xref: /openbmc/u-boot/include/lxt971a.h (revision f64cb652)
1 /***********************************************************************
2  *
3  * Copyright (C) 2004 by FS Forth-Systeme GmbH.
4  * All rights reserved.
5  *
6  * $Id: ns9750_eth.h,v 1.2 2004/02/24 13:25:39 mpietrek Exp $
7  * @Author: Markus Pietrek
8  * @References: [1] NS9750 Hardware Reference, December 2003
9  *              [2] Intel LXT971 Datasheet #249414 Rev. 02
10  *              [3] NS7520 Linux Ethernet Driver
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  *
27  ***********************************************************************/
28 
29 #ifndef __LXT971A_H__
30 #define __LXT971A_H__
31 
32 /* PHY definitions (LXT971A) [2] */
33 #define PHY_LXT971_PORT_CFG		(0x10)
34 #define PHY_LXT971_STAT2		(0x11)
35 #define PHY_LXT971_INT_ENABLE		(0x12)
36 #define PHY_LXT971_INT_STATUS		(0x13)
37 #define PHY_LXT971_LED_CFG		(0x14)
38 #define PHY_LXT971_DIG_CFG		(0x1A)
39 #define PHY_LXT971_TX_CTRL		(0x1E)
40 
41 /* PORT_CFG Port Configuration Register Bit Fields */
42 #define PHY_LXT971_PORT_CFG_RES1        (0x8000)
43 #define PHY_LXT971_PORT_CFG_FORCE_LNK   (0x4000)
44 #define PHY_LXT971_PORT_CFG_TX_DISABLE  (0x2000)
45 #define PHY_LXT971_PORT_CFG_BYPASS_SCR  (0x1000)
46 #define PHY_LXT971_PORT_CFG_RES2        (0x0800)
47 #define PHY_LXT971_PORT_CFG_JABBER      (0x0400)
48 #define PHY_LXT971_PORT_CFG_SQE	        (0x0200)
49 #define PHY_LXT971_PORT_CFG_TP_LOOPBACK (0x0100)
50 #define PHY_LXT971_PORT_CFG_CRS_SEL     (0x0080)
51 #define PHY_LXT971_PORT_CFG_SLEEP_MODE  (0x0040)
52 #define PHY_LXT971_PORT_CFG_PRE_EN      (0x0020)
53 #define PHY_LXT971_PORT_CFG_SLEEP_T_MA  (0x0018)
54 #define PHY_LXT971_PORT_CFG_SLEEP_T_104 (0x0010)
55 #define PHY_LXT971_PORT_CFG_SLEEP_T_200 (0x0001)
56 #define PHY_LXT971_PORT_CFG_SLEEP_T_304 (0x0000)
57 #define PHY_LXT971_PORT_CFG_FLT_CODE_EN (0x0004)
58 #define PHY_LXT971_PORT_CFG_ALT_NP      (0x0002)
59 #define PHY_LXT971_PORT_CFG_FIBER_SEL   (0x0001)
60 
61 /* STAT2 Status Register #2 Bit Fields */
62 #define PHY_LXT971_STAT2_RES1		(0x8000)
63 #define PHY_LXT971_STAT2_100BTX		(0x4000)
64 #define PHY_LXT971_STAT2_TX_STATUS	(0x2000)
65 #define PHY_LXT971_STAT2_RX_STATUS	(0x1000)
66 #define PHY_LXT971_STAT2_COL_STATUS	(0x0800)
67 #define PHY_LXT971_STAT2_LINK		(0x0400)
68 #define PHY_LXT971_STAT2_DUPLEX_MODE	(0x0200)
69 #define PHY_LXT971_STAT2_AUTO_NEG	(0x0100)
70 #define PHY_LXT971_STAT2_AUTO_NEG_COMP	(0x0080)
71 #define PHY_LXT971_STAT2_RES2		(0x0040)
72 #define PHY_LXT971_STAT2_POLARITY	(0x0020)
73 #define PHY_LXT971_STAT2_PAUSE		(0x0010)
74 #define PHY_LXT971_STAT2_ERROR		(0x0008)
75 #define PHY_LXT971_STAT2_RES3		(0x0007)
76 
77 /* INT_ENABLE Interrupt Enable Register Bit Fields */
78 #define PHY_LXT971_INT_ENABLE_RES1      (0xFF00)
79 #define PHY_LXT971_INT_ENABLE_ANMSK     (0x0080)
80 #define PHY_LXT971_INT_ENABLE_SPEEDMSK  (0x0040)
81 #define PHY_LXT971_INT_ENABLE_DUPLEXMSK (0x0020)
82 #define PHY_LXT971_INT_ENABLE_LINKMSK   (0x0010)
83 #define PHY_LXT971_INT_ENABLE_RES2      (0x000C)
84 #define PHY_LXT971_INT_ENABLE_INTEN     (0x0002)
85 #define PHY_LXT971_INT_ENABLE_TINT      (0x0001)
86 
87 /* INT_STATUS Interrupt Status Register Bit Fields */
88 #define PHY_LXT971_INT_STATUS_RES1      (0xFF00)
89 #define PHY_LXT971_INT_STATUS_ANDONE    (0x0080)
90 #define PHY_LXT971_INT_STATUS_SPEEDCHG  (0x0040)
91 #define PHY_LXT971_INT_STATUS_DUPLEXCHG (0x0020)
92 #define PHY_LXT971_INT_STATUS_LINKCHG   (0x0010)
93 #define PHY_LXT971_INT_STATUS_RES2      (0x0008)
94 #define PHY_LXT971_INT_STATUS_MDINT     (0x0004)
95 #define PHY_LXT971_INT_STATUS_RES3      (0x0003)
96 
97 /* LED_CFG Interrupt LED Configuration Register Bit Fields */
98 #define PHY_LXT971_LED_CFG_SHIFT_LED1   (0x000C)
99 #define PHY_LXT971_LED_CFG_SHIFT_LED2   (0x0008)
100 #define PHY_LXT971_LED_CFG_SHIFT_LED3   (0x0004)
101 #define PHY_LXT971_LED_CFG_LEDFREQ_MA	(0x000C)
102 #define PHY_LXT971_LED_CFG_LEDFREQ_RES	(0x000C)
103 #define PHY_LXT971_LED_CFG_LEDFREQ_100	(0x0008)
104 #define PHY_LXT971_LED_CFG_LEDFREQ_60	(0x0004)
105 #define PHY_LXT971_LED_CFG_LEDFREQ_30	(0x0000)
106 #define PHY_LXT971_LED_CFG_PULSE_STR    (0x0002)
107 #define PHY_LXT971_LED_CFG_RES1         (0x0001)
108 
109 /* only one of these values must be shifted for each SHIFT_LED?  */
110 #define PHY_LXT971_LED_CFG_UNUSED1      (0x000F)
111 #define PHY_LXT971_LED_CFG_DUPLEX_COL   (0x000E)
112 #define PHY_LXT971_LED_CFG_LINK_ACT     (0x000D)
113 #define PHY_LXT971_LED_CFG_LINK_RX      (0x000C)
114 #define PHY_LXT971_LED_CFG_TEST_BLK_SLW (0x000B)
115 #define PHY_LXT971_LED_CFG_TEST_BLK_FST (0x000A)
116 #define PHY_LXT971_LED_CFG_TEST_OFF     (0x0009)
117 #define PHY_LXT971_LED_CFG_TEST_ON      (0x0008)
118 #define PHY_LXT971_LED_CFG_RX_OR_TX     (0x0007)
119 #define PHY_LXT971_LED_CFG_UNUSED2      (0x0006)
120 #define PHY_LXT971_LED_CFG_DUPLEX       (0x0005)
121 #define PHY_LXT971_LED_CFG_LINK	        (0x0004)
122 #define PHY_LXT971_LED_CFG_COLLISION    (0x0003)
123 #define PHY_LXT971_LED_CFG_RECEIVE      (0x0002)
124 #define PHY_LXT971_LED_CFG_TRANSMIT     (0x0001)
125 #define PHY_LXT971_LED_CFG_SPEED        (0x0000)
126 
127 /* DIG_CFG Digitial Configuration Register Bit Fields */
128 #define PHY_LXT971_DIG_CFG_RES1		(0xF000)
129 #define PHY_LXT971_DIG_CFG_MII_DRIVE	(0x0800)
130 #define PHY_LXT971_DIG_CFG_RES2		(0x0400)
131 #define PHY_LXT971_DIG_CFG_SHOW_SYMBOL	(0x0200)
132 #define PHY_LXT971_DIG_CFG_RES3		(0x01FF)
133 
134 #define PHY_LXT971_MDIO_MAX_CLK		(8000000)
135 #define PHY_MDIO_MAX_CLK		(2500000)
136 
137 /* TX_CTRL Transmit Control Register Bit Fields
138    documentation is buggy for this register, therefore setting not included */
139 
140 typedef enum
141 {
142 	PHY_NONE    = 0x0000, /* no PHY detected yet */
143 	PHY_LXT971A = 0x0013
144 } PhyType;
145 
146 #endif /* __LXT971A_H__ */
147