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authormerge <null@invalid>2009-02-06 00:22:54 +0000
committerAndy Green <agreen@octopus.localdomain>2009-02-06 00:22:54 +0000
commitd1dcdf5718977c93805f9300b6c79f039db84c8b (patch)
tree58a161db6cf8953e33c1c9294a9c720a1aa0ad76 /arch/m68k/include/asm/atafdreg.h
parent9029dff1f370018665a6e2999632a34fd0518f4d (diff)
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414-1233879505 / 1c405b6ccee468298e7ccbfd9a3a3f4d123207b0 ... parent commitmessage: From: merge <null@invalid> MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 stable-tracking-hist top was MERGE-via-mokopatches-tracking-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011-1233879414 / 71be0a45396066b1f8f27f8f4f87937247a129e1 ... parent commitmessage: From: merge <null@invalid> MERGE-via-mokopatches-tracking-hist-MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 mokopatches-tracking-hist top was MERGE-via-master-MERGE-via-master-hist-1232625318-1233879011 / 1be1b01373f572a02c6f1f99863c8c11ed2f9f5b ... parent commitmessage: From: merge <null@invalid> MERGE-via-master-MERGE-via-master-hist-1232625318 master top was MERGE-via-master-hist-1232625318 / dd4b117123ae66451695810017eb72fbdfc05df5 ... parent commitmessage: From: merge <null@invalid> MERGE-master-patchset-edits
Diffstat (limited to 'arch/m68k/include/asm/atafdreg.h')
-rw-r--r--arch/m68k/include/asm/atafdreg.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/atafdreg.h b/arch/m68k/include/asm/atafdreg.h
new file mode 100644
index 00000000000..bbf80949fd9
--- /dev/null
+++ b/arch/m68k/include/asm/atafdreg.h
@@ -0,0 +1,79 @@
+#ifndef _LINUX_FDREG_H
+#define _LINUX_FDREG_H
+
+/*
+** WD1772 stuff
+ */
+
+/* register codes */
+
+#define FDCSELREG_STP (0x80) /* command/status register */
+#define FDCSELREG_TRA (0x82) /* track register */
+#define FDCSELREG_SEC (0x84) /* sector register */
+#define FDCSELREG_DTA (0x86) /* data register */
+
+/* register names for FDC_READ/WRITE macros */
+
+#define FDCREG_CMD 0
+#define FDCREG_STATUS 0
+#define FDCREG_TRACK 2
+#define FDCREG_SECTOR 4
+#define FDCREG_DATA 6
+
+/* command opcodes */
+
+#define FDCCMD_RESTORE (0x00) /* - */
+#define FDCCMD_SEEK (0x10) /* | */
+#define FDCCMD_STEP (0x20) /* | TYP 1 Commands */
+#define FDCCMD_STIN (0x40) /* | */
+#define FDCCMD_STOT (0x60) /* - */
+#define FDCCMD_RDSEC (0x80) /* - TYP 2 Commands */
+#define FDCCMD_WRSEC (0xa0) /* - " */
+#define FDCCMD_RDADR (0xc0) /* - */
+#define FDCCMD_RDTRA (0xe0) /* | TYP 3 Commands */
+#define FDCCMD_WRTRA (0xf0) /* - */
+#define FDCCMD_FORCI (0xd0) /* - TYP 4 Command */
+
+/* command modifier bits */
+
+#define FDCCMDADD_SR6 (0x00) /* step rate settings */
+#define FDCCMDADD_SR12 (0x01)
+#define FDCCMDADD_SR2 (0x02)
+#define FDCCMDADD_SR3 (0x03)
+#define FDCCMDADD_V (0x04) /* verify */
+#define FDCCMDADD_H (0x08) /* wait for spin-up */
+#define FDCCMDADD_U (0x10) /* update track register */
+#define FDCCMDADD_M (0x10) /* multiple sector access */
+#define FDCCMDADD_E (0x04) /* head settling flag */
+#define FDCCMDADD_P (0x02) /* precompensation off */
+#define FDCCMDADD_A0 (0x01) /* DAM flag */
+
+/* status register bits */
+
+#define FDCSTAT_MOTORON (0x80) /* motor on */
+#define FDCSTAT_WPROT (0x40) /* write protected (FDCCMD_WR*) */
+#define FDCSTAT_SPINUP (0x20) /* motor speed stable (Type I) */
+#define FDCSTAT_DELDAM (0x20) /* sector has deleted DAM (Type II+III) */
+#define FDCSTAT_RECNF (0x10) /* record not found */
+#define FDCSTAT_CRC (0x08) /* CRC error */
+#define FDCSTAT_TR00 (0x04) /* Track 00 flag (Type I) */
+#define FDCSTAT_LOST (0x04) /* Lost Data (Type II+III) */
+#define FDCSTAT_IDX (0x02) /* Index status (Type I) */
+#define FDCSTAT_DRQ (0x02) /* DRQ status (Type II+III) */
+#define FDCSTAT_BUSY (0x01) /* FDC is busy */
+
+
+/* PSG Port A Bit Nr 0 .. Side Sel .. 0 -> Side 1 1 -> Side 2 */
+#define DSKSIDE (0x01)
+
+#define DSKDRVNONE (0x06)
+#define DSKDRV0 (0x02)
+#define DSKDRV1 (0x04)
+
+/* step rates */
+#define FDCSTEP_6 0x00
+#define FDCSTEP_12 0x01
+#define FDCSTEP_2 0x02
+#define FDCSTEP_3 0x03
+
+#endif