xref: /openbsd/sys/dev/pci/if_bcereg.h (revision 4bdff4be)
1 /* $OpenBSD: if_bcereg.h,v 1.3 2006/11/08 01:32:00 brad Exp $ */
2 /* $NetBSD: if_bcereg.h,v 1.3 2003/09/29 01:53:02 mrg Exp $	 */
3 
4 /*
5  * Copyright (c) 2003 Clifford Wright. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 /* Broadcom BCM440x */
32 
33 /* PCI registers defined in the PCI 2.2 spec. */
34 #define BCE_PCI_BAR0			0x10
35 
36 /* Sonics SB register access */
37 #define BCE_REG_WIN			0x80
38 #define BCE_SONICS_WIN			0x18002000
39 
40 /* Sonics PCI control */
41 #define BCE_SPCI_TR2			0x0108	/* Sonics to PCI translation
42 						 * 2 */
43 /* bit defines */
44 #define SBTOPCI_PREF			0x4	/* prefetch enable */
45 #define SBTOPCI_BURST			0x8	/* burst enable */
46 #define BCE_SBINTVEC			0x0f94
47 /* interrupt bits */
48 #define SBIV_ENET0			0x02	/* enable for enet 0 */
49 #define SBIV_ENET1			0x40	/* enable for enet 1 */
50 
51 
52 /* Host Interface Registers */
53 
54 #define BCE_DEVCTL			0x0000	/* device control */
55 /* device control bits */
56 #define BCE_DC_IP			0x00000400	/* internal phy present */
57 #define BCE_DC_ER			0x00008000	/* ephy reset */
58 /* Interrupt Control */
59 #define BCE_INT_STS			0x0020
60 #define BCE_INT_MASK			0x0024
61 /* bits for both status, and mask */
62 #define I_TO				0x00000080	/* general timeout */
63 #define I_PC				0x00000400	/* descriptor error */
64 #define I_PD				0x00000800	/* data error */
65 #define I_DE				0x00001000	/* desc. protocol error */
66 #define I_RU				0x00002000	/* rx desc. underflow */
67 #define I_RO				0x00004000	/* rx fifo overflow */
68 #define I_XU				0x00008000	/* tx fifo underflow */
69 #define I_RI				0x00010000	/* receive interrupt */
70 #define I_XI				0x01000000	/* transmit interrupt */
71 
72 /* Ethernet MAC Control */
73 #define BCE_MACCTL			0x00A8	/* ethernet mac control */
74 /* mac control bits */
75 #define BCE_EMC_CRC32_ENAB		0x00000001	/* crc32 generation */
76 #define BCE_EMC_PDOWN			0x00000004	/* PHY powerdown */
77 #define BCE_EMC_EDET			0x00000008	/* PHY energy detect */
78 #define BCE_EMC_LED			0x000000e0	/* PHY LED control */
79 
80 /* DMA Interrupt control */
81 #define BCE_DMAI_CTL			0x0100
82 
83 /* DMA registers */
84 #define BCE_DMA_TXCTL			0x0200	/* transmit control */
85 /* transmit control bits */
86 #define XC_XE				0x1	/* transmit enable */
87 #define XC_LE				0x4	/* loopback enable */
88 #define BCE_DMA_TXADDR			0x0204	/* tx ring base address */
89 #define BCE_DMA_DPTR			0x0208	/* last tx descriptor */
90 #define BCE_DMA_TXSTATUS		0x020C	/* active desc, etc */
91 #define BCE_DMA_RXCTL			0x0210	/* enable, etc */
92 #define BCE_DMA_RXADDR			0x0214	/* rx ring base address */
93 #define BCE_DMA_RXDPTR			0x0218	/* last descriptor */
94 #define BCE_DMA_RXSTATUS		0x021C	/* active desc, etc */
95 /* receive status bits */
96 #define RS_CD_MASK			0x0fff	/* current descriptor pointer */
97 #define RS_DMA_IDLE			0x2000	/* DMA is idle */
98 #define RS_ERROR			0xf0000	/* had an error */
99 
100 /* Ethernet MAC control registers */
101 #define BCE_RX_CTL			0x0400	/* receive config */
102 /* config bits */
103 #define ERC_DB				0x00000001	/* disable broadcast */
104 #define ERC_AM				0x00000002	/* rx all multicast */
105 #define ERC_PE				0x00000008	/* promiscuous enable */
106 
107 #define BCE_RX_MAX			0x0404	/* max packet length */
108 #define BCE_TX_MAX			0x0408
109 #define BCE_MI_CTL			0x0410
110 #define BCE_MI_COMM			0x0414
111 #define BCE_MI_STS			0x041C
112 /* mii status bits */
113 #define BCE_MIINTR			0x00000001	/* mii mdio interrupt */
114 
115 #define BCE_FILT_LOW			0x0420	/* mac low 4 bytes */
116 #define BCE_FILT_HI			0x0424	/* mac hi 2 bytes */
117 #define BCE_FILT_CTL			0x0428	/* packet filter ctrl */
118 #define BCE_ENET_CTL			0x042C
119 /* bits for mac control */
120 #define EC_EE				0x00000001	/* emac enable */
121 #define EC_ED				0x00000002	/* disable emac */
122 #define EC_ES				0x00000004	/* soft reset emac */
123 #define EC_EP				0x00000008	/* external phy */
124 #define BCE_TX_CTL			0x0430
125 /* bits for transmit control */
126 #define EXC_FD				0x00000001	/* full duplex */
127 #define BCE_TX_WATER			0x0434	/* tx watermark */
128 
129 /* statistics counters */
130 #define BCE_RX_PKTS			0x058C
131 
132 /* SiliconBackplane registers */
133 #define BCE_SBIMSTATE			0x0f90
134 #define BCE_SBTMSTATELOW		0x0f98
135 #define BCE_SBTMSTATEHI			0x0f9C
136 #define SBTML_RESET			0x1	/* reset */
137 #define SBTML_REJ			0x2	/* reject */
138 #define SBTML_CLK			0x10000	/* clock enable */
139 #define SBTML_FGC			0x20000	/* force gated clocks on */
140 
141 /* MI communication register */
142 #define BCE_MICOMM_DATA			0x0000FFFF
143 
144 #define BCE_MIREG(x)			((x & 0x1F) << 18)
145 #define BCE_MIPHY(x)			((x & 0x1F) << 23)
146 
147 /* SPROM constants */
148 #define BCE_SPROM_BASE			0x1000
149 #define BCE_PHY				(BCE_SPROM_BASE + 0x5A) /* MII Address */
150 #define	BCE_ENET0			(BCE_SPROM_BASE + 0x4F)
151 #define	BCE_ENET1			(BCE_SPROM_BASE + 0x4E)
152 #define	BCE_ENET2			(BCE_SPROM_BASE + 0x51)
153 #define	BCE_ENET3			(BCE_SPROM_BASE + 0x50)
154 #define	BCE_ENET4			(BCE_SPROM_BASE + 0x53)
155 #define	BCE_ENET5			(BCE_SPROM_BASE + 0x52)
156 
157 #define  SBIM_INBAND_ERROR		0x20000
158 #define  SBIM_TIMEOUT			0x40000
159 #define  SBIM_ERRORBITS			(SBIM_INBAND_ERROR|SBIM_TIMEOUT)
160