1 files changed, 144 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/mcfdma.h b/arch/m68k/include/asm/mcfdma.h
new file mode 100644
index 000000000000..705c52c79cd8
--- /dev/null
+++ b/arch/m68k/include/asm/mcfdma.h
@@ -0,0 +1,144 @@
+/****************************************************************************/
+/*
+ *      mcfdma.h -- Coldfire internal DMA support defines.
+ *
+ *      (C) Copyright 1999, Rob Scott (rscott@mtrob.ml.org)
+ */
+/****************************************************************************/
+#ifndef mcfdma_h
+#define mcfdma_h
+/****************************************************************************/
+/*
+ *      Get address specific defines for this Coldfire member.
+ */
+#if defined(CONFIG_M5206) || defined(CONFIG_M5206e)
+#define MCFDMA_BASE0            0x200           /* Base address of DMA 0 */
+#define MCFDMA_BASE1            0x240           /* Base address of DMA 1 */
+#elif defined(CONFIG_M5272)
+#define MCFDMA_BASE0            0x0e0           /* Base address of DMA 0 */
+#elif defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x)
+/* These are relative to the IPSBAR, not MBAR */
+#define MCFDMA_BASE0            0x100           /* Base address of DMA 0 */
+#define MCFDMA_BASE1            0x140           /* Base address of DMA 1 */
+#define MCFDMA_BASE2            0x180           /* Base address of DMA 2 */
+#define MCFDMA_BASE3            0x1C0           /* Base address of DMA 3 */
+#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
+#define MCFDMA_BASE0            0x300           /* Base address of DMA 0 */
+#define MCFDMA_BASE1            0x340           /* Base address of DMA 1 */
+#define MCFDMA_BASE2            0x380           /* Base address of DMA 2 */
+#define MCFDMA_BASE3            0x3C0           /* Base address of DMA 3 */
+#endif
+#if !defined(CONFIG_M5272)
+/*
+ *      Define the DMA register set addresses.
+ *      Note: these are longword registers, use unsigned long as data type
+ */
+#define MCFDMA_SAR              0x00            /* DMA source address (r/w) */
+#define MCFDMA_DAR              0x01            /* DMA destination adr (r/w) */
+/* these are word registers, use unsigned short data type */
+#define MCFDMA_DCR              0x04            /* DMA control reg (r/w) */
+#define MCFDMA_BCR              0x06            /* DMA byte count reg (r/w) */
+/* these are byte registers, use unsiged char data type */
+#define MCFDMA_DSR              0x10            /* DMA status reg (r/w) */
+#define MCFDMA_DIVR             0x14            /* DMA interrupt vec (r/w) */
+/*
+ *      Bit definitions for the DMA Control Register (DCR).
+ */
+#define MCFDMA_DCR_INT          0x8000          /* Enable completion irq */
+#define MCFDMA_DCR_EEXT         0x4000          /* Enable external DMA req */
+#define MCFDMA_DCR_CS           0x2000          /* Enable cycle steal */
+#define MCFDMA_DCR_AA           0x1000          /* Enable auto alignment */
+#define MCFDMA_DCR_BWC_MASK     0x0E00          /* Bandwidth ctl mask */
+#define MCFDMA_DCR_BWC_512      0x0200          /* Bandwidth:   512 Bytes */
+#define MCFDMA_DCR_BWC_1024     0x0400          /* Bandwidth:  1024 Bytes */
+#define MCFDMA_DCR_BWC_2048     0x0600          /* Bandwidth:  2048 Bytes */
+#define MCFDMA_DCR_BWC_4096     0x0800          /* Bandwidth:  4096 Bytes */
+#define MCFDMA_DCR_BWC_8192     0x0a00          /* Bandwidth:  8192 Bytes */
+#define MCFDMA_DCR_BWC_16384    0x0c00          /* Bandwidth: 16384 Bytes */
+#define MCFDMA_DCR_BWC_32768    0x0e00          /* Bandwidth: 32768 Bytes */
+#define MCFDMA_DCR_SAA          0x0100          /* Single Address Access */
+#define MCFDMA_DCR_S_RW         0x0080          /* SAA read/write value */
+#define MCFDMA_DCR_SINC         0x0040          /* Source addr inc enable */
+#define MCFDMA_DCR_SSIZE_MASK   0x0030          /* Src xfer size */
+#define MCFDMA_DCR_SSIZE_LONG   0x0000          /* Src xfer size, 00 = longw */
+#define MCFDMA_DCR_SSIZE_BYTE   0x0010          /* Src xfer size, 01 = byte */
+#define MCFDMA_DCR_SSIZE_WORD   0x0020          /* Src xfer size, 10 = word */
+#define MCFDMA_DCR_SSIZE_LINE   0x0030          /* Src xfer size, 11 = line */
+#define MCFDMA_DCR_DINC         0x0008          /* Dest addr inc enable */
+#define MCFDMA_DCR_DSIZE_MASK   0x0006          /* Dest xfer size */
+#define MCFDMA_DCR_DSIZE_LONG   0x0000          /* Dest xfer size, 00 = long */
+#define MCFDMA_DCR_DSIZE_BYTE   0x0002          /* Dest xfer size, 01 = byte */
+#define MCFDMA_DCR_DSIZE_WORD   0x0004          /* Dest xfer size, 10 = word */
+#define MCFDMA_DCR_DSIZE_LINE   0x0006          /* Dest xfer size, 11 = line */
+#define MCFDMA_DCR_START        0x0001          /* Start transfer */
+/*
+ *      Bit definitions for the DMA Status Register (DSR).
+ */
+#define MCFDMA_DSR_CE           0x40            /* Config error */
+#define MCFDMA_DSR_BES          0x20            /* Bus Error on source */
+#define MCFDMA_DSR_BED          0x10            /* Bus Error on dest */
+#define MCFDMA_DSR_REQ          0x04            /* Requests remaining */
+#define MCFDMA_DSR_BSY          0x02            /* Busy */
+#define MCFDMA_DSR_DONE         0x01            /* DMA transfer complete */
+#else /* This is an MCF5272 */
+#define MCFDMA_DMR        0x00    /* Mode Register (r/w) */
+#define MCFDMA_DIR        0x03    /* Interrupt trigger register (r/w) */
+#define MCFDMA_DSAR       0x03    /* Source Address register (r/w) */
+#define MCFDMA_DDAR       0x04    /* Destination Address register (r/w) */
+#define MCFDMA_DBCR       0x02    /* Byte Count Register (r/w) */
+/* Bit definitions for the DMA Mode Register (DMR) */
+#define MCFDMA_DMR_RESET     0x80000000L /* Reset bit */
+#define MCFDMA_DMR_EN        0x40000000L /* DMA enable */
+#define MCFDMA_DMR_RQM       0x000C0000L /* Request Mode Mask */
+#define MCFDMA_DMR_RQM_DUAL  0x000C0000L /* Dual address mode, the only valid mode */
+#define MCFDMA_DMR_DSTM      0x00002000L /* Destination addressing mask */
+#define MCFDMA_DMR_DSTM_SA   0x00000000L /* Destination uses static addressing */
+#define MCFDMA_DMR_DSTM_IA   0x00002000L /* Destination uses incremental addressing */
+#define MCFDMA_DMR_DSTT_UD   0x00000400L /* Destination is user data */
+#define MCFDMA_DMR_DSTT_UC   0x00000800L /* Destination is user code */
+#define MCFDMA_DMR_DSTT_SD   0x00001400L /* Destination is supervisor data */
+#define MCFDMA_DMR_DSTT_SC   0x00001800L /* Destination is supervisor code */
+#define MCFDMA_DMR_DSTS_OFF  0x8         /* offset to the destination size bits */
+#define MCFDMA_DMR_DSTS_LONG 0x00000000L /* Long destination size */
+#define MCFDMA_DMR_DSTS_BYTE 0x00000100L /* Byte destination size */
+#define MCFDMA_DMR_DSTS_WORD 0x00000200L /* Word destination size */
+#define MCFDMA_DMR_DSTS_LINE 0x00000300L /* Line destination size */
+#define MCFDMA_DMR_SRCM      0x00000020L /* Source addressing mask */
+#define MCFDMA_DMR_SRCM_SA   0x00000000L /* Source uses static addressing */
+#define MCFDMA_DMR_SRCM_IA   0x00000020L /* Source uses incremental addressing */
+#define MCFDMA_DMR_SRCT_UD   0x00000004L /* Source is user data */
+#define MCFDMA_DMR_SRCT_UC   0x00000008L /* Source is user code */
+#define MCFDMA_DMR_SRCT_SD   0x00000014L /* Source is supervisor data */
+#define MCFDMA_DMR_SRCT_SC   0x00000018L /* Source is supervisor code */
+#define MCFDMA_DMR_SRCS_OFF  0x0         /* Offset to the source size bits */
+#define MCFDMA_DMR_SRCS_LONG 0x00000000L /* Long source size */
+#define MCFDMA_DMR_SRCS_BYTE 0x00000001L /* Byte source size */
+#define MCFDMA_DMR_SRCS_WORD 0x00000002L /* Word source size */
+#define MCFDMA_DMR_SRCS_LINE 0x00000003L /* Line source size */
+/* Bit definitions for the DMA interrupt register (DIR) */
+#define MCFDMA_DIR_INVEN     0x1000 /* Invalid Combination interrupt enable */
+#define MCFDMA_DIR_ASCEN     0x0800 /* Address Sequence Complete (Completion) interrupt enable */
+#define MCFDMA_DIR_TEEN      0x0200 /* Transfer Error interrupt enable */
+#define MCFDMA_DIR_TCEN      0x0100 /* Transfer Complete (a bus transfer, that is) interrupt enable */
+#define MCFDMA_DIR_INV       0x0010 /* Invalid Combination */
+#define MCFDMA_DIR_ASC       0x0008 /* Address Sequence Complete (DMA Completion) */
+#define MCFDMA_DIR_TE        0x0002 /* Transfer Error */
+#define MCFDMA_DIR_TC        0x0001 /* Transfer Complete */
+#endif /* !defined(CONFIG_M5272) */ 
+/****************************************************************************/
+#endif  /* mcfdma_h */

diff --git a/arch/m68k/include/asm/mcfdma.h b/arch/m68k/include/asm/mcfdma.h new file mode 100644 index 000000000000..705c52c79cd8 --- /dev/null +++ b/arch/m68k/include/asm/mcfdma.h
@@ -0,0 +1,144 @@
	1	/****************************************************************************/
	2
	3	/*
	4	* mcfdma.h -- Coldfire internal DMA support defines.
	5	*
	6	* (C) Copyright 1999, Rob Scott (rscott@mtrob.ml.org)
	7	*/
	8
	9	/****************************************************************************/
	10	#ifndef mcfdma_h
	11	#define mcfdma_h
	12	/****************************************************************************/
	13
	14
	15	/*
	16	* Get address specific defines for this Coldfire member.
	17	*/
	18	#if defined(CONFIG_M5206) \|\| defined(CONFIG_M5206e)
	19	#define MCFDMA_BASE0 0x200 /* Base address of DMA 0 */
	20	#define MCFDMA_BASE1 0x240 /* Base address of DMA 1 */
	21	#elif defined(CONFIG_M5272)
	22	#define MCFDMA_BASE0 0x0e0 /* Base address of DMA 0 */
	23	#elif defined(CONFIG_M523x) \|\| defined(CONFIG_M527x) \|\| defined(CONFIG_M528x)
	24	/* These are relative to the IPSBAR, not MBAR */
	25	#define MCFDMA_BASE0 0x100 /* Base address of DMA 0 */
	26	#define MCFDMA_BASE1 0x140 /* Base address of DMA 1 */
	27	#define MCFDMA_BASE2 0x180 /* Base address of DMA 2 */
	28	#define MCFDMA_BASE3 0x1C0 /* Base address of DMA 3 */
	29	#elif defined(CONFIG_M5249) \|\| defined(CONFIG_M5307) \|\| defined(CONFIG_M5407)
	30	#define MCFDMA_BASE0 0x300 /* Base address of DMA 0 */
	31	#define MCFDMA_BASE1 0x340 /* Base address of DMA 1 */
	32	#define MCFDMA_BASE2 0x380 /* Base address of DMA 2 */
	33	#define MCFDMA_BASE3 0x3C0 /* Base address of DMA 3 */
	34	#endif
	35
	36
	37	#if !defined(CONFIG_M5272)
	38
	39	/*
	40	* Define the DMA register set addresses.
	41	* Note: these are longword registers, use unsigned long as data type
	42	*/
	43	#define MCFDMA_SAR 0x00 /* DMA source address (r/w) */
	44	#define MCFDMA_DAR 0x01 /* DMA destination adr (r/w) */
	45	/* these are word registers, use unsigned short data type */
	46	#define MCFDMA_DCR 0x04 /* DMA control reg (r/w) */
	47	#define MCFDMA_BCR 0x06 /* DMA byte count reg (r/w) */
	48	/* these are byte registers, use unsiged char data type */
	49	#define MCFDMA_DSR 0x10 /* DMA status reg (r/w) */
	50	#define MCFDMA_DIVR 0x14 /* DMA interrupt vec (r/w) */
	51
	52	/*
	53	* Bit definitions for the DMA Control Register (DCR).
	54	*/
	55	#define MCFDMA_DCR_INT 0x8000 /* Enable completion irq */
	56	#define MCFDMA_DCR_EEXT 0x4000 /* Enable external DMA req */
	57	#define MCFDMA_DCR_CS 0x2000 /* Enable cycle steal */
	58	#define MCFDMA_DCR_AA 0x1000 /* Enable auto alignment */
	59	#define MCFDMA_DCR_BWC_MASK 0x0E00 /* Bandwidth ctl mask */
	60	#define MCFDMA_DCR_BWC_512 0x0200 /* Bandwidth: 512 Bytes */
	61	#define MCFDMA_DCR_BWC_1024 0x0400 /* Bandwidth: 1024 Bytes */
	62	#define MCFDMA_DCR_BWC_2048 0x0600 /* Bandwidth: 2048 Bytes */
	63	#define MCFDMA_DCR_BWC_4096 0x0800 /* Bandwidth: 4096 Bytes */
	64	#define MCFDMA_DCR_BWC_8192 0x0a00 /* Bandwidth: 8192 Bytes */
	65	#define MCFDMA_DCR_BWC_16384 0x0c00 /* Bandwidth: 16384 Bytes */
	66	#define MCFDMA_DCR_BWC_32768 0x0e00 /* Bandwidth: 32768 Bytes */
	67	#define MCFDMA_DCR_SAA 0x0100 /* Single Address Access */
	68	#define MCFDMA_DCR_S_RW 0x0080 /* SAA read/write value */
	69	#define MCFDMA_DCR_SINC 0x0040 /* Source addr inc enable */
	70	#define MCFDMA_DCR_SSIZE_MASK 0x0030 /* Src xfer size */
	71	#define MCFDMA_DCR_SSIZE_LONG 0x0000 /* Src xfer size, 00 = longw */
	72	#define MCFDMA_DCR_SSIZE_BYTE 0x0010 /* Src xfer size, 01 = byte */
	73	#define MCFDMA_DCR_SSIZE_WORD 0x0020 /* Src xfer size, 10 = word */
	74	#define MCFDMA_DCR_SSIZE_LINE 0x0030 /* Src xfer size, 11 = line */
	75	#define MCFDMA_DCR_DINC 0x0008 /* Dest addr inc enable */
	76	#define MCFDMA_DCR_DSIZE_MASK 0x0006 /* Dest xfer size */
	77	#define MCFDMA_DCR_DSIZE_LONG 0x0000 /* Dest xfer size, 00 = long */
	78	#define MCFDMA_DCR_DSIZE_BYTE 0x0002 /* Dest xfer size, 01 = byte */
	79	#define MCFDMA_DCR_DSIZE_WORD 0x0004 /* Dest xfer size, 10 = word */
	80	#define MCFDMA_DCR_DSIZE_LINE 0x0006 /* Dest xfer size, 11 = line */
	81	#define MCFDMA_DCR_START 0x0001 /* Start transfer */
	82
	83	/*
	84	* Bit definitions for the DMA Status Register (DSR).
	85	*/
	86	#define MCFDMA_DSR_CE 0x40 /* Config error */
	87	#define MCFDMA_DSR_BES 0x20 /* Bus Error on source */
	88	#define MCFDMA_DSR_BED 0x10 /* Bus Error on dest */
	89	#define MCFDMA_DSR_REQ 0x04 /* Requests remaining */
	90	#define MCFDMA_DSR_BSY 0x02 /* Busy */
	91	#define MCFDMA_DSR_DONE 0x01 /* DMA transfer complete */
	92
	93	#else /* This is an MCF5272 */
	94
	95	#define MCFDMA_DMR 0x00 /* Mode Register (r/w) */
	96	#define MCFDMA_DIR 0x03 /* Interrupt trigger register (r/w) */
	97	#define MCFDMA_DSAR 0x03 /* Source Address register (r/w) */
	98	#define MCFDMA_DDAR 0x04 /* Destination Address register (r/w) */
	99	#define MCFDMA_DBCR 0x02 /* Byte Count Register (r/w) */
	100
	101	/* Bit definitions for the DMA Mode Register (DMR) */
	102	#define MCFDMA_DMR_RESET 0x80000000L /* Reset bit */
	103	#define MCFDMA_DMR_EN 0x40000000L /* DMA enable */
	104	#define MCFDMA_DMR_RQM 0x000C0000L /* Request Mode Mask */
	105	#define MCFDMA_DMR_RQM_DUAL 0x000C0000L /* Dual address mode, the only valid mode */
	106	#define MCFDMA_DMR_DSTM 0x00002000L /* Destination addressing mask */
	107	#define MCFDMA_DMR_DSTM_SA 0x00000000L /* Destination uses static addressing */
	108	#define MCFDMA_DMR_DSTM_IA 0x00002000L /* Destination uses incremental addressing */
	109	#define MCFDMA_DMR_DSTT_UD 0x00000400L /* Destination is user data */
	110	#define MCFDMA_DMR_DSTT_UC 0x00000800L /* Destination is user code */
	111	#define MCFDMA_DMR_DSTT_SD 0x00001400L /* Destination is supervisor data */
	112	#define MCFDMA_DMR_DSTT_SC 0x00001800L /* Destination is supervisor code */
	113	#define MCFDMA_DMR_DSTS_OFF 0x8 /* offset to the destination size bits */
	114	#define MCFDMA_DMR_DSTS_LONG 0x00000000L /* Long destination size */
	115	#define MCFDMA_DMR_DSTS_BYTE 0x00000100L /* Byte destination size */
	116	#define MCFDMA_DMR_DSTS_WORD 0x00000200L /* Word destination size */
	117	#define MCFDMA_DMR_DSTS_LINE 0x00000300L /* Line destination size */
	118	#define MCFDMA_DMR_SRCM 0x00000020L /* Source addressing mask */
	119	#define MCFDMA_DMR_SRCM_SA 0x00000000L /* Source uses static addressing */
	120	#define MCFDMA_DMR_SRCM_IA 0x00000020L /* Source uses incremental addressing */
	121	#define MCFDMA_DMR_SRCT_UD 0x00000004L /* Source is user data */
	122	#define MCFDMA_DMR_SRCT_UC 0x00000008L /* Source is user code */
	123	#define MCFDMA_DMR_SRCT_SD 0x00000014L /* Source is supervisor data */
	124	#define MCFDMA_DMR_SRCT_SC 0x00000018L /* Source is supervisor code */
	125	#define MCFDMA_DMR_SRCS_OFF 0x0 /* Offset to the source size bits */
	126	#define MCFDMA_DMR_SRCS_LONG 0x00000000L /* Long source size */
	127	#define MCFDMA_DMR_SRCS_BYTE 0x00000001L /* Byte source size */
	128	#define MCFDMA_DMR_SRCS_WORD 0x00000002L /* Word source size */
	129	#define MCFDMA_DMR_SRCS_LINE 0x00000003L /* Line source size */
	130
	131	/* Bit definitions for the DMA interrupt register (DIR) */
	132	#define MCFDMA_DIR_INVEN 0x1000 /* Invalid Combination interrupt enable */
	133	#define MCFDMA_DIR_ASCEN 0x0800 /* Address Sequence Complete (Completion) interrupt enable */
	134	#define MCFDMA_DIR_TEEN 0x0200 /* Transfer Error interrupt enable */
	135	#define MCFDMA_DIR_TCEN 0x0100 /* Transfer Complete (a bus transfer, that is) interrupt enable */
	136	#define MCFDMA_DIR_INV 0x0010 /* Invalid Combination */
	137	#define MCFDMA_DIR_ASC 0x0008 /* Address Sequence Complete (DMA Completion) */
	138	#define MCFDMA_DIR_TE 0x0002 /* Transfer Error */
	139	#define MCFDMA_DIR_TC 0x0001 /* Transfer Complete */
	140
	141	#endif /* !defined(CONFIG_M5272) */
	142
	143	/****************************************************************************/
	144	#endif /* mcfdma_h */