patch-1.3.94 linux/include/asm-m68k/bootinfo.h

• Lines: 238
• Date: Tue Apr 9 00:13:55 1996
• Orig file: v1.3.93/linux/include/asm-m68k/bootinfo.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.93/linux/include/asm-m68k/bootinfo.h linux/include/asm-m68k/bootinfo.h
@@ -0,0 +1,237 @@
+/*
+** asm/bootinfo.h -- Definition of the Linux/68K 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 README.legal 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 dependant union bi_un; for now it
+**	 contains just a model field to distinguish between TT and Falcon.
+*/
+
+#ifndef BOOTINFO_H
+#define BOOTINFO_H
+
+#ifndef __ASSEMBLY__
+
+#include <asm/zorro.h>
+
+/*
+ * Amiga specific part of bootinfo structure.
+ */
+
+#define NUM_AUTO    16
+
+#define AMIGAHW_DECLARE(name)	unsigned name : 1
+#define AMIGAHW_SET(name)	(boot_info.bi_amiga.hw_present.name = 1)
+#define AMIGAHW_PRESENT(name)	(boot_info.bi_amiga.hw_present.name)
+
+struct bi_Amiga {
+  int model;				/* Amiga Model (3000?) */
+  int num_autocon;			/* # of autoconfig devices found */
+  struct ConfigDev autocon[NUM_AUTO];	/* up to 16 autoconfig devices */
+  unsigned long chip_size;		/* size of chip memory (bytes) */
+  unsigned char vblank; 		/* VBLANK frequency */
+  unsigned char psfreq; 		/* power supply frequency */
+  unsigned long eclock; 		/* EClock frequency */
+  unsigned long chipset;		/* native chipset present */
+  struct {
+    /* video hardware */
+    AMIGAHW_DECLARE(AMI_VIDEO);		/* Amiga Video */
+    AMIGAHW_DECLARE(AMI_BLITTER);	/* Amiga Blitter */
+    AMIGAHW_DECLARE(AMBER_FF);		/* Amber Flicker Fixer */
+    /* sound hardware */
+    AMIGAHW_DECLARE(AMI_AUDIO);		/* Amiga Audio */
+    /* disk storage interfaces */
+    AMIGAHW_DECLARE(AMI_FLOPPY);	/* Amiga Floppy */
+    AMIGAHW_DECLARE(A3000_SCSI);	/* SCSI (wd33c93, A3000 alike) */
+    AMIGAHW_DECLARE(A4000_SCSI);	/* SCSI (ncr53c710, A4000T alike) */
+    AMIGAHW_DECLARE(A1200_IDE);		/* IDE (A1200 alike) */
+    AMIGAHW_DECLARE(A4000_IDE);		/* IDE (A4000 alike) */
+    AMIGAHW_DECLARE(CD_ROM);		/* CD ROM drive */
+    /* other I/O hardware */
+    AMIGAHW_DECLARE(AMI_KEYBOARD);	/* Amiga Keyboard */
+    AMIGAHW_DECLARE(AMI_MOUSE);		/* Amiga Mouse */
+    AMIGAHW_DECLARE(AMI_SERIAL);	/* Amiga Serial */
+    AMIGAHW_DECLARE(AMI_PARALLEL);	/* Amiga Parallel */
+    /* real time clocks */
+    AMIGAHW_DECLARE(A2000_CLK);		/* Hardware Clock (A2000 alike) */
+    AMIGAHW_DECLARE(A3000_CLK);		/* Hardware Clock (A3000 alike) */
+    /* supporting hardware */
+    AMIGAHW_DECLARE(CHIP_RAM);		/* Chip RAM */
+    AMIGAHW_DECLARE(PAULA);		/* Paula (8364) */
+    AMIGAHW_DECLARE(DENISE);		/* Denise (8362) */
+    AMIGAHW_DECLARE(DENISE_HR);		/* Denise (8373) */
+    AMIGAHW_DECLARE(LISA);		/* Lisa (8375) */
+    AMIGAHW_DECLARE(AGNUS_PAL);		/* Normal/Fat PAL Agnus (8367/8371) */
+    AMIGAHW_DECLARE(AGNUS_NTSC);	/* Normal/Fat NTSC Agnus (8361/8370) */
+    AMIGAHW_DECLARE(AGNUS_HR_PAL);	/* Fat Hires PAL Agnus (8372) */
+    AMIGAHW_DECLARE(AGNUS_HR_NTSC);	/* Fat Hires NTSC Agnus (8372) */
+    AMIGAHW_DECLARE(ALICE_PAL);		/* PAL Alice (8374) */
+    AMIGAHW_DECLARE(ALICE_NTSC);	/* NTSC Alice (8374) */
+    AMIGAHW_DECLARE(MAGIC_REKICK);	/* A3000 Magic Hard Rekick */
+    AMIGAHW_DECLARE(ZORRO);		/* Zorro AutoConfig */
+  } hw_present;
+};
+
+
+/* Atari specific part of bootinfo */
+
+/*
+ * Define several Hardware-Chips for indication so that for the ATARI we do
+ * no longer decide whether it is a Falcon or other machine . It's just
+ * important what hardware the machine uses
+ */
+
+/* ++roman 08/08/95: rewritten from ORing constants to a C bitfield */
+
+#define ATARIHW_DECLARE(name)	unsigned name : 1
+#define ATARIHW_SET(name)	(boot_info.bi_atari.hw_present.name = 1)
+#define ATARIHW_PRESENT(name)	(boot_info.bi_atari.hw_present.name)
+
+struct bi_Atari {
+  struct {
+    /* video hardware */
+    ATARIHW_DECLARE(STND_SHIFTER);	/* ST-Shifter - no base low ! */
+    ATARIHW_DECLARE(EXTD_SHIFTER);	/* STe-Shifter - 24 bit adress */
+    ATARIHW_DECLARE(TT_SHIFTER);	/* TT-Shifter */
+    ATARIHW_DECLARE(VIDEL_SHIFTER);	/* Falcon-Shifter */
+    /* sound hardware */
+    ATARIHW_DECLARE(YM_2149);		/* Yamaha YM 2149 */
+    ATARIHW_DECLARE(PCM_8BIT);		/* PCM-Sound in STe-ATARI */
+    ATARIHW_DECLARE(CODEC);		/* CODEC Sound (Falcon) */
+    /* disk storage interfaces */
+    ATARIHW_DECLARE(TT_SCSI);		/* Directly mapped NCR5380 */
+    ATARIHW_DECLARE(ST_SCSI);		/* NCR5380 via ST-DMA (Falcon) */
+    ATARIHW_DECLARE(ACSI);		/* Standard ACSI like in STs */
+    ATARIHW_DECLARE(IDE);		/* IDE Interface */
+    ATARIHW_DECLARE(FDCSPEED);		/* 8/16 MHz switch for FDC */
+    /* other I/O hardware */
+    ATARIHW_DECLARE(ST_MFP);		/* The ST-MFP (there should
+					   be no Atari without
+					   it... but who knows?) */
+    ATARIHW_DECLARE(TT_MFP);		/* 2nd MFP */
+    ATARIHW_DECLARE(SCC);		/* Serial Communications Contr. */
+    ATARIHW_DECLARE(ST_ESCC);		/* SCC Z83230 in an ST */
+    ATARIHW_DECLARE(ANALOG_JOY);	/* Paddle Interface for STe
+					   and Falcon */
+    ATARIHW_DECLARE(MICROWIRE);		/* Microwire Interface */
+    /* DMA */
+    ATARIHW_DECLARE(STND_DMA);		/* 24 Bit limited ST-DMA */
+    ATARIHW_DECLARE(EXTD_DMA);		/* 32 Bit ST-DMA */
+    ATARIHW_DECLARE(SCSI_DMA);		/* DMA for the NCR5380 */
+    ATARIHW_DECLARE(SCC_DMA);		/* DMA for the SCC */
+    /* real time clocks */
+    ATARIHW_DECLARE(TT_CLK);		/* TT compatible clock chip */
+    ATARIHW_DECLARE(MSTE_CLK);		/* Mega ST(E) clock chip */
+    /* supporting hardware */
+    ATARIHW_DECLARE(SCU);		/* System Control Unit */
+    ATARIHW_DECLARE(BLITTER);		/* Blitter */
+    ATARIHW_DECLARE(VME);		/* VME Bus */
+  } hw_present;
+  unsigned long mch_cookie;		/* _MCH cookie from TOS */
+};
+
+/* 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
+
+/*
+ * CPU and FPU types
+ */
+#define CPU_68020    (1)
+#define CPU_68030    (2)
+#define CPU_68040    (4)
+#define CPU_68060    (8)
+#define CPU_MASK     (31)
+#define FPU_68881    (32)
+#define FPU_68882    (64)
+#define FPU_68040    (128)	/* Internal FPU */
+#define FPU_68060    (256)	/* Internal FPU */
+
+struct mem_info {
+  unsigned long addr;		/* physical address of memory chunk */
+  unsigned long size;		/* length of memory chunk (in bytes) */
+};
+
+#define NUM_MEMINFO  4
+
+#endif /* __ASSEMBLY__ */
+
+#define MACH_AMIGA   1
+#define MACH_ATARI   2
+#define MACH_MAC     3
+
+#ifndef __ASSEMBLY__
+
+#define MACH_IS_AMIGA	(boot_info.machtype == MACH_AMIGA)
+#define MACH_IS_ATARI	(boot_info.machtype == MACH_ATARI)
+
+#define CL_SIZE      (256)
+
+struct bootinfo {
+  unsigned long machtype;		/* machine type */
+  unsigned long cputype;		/* system CPU & FPU */
+  struct mem_info memory[NUM_MEMINFO];	/* memory description */
+  int num_memory;			/* # of memory blocks found */
+  unsigned long ramdisk_size;		/* ramdisk size in 1024 byte blocks */
+  unsigned long ramdisk_addr;		/* address of the ram disk in mem */
+  char command_line[CL_SIZE];		/* kernel command line parameters */
+  union {
+    struct bi_Amiga bi_ami; 	/* Amiga specific information */
+    struct bi_Atari bi_ata; 	/* Atari specific information */
+  } bi_un;
+};
+#define bi_amiga bi_un.bi_ami
+#define bi_atari bi_un.bi_ata
+#define bi_mac	 bi_un.bi_mac
+
+extern struct bootinfo
+    boot_info;
+
+#endif /* __ASSEMBLY__ */
+
+
+/*
+ * 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( 1, 0 )
+#define ATARI_BOOTI_VERSION    MK_BI_VERSION( 1, 0 )
+
+#endif /* BOOTINFO_H */