1 /*
2  * fsl_mcdmafec.h -- Multi-channel DMA Fast Ethernet Controller definitions
3  *
4  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
5  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
6  *
7  * See file CREDITS for list of people who contributed to this
8  * project.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License as
12  * published by the Free Software Foundation; either version 2 of
13  * the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23  * MA 02111-1307 USA
24  */
25 
26 #ifndef fsl_mcdmafec_h
27 #define fsl_mcdmafec_h
28 
29 /* Re-use of the definitions */
30 #include <asm/fec.h>
31 
32 typedef struct fecdma {
33 	u32 rsvd0;		/* 0x000 */
34 	u32 eir;		/* 0x004 */
35 	u32 eimr;		/* 0x008 */
36 	u32 rsvd1[6];		/* 0x00C - 0x023 */
37 	u32 ecr;		/* 0x024 */
38 	u32 rsvd2[6];		/* 0x028 - 0x03F */
39 	u32 mmfr;		/* 0x040 */
40 	u32 mscr;		/* 0x044 */
41 	u32 rsvd3[7];		/* 0x048 - 0x063 */
42 	u32 mibc;		/* 0x064 */
43 	u32 rsvd4[7];		/* 0x068 - 0x083 */
44 	u32 rcr;		/* 0x084 */
45 	u32 rhr;		/* 0x088 */
46 	u32 rsvd5[14];		/* 0x08C - 0x0C3 */
47 	u32 tcr;		/* 0x0C4 */
48 	u32 rsvd6[7];		/* 0x0C8 - 0x0E3 */
49 	u32 palr;		/* 0x0E4 */
50 	u32 paur;		/* 0x0E8 */
51 	u32 opd;		/* 0x0EC */
52 	u32 rsvd7[10];		/* 0x0F0 - 0x117 */
53 	u32 iaur;		/* 0x118 */
54 	u32 ialr;		/* 0x11C */
55 	u32 gaur;		/* 0x120 */
56 	u32 galr;		/* 0x124 */
57 	u32 rsvd8[7];		/* 0x128 - 0x143 */
58 	u32 tfwr;		/* 0x144 */
59 	u32 rsvd9[14];		/* 0x148 - 0x17F */
60 	u32 fmc;		/* 0x180 */
61 	u32 rfdr;		/* 0x184 */
62 	u32 rfsr;		/* 0x188 */
63 	u32 rfcr;		/* 0x18C */
64 	u32 rlrfp;		/* 0x190 */
65 	u32 rlwfp;		/* 0x194 */
66 	u32 rfar;		/* 0x198 */
67 	u32 rfrp;		/* 0x19C */
68 	u32 rfwp;		/* 0x1A0 */
69 	u32 tfdr;		/* 0x1A4 */
70 	u32 tfsr;		/* 0x1A8 */
71 	u32 tfcr;		/* 0x1AC */
72 	u32 tlrfp;		/* 0x1B0 */
73 	u32 tlwfp;		/* 0x1B4 */
74 	u32 tfar;		/* 0x1B8 */
75 	u32 tfrp;		/* 0x1BC */
76 	u32 tfwp;		/* 0x1C0 */
77 	u32 frst;		/* 0x1C4 */
78 	u32 ctcwr;		/* 0x1C8 */
79 } fecdma_t;
80 
81 struct fec_info_dma {
82 	int index;
83 	u32 iobase;
84 	u32 pinmux;
85 	u32 miibase;
86 	int phy_addr;
87 	int dup_spd;
88 	char *phy_name;
89 	int phyname_init;
90 	cbd_t *rxbd;		/* Rx BD */
91 	cbd_t *txbd;		/* Tx BD */
92 	uint rxIdx;
93 	uint txIdx;
94 	char *txbuf;
95 	int initialized;
96 	struct fec_info_dma *next;
97 
98 	u16 rxTask;		/* DMA receive Task Number */
99 	u16 txTask;		/* DMA Transmit Task Number */
100 	u16 rxPri;		/* DMA Receive Priority */
101 	u16 txPri;		/* DMA Transmit Priority */
102 	u16 rxInit;		/* DMA Receive Initiator */
103 	u16 txInit;		/* DMA Transmit Initiator */
104 	u16 usedTbdIdx;		/* next transmit BD to clean */
105 	u16 cleanTbdNum;	/* the number of available transmit BDs */
106 };
107 
108 /* Bit definitions and macros for IEVENT */
109 #define FEC_EIR_TXERR		(0x00040000)
110 #define FEC_EIR_RXERR		(0x00020000)
111 #undef FEC_EIR_CLEAR_ALL
112 #define FEC_EIR_CLEAR_ALL	(0xFFFE0000)
113 
114 /* Bit definitions and macros for R_HASH */
115 #define FEC_RHASH_FCE_DC	(0x80000000)
116 #define FEC_RHASH_MULTCAST	(0x40000000)
117 #define FEC_RHASH_HASH(x)	(((x)&0x0000003F)<<24)
118 
119 /* Bit definitions and macros for FEC_TFWR */
120 #undef FEC_TFWR_X_WMRK
121 #undef FEC_TFWR_X_WMRK_64
122 #undef FEC_TFWR_X_WMRK_128
123 #undef FEC_TFWR_X_WMRK_192
124 
125 #define FEC_TFWR_X_WMRK(x)	((x)&0x0F)
126 #define FEC_TFWR_X_WMRK_64	(0x00)
127 #define FEC_TFWR_X_WMRK_128	(0x01)
128 #define FEC_TFWR_X_WMRK_192	(0x02)
129 #define FEC_TFWR_X_WMRK_256	(0x03)
130 #define FEC_TFWR_X_WMRK_320	(0x04)
131 #define FEC_TFWR_X_WMRK_384	(0x05)
132 #define FEC_TFWR_X_WMRK_448	(0x06)
133 #define FEC_TFWR_X_WMRK_512	(0x07)
134 #define FEC_TFWR_X_WMRK_576	(0x08)
135 #define FEC_TFWR_X_WMRK_640	(0x09)
136 #define FEC_TFWR_X_WMRK_704	(0x0A)
137 #define FEC_TFWR_X_WMRK_768	(0x0B)
138 #define FEC_TFWR_X_WMRK_832	(0x0C)
139 #define FEC_TFWR_X_WMRK_896	(0x0D)
140 #define FEC_TFWR_X_WMRK_960	(0x0E)
141 #define FEC_TFWR_X_WMRK_1024	(0x0F)
142 
143 /* FIFO definitions */
144 /* Bit definitions and macros for FSTAT */
145 #define FIFO_STAT_IP		(0x80000000)
146 #define FIFO_STAT_FRAME(x)	(((x)&0x0000000F)<<24)
147 #define FIFO_STAT_FAE		(0x00800000)
148 #define FIFO_STAT_RXW		(0x00400000)
149 #define FIFO_STAT_UF		(0x00200000)
150 #define FIFO_STAT_OF		(0x00100000)
151 #define FIFO_STAT_FR		(0x00080000)
152 #define FIFO_STAT_FULL		(0x00040000)
153 #define FIFO_STAT_ALARM		(0x00020000)
154 #define FIFO_STAT_EMPTY		(0x00010000)
155 
156 /* Bit definitions and macros for FCTRL */
157 #define FIFO_CTRL_WCTL		(0x40000000)
158 #define FIFO_CTRL_WFR		(0x20000000)
159 #define FIFO_CTRL_FRAME		(0x08000000)
160 #define FIFO_CTRL_GR(x)		(((x)&0x00000007)<<24)
161 #define FIFO_CTRL_IPMASK	(0x00800000)
162 #define FIFO_CTRL_FAEMASK	(0x00400000)
163 #define FIFO_CTRL_RXWMASK	(0x00200000)
164 #define FIFO_CTRL_UFMASK	(0x00100000)
165 #define FIFO_CTRL_OFMASK	(0x00080000)
166 
167 #endif				/* fsl_mcdmafec_h */
168