2 * Copyright (C) 2003 - 2006 NetXen, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
30 #ifndef __NIC_PHAN_REG_H_
31 #define __NIC_PHAN_REG_H_
34 * CRB Registers or queue message done only at initialization time.
38 * The following 2 are the base adresses for the CRB registers and their
39 * offsets will be added to get addresses for the index addresses.
41 #define NIC_CRB_BASE_PORT1 NETXEN_CAM_RAM(0x200)
42 #define NIC_CRB_BASE_PORT2 NETXEN_CAM_RAM(0x250)
44 #define NETXEN_NIC_REG(X) (NIC_CRB_BASE_PORT1+(X))
47 * CrbPortPhanCntrHi/Lo is used to pass the address of HostPhantomIndex address
48 * which can be read by the Phantom host to get producer/consumer indexes from
49 * Phantom/Casper. If it is not HOST_SHARED_MEMORY, then the following
50 * registers will be used for the addresses of the ring's shared memory
54 #define CRB_PHAN_CNTRL_LO_OFFSET NETXEN_NIC_REG(0x00)
55 #define CRB_PHAN_CNTRL_HI_OFFSET NETXEN_NIC_REG(0x04)
57 /* point to the indexes */
58 #define CRB_CMD_PRODUCER_OFFSET NETXEN_NIC_REG(0x08)
59 #define CRB_CMD_CONSUMER_OFFSET NETXEN_NIC_REG(0x0c)
61 #define CRB_PAUSE_ADDR_LO NETXEN_NIC_REG(0x10)
62 #define CRB_PAUSE_ADDR_HI NETXEN_NIC_REG(0x14)
64 /* address of command descriptors in the host memory */
65 #define CRB_HOST_CMD_ADDR_HI NETXEN_NIC_REG(0x30)
66 #define CRB_HOST_CMD_ADDR_LO NETXEN_NIC_REG(0x34)
68 /* The following 4 CRB registers are for doing performance coal */
69 #define CRB_CMD_INTR_LOOP NETXEN_NIC_REG(0x38)
70 #define CRB_CMD_DMA_LOOP NETXEN_NIC_REG(0x3c)
71 #define CRB_RCV_INTR_LOOP NETXEN_NIC_REG(0x40)
72 #define CRB_RCV_DMA_LOOP NETXEN_NIC_REG(0x44)
74 /* Needed by the host to find out the state of Phantom's initialization */
75 #define CRB_ENABLE_TX_INTR NETXEN_NIC_REG(0x4c)
76 #define CRB_CMDPEG_STATE NETXEN_NIC_REG(0x50)
77 #define CRB_CMDPEG_CMDRING NETXEN_NIC_REG(0x54)
79 /* Interrupt coalescing parameters */
80 #define CRB_GLOBAL_INT_COAL NETXEN_NIC_REG(0x80)
81 #define CRB_INT_COAL_MODE NETXEN_NIC_REG(0x84)
82 #define CRB_MAX_RCV_BUFS NETXEN_NIC_REG(0x88)
83 #define CRB_TX_INT_THRESHOLD NETXEN_NIC_REG(0x8c)
84 #define CRB_RX_PKT_TIMER NETXEN_NIC_REG(0x90)
85 #define CRB_TX_PKT_TIMER NETXEN_NIC_REG(0x94)
86 #define CRB_RX_PKT_CNT NETXEN_NIC_REG(0x98)
87 #define CRB_RX_TMR_CNT NETXEN_NIC_REG(0x9c)
88 #define CRB_INT_THRESH NETXEN_NIC_REG(0xa4)
90 /* Register for communicating XG link status */
91 #define CRB_XG_STATE NETXEN_NIC_REG(0xa0)
93 /* Register for communicating card temperature */
94 /* Upper 16 bits are temperature value. Lower 16 bits are the state */
95 #define CRB_TEMP_STATE NETXEN_NIC_REG(0xa8)
96 #define nx_get_temp_val(x) ((x) >> 16)
97 #define nx_get_temp_state(x) ((x) & 0xffff)
98 #define nx_encode_temp(val, state) (((val) << 16) | (state))
100 /* Debug registers for controlling NIC pkt gen agent */
101 #define CRB_AGENT_GO NETXEN_NIC_REG(0xb0)
102 #define CRB_AGENT_TX_SIZE NETXEN_NIC_REG(0xb4)
103 #define CRB_AGENT_TX_TYPE NETXEN_NIC_REG(0xb8)
104 #define CRB_AGENT_TX_ADDR NETXEN_NIC_REG(0xbc)
105 #define CRB_AGENT_TX_MSS NETXEN_NIC_REG(0xc0)
107 /* Debug registers for observing NIC performance */
108 #define CRB_TX_STATE NETXEN_NIC_REG(0xd0)
109 #define CRB_TX_COUNT NETXEN_NIC_REG(0xd4)
110 #define CRB_RX_STATE NETXEN_NIC_REG(0xd8)
112 /* CRB registers per Rcv Descriptor ring */
113 struct netxen_rcv_desc_crb {
114 u32 crb_rcv_producer_offset __attribute__ ((aligned(512)));
115 u32 crb_rcv_consumer_offset;
116 u32 crb_globalrcv_ring;
120 * CRB registers used by the receive peg logic. One instance of these
121 * needs to be instantiated per instance of the receive peg.
124 struct netxen_recv_crb {
125 struct netxen_rcv_desc_crb rcv_desc_crb[NUM_RCV_DESC_RINGS];
126 u32 crb_rcvstatus_ring;
127 u32 crb_rcv_status_producer;
128 u32 crb_rcv_status_consumer;
129 u32 crb_rcvpeg_state;
132 #if defined(DEFINE_GLOBAL_RECV_CRB)
133 struct netxen_recv_crb recv_crb_registers[] = {
141 /* crb_rcv_producer_offset: */
142 NETXEN_NIC_REG(0x18),
143 /* crb_rcv_consumer_offset: */
144 NETXEN_NIC_REG(0x1c),
145 /* crb_gloablrcv_ring: */
146 NETXEN_NIC_REG(0x20),
150 /* crb_rcv_producer_offset: */
151 NETXEN_NIC_REG(0x100),
152 /* crb_rcv_consumer_offset: */
153 NETXEN_NIC_REG(0x104),
154 /* crb_gloablrcv_ring: */
155 NETXEN_NIC_REG(0x108),
158 /* crb_rcvstatus_ring: */
159 NETXEN_NIC_REG(0x24),
160 /* crb_rcv_status_producer: */
161 NETXEN_NIC_REG(0x28),
162 /* crb_rcv_status_consumer: */
163 NETXEN_NIC_REG(0x2c),
164 /* crb_rcvpeg_state: */
165 NETXEN_NIC_REG(0x48),
175 /* crb_rcv_producer_offset: */
176 NETXEN_NIC_REG(0x80),
177 /* crb_rcv_consumer_offset: */
178 NETXEN_NIC_REG(0x84),
179 /* crb_globalrcv_ring: */
180 NETXEN_NIC_REG(0x88),
184 /* crb_rcv_producer_offset: */
185 NETXEN_NIC_REG(0x10C),
186 /* crb_rcv_consumer_offset: */
187 NETXEN_NIC_REG(0x110),
188 /* crb_globalrcv_ring: */
189 NETXEN_NIC_REG(0x114),
192 /* crb_rcvstatus_ring: */
193 NETXEN_NIC_REG(0x8c),
194 /* crb_rcv_status_producer: */
195 NETXEN_NIC_REG(0x90),
196 /* crb_rcv_status_consumer: */
197 NETXEN_NIC_REG(0x94),
198 /* crb_rcvpeg_state: */
199 NETXEN_NIC_REG(0x98),
203 extern struct netxen_recv_crb recv_crb_registers[];
204 #endif /* DEFINE_GLOBAL_RECEIVE_CRB */
207 * Temperature control.
210 NX_TEMP_NORMAL = 0x1, /* Normal operating range */
211 NX_TEMP_WARN, /* Sound alert, temperature getting high */
212 NX_TEMP_PANIC /* Fatal error, hardware has shut down. */
215 #endif /* __NIC_PHAN_REG_H_ */