patch-2.1.17 linux/include/asm-m68k/atarihw.h

• Lines: 69
• Date: Fri Dec 20 11:20:02 1996
• Orig file: v2.1.16/linux/include/asm-m68k/atarihw.h
• Orig date: Wed Sep 25 10:47:41 1996

diff -u --recursive --new-file v2.1.16/linux/include/asm-m68k/atarihw.h linux/include/asm-m68k/atarihw.h
@@ -22,6 +22,68 @@
 
 #include <linux/types.h>
 
+extern u_long atari_mch_cookie;
+
+/* 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
+
+/*
+ * 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)	(atari_hw_present.name = 1)
+#define ATARIHW_PRESENT(name)	(atari_hw_present.name)
+
+struct atari_hw_present {
+    /* video hardware */
+    ATARIHW_DECLARE(STND_SHIFTER);	/* ST-Shifter - no base low ! */
+    ATARIHW_DECLARE(EXTD_SHIFTER);	/* STe-Shifter - 24 bit address */
+    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 */
+};
+
+extern struct atari_hw_present atari_hw_present;
+
+
 /* Reading the MFP port register gives a machine independent delay, since the
  * MFP always has a 8 MHz clock. This avoids problems with the varying length
  * of nops on various machines. Somebody claimed that the tstb takes 600 ns.