_TYPE 0x8001 /* special machine type (u_long) */ /* (values are ATARI_MACH_* defines */ /* mch_cookie values (upper word) */ #define ATARI_MCH_ST 0 #define ATARI_MCH_STE 1 #define ATARI_MCH_TT 2 #define ATARI_MCH_FALCON 3 /* mch_type values */ #define ATARI_MACH_NORMAL 0 /* no special machine type */ #define ATARI_MACH_MEDUSA 1 /* Medusa 040 */ #define ATARI_MACH_HADES 2 /* Hades 040 or 060 */ #define ATARI_MACH_AB40 3 /* Afterburner040 on Falcon */ /* * VME-specific tags */ #define BI_VME_TYPE 0x8000 /* VME sub-architecture (u_long) */ #define BI_VME_BRDINFO 0x8001 /* VME board information (struct) */ /* BI_VME_TYPE codes */ #define VME_TYPE_TP34V 0x0034 /* Tadpole TP34V */ #define VME_TYPE_MVME147 0x0147 /* Motorola MVME147 */ #define VME_TYPE_MVME162 0x0162 /* Motorola MVME162 */ #define VME_TYPE_MVME166 0x0166 /* Motorola MVME166 */ #define VME_TYPE_MVME167 0x0167 /* Motorola MVME167 */ #define VME_TYPE_MVME172 0x0172 /* Motorola MVME172 */ #define VME_TYPE_MVME177 0x0177 /* Motorola MVME177 */ #define VME_TYPE_BVME4000 0x4000 /* BVM Ltd. BVME4000 */ #define VME_TYPE_BVME6000 0x6000 /* BVM Ltd. BVME6000 */ /* BI_VME_BRDINFO is a 32 byte struct as returned by the Bug code on * Motorola VME boards. Contains board number, Bug version, board * configuration options, etc. See include/asm/mvme16xhw.h for details. */ /* * Macintosh-specific tags (all u_long) */ #define BI_MAC_MODEL 0x8000 /* Mac Gestalt ID (model type) */ #define BI_MAC_VADDR 0x8001 /* Mac video base address */ #define BI_MAC_VDEPTH 0x8002 /* Mac video depth */ #define BI_MAC_VROW 0x8003 /* Mac video rowbytes */ #define BI_MAC_VDIM 0x8004 /* Mac video dimensions */ #define BI_MAC_VLOGICAL 0x8005 /* Mac video logical base */ #define BI_MAC_SCCBASE 0x8006 /* Mac SCC base address */ #define BI_MAC_BTIME 0x8007 /* Mac boot time */ #define BI_MAC_GMTBIAS 0x8008 /* Mac GMT timezone offset */ #define BI_MAC_MEMSIZE 0x8009 /* Mac RAM size (sanity check) */ #define BI_MAC_CPUID 0x800a /* Mac CPU type (sanity check) */ #define BI_MAC_ROMBASE 0x800b /* Mac system ROM base address */ /* * Macintosh hardware profile data - unused, see macintosh.h for * resonable type values */ #define BI_MAC_VIA1BASE 0x8010 /* Mac VIA1 base address (always present) */ #define BI_MAC_VIA2BASE 0x8011 /* Mac VIA2 base address (type varies) */ #define BI_MAC_VIA2TYPE 0x8012 /* Mac VIA2 type (VIA, RBV, OSS) */ #define BI_MAC_ADBTYPE 0x8013 /* Mac ADB interface type */ #define BI_MAC_ASCBASE 0x8014 /* Mac Apple Sound Chip base address */ #define BI_MAC_SCSI5380 0x8015 /* Mac NCR 5380 SCSI (base address, multi) */ #define BI_MAC_SCSIDMA 0x8016 /* Mac SCSI DMA (base address) */ #define BI_MAC_SCSI5396 0x8017 /* Mac NCR 53C96 SCSI (base address, multi) */ #define BI_MAC_IDETYPE 0x8018 /* Mac IDE interface type */ #define BI_MAC_IDEBASE 0x8019 /* Mac IDE interface base address */ #define BI_MAC_NUBUS 0x801a /* Mac Nubus type (none, regular, pseudo) */ #define BI_MAC_SLOTMASK 0x801b /* Mac Nubus slots present */ #define BI_MAC_SCCTYPE 0x801c /* Mac SCC serial type (normal, IOP) */ #define BI_MAC_ETHTYPE 0x801d /* Mac builtin ethernet type (Sonic, MACE */ #define BI_MAC_ETHBASE 0x801e /* Mac builtin ethernet base address */ #define BI_MAC_PMU 0x801f /* Mac power management / poweroff hardware */ #define BI_MAC_IOP_SWIM 0x8020 /* Mac SWIM floppy IOP */ #define BI_MAC_IOP_ADB 0x8021 /* Mac ADB IOP */ /* * Mac: compatibility with old booter data format (temporarily) * Fields unused with the new bootinfo can be deleted now; instead of * adding new fields the struct might be splitted into a hardware address * part and a hardware type part */ #ifndef __ASSEMBLY__ struct mac_booter_data { unsigned long videoaddr; unsigned long videorow; unsigned long videodepth; unsigned long dimensions; unsigned long args; unsigned long boottime; unsigned long gmtbias; unsigned long bootver; unsigned long videological; unsigned long sccbase; unsigned long id; unsigned long memsize; unsigned long serialmf; unsigned long serialhsk; unsigned long serialgpi; unsigned long printmf; unsigned long printhsk; unsigned long printgpi; unsigned long cpuid; unsigned long rombase; unsigned long adbdelay; unsigned long timedbra; }; extern struct mac_booter_data mac_bi_data; #endif /* * Apollo-specific tags */ #define BI_APOLLO_MODEL 0x8000 /* model (u_long) */ /* * HP300-specific tags */ #define BI_HP300_MODEL 0x8000 /* model (u_long) */ #define BI_HP300_UART_SCODE 0x8001 /* UART select code (u_long) */ #define BI_HP300_UART_ADDR 0x8002 /* phys. addr of UART (u_long) */ /* * Stuff for bootinfo interface versioning * * At the start of kernel code, a 'struct bootversion' is located. * bootstrap checks for a matching version of the interface before booting * a kernel, to avoid user confusion if kernel and bootstrap don't work * together :-) * * If incompatible changes are made to the bootinfo interface, the major * number below should be stepped (and the minor reset to 0) for the * appropriate machine. If a change is backward-compatible, the minor * should be stepped. "Backwards-compatible" means that booting will work, * but certain features may not. */ #define BOOTINFOV_MAGIC 0x4249561A /* 'BIV^Z' */ #define MK_BI_VERSION(major,minor) (((major)<<16)+(minor)) #define BI_VERSION_MAJOR(v) (((v) >> 16) & 0xffff) #define BI_VERSION_MINOR(v) ((v) & 0xffff) #ifndef __ASSEMBLY__ struct bootversion { unsigned short branch; unsigned long magic; struct { unsigned long machtype; unsigned long version; } machversions[0]; }; #endif /* __ASSEMBLY__ */ #define AMIGA_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #define ATARI_BOOTI_VERSION MK_BI_VERSION( 2, 1 ) #define MAC_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #define MVME147_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #define MVME16x_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #define BVME6000_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #define Q40_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #define HP300_BOOTI_VERSION MK_BI_VERSION( 2, 0 ) #ifdef BOOTINFO_COMPAT_1_0 /* * Backwards compatibility with bootinfo interface version 1.0 */ #define COMPAT_AMIGA_BOOTI_VERSION MK_BI_VERSION( 1, 0 ) #define COMPAT_ATARI_BOOTI_VERSION MK_BI_VERSION( 1, 0 ) #define COMPAT_MAC_BOOTI_VERSION MK_BI_VERSION( 1, 0 ) #include #define COMPAT_NUM_AUTO 16 struct compat_bi_Amiga { int model; int num_autocon; struct ConfigDev autocon[COMPAT_NUM_AUTO]; unsigned long chip_size; unsigned char vblank; unsigned char psfreq; unsigned long eclock; unsigned long chipset; unsigned long hw_present; }; struct compat_bi_Atari { unsigned long hw_present; unsigned long mch_cookie; }; #ifndef __ASSEMBLY__ struct compat_bi_Macintosh { unsigned long videoaddr; unsigned long videorow; unsigned long videodepth; unsigned long dimensions; unsigned long args; unsigned long boottime; unsigned long gmtbias; unsigned long bootver; unsigned long videological; unsigned long sccbase; unsigned long id; unsigned long memsize; unsigned long serialmf; unsigned long serialhsk; unsigned long serialgpi; unsigned long printmf; unsigned long printhsk; unsigned long printgpi; unsigned long cpuid; unsigned long rombase; unsigned long adbdelay; unsigned long timedbra; }; #endif struct compat_mem_info { unsigned long addr; unsigned long size; }; #define COMPAT_NUM_MEMINFO 4 #define COMPAT_CPUB_68020 0 #define COMPAT_CPUB_68030 1 #define COMPAT_CPUB_68040 2 #define COMPAT_CPUB_68060 3 #define COMPAT_FPUB_68881 5 #define COMPAT_FPUB_68882 6 #define COMPAT_FPUB_68040 7 #define COMPAT_FPUB_68060 8 #define COMPAT_CPU_68020 (1<