1 /*******************************************************************************
2   MAC 10/100 Header File
3 
4   Copyright (C) 2007-2009  STMicroelectronics Ltd
5 
6   This program is free software; you can redistribute it and/or modify it
7   under the terms and conditions of the GNU General Public License,
8   version 2, as published by the Free Software Foundation.
9 
10   This program is distributed in the hope it will be useful, but WITHOUT
11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13   more details.
14 
15   You should have received a copy of the GNU General Public License along with
16   this program; if not, write to the Free Software Foundation, Inc.,
17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18 
19   The full GNU General Public License is included in this distribution in
20   the file called "COPYING".
21 
22   Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23 *******************************************************************************/
24 
25 #ifndef __DWMAC100_H__
26 #define __DWMAC100_H__
27 
28 #include <linux/phy.h>
29 #include "common.h"
30 
31 /*----------------------------------------------------------------------------
32  *	 			MAC BLOCK defines
33  *---------------------------------------------------------------------------*/
34 /* MAC CSR offset */
35 #define MAC_CONTROL	0x00000000	/* MAC Control */
36 #define MAC_ADDR_HIGH	0x00000004	/* MAC Address High */
37 #define MAC_ADDR_LOW	0x00000008	/* MAC Address Low */
38 #define MAC_HASH_HIGH	0x0000000c	/* Multicast Hash Table High */
39 #define MAC_HASH_LOW	0x00000010	/* Multicast Hash Table Low */
40 #define MAC_MII_ADDR	0x00000014	/* MII Address */
41 #define MAC_MII_DATA	0x00000018	/* MII Data */
42 #define MAC_FLOW_CTRL	0x0000001c	/* Flow Control */
43 #define MAC_VLAN1	0x00000020	/* VLAN1 Tag */
44 #define MAC_VLAN2	0x00000024	/* VLAN2 Tag */
45 
46 /* MAC CTRL defines */
47 #define MAC_CONTROL_RA	0x80000000	/* Receive All Mode */
48 #define MAC_CONTROL_BLE	0x40000000	/* Endian Mode */
49 #define MAC_CONTROL_HBD	0x10000000	/* Heartbeat Disable */
50 #define MAC_CONTROL_PS	0x08000000	/* Port Select */
51 #define MAC_CONTROL_DRO	0x00800000	/* Disable Receive Own */
52 #define MAC_CONTROL_EXT_LOOPBACK 0x00400000	/* Reserved (ext loopback?) */
53 #define MAC_CONTROL_OM	0x00200000	/* Loopback Operating Mode */
54 #define MAC_CONTROL_F	0x00100000	/* Full Duplex Mode */
55 #define MAC_CONTROL_PM	0x00080000	/* Pass All Multicast */
56 #define MAC_CONTROL_PR	0x00040000	/* Promiscuous Mode */
57 #define MAC_CONTROL_IF	0x00020000	/* Inverse Filtering */
58 #define MAC_CONTROL_PB	0x00010000	/* Pass Bad Frames */
59 #define MAC_CONTROL_HO	0x00008000	/* Hash Only Filtering Mode */
60 #define MAC_CONTROL_HP	0x00002000	/* Hash/Perfect Filtering Mode */
61 #define MAC_CONTROL_LCC	0x00001000	/* Late Collision Control */
62 #define MAC_CONTROL_DBF	0x00000800	/* Disable Broadcast Frames */
63 #define MAC_CONTROL_DRTY	0x00000400	/* Disable Retry */
64 #define MAC_CONTROL_ASTP	0x00000100	/* Automatic Pad Stripping */
65 #define MAC_CONTROL_BOLMT_10	0x00000000	/* Back Off Limit 10 */
66 #define MAC_CONTROL_BOLMT_8	0x00000040	/* Back Off Limit 8 */
67 #define MAC_CONTROL_BOLMT_4	0x00000080	/* Back Off Limit 4 */
68 #define MAC_CONTROL_BOLMT_1	0x000000c0	/* Back Off Limit 1 */
69 #define MAC_CONTROL_DC		0x00000020	/* Deferral Check */
70 #define MAC_CONTROL_TE		0x00000008	/* Transmitter Enable */
71 #define MAC_CONTROL_RE		0x00000004	/* Receiver Enable */
72 
73 #define MAC_CORE_INIT (MAC_CONTROL_HBD | MAC_CONTROL_ASTP)
74 
75 /* MAC FLOW CTRL defines */
76 #define MAC_FLOW_CTRL_PT_MASK	0xffff0000	/* Pause Time Mask */
77 #define MAC_FLOW_CTRL_PT_SHIFT	16
78 #define MAC_FLOW_CTRL_PASS	0x00000004	/* Pass Control Frames */
79 #define MAC_FLOW_CTRL_ENABLE	0x00000002	/* Flow Control Enable */
80 #define MAC_FLOW_CTRL_PAUSE	0x00000001	/* Flow Control Busy ... */
81 
82 /* MII ADDR  defines */
83 #define MAC_MII_ADDR_WRITE	0x00000002	/* MII Write */
84 #define MAC_MII_ADDR_BUSY	0x00000001	/* MII Busy */
85 
86 /*----------------------------------------------------------------------------
87  * 				DMA BLOCK defines
88  *---------------------------------------------------------------------------*/
89 
90 /* DMA Bus Mode register defines */
91 #define DMA_BUS_MODE_DBO	0x00100000	/* Descriptor Byte Ordering */
92 #define DMA_BUS_MODE_BLE	0x00000080	/* Big Endian/Little Endian */
93 #define DMA_BUS_MODE_PBL_MASK	0x00003f00	/* Programmable Burst Len */
94 #define DMA_BUS_MODE_PBL_SHIFT	8
95 #define DMA_BUS_MODE_DSL_MASK	0x0000007c	/* Descriptor Skip Length */
96 #define DMA_BUS_MODE_DSL_SHIFT	2	/*   (in DWORDS)      */
97 #define DMA_BUS_MODE_BAR_BUS	0x00000002	/* Bar-Bus Arbitration */
98 #define DMA_BUS_MODE_SFT_RESET	0x00000001	/* Software Reset */
99 #define DMA_BUS_MODE_DEFAULT	0x00000000
100 
101 /* DMA Control register defines */
102 #define DMA_CONTROL_SF		0x00200000	/* Store And Forward */
103 
104 /* Transmit Threshold Control */
105 enum ttc_control {
106 	DMA_CONTROL_TTC_DEFAULT = 0x00000000,	/* Threshold is 32 DWORDS */
107 	DMA_CONTROL_TTC_64 = 0x00004000,	/* Threshold is 64 DWORDS */
108 	DMA_CONTROL_TTC_128 = 0x00008000,	/* Threshold is 128 DWORDS */
109 	DMA_CONTROL_TTC_256 = 0x0000c000,	/* Threshold is 256 DWORDS */
110 	DMA_CONTROL_TTC_18 = 0x00400000,	/* Threshold is 18 DWORDS */
111 	DMA_CONTROL_TTC_24 = 0x00404000,	/* Threshold is 24 DWORDS */
112 	DMA_CONTROL_TTC_32 = 0x00408000,	/* Threshold is 32 DWORDS */
113 	DMA_CONTROL_TTC_40 = 0x0040c000,	/* Threshold is 40 DWORDS */
114 	DMA_CONTROL_SE = 0x00000008,	/* Stop On Empty */
115 	DMA_CONTROL_OSF = 0x00000004,	/* Operate On 2nd Frame */
116 };
117 
118 /* STMAC110 DMA Missed Frame Counter register defines */
119 #define DMA_MISSED_FRAME_OVE	0x10000000	/* FIFO Overflow Overflow */
120 #define DMA_MISSED_FRAME_OVE_CNTR 0x0ffe0000	/* Overflow Frame Counter */
121 #define DMA_MISSED_FRAME_OVE_M	0x00010000	/* Missed Frame Overflow */
122 #define DMA_MISSED_FRAME_M_CNTR	0x0000ffff	/* Missed Frame Couinter */
123 
124 extern const struct stmmac_dma_ops dwmac100_dma_ops;
125 
126 #endif /* __DWMAC100_H__ */
127