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bce: Rework MSI checkout for 5706 and 5708
[dragonfly.git] / sys / dev / netif / bce / if_bce.c
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43c2aeb0
SZ		 1/*-
2 * Copyright (c) 2006-2007 Broadcom Corporation
3 * David Christensen <davidch@broadcom.com>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Broadcom Corporation nor the name of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written consent.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * $FreeBSD: src/sys/dev/bce/if_bce.c,v 1.31 2007/05/16 23:34:11 davidch Exp $
43c2aeb0
SZ		 31 */
32
33/*
34 * The following controllers are supported by this driver:
35 * BCM5706C A2, A3
d0092544 36 * BCM5706S A2, A3
43c2aeb0 37 * BCM5708C B1, B2
d0092544
SZ		 38 * BCM5708S B1, B2
39 * BCM5709C A1, C0
40 * BCM5716 C0
43c2aeb0
SZ		 41 *
42 * The following controllers are not supported by this driver:
43 * BCM5706C A0, A1
d0092544 44 * BCM5706S A0, A1
43c2aeb0 45 * BCM5708C A0, B0
d0092544
SZ		 46 * BCM5708S A0, B0
47 * BCM5709C A0, B0, B1
48 * BCM5709S A0, A1, B0, B1, B2, C0
43c2aeb0
SZ		 49 */
50
51#include "opt_bce.h"
52#include "opt_polling.h"
53
54#include <sys/param.h>
55#include <sys/bus.h>
56#include <sys/endian.h>
57#include <sys/kernel.h>
9db4b353 58#include <sys/interrupt.h>
43c2aeb0
SZ		 59#include <sys/mbuf.h>
60#include <sys/malloc.h>
61#include <sys/queue.h>
62#ifdef BCE_DEBUG
63#include <sys/random.h>
64#endif
65#include <sys/rman.h>
66#include <sys/serialize.h>
67#include <sys/socket.h>
68#include <sys/sockio.h>
69#include <sys/sysctl.h>
70
eefd160d
SZ		 71#include <netinet/ip.h>
72#include <netinet/tcp.h>
73
43c2aeb0
SZ		 74#include <net/bpf.h>
75#include <net/ethernet.h>
76#include <net/if.h>
77#include <net/if_arp.h>
78#include <net/if_dl.h>
79#include <net/if_media.h>
80#include <net/if_types.h>
81#include <net/ifq_var.h>
82#include <net/vlan/if_vlan_var.h>
b637f170 83#include <net/vlan/if_vlan_ether.h>
43c2aeb0
SZ		 84
85#include <dev/netif/mii_layer/mii.h>
86#include <dev/netif/mii_layer/miivar.h>
f31c6e4d 87#include <dev/netif/mii_layer/brgphyreg.h>
43c2aeb0
SZ		 88
89#include <bus/pci/pcireg.h>
90#include <bus/pci/pcivar.h>
91
92#include "miibus_if.h"
93
9382dc55
SZ		 94#include <dev/netif/bce/if_bcereg.h>
95#include <dev/netif/bce/if_bcefw.h>
43c2aeb0 96
28ef7645
SZ		 97#define BCE_MSI_CKINTVL ((10 * hz) / 1000) /* 10ms */
98
43c2aeb0
SZ		 99/****************************************************************************/
100/* BCE Debug Options */
101/****************************************************************************/
102#ifdef BCE_DEBUG
103
104static uint32_t bce_debug = BCE_WARN;
105
106/*
107 * 0 = Never
108 * 1 = 1 in 2,147,483,648
109 * 256 = 1 in 8,388,608
110 * 2048 = 1 in 1,048,576
111 * 65536 = 1 in 32,768
112 * 1048576 = 1 in 2,048
113 * 268435456 = 1 in 8
114 * 536870912 = 1 in 4
115 * 1073741824 = 1 in 2
116 *
43c2aeb0
SZ		 117 * bce_debug_mbuf_allocation_failure:
118 * How often to simulate an mbuf allocation failure.
119 *
120 * bce_debug_dma_map_addr_failure:
121 * How often to simulate a DMA mapping failure.
122 *
123 * bce_debug_bootcode_running_failure:
124 * How often to simulate a bootcode failure.
125 */
43c2aeb0
SZ		 126static int bce_debug_mbuf_allocation_failure = 0;
127static int bce_debug_dma_map_addr_failure = 0;
128static int bce_debug_bootcode_running_failure = 0;
129
130#endif /* BCE_DEBUG */
131
132
133/****************************************************************************/
134/* PCI Device ID Table */
135/* */
136/* Used by bce_probe() to identify the devices supported by this driver. */
137/****************************************************************************/
138#define BCE_DEVDESC_MAX 64
139
140static struct bce_type bce_devs[] = {
141 /* BCM5706C Controllers and OEM boards. */
142 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3101,
143 "HP NC370T Multifunction Gigabit Server Adapter" },
144 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3106,
145 "HP NC370i Multifunction Gigabit Server Adapter" },
3482f06c
SZ		 146 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x3070,
147 "HP NC380T PCIe DP Multifunc Gig Server Adapter" },
148 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, HP_VENDORID, 0x1709,
149 "HP NC371i Multifunction Gigabit Server Adapter" },
43c2aeb0
SZ		 150 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706, PCI_ANY_ID, PCI_ANY_ID,
151 "Broadcom NetXtreme II BCM5706 1000Base-T" },
152
153 /* BCM5706S controllers and OEM boards. */
154 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706S, HP_VENDORID, 0x3102,
155 "HP NC370F Multifunction Gigabit Server Adapter" },
156 { BRCM_VENDORID, BRCM_DEVICEID_BCM5706S, PCI_ANY_ID, PCI_ANY_ID,
157 "Broadcom NetXtreme II BCM5706 1000Base-SX" },
158
159 /* BCM5708C controllers and OEM boards. */
3482f06c
SZ		 160 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, HP_VENDORID, 0x7037,
161 "HP NC373T PCIe Multifunction Gig Server Adapter" },
162 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, HP_VENDORID, 0x7038,
163 "HP NC373i Multifunction Gigabit Server Adapter" },
164 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, HP_VENDORID, 0x7045,
165 "HP NC374m PCIe Multifunction Adapter" },
43c2aeb0
SZ		 166 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708, PCI_ANY_ID, PCI_ANY_ID,
167 "Broadcom NetXtreme II BCM5708 1000Base-T" },
168
169 /* BCM5708S controllers and OEM boards. */
3482f06c
SZ		 170 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, HP_VENDORID, 0x1706,
171 "HP NC373m Multifunction Gigabit Server Adapter" },
172 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, HP_VENDORID, 0x703b,
173 "HP NC373i Multifunction Gigabit Server Adapter" },
174 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, HP_VENDORID, 0x703d,
175 "HP NC373F PCIe Multifunc Giga Server Adapter" },
43c2aeb0
SZ		 176 { BRCM_VENDORID, BRCM_DEVICEID_BCM5708S, PCI_ANY_ID, PCI_ANY_ID,
177 "Broadcom NetXtreme II BCM5708S 1000Base-T" },
d0092544
SZ		 178
179 /* BCM5709C controllers and OEM boards. */
3482f06c
SZ		 180 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709, HP_VENDORID, 0x7055,
181 "HP NC382i DP Multifunction Gigabit Server Adapter" },
182 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709, HP_VENDORID, 0x7059,
183 "HP NC382T PCIe DP Multifunction Gigabit Server Adapter" },
d0092544
SZ		 184 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709, PCI_ANY_ID, PCI_ANY_ID,
185 "Broadcom NetXtreme II BCM5709 1000Base-T" },
186
187 /* BCM5709S controllers and OEM boards. */
3482f06c
SZ		 188 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709S, HP_VENDORID, 0x171d,
189 "HP NC382m DP 1GbE Multifunction BL-c Adapter" },
190 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709S, HP_VENDORID, 0x7056,
191 "HP NC382i DP Multifunction Gigabit Server Adapter" },
d0092544
SZ		 192 { BRCM_VENDORID, BRCM_DEVICEID_BCM5709S, PCI_ANY_ID, PCI_ANY_ID,
193 "Broadcom NetXtreme II BCM5709 1000Base-SX" },
194
195 /* BCM5716 controllers and OEM boards. */
196 { BRCM_VENDORID, BRCM_DEVICEID_BCM5716, PCI_ANY_ID, PCI_ANY_ID,
197 "Broadcom NetXtreme II BCM5716 1000Base-T" },
198
43c2aeb0
SZ		 199 { 0, 0, 0, 0, NULL }
200};
201
202
203/****************************************************************************/
204/* Supported Flash NVRAM device data. */
205/****************************************************************************/
206static const struct flash_spec flash_table[] =
207{
d0092544
SZ		 208#define BUFFERED_FLAGS (BCE_NV_BUFFERED | BCE_NV_TRANSLATE)
209#define NONBUFFERED_FLAGS (BCE_NV_WREN)
210
43c2aeb0
SZ		 211 /* Slow EEPROM */
212 {0x00000000, 0x40830380, 0x009f0081, 0xa184a053, 0xaf000400,
d0092544 213 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
43c2aeb0
SZ		 214 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
215 "EEPROM - slow"},
216 /* Expansion entry 0001 */
217 {0x08000002, 0x4b808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 218 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 219 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
220 "Entry 0001"},
221 /* Saifun SA25F010 (non-buffered flash) */
222 /* strap, cfg1, & write1 need updates */
223 {0x04000001, 0x47808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 224 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 225 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*2,
226 "Non-buffered flash (128kB)"},
227 /* Saifun SA25F020 (non-buffered flash) */
228 /* strap, cfg1, & write1 need updates */
229 {0x0c000003, 0x4f808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 230 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 231 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE*4,
232 "Non-buffered flash (256kB)"},
233 /* Expansion entry 0100 */
234 {0x11000000, 0x53808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 235 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 236 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
237 "Entry 0100"},
238 /* Entry 0101: ST M45PE10 (non-buffered flash, TetonII B0) */
239 {0x19000002, 0x5b808201, 0x000500db, 0x03840253, 0xaf020406,
d0092544 240 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 241 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*2,
242 "Entry 0101: ST M45PE10 (128kB non-bufferred)"},
243 /* Entry 0110: ST M45PE20 (non-buffered flash)*/
244 {0x15000001, 0x57808201, 0x000500db, 0x03840253, 0xaf020406,
d0092544 245 NONBUFFERED_FLAGS, ST_MICRO_FLASH_PAGE_BITS, ST_MICRO_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 246 ST_MICRO_FLASH_BYTE_ADDR_MASK, ST_MICRO_FLASH_BASE_TOTAL_SIZE*4,
247 "Entry 0110: ST M45PE20 (256kB non-bufferred)"},
248 /* Saifun SA25F005 (non-buffered flash) */
249 /* strap, cfg1, & write1 need updates */
250 {0x1d000003, 0x5f808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 251 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 252 SAIFUN_FLASH_BYTE_ADDR_MASK, SAIFUN_FLASH_BASE_TOTAL_SIZE,
253 "Non-buffered flash (64kB)"},
254 /* Fast EEPROM */
255 {0x22000000, 0x62808380, 0x009f0081, 0xa184a053, 0xaf000400,
d0092544 256 BUFFERED_FLAGS, SEEPROM_PAGE_BITS, SEEPROM_PAGE_SIZE,
43c2aeb0
SZ		 257 SEEPROM_BYTE_ADDR_MASK, SEEPROM_TOTAL_SIZE,
258 "EEPROM - fast"},
259 /* Expansion entry 1001 */
260 {0x2a000002, 0x6b808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 261 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 262 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
263 "Entry 1001"},
264 /* Expansion entry 1010 */
265 {0x26000001, 0x67808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 266 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 267 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
268 "Entry 1010"},
269 /* ATMEL AT45DB011B (buffered flash) */
270 {0x2e000003, 0x6e808273, 0x00570081, 0x68848353, 0xaf000400,
d0092544 271 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 272 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE,
273 "Buffered flash (128kB)"},
274 /* Expansion entry 1100 */
275 {0x33000000, 0x73808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 276 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 277 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
278 "Entry 1100"},
279 /* Expansion entry 1101 */
280 {0x3b000002, 0x7b808201, 0x00050081, 0x03840253, 0xaf020406,
d0092544 281 NONBUFFERED_FLAGS, SAIFUN_FLASH_PAGE_BITS, SAIFUN_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 282 SAIFUN_FLASH_BYTE_ADDR_MASK, 0,
283 "Entry 1101"},
284 /* Ateml Expansion entry 1110 */
285 {0x37000001, 0x76808273, 0x00570081, 0x68848353, 0xaf000400,
d0092544 286 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 287 BUFFERED_FLASH_BYTE_ADDR_MASK, 0,
288 "Entry 1110 (Atmel)"},
289 /* ATMEL AT45DB021B (buffered flash) */
290 {0x3f000003, 0x7e808273, 0x00570081, 0x68848353, 0xaf000400,
d0092544 291 BUFFERED_FLAGS, BUFFERED_FLASH_PAGE_BITS, BUFFERED_FLASH_PAGE_SIZE,
43c2aeb0
SZ		 292 BUFFERED_FLASH_BYTE_ADDR_MASK, BUFFERED_FLASH_TOTAL_SIZE*2,
293 "Buffered flash (256kB)"},
294};
295
d0092544
SZ		 296/*
297 * The BCM5709 controllers transparently handle the
298 * differences between Atmel 264 byte pages and all
299 * flash devices which use 256 byte pages, so no
300 * logical-to-physical mapping is required in the
301 * driver.
302 */
303static struct flash_spec flash_5709 = {
304 .flags = BCE_NV_BUFFERED,
305 .page_bits = BCM5709_FLASH_PAGE_BITS,
306 .page_size = BCM5709_FLASH_PAGE_SIZE,
307 .addr_mask = BCM5709_FLASH_BYTE_ADDR_MASK,
308 .total_size = BUFFERED_FLASH_TOTAL_SIZE * 2,
309 .name = "5709/5716 buffered flash (256kB)",
310};
311
43c2aeb0
SZ		 312
313/****************************************************************************/
314/* DragonFly device entry points. */
315/****************************************************************************/
316static int bce_probe(device_t);
317static int bce_attach(device_t);
318static int bce_detach(device_t);
319static void bce_shutdown(device_t);
320
321/****************************************************************************/
322/* BCE Debug Data Structure Dump Routines */
323/****************************************************************************/
324#ifdef BCE_DEBUG
325static void bce_dump_mbuf(struct bce_softc *, struct mbuf *);
43c2aeb0
SZ		 326static void bce_dump_rx_mbuf_chain(struct bce_softc *, int, int);
327static void bce_dump_txbd(struct bce_softc *, int, struct tx_bd *);
328static void bce_dump_rxbd(struct bce_softc *, int, struct rx_bd *);
329static void bce_dump_l2fhdr(struct bce_softc *, int,
330 struct l2_fhdr *) __unused;
331static void bce_dump_tx_chain(struct bce_softc *, int, int);
332static void bce_dump_rx_chain(struct bce_softc *, int, int);
333static void bce_dump_status_block(struct bce_softc *);
334static void bce_dump_driver_state(struct bce_softc *);
335static void bce_dump_stats_block(struct bce_softc *) __unused;
336static void bce_dump_hw_state(struct bce_softc *);
337static void bce_dump_txp_state(struct bce_softc *);
338static void bce_dump_rxp_state(struct bce_softc *) __unused;
339static void bce_dump_tpat_state(struct bce_softc *) __unused;
340static void bce_freeze_controller(struct bce_softc *) __unused;
341static void bce_unfreeze_controller(struct bce_softc *) __unused;
342static void bce_breakpoint(struct bce_softc *);
343#endif /* BCE_DEBUG */
344
345
346/****************************************************************************/
347/* BCE Register/Memory Access Routines */
348/****************************************************************************/
349static uint32_t bce_reg_rd_ind(struct bce_softc *, uint32_t);
350static void bce_reg_wr_ind(struct bce_softc *, uint32_t, uint32_t);
bc30d40d
SZ		 351static void bce_shmem_wr(struct bce_softc *, uint32_t, uint32_t);
352static uint32_t bce_shmem_rd(struct bce_softc *, u32);
43c2aeb0
SZ		 353static void bce_ctx_wr(struct bce_softc *, uint32_t, uint32_t, uint32_t);
354static int bce_miibus_read_reg(device_t, int, int);
355static int bce_miibus_write_reg(device_t, int, int, int);
356static void bce_miibus_statchg(device_t);
357
358
359/****************************************************************************/
360/* BCE NVRAM Access Routines */
361/****************************************************************************/
362static int bce_acquire_nvram_lock(struct bce_softc *);
363static int bce_release_nvram_lock(struct bce_softc *);
364static void bce_enable_nvram_access(struct bce_softc *);
365static void bce_disable_nvram_access(struct bce_softc *);
366static int bce_nvram_read_dword(struct bce_softc *, uint32_t, uint8_t *,
367 uint32_t);
368static int bce_init_nvram(struct bce_softc *);
369static int bce_nvram_read(struct bce_softc *, uint32_t, uint8_t *, int);
370static int bce_nvram_test(struct bce_softc *);
43c2aeb0
SZ		 371
372/****************************************************************************/
373/* BCE DMA Allocate/Free Routines */
374/****************************************************************************/
375static int bce_dma_alloc(struct bce_softc *);
376static void bce_dma_free(struct bce_softc *);
377static void bce_dma_map_addr(void *, bus_dma_segment_t *, int, int);
43c2aeb0
SZ		 378
379/****************************************************************************/
380/* BCE Firmware Synchronization and Load */
381/****************************************************************************/
382static int bce_fw_sync(struct bce_softc *, uint32_t);
383static void bce_load_rv2p_fw(struct bce_softc *, uint32_t *,
384 uint32_t, uint32_t);
385static void bce_load_cpu_fw(struct bce_softc *, struct cpu_reg *,
386 struct fw_info *);
5d05a208
SZ		 387static void bce_start_cpu(struct bce_softc *, struct cpu_reg *);
388static void bce_halt_cpu(struct bce_softc *, struct cpu_reg *);
389static void bce_start_rxp_cpu(struct bce_softc *);
d0092544
SZ		 390static void bce_init_rxp_cpu(struct bce_softc *);
391static void bce_init_txp_cpu(struct bce_softc *);
392static void bce_init_tpat_cpu(struct bce_softc *);
393static void bce_init_cp_cpu(struct bce_softc *);
394static void bce_init_com_cpu(struct bce_softc *);
43c2aeb0
SZ		 395static void bce_init_cpus(struct bce_softc *);
396
397static void bce_stop(struct bce_softc *);
398static int bce_reset(struct bce_softc *, uint32_t);
399static int bce_chipinit(struct bce_softc *);
400static int bce_blockinit(struct bce_softc *);
c36fd9ee
SZ		 401static int bce_newbuf_std(struct bce_softc *, uint16_t *, uint16_t *,
402 uint32_t *, int);
314a2fcc 403static void bce_setup_rxdesc_std(struct bce_softc *, uint16_t, uint32_t *);
d0092544
SZ		 404static void bce_probe_pci_caps(struct bce_softc *);
405static void bce_print_adapter_info(struct bce_softc *);
406static void bce_get_media(struct bce_softc *);
43c2aeb0 407
d0092544 408static void bce_init_tx_context(struct bce_softc *);
43c2aeb0 409static int bce_init_tx_chain(struct bce_softc *);
d0092544 410static void bce_init_rx_context(struct bce_softc *);
43c2aeb0
SZ		 411static int bce_init_rx_chain(struct bce_softc *);
412static void bce_free_rx_chain(struct bce_softc *);
413static void bce_free_tx_chain(struct bce_softc *);
414
415static int bce_encap(struct bce_softc *, struct mbuf **);
eefd160d
SZ		 416static int bce_tso_setup(struct bce_softc *, struct mbuf **,
417 uint16_t *, uint16_t *);
43c2aeb0
SZ		 418static void bce_start(struct ifnet *);
419static int bce_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
420static void bce_watchdog(struct ifnet *);
421static int bce_ifmedia_upd(struct ifnet *);
422static void bce_ifmedia_sts(struct ifnet *, struct ifmediareq *);
423static void bce_init(void *);
424static void bce_mgmt_init(struct bce_softc *);
425
5b609aa3 426static int bce_init_ctx(struct bce_softc *);
43c2aeb0
SZ		 427static void bce_get_mac_addr(struct bce_softc *);
428static void bce_set_mac_addr(struct bce_softc *);
429static void bce_phy_intr(struct bce_softc *);
a5eaa4bf
SZ		 430static void bce_rx_intr(struct bce_softc *, int, uint16_t);
431static void bce_tx_intr(struct bce_softc *, uint16_t);
43c2aeb0 432static void bce_disable_intr(struct bce_softc *);
d4274f6b
SZ		 433static void bce_enable_intr(struct bce_softc *);
434static void bce_reenable_intr(struct bce_softc *);
43c2aeb0
SZ		 435
436#ifdef DEVICE_POLLING
437static void bce_poll(struct ifnet *, enum poll_cmd, int);
438#endif
eac57ffb
SZ		 439static void bce_intr(struct bce_softc *);
440static void bce_intr_legacy(void *);
441static void bce_intr_msi(void *);
442static void bce_intr_msi_oneshot(void *);
43c2aeb0
SZ		 443static void bce_set_rx_mode(struct bce_softc *);
444static void bce_stats_update(struct bce_softc *);
445static void bce_tick(void *);
446static void bce_tick_serialized(struct bce_softc *);
d0092544 447static void bce_pulse(void *);
28ef7645 448static void bce_check_msi(void *);
43c2aeb0
SZ		 449static void bce_add_sysctls(struct bce_softc *);
450
bdeb8fff
SZ		 451static void bce_coal_change(struct bce_softc *);
452static int bce_sysctl_tx_bds_int(SYSCTL_HANDLER_ARGS);
453static int bce_sysctl_tx_bds(SYSCTL_HANDLER_ARGS);
454static int bce_sysctl_tx_ticks_int(SYSCTL_HANDLER_ARGS);
455static int bce_sysctl_tx_ticks(SYSCTL_HANDLER_ARGS);
456static int bce_sysctl_rx_bds_int(SYSCTL_HANDLER_ARGS);
457static int bce_sysctl_rx_bds(SYSCTL_HANDLER_ARGS);
458static int bce_sysctl_rx_ticks_int(SYSCTL_HANDLER_ARGS);
459static int bce_sysctl_rx_ticks(SYSCTL_HANDLER_ARGS);
460static int bce_sysctl_coal_change(SYSCTL_HANDLER_ARGS,
461 uint32_t *, uint32_t);
462
3fb4bb6c
SZ		 463/*
464 * NOTE:
465 * Don't set bce_tx_ticks_int/bce_tx_ticks to 1023. Linux's bnx2
466 * takes 1023 as the TX ticks limit. However, using 1023 will
467 * cause 5708(B2) to generate extra interrupts (~2000/s) even when
468 * there is _no_ network activity on the NIC.
3fb4bb6c
SZ		 469 */
470static uint32_t bce_tx_bds_int = 255; /* bcm: 20 */
471static uint32_t bce_tx_bds = 255; /* bcm: 20 */
472static uint32_t bce_tx_ticks_int = 1022; /* bcm: 80 */
473static uint32_t bce_tx_ticks = 1022; /* bcm: 80 */
1af951ab
SZ		 474static uint32_t bce_rx_bds_int = 128; /* bcm: 6 */
475static uint32_t bce_rx_bds = 128; /* bcm: 6 */
2b3bab8a
SZ		 476static uint32_t bce_rx_ticks_int = 150; /* bcm: 18 */
477static uint32_t bce_rx_ticks = 150; /* bcm: 18 */
bdeb8fff 478
83ce3dce
SZ		 479static int bce_msi_enable = 1;
480
4b166d4e
SZ		 481static int bce_rx_pages = RX_PAGES_DEFAULT;
482static int bce_tx_pages = TX_PAGES_DEFAULT;
483
bdeb8fff
SZ		 484TUNABLE_INT("hw.bce.tx_bds_int", &bce_tx_bds_int);
485TUNABLE_INT("hw.bce.tx_bds", &bce_tx_bds);
486TUNABLE_INT("hw.bce.tx_ticks_int", &bce_tx_ticks_int);
487TUNABLE_INT("hw.bce.tx_ticks", &bce_tx_ticks);
488TUNABLE_INT("hw.bce.rx_bds_int", &bce_rx_bds_int);
489TUNABLE_INT("hw.bce.rx_bds", &bce_rx_bds);
490TUNABLE_INT("hw.bce.rx_ticks_int", &bce_rx_ticks_int);
491TUNABLE_INT("hw.bce.rx_ticks", &bce_rx_ticks);
83ce3dce 492TUNABLE_INT("hw.bce.msi.enable", &bce_msi_enable);
4b166d4e
SZ		 493TUNABLE_INT("hw.bce.rx_pages", &bce_rx_pages);
494TUNABLE_INT("hw.bce.tx_pages", &bce_tx_pages);
43c2aeb0
SZ		 495
496/****************************************************************************/
497/* DragonFly device dispatch table. */
498/****************************************************************************/
499static device_method_t bce_methods[] = {
500 /* Device interface */
501 DEVMETHOD(device_probe, bce_probe),
502 DEVMETHOD(device_attach, bce_attach),
503 DEVMETHOD(device_detach, bce_detach),
504 DEVMETHOD(device_shutdown, bce_shutdown),
505
506 /* bus interface */
507 DEVMETHOD(bus_print_child, bus_generic_print_child),
508 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
509
510 /* MII interface */
511 DEVMETHOD(miibus_readreg, bce_miibus_read_reg),
512 DEVMETHOD(miibus_writereg, bce_miibus_write_reg),
513 DEVMETHOD(miibus_statchg, bce_miibus_statchg),
514
515 { 0, 0 }
516};
517
518static driver_t bce_driver = {
519 "bce",
520 bce_methods,
521 sizeof(struct bce_softc)
522};
523
524static devclass_t bce_devclass;
525
43c2aeb0 526
d0092544 527DECLARE_DUMMY_MODULE(if_bce);
1be78fa8 528MODULE_DEPEND(bce, miibus, 1, 1, 1);
aa2b9d05
SW		 529DRIVER_MODULE(if_bce, pci, bce_driver, bce_devclass, NULL, NULL);
530DRIVER_MODULE(miibus, bce, miibus_driver, miibus_devclass, NULL, NULL);
43c2aeb0
SZ		 531
532
533/****************************************************************************/
534/* Device probe function. */
535/* */
536/* Compares the device to the driver's list of supported devices and */
537/* reports back to the OS whether this is the right driver for the device. */
538/* */
539/* Returns: */
540/* BUS_PROBE_DEFAULT on success, positive value on failure. */
541/****************************************************************************/
542static int
543bce_probe(device_t dev)
544{
545 struct bce_type *t;
546 uint16_t vid, did, svid, sdid;
547
548 /* Get the data for the device to be probed. */
549 vid = pci_get_vendor(dev);
550 did = pci_get_device(dev);
551 svid = pci_get_subvendor(dev);
552 sdid = pci_get_subdevice(dev);
553
554 /* Look through the list of known devices for a match. */
555 for (t = bce_devs; t->bce_name != NULL; ++t) {
556 if (vid == t->bce_vid && did == t->bce_did &&
557 (svid == t->bce_svid || t->bce_svid == PCI_ANY_ID) &&
558 (sdid == t->bce_sdid || t->bce_sdid == PCI_ANY_ID)) {
559 uint32_t revid = pci_read_config(dev, PCIR_REVID, 4);
560 char *descbuf;
561
562 descbuf = kmalloc(BCE_DEVDESC_MAX, M_TEMP, M_WAITOK);
563
564 /* Print out the device identity. */
565 ksnprintf(descbuf, BCE_DEVDESC_MAX, "%s (%c%d)",
566 t->bce_name,
567 ((revid & 0xf0) >> 4) + 'A', revid & 0xf);
568
569 device_set_desc_copy(dev, descbuf);
570 kfree(descbuf, M_TEMP);
571 return 0;
572 }
573 }
574 return ENXIO;
575}
576
577
578/****************************************************************************/
d0092544
SZ		 579/* PCI Capabilities Probe Function. */
580/* */
581/* Walks the PCI capabiites list for the device to find what features are */
582/* supported. */
583/* */
584/* Returns: */
585/* None. */
586/****************************************************************************/
587static void
588bce_print_adapter_info(struct bce_softc *sc)
589{
590 device_printf(sc->bce_dev, "ASIC (0x%08X); ", sc->bce_chipid);
591
592 kprintf("Rev (%c%d); ", ((BCE_CHIP_ID(sc) & 0xf000) >> 12) + 'A',
593 ((BCE_CHIP_ID(sc) & 0x0ff0) >> 4));
594
595 /* Bus info. */
596 if (sc->bce_flags & BCE_PCIE_FLAG) {
597 kprintf("Bus (PCIe x%d, ", sc->link_width);
598 switch (sc->link_speed) {
599 case 1:
600 kprintf("2.5Gbps); ");
601 break;
602 case 2:
603 kprintf("5Gbps); ");
604 break;
605 default:
606 kprintf("Unknown link speed); ");
607 break;
608 }
609 } else {
610 kprintf("Bus (PCI%s, %s, %dMHz); ",
611 ((sc->bce_flags & BCE_PCIX_FLAG) ? "-X" : ""),
612 ((sc->bce_flags & BCE_PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
613 sc->bus_speed_mhz);
614 }
615
616 /* Firmware version and device features. */
bc30d40d 617 kprintf("B/C (%s)", sc->bce_bc_ver);
cff16e71
SZ		 618
619 if ((sc->bce_flags & BCE_MFW_ENABLE_FLAG) ||
620 (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)) {
621 kprintf("; Flags(");
622 if (sc->bce_flags & BCE_MFW_ENABLE_FLAG)
bc30d40d 623 kprintf("MFW[%s]", sc->bce_mfw_ver);
cff16e71
SZ		 624 if (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
625 kprintf(" 2.5G");
626 kprintf(")");
627 }
628 kprintf("\n");
d0092544
SZ		 629}
630
631
632/****************************************************************************/
633/* PCI Capabilities Probe Function. */
634/* */
635/* Walks the PCI capabiites list for the device to find what features are */
636/* supported. */
637/* */
638/* Returns: */
639/* None. */
640/****************************************************************************/
641static void
642bce_probe_pci_caps(struct bce_softc *sc)
643{
644 device_t dev = sc->bce_dev;
645 uint8_t ptr;
646
647 if (pci_is_pcix(dev))
648 sc->bce_cap_flags |= BCE_PCIX_CAPABLE_FLAG;
649
650 ptr = pci_get_pciecap_ptr(dev);
651 if (ptr) {
652 uint16_t link_status = pci_read_config(dev, ptr + 0x12, 2);
653
654 sc->link_speed = link_status & 0xf;
655 sc->link_width = (link_status >> 4) & 0x3f;
656 sc->bce_cap_flags |= BCE_PCIE_CAPABLE_FLAG;
657 sc->bce_flags |= BCE_PCIE_FLAG;
658 }
659}
660
661
662/****************************************************************************/
43c2aeb0
SZ		 663/* Device attach function. */
664/* */
665/* Allocates device resources, performs secondary chip identification, */
666/* resets and initializes the hardware, and initializes driver instance */
667/* variables. */
668/* */
669/* Returns: */
670/* 0 on success, positive value on failure. */
671/****************************************************************************/
672static int
673bce_attach(device_t dev)
674{
675 struct bce_softc *sc = device_get_softc(dev);
676 struct ifnet *ifp = &sc->arpcom.ac_if;
677 uint32_t val;
83ce3dce 678 u_int irq_flags;
eac57ffb 679 void (*irq_handle)(void *);
7fb43956 680 int rid, rc = 0;
bc30d40d 681 int i, j;
f31c6e4d
SZ		 682 struct mii_probe_args mii_args;
683 uintptr_t mii_priv = 0;
43c2aeb0
SZ		 684
685 sc->bce_dev = dev;
686 if_initname(ifp, device_get_name(dev), device_get_unit(dev));
687
688 pci_enable_busmaster(dev);
689
d0092544
SZ		 690 bce_probe_pci_caps(sc);
691
43c2aeb0
SZ		 692 /* Allocate PCI memory resources. */
693 rid = PCIR_BAR(0);
694 sc->bce_res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
695 RF_ACTIVE | PCI_RF_DENSE);
696 if (sc->bce_res_mem == NULL) {
697 device_printf(dev, "PCI memory allocation failed\n");
698 return ENXIO;
699 }
700 sc->bce_btag = rman_get_bustag(sc->bce_res_mem);
701 sc->bce_bhandle = rman_get_bushandle(sc->bce_res_mem);
702
703 /* Allocate PCI IRQ resources. */
7fb43956
SZ		 704 sc->bce_irq_type = pci_alloc_1intr(dev, bce_msi_enable,
705 &sc->bce_irq_rid, &irq_flags);
83ce3dce
SZ		 706
707 sc->bce_res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
708 &sc->bce_irq_rid, irq_flags);
43c2aeb0
SZ		 709 if (sc->bce_res_irq == NULL) {
710 device_printf(dev, "PCI map interrupt failed\n");
711 rc = ENXIO;
712 goto fail;
713 }
714
715 /*
716 * Configure byte swap and enable indirect register access.
717 * Rely on CPU to do target byte swapping on big endian systems.
718 * Access to registers outside of PCI configurtion space are not
719 * valid until this is done.
720 */
721 pci_write_config(dev, BCE_PCICFG_MISC_CONFIG,
722 BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
723 BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP, 4);
724
725 /* Save ASIC revsion info. */
726 sc->bce_chipid = REG_RD(sc, BCE_MISC_ID);
727
728 /* Weed out any non-production controller revisions. */
bc30d40d 729 switch (BCE_CHIP_ID(sc)) {
43c2aeb0
SZ		 730 case BCE_CHIP_ID_5706_A0:
731 case BCE_CHIP_ID_5706_A1:
732 case BCE_CHIP_ID_5708_A0:
733 case BCE_CHIP_ID_5708_B0:
d0092544
SZ		 734 case BCE_CHIP_ID_5709_A0:
735 case BCE_CHIP_ID_5709_B0:
736 case BCE_CHIP_ID_5709_B1:
737#ifdef foo
738 /* 5709C B2 seems to work fine */
739 case BCE_CHIP_ID_5709_B2:
740#endif
43c2aeb0
SZ		 741 device_printf(dev, "Unsupported chip id 0x%08x!\n",
742 BCE_CHIP_ID(sc));
743 rc = ENODEV;
744 goto fail;
745 }
746
f31c6e4d
SZ		 747 mii_priv |= BRGPHY_FLAG_WIRESPEED;
748 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) {
749 if (BCE_CHIP_REV(sc) == BCE_CHIP_REV_Ax ||
750 BCE_CHIP_REV(sc) == BCE_CHIP_REV_Bx)
751 mii_priv |= BRGPHY_FLAG_NO_EARLYDAC;
752 } else {
753 mii_priv |= BRGPHY_FLAG_BER_BUG;
754 }
755
eac57ffb
SZ		 756 if (sc->bce_irq_type == PCI_INTR_TYPE_LEGACY) {
757 irq_handle = bce_intr_legacy;
758 } else if (sc->bce_irq_type == PCI_INTR_TYPE_MSI) {
eac57ffb
SZ		 759 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709) {
760 irq_handle = bce_intr_msi_oneshot;
761 sc->bce_flags |= BCE_ONESHOT_MSI_FLAG;
28ef7645
SZ		 762 } else {
763 irq_handle = bce_intr_msi;
764 sc->bce_flags |= BCE_CHECK_MSI_FLAG;
eac57ffb
SZ		 765 }
766 } else {
ed20d0e3 767 panic("%s: unsupported intr type %d",
eac57ffb
SZ		 768 device_get_nameunit(dev), sc->bce_irq_type);
769 }
770
43c2aeb0
SZ		 771 /*
772 * Find the base address for shared memory access.
773 * Newer versions of bootcode use a signature and offset
774 * while older versions use a fixed address.
775 */
776 val = REG_RD_IND(sc, BCE_SHM_HDR_SIGNATURE);
d0092544
SZ		 777 if ((val & BCE_SHM_HDR_SIGNATURE_SIG_MASK) ==
778 BCE_SHM_HDR_SIGNATURE_SIG) {
779 /* Multi-port devices use different offsets in shared memory. */
780 sc->bce_shmem_base = REG_RD_IND(sc,
781 BCE_SHM_HDR_ADDR_0 + (pci_get_function(sc->bce_dev) << 2));
782 } else {
43c2aeb0 783 sc->bce_shmem_base = HOST_VIEW_SHMEM_BASE;
d0092544 784 }
43c2aeb0
SZ		 785 DBPRINT(sc, BCE_INFO, "bce_shmem_base = 0x%08X\n", sc->bce_shmem_base);
786
d0092544 787 /* Fetch the bootcode revision. */
bc30d40d
SZ		 788 val = bce_shmem_rd(sc, BCE_DEV_INFO_BC_REV);
789 for (i = 0, j = 0; i < 3; i++) {
790 uint8_t num;
791 int k, skip0;
792
793 num = (uint8_t)(val >> (24 - (i * 8)));
794 for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
795 if (num >= k || !skip0 || k == 1) {
796 sc->bce_bc_ver[j++] = (num / k) + '0';
797 skip0 = 0;
798 }
799 }
800 if (i != 2)
801 sc->bce_bc_ver[j++] = '.';
802 }
d0092544 803
bc30d40d
SZ		 804 /* Check if any management firwmare is running. */
805 val = bce_shmem_rd(sc, BCE_PORT_FEATURE);
806 if (val & BCE_PORT_FEATURE_ASF_ENABLED) {
d0092544
SZ		 807 sc->bce_flags |= BCE_MFW_ENABLE_FLAG;
808
bc30d40d
SZ		 809 /* Allow time for firmware to enter the running state. */
810 for (i = 0; i < 30; i++) {
811 val = bce_shmem_rd(sc, BCE_BC_STATE_CONDITION);
812 if (val & BCE_CONDITION_MFW_RUN_MASK)
813 break;
814 DELAY(10000);
815 }
816 }
817
818 /* Check the current bootcode state. */
819 val = bce_shmem_rd(sc, BCE_BC_STATE_CONDITION) &
820 BCE_CONDITION_MFW_RUN_MASK;
821 if (val != BCE_CONDITION_MFW_RUN_UNKNOWN &&
822 val != BCE_CONDITION_MFW_RUN_NONE) {
823 uint32_t addr = bce_shmem_rd(sc, BCE_MFW_VER_PTR);
824
825 for (i = 0, j = 0; j < 3; j++) {
826 val = bce_reg_rd_ind(sc, addr + j * 4);
827 val = bswap32(val);
828 memcpy(&sc->bce_mfw_ver[i], &val, 4);
829 i += 4;
830 }
831 }
832
43c2aeb0
SZ		 833 /* Get PCI bus information (speed and type). */
834 val = REG_RD(sc, BCE_PCICFG_MISC_STATUS);
835 if (val & BCE_PCICFG_MISC_STATUS_PCIX_DET) {
836 uint32_t clkreg;
837
838 sc->bce_flags |= BCE_PCIX_FLAG;
839
840 clkreg = REG_RD(sc, BCE_PCICFG_PCI_CLOCK_CONTROL_BITS) &
841 BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET;
842 switch (clkreg) {
843 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_133MHZ:
844 sc->bus_speed_mhz = 133;
845 break;
846
847 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_95MHZ:
848 sc->bus_speed_mhz = 100;
849 break;
850
851 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_66MHZ:
852 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_80MHZ:
853 sc->bus_speed_mhz = 66;
854 break;
855
856 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_48MHZ:
857 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_55MHZ:
858 sc->bus_speed_mhz = 50;
859 break;
860
861 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_LOW:
862 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_32MHZ:
863 case BCE_PCICFG_PCI_CLOCK_CONTROL_BITS_PCI_CLK_SPD_DET_38MHZ:
864 sc->bus_speed_mhz = 33;
865 break;
866 }
867 } else {
868 if (val & BCE_PCICFG_MISC_STATUS_M66EN)
869 sc->bus_speed_mhz = 66;
870 else
871 sc->bus_speed_mhz = 33;
872 }
873
874 if (val & BCE_PCICFG_MISC_STATUS_32BIT_DET)
875 sc->bce_flags |= BCE_PCI_32BIT_FLAG;
876
43c2aeb0
SZ		 877 /* Reset the controller. */
878 rc = bce_reset(sc, BCE_DRV_MSG_CODE_RESET);
879 if (rc != 0)
880 goto fail;
881
882 /* Initialize the controller. */
883 rc = bce_chipinit(sc);
884 if (rc != 0) {
885 device_printf(dev, "Controller initialization failed!\n");
886 goto fail;
887 }
888
889 /* Perform NVRAM test. */
890 rc = bce_nvram_test(sc);
891 if (rc != 0) {
892 device_printf(dev, "NVRAM test failed!\n");
893 goto fail;
894 }
895
896 /* Fetch the permanent Ethernet MAC address. */
897 bce_get_mac_addr(sc);
898
899 /*
900 * Trip points control how many BDs
901 * should be ready before generating an
902 * interrupt while ticks control how long
903 * a BD can sit in the chain before
904 * generating an interrupt. Set the default
905 * values for the RX and TX rings.
906 */
907
908#ifdef BCE_DRBUG
909 /* Force more frequent interrupts. */
910 sc->bce_tx_quick_cons_trip_int = 1;
911 sc->bce_tx_quick_cons_trip = 1;
912 sc->bce_tx_ticks_int = 0;
913 sc->bce_tx_ticks = 0;
914
915 sc->bce_rx_quick_cons_trip_int = 1;
916 sc->bce_rx_quick_cons_trip = 1;
917 sc->bce_rx_ticks_int = 0;
918 sc->bce_rx_ticks = 0;
919#else
bdeb8fff
SZ		 920 sc->bce_tx_quick_cons_trip_int = bce_tx_bds_int;
921 sc->bce_tx_quick_cons_trip = bce_tx_bds;
922 sc->bce_tx_ticks_int = bce_tx_ticks_int;
923 sc->bce_tx_ticks = bce_tx_ticks;
924
925 sc->bce_rx_quick_cons_trip_int = bce_rx_bds_int;
926 sc->bce_rx_quick_cons_trip = bce_rx_bds;
927 sc->bce_rx_ticks_int = bce_rx_ticks_int;
928 sc->bce_rx_ticks = bce_rx_ticks;
43c2aeb0
SZ		 929#endif
930
931 /* Update statistics once every second. */
932 sc->bce_stats_ticks = 1000000 & 0xffff00;
933
d0092544
SZ		 934 /* Find the media type for the adapter. */
935 bce_get_media(sc);
43c2aeb0
SZ		 936
937 /* Allocate DMA memory resources. */
938 rc = bce_dma_alloc(sc);
939 if (rc != 0) {
940 device_printf(dev, "DMA resource allocation failed!\n");
941 goto fail;
942 }
943
944 /* Initialize the ifnet interface. */
945 ifp->if_softc = sc;
946 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
947 ifp->if_ioctl = bce_ioctl;
948 ifp->if_start = bce_start;
949 ifp->if_init = bce_init;
950 ifp->if_watchdog = bce_watchdog;
951#ifdef DEVICE_POLLING
952 ifp->if_poll = bce_poll;
953#endif
954 ifp->if_mtu = ETHERMTU;
eefd160d 955 ifp->if_hwassist = BCE_CSUM_FEATURES | CSUM_TSO;
43c2aeb0
SZ		 956 ifp->if_capabilities = BCE_IF_CAPABILITIES;
957 ifp->if_capenable = ifp->if_capabilities;
4b166d4e 958 ifq_set_maxlen(&ifp->if_snd, USABLE_TX_BD(sc));
43c2aeb0
SZ		 959 ifq_set_ready(&ifp->if_snd);
960
961 if (sc->bce_phy_flags & BCE_PHY_2_5G_CAPABLE_FLAG)
962 ifp->if_baudrate = IF_Gbps(2.5);
963 else
964 ifp->if_baudrate = IF_Gbps(1);
965
966 /* Assume a standard 1500 byte MTU size for mbuf allocations. */
967 sc->mbuf_alloc_size = MCLBYTES;
968
f31c6e4d
SZ		 969 /*
970 * Look for our PHY.
971 */
972 mii_probe_args_init(&mii_args, bce_ifmedia_upd, bce_ifmedia_sts);
973 mii_args.mii_probemask = 1 << sc->bce_phy_addr;
974 mii_args.mii_privtag = MII_PRIVTAG_BRGPHY;
975 mii_args.mii_priv = mii_priv;
976
977 rc = mii_probe(dev, &sc->bce_miibus, &mii_args);
43c2aeb0
SZ		 978 if (rc != 0) {
979 device_printf(dev, "PHY probe failed!\n");
980 goto fail;
981 }
982
983 /* Attach to the Ethernet interface list. */
984 ether_ifattach(ifp, sc->eaddr, NULL);
985
6ac77363
SZ		 986 callout_init_mp(&sc->bce_tick_callout);
987 callout_init_mp(&sc->bce_pulse_callout);
28ef7645 988 callout_init_mp(&sc->bce_ckmsi_callout);
43c2aeb0
SZ		 989
990 /* Hookup IRQ last. */
eac57ffb 991 rc = bus_setup_intr(dev, sc->bce_res_irq, INTR_MPSAFE, irq_handle, sc,
43c2aeb0
SZ		 992 &sc->bce_intrhand, ifp->if_serializer);
993 if (rc != 0) {
994 device_printf(dev, "Failed to setup IRQ!\n");
995 ether_ifdetach(ifp);
996 goto fail;
997 }
998
733403d6 999 ifp->if_cpuid = rman_get_cpuid(sc->bce_res_irq);
9db4b353 1000 KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
28ef7645 1001 sc->bce_intr_cpuid = ifp->if_cpuid;
9db4b353 1002
43c2aeb0
SZ		 1003 /* Print some important debugging info. */
1004 DBRUN(BCE_INFO, bce_dump_driver_state(sc));
1005
1006 /* Add the supported sysctls to the kernel. */
1007 bce_add_sysctls(sc);
1008
d0092544
SZ		 1009 /*
1010 * The chip reset earlier notified the bootcode that
1011 * a driver is present. We now need to start our pulse
1012 * routine so that the bootcode is reminded that we're
1013 * still running.
1014 */
1015 bce_pulse(sc);
1016
43c2aeb0
SZ		 1017 /* Get the firmware running so IPMI still works */
1018 bce_mgmt_init(sc);
1019
b51a4d98
SZ		 1020 if (bootverbose)
1021 bce_print_adapter_info(sc);
d0092544 1022
43c2aeb0
SZ		 1023 return 0;
1024fail:
1025 bce_detach(dev);
1026 return(rc);
1027}
1028
1029
1030/****************************************************************************/
1031/* Device detach function. */
1032/* */
1033/* Stops the controller, resets the controller, and releases resources. */
1034/* */
1035/* Returns: */
1036/* 0 on success, positive value on failure. */
1037/****************************************************************************/
1038static int
1039bce_detach(device_t dev)
1040{
1041 struct bce_softc *sc = device_get_softc(dev);
1042
1043 if (device_is_attached(dev)) {
1044 struct ifnet *ifp = &sc->arpcom.ac_if;
d0092544 1045 uint32_t msg;
43c2aeb0
SZ		 1046
1047 /* Stop and reset the controller. */
1048 lwkt_serialize_enter(ifp->if_serializer);
d0092544 1049 callout_stop(&sc->bce_pulse_callout);
43c2aeb0 1050 bce_stop(sc);
d0092544
SZ		 1051 if (sc->bce_flags & BCE_NO_WOL_FLAG)
1052 msg = BCE_DRV_MSG_CODE_UNLOAD_LNK_DN;
1053 else
1054 msg = BCE_DRV_MSG_CODE_UNLOAD;
1055 bce_reset(sc, msg);
43c2aeb0
SZ		 1056 bus_teardown_intr(dev, sc->bce_res_irq, sc->bce_intrhand);
1057 lwkt_serialize_exit(ifp->if_serializer);
1058
1059 ether_ifdetach(ifp);
1060 }
1061
1062 /* If we have a child device on the MII bus remove it too. */
1063 if (sc->bce_miibus)
1064 device_delete_child(dev, sc->bce_miibus);
1065 bus_generic_detach(dev);
1066
1067 if (sc->bce_res_irq != NULL) {
83ce3dce
SZ		 1068 bus_release_resource(dev, SYS_RES_IRQ, sc->bce_irq_rid,
1069 sc->bce_res_irq);
43c2aeb0
SZ		 1070 }
1071
7fb43956 1072 if (sc->bce_irq_type == PCI_INTR_TYPE_MSI)
43c2aeb0 1073 pci_release_msi(dev);
43c2aeb0
SZ		 1074
1075 if (sc->bce_res_mem != NULL) {
1076 bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0),
1077 sc->bce_res_mem);
1078 }
1079
1080 bce_dma_free(sc);
1081
1082 if (sc->bce_sysctl_tree != NULL)
1083 sysctl_ctx_free(&sc->bce_sysctl_ctx);
1084
1085 return 0;
1086}
1087
1088
1089/****************************************************************************/
1090/* Device shutdown function. */
1091/* */
1092/* Stops and resets the controller. */
1093/* */
1094/* Returns: */
1095/* Nothing */
1096/****************************************************************************/
1097static void
1098bce_shutdown(device_t dev)
1099{
1100 struct bce_softc *sc = device_get_softc(dev);
1101 struct ifnet *ifp = &sc->arpcom.ac_if;
d0092544 1102 uint32_t msg;
43c2aeb0
SZ		 1103
1104 lwkt_serialize_enter(ifp->if_serializer);
1105 bce_stop(sc);
d0092544
SZ		 1106 if (sc->bce_flags & BCE_NO_WOL_FLAG)
1107 msg = BCE_DRV_MSG_CODE_UNLOAD_LNK_DN;
1108 else
1109 msg = BCE_DRV_MSG_CODE_UNLOAD;
1110 bce_reset(sc, msg);
43c2aeb0
SZ		 1111 lwkt_serialize_exit(ifp->if_serializer);
1112}
1113
1114
1115/****************************************************************************/
1116/* Indirect register read. */
1117/* */
1118/* Reads NetXtreme II registers using an index/data register pair in PCI */
1119/* configuration space. Using this mechanism avoids issues with posted */
1120/* reads but is much slower than memory-mapped I/O. */
1121/* */
1122/* Returns: */
1123/* The value of the register. */
1124/****************************************************************************/
1125static uint32_t
1126bce_reg_rd_ind(struct bce_softc *sc, uint32_t offset)
1127{
1128 device_t dev = sc->bce_dev;
1129
1130 pci_write_config(dev, BCE_PCICFG_REG_WINDOW_ADDRESS, offset, 4);
1131#ifdef BCE_DEBUG
1132 {
1133 uint32_t val;
1134 val = pci_read_config(dev, BCE_PCICFG_REG_WINDOW, 4);
1135 DBPRINT(sc, BCE_EXCESSIVE,
1136 "%s(); offset = 0x%08X, val = 0x%08X\n",
1137 __func__, offset, val);
1138 return val;
1139 }
1140#else
1141 return pci_read_config(dev, BCE_PCICFG_REG_WINDOW, 4);
1142#endif
1143}
1144
1145
1146/****************************************************************************/
1147/* Indirect register write. */
1148/* */
1149/* Writes NetXtreme II registers using an index/data register pair in PCI */
1150/* configuration space. Using this mechanism avoids issues with posted */
1151/* writes but is muchh slower than memory-mapped I/O. */
1152/* */
1153/* Returns: */
1154/* Nothing. */
1155/****************************************************************************/
1156static void
1157bce_reg_wr_ind(struct bce_softc *sc, uint32_t offset, uint32_t val)
1158{
1159 device_t dev = sc->bce_dev;
1160
1161 DBPRINT(sc, BCE_EXCESSIVE, "%s(); offset = 0x%08X, val = 0x%08X\n",
1162 __func__, offset, val);
1163
1164 pci_write_config(dev, BCE_PCICFG_REG_WINDOW_ADDRESS, offset, 4);
1165 pci_write_config(dev, BCE_PCICFG_REG_WINDOW, val, 4);
1166}
1167
1168
1169/****************************************************************************/
bc30d40d
SZ		 1170/* Shared memory write. */
1171/* */
1172/* Writes NetXtreme II shared memory region. */
1173/* */
1174/* Returns: */
1175/* Nothing. */
1176/****************************************************************************/
1177static void
1178bce_shmem_wr(struct bce_softc *sc, uint32_t offset, uint32_t val)
1179{
1180 bce_reg_wr_ind(sc, sc->bce_shmem_base + offset, val);
1181}
1182
1183
1184/****************************************************************************/
1185/* Shared memory read. */
1186/* */
1187/* Reads NetXtreme II shared memory region. */
1188/* */
1189/* Returns: */
1190/* The 32 bit value read. */
1191/****************************************************************************/
1192static u32
1193bce_shmem_rd(struct bce_softc *sc, uint32_t offset)
1194{
1195 return bce_reg_rd_ind(sc, sc->bce_shmem_base + offset);
1196}
1197
1198
1199/****************************************************************************/
43c2aeb0
SZ		 1200/* Context memory write. */
1201/* */
1202/* The NetXtreme II controller uses context memory to track connection */
1203/* information for L2 and higher network protocols. */
1204/* */
1205/* Returns: */
1206/* Nothing. */
1207/****************************************************************************/
1208static void
d0092544
SZ		 1209bce_ctx_wr(struct bce_softc *sc, uint32_t cid_addr, uint32_t ctx_offset,
1210 uint32_t ctx_val)
43c2aeb0 1211{
d0092544
SZ		 1212 uint32_t idx, offset = ctx_offset + cid_addr;
1213 uint32_t val, retry_cnt = 5;
43c2aeb0 1214
d0092544
SZ		 1215 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
1216 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
1217 REG_WR(sc, BCE_CTX_CTX_DATA, ctx_val);
1218 REG_WR(sc, BCE_CTX_CTX_CTRL, (offset | BCE_CTX_CTX_CTRL_WRITE_REQ));
1219
1220 for (idx = 0; idx < retry_cnt; idx++) {
1221 val = REG_RD(sc, BCE_CTX_CTX_CTRL);
1222 if ((val & BCE_CTX_CTX_CTRL_WRITE_REQ) == 0)
1223 break;
1224 DELAY(5);
1225 }
1226
1227 if (val & BCE_CTX_CTX_CTRL_WRITE_REQ) {
1228 device_printf(sc->bce_dev,
1229 "Unable to write CTX memory: "
1230 "cid_addr = 0x%08X, offset = 0x%08X!\n",
1231 cid_addr, ctx_offset);
1232 }
1233 } else {
1234 REG_WR(sc, BCE_CTX_DATA_ADR, offset);
1235 REG_WR(sc, BCE_CTX_DATA, ctx_val);
1236 }
43c2aeb0
SZ		 1237}
1238
1239
1240/****************************************************************************/
1241/* PHY register read. */
1242/* */
1243/* Implements register reads on the MII bus. */
1244/* */
1245/* Returns: */
1246/* The value of the register. */
1247/****************************************************************************/
1248static int
1249bce_miibus_read_reg(device_t dev, int phy, int reg)
1250{
1251 struct bce_softc *sc = device_get_softc(dev);
1252 uint32_t val;
1253 int i;
1254
1255 /* Make sure we are accessing the correct PHY address. */
f31c6e4d
SZ		 1256 KASSERT(phy == sc->bce_phy_addr,
1257 ("invalid phyno %d, should be %d\n", phy, sc->bce_phy_addr));
43c2aeb0
SZ		 1258
1259 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1260 val = REG_RD(sc, BCE_EMAC_MDIO_MODE);
1261 val &= ~BCE_EMAC_MDIO_MODE_AUTO_POLL;
1262
1263 REG_WR(sc, BCE_EMAC_MDIO_MODE, val);
1264 REG_RD(sc, BCE_EMAC_MDIO_MODE);
1265
1266 DELAY(40);
1267 }
1268
1269 val = BCE_MIPHY(phy) | BCE_MIREG(reg) |
1270 BCE_EMAC_MDIO_COMM_COMMAND_READ | BCE_EMAC_MDIO_COMM_DISEXT |
1271 BCE_EMAC_MDIO_COMM_START_BUSY;
1272 REG_WR(sc, BCE_EMAC_MDIO_COMM, val);
1273
1274 for (i = 0; i < BCE_PHY_TIMEOUT; i++) {
1275 DELAY(10);
1276
1277 val = REG_RD(sc, BCE_EMAC_MDIO_COMM);
1278 if (!(val & BCE_EMAC_MDIO_COMM_START_BUSY)) {
1279 DELAY(5);
1280
1281 val = REG_RD(sc, BCE_EMAC_MDIO_COMM);
1282 val &= BCE_EMAC_MDIO_COMM_DATA;
1283 break;
1284 }
1285 }
1286
1287 if (val & BCE_EMAC_MDIO_COMM_START_BUSY) {
1288 if_printf(&sc->arpcom.ac_if,
1289 "Error: PHY read timeout! phy = %d, reg = 0x%04X\n",
1290 phy, reg);
1291 val = 0x0;
1292 } else {
1293 val = REG_RD(sc, BCE_EMAC_MDIO_COMM);
1294 }
1295
1296 DBPRINT(sc, BCE_EXCESSIVE,
1297 "%s(): phy = %d, reg = 0x%04X, val = 0x%04X\n",
1298 __func__, phy, (uint16_t)reg & 0xffff, (uint16_t) val & 0xffff);
1299
1300 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1301 val = REG_RD(sc, BCE_EMAC_MDIO_MODE);
1302 val |= BCE_EMAC_MDIO_MODE_AUTO_POLL;
1303
1304 REG_WR(sc, BCE_EMAC_MDIO_MODE, val);
1305 REG_RD(sc, BCE_EMAC_MDIO_MODE);
1306
1307 DELAY(40);
1308 }
1309 return (val & 0xffff);
1310}
1311
1312
1313/****************************************************************************/
1314/* PHY register write. */
1315/* */
1316/* Implements register writes on the MII bus. */
1317/* */
1318/* Returns: */
1319/* The value of the register. */
1320/****************************************************************************/
1321static int
1322bce_miibus_write_reg(device_t dev, int phy, int reg, int val)
1323{
1324 struct bce_softc *sc = device_get_softc(dev);
1325 uint32_t val1;
1326 int i;
1327
1328 /* Make sure we are accessing the correct PHY address. */
f31c6e4d
SZ		 1329 KASSERT(phy == sc->bce_phy_addr,
1330 ("invalid phyno %d, should be %d\n", phy, sc->bce_phy_addr));
43c2aeb0
SZ		 1331
1332 DBPRINT(sc, BCE_EXCESSIVE,
1333 "%s(): phy = %d, reg = 0x%04X, val = 0x%04X\n",
1334 __func__, phy, (uint16_t)(reg & 0xffff),
1335 (uint16_t)(val & 0xffff));
1336
1337 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1338 val1 = REG_RD(sc, BCE_EMAC_MDIO_MODE);
1339 val1 &= ~BCE_EMAC_MDIO_MODE_AUTO_POLL;
1340
1341 REG_WR(sc, BCE_EMAC_MDIO_MODE, val1);
1342 REG_RD(sc, BCE_EMAC_MDIO_MODE);
1343
1344 DELAY(40);
1345 }
1346
1347 val1 = BCE_MIPHY(phy) | BCE_MIREG(reg) | val |
1348 BCE_EMAC_MDIO_COMM_COMMAND_WRITE |
1349 BCE_EMAC_MDIO_COMM_START_BUSY | BCE_EMAC_MDIO_COMM_DISEXT;
1350 REG_WR(sc, BCE_EMAC_MDIO_COMM, val1);
1351
1352 for (i = 0; i < BCE_PHY_TIMEOUT; i++) {
1353 DELAY(10);
1354
1355 val1 = REG_RD(sc, BCE_EMAC_MDIO_COMM);
1356 if (!(val1 & BCE_EMAC_MDIO_COMM_START_BUSY)) {
1357 DELAY(5);
1358 break;
1359 }
1360 }
1361
1362 if (val1 & BCE_EMAC_MDIO_COMM_START_BUSY)
1363 if_printf(&sc->arpcom.ac_if, "PHY write timeout!\n");
1364
1365 if (sc->bce_phy_flags & BCE_PHY_INT_MODE_AUTO_POLLING_FLAG) {
1366 val1 = REG_RD(sc, BCE_EMAC_MDIO_MODE);
1367 val1 |= BCE_EMAC_MDIO_MODE_AUTO_POLL;
1368
1369 REG_WR(sc, BCE_EMAC_MDIO_MODE, val1);
1370 REG_RD(sc, BCE_EMAC_MDIO_MODE);
1371
1372 DELAY(40);
1373 }
1374 return 0;
1375}
1376
1377
1378/****************************************************************************/
1379/* MII bus status change. */
1380/* */
1381/* Called by the MII bus driver when the PHY establishes link to set the */
1382/* MAC interface registers. */
1383/* */
1384/* Returns: */
1385/* Nothing. */
1386/****************************************************************************/
1387static void
1388bce_miibus_statchg(device_t dev)
1389{
1390 struct bce_softc *sc = device_get_softc(dev);
1391 struct mii_data *mii = device_get_softc(sc->bce_miibus);
1392
1393 DBPRINT(sc, BCE_INFO, "mii_media_active = 0x%08X\n",
1394 mii->mii_media_active);
1395
1396#ifdef BCE_DEBUG
1397 /* Decode the interface media flags. */
1398 if_printf(&sc->arpcom.ac_if, "Media: ( ");
1399 switch(IFM_TYPE(mii->mii_media_active)) {
1400 case IFM_ETHER:
1401 kprintf("Ethernet )");
1402 break;
1403 default:
1404 kprintf("Unknown )");
1405 break;
1406 }
1407
1408 kprintf(" Media Options: ( ");
1409 switch(IFM_SUBTYPE(mii->mii_media_active)) {
1410 case IFM_AUTO:
1411 kprintf("Autoselect )");
1412 break;
1413 case IFM_MANUAL:
1414 kprintf("Manual )");
1415 break;
1416 case IFM_NONE:
1417 kprintf("None )");
1418 break;
1419 case IFM_10_T:
1420 kprintf("10Base-T )");
1421 break;
1422 case IFM_100_TX:
1423 kprintf("100Base-TX )");
1424 break;
1425 case IFM_1000_SX:
1426 kprintf("1000Base-SX )");
1427 break;
1428 case IFM_1000_T:
1429 kprintf("1000Base-T )");
1430 break;
1431 default:
1432 kprintf("Other )");
1433 break;
1434 }
1435
1436 kprintf(" Global Options: (");
1437 if (mii->mii_media_active & IFM_FDX)
1438 kprintf(" FullDuplex");
1439 if (mii->mii_media_active & IFM_HDX)
1440 kprintf(" HalfDuplex");
1441 if (mii->mii_media_active & IFM_LOOP)
1442 kprintf(" Loopback");
1443 if (mii->mii_media_active & IFM_FLAG0)
1444 kprintf(" Flag0");
1445 if (mii->mii_media_active & IFM_FLAG1)
1446 kprintf(" Flag1");
1447 if (mii->mii_media_active & IFM_FLAG2)
1448 kprintf(" Flag2");
1449 kprintf(" )\n");
1450#endif
1451
1452 BCE_CLRBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_PORT);
1453
1454 /*
1455 * Set MII or GMII interface based on the speed negotiated
1456 * by the PHY.
1457 */
1458 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T ||
1459 IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_SX) {
1460 DBPRINT(sc, BCE_INFO, "Setting GMII interface.\n");
1461 BCE_SETBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_PORT_GMII);
1462 } else {
1463 DBPRINT(sc, BCE_INFO, "Setting MII interface.\n");
1464 BCE_SETBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_PORT_MII);
1465 }
1466
1467 /*
1468 * Set half or full duplex based on the duplicity negotiated
1469 * by the PHY.
1470 */
1471 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) {
1472 DBPRINT(sc, BCE_INFO, "Setting Full-Duplex interface.\n");
1473 BCE_CLRBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_HALF_DUPLEX);
1474 } else {
1475 DBPRINT(sc, BCE_INFO, "Setting Half-Duplex interface.\n");
1476 BCE_SETBIT(sc, BCE_EMAC_MODE, BCE_EMAC_MODE_HALF_DUPLEX);
1477 }
1478}
1479
1480
1481/****************************************************************************/
1482/* Acquire NVRAM lock. */
1483/* */
1484/* Before the NVRAM can be accessed the caller must acquire an NVRAM lock. */
1485/* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */
1486/* for use by the driver. */
1487/* */
1488/* Returns: */
1489/* 0 on success, positive value on failure. */
1490/****************************************************************************/
1491static int
1492bce_acquire_nvram_lock(struct bce_softc *sc)
1493{
1494 uint32_t val;
1495 int j;
1496
1497 DBPRINT(sc, BCE_VERBOSE, "Acquiring NVRAM lock.\n");
1498
1499 /* Request access to the flash interface. */
1500 REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_SET2);
1501 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1502 val = REG_RD(sc, BCE_NVM_SW_ARB);
1503 if (val & BCE_NVM_SW_ARB_ARB_ARB2)
1504 break;
1505
1506 DELAY(5);
1507 }
1508
1509 if (j >= NVRAM_TIMEOUT_COUNT) {
1510 DBPRINT(sc, BCE_WARN, "Timeout acquiring NVRAM lock!\n");
1511 return EBUSY;
1512 }
1513 return 0;
1514}
1515
1516
1517/****************************************************************************/
1518/* Release NVRAM lock. */
1519/* */
1520/* When the caller is finished accessing NVRAM the lock must be released. */
1521/* Locks 0 and 2 are reserved, lock 1 is used by firmware and lock 2 is */
1522/* for use by the driver. */
1523/* */
1524/* Returns: */
1525/* 0 on success, positive value on failure. */
1526/****************************************************************************/
1527static int
1528bce_release_nvram_lock(struct bce_softc *sc)
1529{
1530 int j;
1531 uint32_t val;
1532
1533 DBPRINT(sc, BCE_VERBOSE, "Releasing NVRAM lock.\n");
1534
1535 /*
1536 * Relinquish nvram interface.
1537 */
1538 REG_WR(sc, BCE_NVM_SW_ARB, BCE_NVM_SW_ARB_ARB_REQ_CLR2);
1539
1540 for (j = 0; j < NVRAM_TIMEOUT_COUNT; j++) {
1541 val = REG_RD(sc, BCE_NVM_SW_ARB);
1542 if (!(val & BCE_NVM_SW_ARB_ARB_ARB2))
1543 break;
1544
1545 DELAY(5);
1546 }
1547
1548 if (j >= NVRAM_TIMEOUT_COUNT) {
1549 DBPRINT(sc, BCE_WARN, "Timeout reeasing NVRAM lock!\n");
1550 return EBUSY;
1551 }
1552 return 0;
1553}
1554
1555
43c2aeb0
SZ		 1556/****************************************************************************/
1557/* Enable NVRAM access. */
1558/* */
1559/* Before accessing NVRAM for read or write operations the caller must */
1560/* enabled NVRAM access. */
1561/* */
1562/* Returns: */
1563/* Nothing. */
1564/****************************************************************************/
1565static void
1566bce_enable_nvram_access(struct bce_softc *sc)
1567{
1568 uint32_t val;
1569
1570 DBPRINT(sc, BCE_VERBOSE, "Enabling NVRAM access.\n");
1571
1572 val = REG_RD(sc, BCE_NVM_ACCESS_ENABLE);
1573 /* Enable both bits, even on read. */
1574 REG_WR(sc, BCE_NVM_ACCESS_ENABLE,
1575 val | BCE_NVM_ACCESS_ENABLE_EN | BCE_NVM_ACCESS_ENABLE_WR_EN);
1576}
1577
1578
1579/****************************************************************************/
1580/* Disable NVRAM access. */
1581/* */
1582/* When the caller is finished accessing NVRAM access must be disabled. */
1583/* */
1584/* Returns: */
1585/* Nothing. */
1586/****************************************************************************/
1587static void
1588bce_disable_nvram_access(struct bce_softc *sc)
1589{
1590 uint32_t val;
1591
1592 DBPRINT(sc, BCE_VERBOSE, "Disabling NVRAM access.\n");
1593
1594 val = REG_RD(sc, BCE_NVM_ACCESS_ENABLE);
1595
1596 /* Disable both bits, even after read. */
1597 REG_WR(sc, BCE_NVM_ACCESS_ENABLE,
1598 val & ~(BCE_NVM_ACCESS_ENABLE_EN | BCE_NVM_ACCESS_ENABLE_WR_EN));
1599}
1600
1601
43c2aeb0
SZ		 1602/****************************************************************************/
1603/* Read a dword (32 bits) from NVRAM. */
1604/* */
1605/* Read a 32 bit word from NVRAM. The caller is assumed to have already */
1606/* obtained the NVRAM lock and enabled the controller for NVRAM access. */
1607/* */
1608/* Returns: */
1609/* 0 on success and the 32 bit value read, positive value on failure. */
1610/****************************************************************************/
1611static int
1612bce_nvram_read_dword(struct bce_softc *sc, uint32_t offset, uint8_t *ret_val,
1613 uint32_t cmd_flags)
1614{
1615 uint32_t cmd;
1616 int i, rc = 0;
1617
1618 /* Build the command word. */
1619 cmd = BCE_NVM_COMMAND_DOIT | cmd_flags;
1620
1621 /* Calculate the offset for buffered flash. */
d0092544 1622 if (sc->bce_flash_info->flags & BCE_NV_TRANSLATE) {
43c2aeb0
SZ		 1623 offset = ((offset / sc->bce_flash_info->page_size) <<
1624 sc->bce_flash_info->page_bits) +
1625 (offset % sc->bce_flash_info->page_size);
1626 }
1627
1628 /*
1629 * Clear the DONE bit separately, set the address to read,
1630 * and issue the read.
1631 */
1632 REG_WR(sc, BCE_NVM_COMMAND, BCE_NVM_COMMAND_DONE);
1633 REG_WR(sc, BCE_NVM_ADDR, offset & BCE_NVM_ADDR_NVM_ADDR_VALUE);
1634 REG_WR(sc, BCE_NVM_COMMAND, cmd);
1635
1636 /* Wait for completion. */
1637 for (i = 0; i < NVRAM_TIMEOUT_COUNT; i++) {
1638 uint32_t val;
1639
1640 DELAY(5);
1641
1642 val = REG_RD(sc, BCE_NVM_COMMAND);
1643 if (val & BCE_NVM_COMMAND_DONE) {
1644 val = REG_RD(sc, BCE_NVM_READ);
1645
1646 val = be32toh(val);
1647 memcpy(ret_val, &val, 4);
1648 break;
1649 }
1650 }
1651
1652 /* Check for errors. */
1653 if (i >= NVRAM_TIMEOUT_COUNT) {
1654 if_printf(&sc->arpcom.ac_if,
1655 "Timeout error reading NVRAM at offset 0x%08X!\n",
1656 offset);
1657 rc = EBUSY;
1658 }
1659 return rc;
1660}
1661
1662
43c2aeb0
SZ		 1663/****************************************************************************/
1664/* Initialize NVRAM access. */
1665/* */
1666/* Identify the NVRAM device in use and prepare the NVRAM interface to */
1667/* access that device. */
1668/* */
1669/* Returns: */
1670/* 0 on success, positive value on failure. */
1671/****************************************************************************/
1672static int
1673bce_init_nvram(struct bce_softc *sc)
1674{
1675 uint32_t val;
1676 int j, entry_count, rc = 0;
1677 const struct flash_spec *flash;
1678
1679 DBPRINT(sc, BCE_VERBOSE_RESET, "Entering %s()\n", __func__);
1680
d0092544
SZ		 1681 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
1682 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
1683 sc->bce_flash_info = &flash_5709;
1684 goto bce_init_nvram_get_flash_size;
1685 }
1686
43c2aeb0
SZ		 1687 /* Determine the selected interface. */
1688 val = REG_RD(sc, BCE_NVM_CFG1);
1689
1690 entry_count = sizeof(flash_table) / sizeof(struct flash_spec);
1691
1692 /*
1693 * Flash reconfiguration is required to support additional
1694 * NVRAM devices not directly supported in hardware.
1695 * Check if the flash interface was reconfigured
1696 * by the bootcode.
1697 */
1698
1699 if (val & 0x40000000) {
1700 /* Flash interface reconfigured by bootcode. */
1701
1702 DBPRINT(sc, BCE_INFO_LOAD,
1703 "%s(): Flash WAS reconfigured.\n", __func__);
1704
1705 for (j = 0, flash = flash_table; j < entry_count;
1706 j++, flash++) {
1707 if ((val & FLASH_BACKUP_STRAP_MASK) ==
1708 (flash->config1 & FLASH_BACKUP_STRAP_MASK)) {
1709 sc->bce_flash_info = flash;
1710 break;
1711 }
1712 }
1713 } else {
1714 /* Flash interface not yet reconfigured. */
1715 uint32_t mask;
1716
1717 DBPRINT(sc, BCE_INFO_LOAD,
1718 "%s(): Flash was NOT reconfigured.\n", __func__);
1719
1720 if (val & (1 << 23))
1721 mask = FLASH_BACKUP_STRAP_MASK;
1722 else
1723 mask = FLASH_STRAP_MASK;
1724
1725 /* Look for the matching NVRAM device configuration data. */
1726 for (j = 0, flash = flash_table; j < entry_count;
1727 j++, flash++) {
1728 /* Check if the device matches any of the known devices. */
1729 if ((val & mask) == (flash->strapping & mask)) {
1730 /* Found a device match. */
1731 sc->bce_flash_info = flash;
1732
1733 /* Request access to the flash interface. */
1734 rc = bce_acquire_nvram_lock(sc);
1735 if (rc != 0)
1736 return rc;
1737
1738 /* Reconfigure the flash interface. */
1739 bce_enable_nvram_access(sc);
1740 REG_WR(sc, BCE_NVM_CFG1, flash->config1);
1741 REG_WR(sc, BCE_NVM_CFG2, flash->config2);
1742 REG_WR(sc, BCE_NVM_CFG3, flash->config3);
1743 REG_WR(sc, BCE_NVM_WRITE1, flash->write1);
1744 bce_disable_nvram_access(sc);
1745 bce_release_nvram_lock(sc);
1746 break;
1747 }
1748 }
1749 }
1750
1751 /* Check if a matching device was found. */
1752 if (j == entry_count) {
1753 sc->bce_flash_info = NULL;
1754 if_printf(&sc->arpcom.ac_if, "Unknown Flash NVRAM found!\n");
d819a615 1755 return ENODEV;
43c2aeb0
SZ		 1756 }
1757
d0092544 1758bce_init_nvram_get_flash_size:
43c2aeb0 1759 /* Write the flash config data to the shared memory interface. */
bc30d40d
SZ		 1760 val = bce_shmem_rd(sc, BCE_SHARED_HW_CFG_CONFIG2) &
1761 BCE_SHARED_HW_CFG2_NVM_SIZE_MASK;
43c2aeb0
SZ		 1762 if (val)
1763 sc->bce_flash_size = val;
1764 else
1765 sc->bce_flash_size = sc->bce_flash_info->total_size;
1766
1767 DBPRINT(sc, BCE_INFO_LOAD, "%s() flash->total_size = 0x%08X\n",
1768 __func__, sc->bce_flash_info->total_size);
1769
1770 DBPRINT(sc, BCE_VERBOSE_RESET, "Exiting %s()\n", __func__);
1771
1772 return rc;
1773}
1774
1775
1776/****************************************************************************/
1777/* Read an arbitrary range of data from NVRAM. */
1778/* */
1779/* Prepares the NVRAM interface for access and reads the requested data */
1780/* into the supplied buffer. */
1781/* */
1782/* Returns: */
1783/* 0 on success and the data read, positive value on failure. */
1784/****************************************************************************/
1785static int
1786bce_nvram_read(struct bce_softc *sc, uint32_t offset, uint8_t *ret_buf,
1787 int buf_size)
1788{
1789 uint32_t cmd_flags, offset32, len32, extra;
1790 int rc = 0;
1791
1792 if (buf_size == 0)
1793 return 0;
1794
1795 /* Request access to the flash interface. */
1796 rc = bce_acquire_nvram_lock(sc);
1797 if (rc != 0)
1798 return rc;
1799
1800 /* Enable access to flash interface */
1801 bce_enable_nvram_access(sc);
1802
1803 len32 = buf_size;
1804 offset32 = offset;
1805 extra = 0;
1806
1807 cmd_flags = 0;
1808
1809 /* XXX should we release nvram lock if read_dword() fails? */
1810 if (offset32 & 3) {
1811 uint8_t buf[4];
1812 uint32_t pre_len;
1813
1814 offset32 &= ~3;
1815 pre_len = 4 - (offset & 3);
1816
1817 if (pre_len >= len32) {
1818 pre_len = len32;
1819 cmd_flags = BCE_NVM_COMMAND_FIRST | BCE_NVM_COMMAND_LAST;
1820 } else {
1821 cmd_flags = BCE_NVM_COMMAND_FIRST;
1822 }
1823
1824 rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags);
1825 if (rc)
1826 return rc;
1827
1828 memcpy(ret_buf, buf + (offset & 3), pre_len);
1829
1830 offset32 += 4;
1831 ret_buf += pre_len;
1832 len32 -= pre_len;
1833 }
1834
1835 if (len32 & 3) {
1836 extra = 4 - (len32 & 3);
1837 len32 = (len32 + 4) & ~3;
1838 }
1839
1840 if (len32 == 4) {
1841 uint8_t buf[4];
1842
1843 if (cmd_flags)
1844 cmd_flags = BCE_NVM_COMMAND_LAST;
1845 else
1846 cmd_flags = BCE_NVM_COMMAND_FIRST |
1847 BCE_NVM_COMMAND_LAST;
1848
1849 rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags);
1850
1851 memcpy(ret_buf, buf, 4 - extra);
1852 } else if (len32 > 0) {
1853 uint8_t buf[4];
1854
1855 /* Read the first word. */
1856 if (cmd_flags)
1857 cmd_flags = 0;
1858 else
1859 cmd_flags = BCE_NVM_COMMAND_FIRST;
1860
1861 rc = bce_nvram_read_dword(sc, offset32, ret_buf, cmd_flags);
1862
1863 /* Advance to the next dword. */
1864 offset32 += 4;
1865 ret_buf += 4;
1866 len32 -= 4;
1867
1868 while (len32 > 4 && rc == 0) {
1869 rc = bce_nvram_read_dword(sc, offset32, ret_buf, 0);
1870
1871 /* Advance to the next dword. */
1872 offset32 += 4;
1873 ret_buf += 4;
1874 len32 -= 4;
1875 }
1876
1877 if (rc)
d0092544 1878 goto bce_nvram_read_locked_exit;
43c2aeb0
SZ		 1879
1880 cmd_flags = BCE_NVM_COMMAND_LAST;
1881 rc = bce_nvram_read_dword(sc, offset32, buf, cmd_flags);
1882
1883 memcpy(ret_buf, buf, 4 - extra);
1884 }
1885
d0092544 1886bce_nvram_read_locked_exit:
43c2aeb0
SZ		 1887 /* Disable access to flash interface and release the lock. */
1888 bce_disable_nvram_access(sc);
1889 bce_release_nvram_lock(sc);
1890
1891 return rc;
1892}
1893
1894
43c2aeb0
SZ		 1895/****************************************************************************/
1896/* Verifies that NVRAM is accessible and contains valid data. */
1897/* */
1898/* Reads the configuration data from NVRAM and verifies that the CRC is */
1899/* correct. */
1900/* */
1901/* Returns: */
1902/* 0 on success, positive value on failure. */
1903/****************************************************************************/
1904static int
1905bce_nvram_test(struct bce_softc *sc)
1906{
1907 uint32_t buf[BCE_NVRAM_SIZE / 4];
1908 uint32_t magic, csum;
1909 uint8_t *data = (uint8_t *)buf;
1910 int rc = 0;
1911
1912 /*
1913 * Check that the device NVRAM is valid by reading
1914 * the magic value at offset 0.
1915 */
1916 rc = bce_nvram_read(sc, 0, data, 4);
1917 if (rc != 0)
1918 return rc;
1919
1920 magic = be32toh(buf[0]);
1921 if (magic != BCE_NVRAM_MAGIC) {
1922 if_printf(&sc->arpcom.ac_if,
1923 "Invalid NVRAM magic value! Expected: 0x%08X, "
1924 "Found: 0x%08X\n", BCE_NVRAM_MAGIC, magic);
1925 return ENODEV;
1926 }
1927
1928 /*
1929 * Verify that the device NVRAM includes valid
1930 * configuration data.
1931 */
1932 rc = bce_nvram_read(sc, 0x100, data, BCE_NVRAM_SIZE);
1933 if (rc != 0)
1934 return rc;
1935
1936 csum = ether_crc32_le(data, 0x100);
1937 if (csum != BCE_CRC32_RESIDUAL) {
1938 if_printf(&sc->arpcom.ac_if,
1939 "Invalid Manufacturing Information NVRAM CRC! "
1940 "Expected: 0x%08X, Found: 0x%08X\n",
1941 BCE_CRC32_RESIDUAL, csum);
1942 return ENODEV;
1943 }
1944
1945 csum = ether_crc32_le(data + 0x100, 0x100);
1946 if (csum != BCE_CRC32_RESIDUAL) {
1947 if_printf(&sc->arpcom.ac_if,
1948 "Invalid Feature Configuration Information "
1949 "NVRAM CRC! Expected: 0x%08X, Found: 08%08X\n",
1950 BCE_CRC32_RESIDUAL, csum);
1951 rc = ENODEV;
1952 }
1953 return rc;
1954}
1955
1956
1957/****************************************************************************/
d0092544
SZ		 1958/* Identifies the current media type of the controller and sets the PHY */
1959/* address. */
1960/* */
1961/* Returns: */
1962/* Nothing. */
1963/****************************************************************************/
1964static void
1965bce_get_media(struct bce_softc *sc)
1966{
1967 uint32_t val;
1968
1969 sc->bce_phy_addr = 1;
1970
1971 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
1972 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
1973 uint32_t val = REG_RD(sc, BCE_MISC_DUAL_MEDIA_CTRL);
1974 uint32_t bond_id = val & BCE_MISC_DUAL_MEDIA_CTRL_BOND_ID;
1975 uint32_t strap;
1976
1977 /*
1978 * The BCM5709S is software configurable
1979 * for Copper or SerDes operation.
1980 */
1981 if (bond_id == BCE_MISC_DUAL_MEDIA_CTRL_BOND_ID_C) {
1982 return;
1983 } else if (bond_id == BCE_MISC_DUAL_MEDIA_CTRL_BOND_ID_S) {
1984 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG;
1985 return;
1986 }
1987
1988 if (val & BCE_MISC_DUAL_MEDIA_CTRL_STRAP_OVERRIDE) {
1989 strap = (val & BCE_MISC_DUAL_MEDIA_CTRL_PHY_CTRL) >> 21;
1990 } else {
1991 strap =
1992 (val & BCE_MISC_DUAL_MEDIA_CTRL_PHY_CTRL_STRAP) >> 8;
1993 }
1994
1995 if (pci_get_function(sc->bce_dev) == 0) {
1996 switch (strap) {
1997 case 0x4:
1998 case 0x5:
1999 case 0x6:
2000 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG;
2001 break;
2002 }
2003 } else {
2004 switch (strap) {
2005 case 0x1:
2006 case 0x2:
2007 case 0x4:
2008 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG;
2009 break;
2010 }
2011 }
2012 } else if (BCE_CHIP_BOND_ID(sc) & BCE_CHIP_BOND_ID_SERDES_BIT) {
2013 sc->bce_phy_flags |= BCE_PHY_SERDES_FLAG;
2014 }
2015
2016 if (sc->bce_phy_flags & BCE_PHY_SERDES_FLAG) {
2017 sc->bce_flags |= BCE_NO_WOL_FLAG;
2018 if (BCE_CHIP_NUM(sc) != BCE_CHIP_NUM_5706) {
2019 sc->bce_phy_addr = 2;
bc30d40d 2020 val = bce_shmem_rd(sc, BCE_SHARED_HW_CFG_CONFIG);
d0092544
SZ		 2021 if (val & BCE_SHARED_HW_CFG_PHY_2_5G)
2022 sc->bce_phy_flags |= BCE_PHY_2_5G_CAPABLE_FLAG;
2023 }
2024 } else if ((BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706) ||
2025 (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5708)) {
2026 sc->bce_phy_flags |= BCE_PHY_CRC_FIX_FLAG;
2027 }
2028}
2029
2030
2031/****************************************************************************/
43c2aeb0
SZ		 2032/* Free any DMA memory owned by the driver. */
2033/* */
2034/* Scans through each data structre that requires DMA memory and frees */
2035/* the memory if allocated. */
2036/* */
2037/* Returns: */
2038/* Nothing. */
2039/****************************************************************************/
2040static void
2041bce_dma_free(struct bce_softc *sc)
2042{
2043 int i;
2044
2045 /* Destroy the status block. */
2046 if (sc->status_tag != NULL) {
2047 if (sc->status_block != NULL) {
2048 bus_dmamap_unload(sc->status_tag, sc->status_map);
2049 bus_dmamem_free(sc->status_tag, sc->status_block,
2050 sc->status_map);
2051 }
2052 bus_dma_tag_destroy(sc->status_tag);
2053 }
2054
43c2aeb0
SZ		 2055 /* Destroy the statistics block. */
2056 if (sc->stats_tag != NULL) {
2057 if (sc->stats_block != NULL) {
2058 bus_dmamap_unload(sc->stats_tag, sc->stats_map);
2059 bus_dmamem_free(sc->stats_tag, sc->stats_block,
2060 sc->stats_map);
2061 }
2062 bus_dma_tag_destroy(sc->stats_tag);
2063 }
2064
d0092544
SZ		 2065 /* Destroy the CTX DMA stuffs. */
2066 if (sc->ctx_tag != NULL) {
2067 for (i = 0; i < sc->ctx_pages; i++) {
2068 if (sc->ctx_block[i] != NULL) {
2069 bus_dmamap_unload(sc->ctx_tag, sc->ctx_map[i]);
2070 bus_dmamem_free(sc->ctx_tag, sc->ctx_block[i],
2071 sc->ctx_map[i]);
2072 }
2073 }
2074 bus_dma_tag_destroy(sc->ctx_tag);
2075 }
2076
43c2aeb0
SZ		 2077 /* Destroy the TX buffer descriptor DMA stuffs. */
2078 if (sc->tx_bd_chain_tag != NULL) {
4b166d4e 2079 for (i = 0; i < sc->tx_pages; i++) {
43c2aeb0
SZ		 2080 if (sc->tx_bd_chain[i] != NULL) {
2081 bus_dmamap_unload(sc->tx_bd_chain_tag,
2082 sc->tx_bd_chain_map[i]);
2083 bus_dmamem_free(sc->tx_bd_chain_tag,
2084 sc->tx_bd_chain[i],
2085 sc->tx_bd_chain_map[i]);
2086 }
2087 }
2088 bus_dma_tag_destroy(sc->tx_bd_chain_tag);
2089 }
2090
2091 /* Destroy the RX buffer descriptor DMA stuffs. */
2092 if (sc->rx_bd_chain_tag != NULL) {
4b166d4e 2093 for (i = 0; i < sc->rx_pages; i++) {
43c2aeb0
SZ		 2094 if (sc->rx_bd_chain[i] != NULL) {
2095 bus_dmamap_unload(sc->rx_bd_chain_tag,
2096 sc->rx_bd_chain_map[i]);
2097 bus_dmamem_free(sc->rx_bd_chain_tag,
2098 sc->rx_bd_chain[i],
2099 sc->rx_bd_chain_map[i]);
2100 }
2101 }
2102 bus_dma_tag_destroy(sc->rx_bd_chain_tag);
2103 }
2104
2105 /* Destroy the TX mbuf DMA stuffs. */
2106 if (sc->tx_mbuf_tag != NULL) {
4b166d4e 2107 for (i = 0; i < TOTAL_TX_BD(sc); i++) {
43c2aeb0
SZ		 2108 /* Must have been unloaded in bce_stop() */
2109 KKASSERT(sc->tx_mbuf_ptr[i] == NULL);
2110 bus_dmamap_destroy(sc->tx_mbuf_tag,
2111 sc->tx_mbuf_map[i]);
2112 }
2113 bus_dma_tag_destroy(sc->tx_mbuf_tag);
2114 }
2115
2116 /* Destroy the RX mbuf DMA stuffs. */
2117 if (sc->rx_mbuf_tag != NULL) {
4b166d4e 2118 for (i = 0; i < TOTAL_RX_BD(sc); i++) {
43c2aeb0
SZ		 2119 /* Must have been unloaded in bce_stop() */
2120 KKASSERT(sc->rx_mbuf_ptr[i] == NULL);
2121 bus_dmamap_destroy(sc->rx_mbuf_tag,
2122 sc->rx_mbuf_map[i]);
2123 }
c36fd9ee 2124 bus_dmamap_destroy(sc->rx_mbuf_tag, sc->rx_mbuf_tmpmap);
43c2aeb0
SZ		 2125 bus_dma_tag_destroy(sc->rx_mbuf_tag);
2126 }
2127
2128 /* Destroy the parent tag */
2129 if (sc->parent_tag != NULL)
2130 bus_dma_tag_destroy(sc->parent_tag);
4b166d4e
SZ		 2131
2132 if (sc->tx_bd_chain_map != NULL)
2133 kfree(sc->tx_bd_chain_map, M_DEVBUF);
2134 if (sc->tx_bd_chain != NULL)
2135 kfree(sc->tx_bd_chain, M_DEVBUF);
2136 if (sc->tx_bd_chain_paddr != NULL)
2137 kfree(sc->tx_bd_chain_paddr, M_DEVBUF);
2138
2139 if (sc->rx_bd_chain_map != NULL)
2140 kfree(sc->rx_bd_chain_map, M_DEVBUF);
2141 if (sc->rx_bd_chain != NULL)
2142 kfree(sc->rx_bd_chain, M_DEVBUF);
2143 if (sc->rx_bd_chain_paddr != NULL)
2144 kfree(sc->rx_bd_chain_paddr, M_DEVBUF);
2145
2146 if (sc->tx_mbuf_map != NULL)
2147 kfree(sc->tx_mbuf_map, M_DEVBUF);
2148 if (sc->tx_mbuf_ptr != NULL)
2149 kfree(sc->tx_mbuf_ptr, M_DEVBUF);
2150
2151 if (sc->rx_mbuf_map != NULL)
2152 kfree(sc->rx_mbuf_map, M_DEVBUF);
2153 if (sc->rx_mbuf_ptr != NULL)
2154 kfree(sc->rx_mbuf_ptr, M_DEVBUF);
2155 if (sc->rx_mbuf_paddr != NULL)
2156 kfree(sc->rx_mbuf_paddr, M_DEVBUF);
43c2aeb0
SZ		 2157}
2158
2159
2160/****************************************************************************/
2161/* Get DMA memory from the OS. */
2162/* */
2163/* Validates that the OS has provided DMA buffers in response to a */
2164/* bus_dmamap_load() call and saves the physical address of those buffers. */
2165/* When the callback is used the OS will return 0 for the mapping function */
2166/* (bus_dmamap_load()) so we use the value of map_arg->maxsegs to pass any */
2167/* failures back to the caller. */
2168/* */
2169/* Returns: */
2170/* Nothing. */
2171/****************************************************************************/
2172static void
2173bce_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
2174{
2175 bus_addr_t *busaddr = arg;
2176
2177 /*
2178 * Simulate a mapping failure.
2179 * XXX not correct.
2180 */
2181 DBRUNIF(DB_RANDOMTRUE(bce_debug_dma_map_addr_failure),
2182 kprintf("bce: %s(%d): Simulating DMA mapping error.\n",
2183 __FILE__, __LINE__);
2184 error = ENOMEM);
2185
2186 /* Check for an error and signal the caller that an error occurred. */
2187 if (error)
2188 return;
2189
ed20d0e3 2190 KASSERT(nseg == 1, ("only one segment is allowed"));
43c2aeb0
SZ		 2191 *busaddr = segs->ds_addr;
2192}
2193
2194
43c2aeb0
SZ		 2195/****************************************************************************/
2196/* Allocate any DMA memory needed by the driver. */
2197/* */
2198/* Allocates DMA memory needed for the various global structures needed by */
2199/* hardware. */
2200/* */
cffea833 2201/* Memory alignment requirements: */
d0092544
SZ		 2202/* -----------------+----------+----------+----------+----------+ */
2203/* Data Structure | 5706 | 5708 | 5709 | 5716 | */
2204/* -----------------+----------+----------+----------+----------+ */
2205/* Status Block | 8 bytes | 8 bytes | 16 bytes | 16 bytes | */
2206/* Statistics Block | 8 bytes | 8 bytes | 16 bytes | 16 bytes | */
2207/* RX Buffers | 16 bytes | 16 bytes | 16 bytes | 16 bytes | */
2208/* PG Buffers | none | none | none | none | */
2209/* TX Buffers | none | none | none | none | */
2210/* Chain Pages(1) | 4KiB | 4KiB | 4KiB | 4KiB | */
2211/* Context Pages(1) | N/A | N/A | 4KiB | 4KiB | */
2212/* -----------------+----------+----------+----------+----------+ */
cffea833
SZ		 2213/* */
2214/* (1) Must align with CPU page size (BCM_PAGE_SZIE). */
2215/* */
43c2aeb0
SZ		 2216/* Returns: */
2217/* 0 for success, positive value for failure. */
2218/****************************************************************************/
2219static int
2220bce_dma_alloc(struct bce_softc *sc)
2221{
2222 struct ifnet *ifp = &sc->arpcom.ac_if;
4b166d4e 2223 int i, j, rc = 0, pages;
d0092544
SZ		 2224 bus_addr_t busaddr, max_busaddr;
2225 bus_size_t status_align, stats_align;
2226
4b166d4e
SZ		 2227 pages = device_getenv_int(sc->bce_dev, "rx_pages", bce_rx_pages);
2228 if (pages <= 0 || pages > RX_PAGES_MAX || !powerof2(pages)) {
2229 device_printf(sc->bce_dev, "invalid # of RX pages\n");
2230 pages = RX_PAGES_DEFAULT;
2231 }
2232 sc->rx_pages = pages;
2233
2234 pages = device_getenv_int(sc->bce_dev, "tx_pages", bce_tx_pages);
2235 if (pages <= 0 || pages > TX_PAGES_MAX || !powerof2(pages)) {
2236 device_printf(sc->bce_dev, "invalid # of TX pages\n");
2237 pages = TX_PAGES_DEFAULT;
2238 }
2239 sc->tx_pages = pages;
2240
2241 sc->tx_bd_chain_map = kmalloc(sizeof(bus_dmamap_t) * sc->tx_pages,
2242 M_DEVBUF, M_WAITOK | M_ZERO);
2243 sc->tx_bd_chain = kmalloc(sizeof(struct tx_bd *) * sc->tx_pages,
2244 M_DEVBUF, M_WAITOK | M_ZERO);
2245 sc->tx_bd_chain_paddr = kmalloc(sizeof(bus_addr_t) * sc->tx_pages,
2246 M_DEVBUF, M_WAITOK | M_ZERO);
2247
2248 sc->rx_bd_chain_map = kmalloc(sizeof(bus_dmamap_t) * sc->rx_pages,
2249 M_DEVBUF, M_WAITOK | M_ZERO);
2250 sc->rx_bd_chain = kmalloc(sizeof(struct rx_bd *) * sc->rx_pages,
2251 M_DEVBUF, M_WAITOK | M_ZERO);
2252 sc->rx_bd_chain_paddr = kmalloc(sizeof(bus_addr_t) * sc->rx_pages,
2253 M_DEVBUF, M_WAITOK | M_ZERO);
2254
2255 sc->tx_mbuf_map = kmalloc(sizeof(bus_dmamap_t) * TOTAL_TX_BD(sc),
2256 M_DEVBUF, M_WAITOK | M_ZERO);
2257 sc->tx_mbuf_ptr = kmalloc(sizeof(struct mbuf *) * TOTAL_TX_BD(sc),
2258 M_DEVBUF, M_WAITOK | M_ZERO);
2259
2260 sc->rx_mbuf_map = kmalloc(sizeof(bus_dmamap_t) * TOTAL_RX_BD(sc),
2261 M_DEVBUF, M_WAITOK | M_ZERO);
2262 sc->rx_mbuf_ptr = kmalloc(sizeof(struct mbuf *) * TOTAL_RX_BD(sc),
2263 M_DEVBUF, M_WAITOK | M_ZERO);
2264 sc->rx_mbuf_paddr = kmalloc(sizeof(bus_addr_t) * TOTAL_RX_BD(sc),
2265 M_DEVBUF, M_WAITOK | M_ZERO);
2266
2267 /*
d0092544
SZ		 2268 * The embedded PCIe to PCI-X bridge (EPB)
2269 * in the 5708 cannot address memory above
2270 * 40 bits (E7_5708CB1_23043 & E6_5708SB1_23043).
2271 */
2272 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5708)
2273 max_busaddr = BCE_BUS_SPACE_MAXADDR;
2274 else
2275 max_busaddr = BUS_SPACE_MAXADDR;
2276
2277 /*
2278 * BCM5709 and BCM5716 uses host memory as cache for context memory.
2279 */
2280 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
2281 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
2282 sc->ctx_pages = BCE_CTX_BLK_SZ / BCM_PAGE_SIZE;
2283 if (sc->ctx_pages == 0)
2284 sc->ctx_pages = 1;
2285 if (sc->ctx_pages > BCE_CTX_PAGES) {
2286 device_printf(sc->bce_dev, "excessive ctx pages %d\n",
2287 sc->ctx_pages);
2288 return ENOMEM;
2289 }
2290 status_align = 16;
2291 stats_align = 16;
2292 } else {
2293 status_align = 8;
2294 stats_align = 8;
2295 }
43c2aeb0
SZ		 2296
2297 /*
2298 * Allocate the parent bus DMA tag appropriate for PCI.
2299 */
2300 rc = bus_dma_tag_create(NULL, 1, BCE_DMA_BOUNDARY,
d0092544 2301 max_busaddr, BUS_SPACE_MAXADDR,
43c2aeb0 2302 NULL, NULL,
45010e4d 2303 BUS_SPACE_MAXSIZE_32BIT, 0,
43c2aeb0
SZ		 2304 BUS_SPACE_MAXSIZE_32BIT,
2305 0, &sc->parent_tag);
2306 if (rc != 0) {
2307 if_printf(ifp, "Could not allocate parent DMA tag!\n");
2308 return rc;
2309 }
2310
2311 /*
4a458e9d 2312 * Allocate status block.
43c2aeb0 2313 */
4a458e9d 2314 sc->status_block = bus_dmamem_coherent_any(sc->parent_tag,
d0092544 2315 status_align, BCE_STATUS_BLK_SZ,
4a458e9d
SZ		 2316 BUS_DMA_WAITOK | BUS_DMA_ZERO,
2317 &sc->status_tag, &sc->status_map,
2318 &sc->status_block_paddr);
2319 if (sc->status_block == NULL) {
2320 if_printf(ifp, "Could not allocate status block!\n");
2321 return ENOMEM;
43c2aeb0
SZ		 2322 }
2323
43c2aeb0 2324 /*
4a458e9d 2325 * Allocate statistics block.
43c2aeb0 2326 */
4a458e9d 2327 sc->stats_block = bus_dmamem_coherent_any(sc->parent_tag,
d0092544 2328 stats_align, BCE_STATS_BLK_SZ,
4a458e9d
SZ		 2329 BUS_DMA_WAITOK | BUS_DMA_ZERO,
2330 &sc->stats_tag, &sc->stats_map,
2331 &sc->stats_block_paddr);
2332 if (sc->stats_block == NULL) {
2333 if_printf(ifp, "Could not allocate statistics block!\n");
2334 return ENOMEM;
43c2aeb0
SZ		 2335 }
2336
43c2aeb0 2337 /*
d0092544
SZ		 2338 * Allocate context block, if needed
2339 */
2340 if (sc->ctx_pages != 0) {
2341 rc = bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, 0,
2342 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
2343 NULL, NULL,
2344 BCM_PAGE_SIZE, 1, BCM_PAGE_SIZE,
2345 0, &sc->ctx_tag);
2346 if (rc != 0) {
2347 if_printf(ifp, "Could not allocate "
2348 "context block DMA tag!\n");
2349 return rc;
2350 }
2351
2352 for (i = 0; i < sc->ctx_pages; i++) {
2353 rc = bus_dmamem_alloc(sc->ctx_tag,
2354 (void **)&sc->ctx_block[i],
2355 BUS_DMA_WAITOK | BUS_DMA_ZERO |
2356 BUS_DMA_COHERENT,
2357 &sc->ctx_map[i]);
2358 if (rc != 0) {
2359 if_printf(ifp, "Could not allocate %dth context "
2360 "DMA memory!\n", i);
2361 return rc;
2362 }
2363
2364 rc = bus_dmamap_load(sc->ctx_tag, sc->ctx_map[i],
2365 sc->ctx_block[i], BCM_PAGE_SIZE,
2366 bce_dma_map_addr, &busaddr,
2367 BUS_DMA_WAITOK);
2368 if (rc != 0) {
2369 if (rc == EINPROGRESS) {
2370 panic("%s coherent memory loading "
2371 "is still in progress!", ifp->if_xname);
2372 }
2373 if_printf(ifp, "Could not map %dth context "
2374 "DMA memory!\n", i);
2375 bus_dmamem_free(sc->ctx_tag, sc->ctx_block[i],
2376 sc->ctx_map[i]);
2377 sc->ctx_block[i] = NULL;
2378 return rc;
2379 }
2380 sc->ctx_paddr[i] = busaddr;
2381 }
2382 }
2383
2384 /*
43c2aeb0
SZ		 2385 * Create a DMA tag for the TX buffer descriptor chain,
2386 * allocate and clear the memory, and fetch the
2387 * physical address of the block.
2388 */
4a458e9d
SZ		 2389 rc = bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, 0,
2390 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
43c2aeb0
SZ		 2391 NULL, NULL,
2392 BCE_TX_CHAIN_PAGE_SZ, 1, BCE_TX_CHAIN_PAGE_SZ,
2393 0, &sc->tx_bd_chain_tag);
2394 if (rc != 0) {
2395 if_printf(ifp, "Could not allocate "
2396 "TX descriptor chain DMA tag!\n");
2397 return rc;
2398 }
2399
4b166d4e 2400 for (i = 0; i < sc->tx_pages; i++) {
43c2aeb0
SZ		 2401 rc = bus_dmamem_alloc(sc->tx_bd_chain_tag,
2402 (void **)&sc->tx_bd_chain[i],
4a458e9d
SZ		 2403 BUS_DMA_WAITOK | BUS_DMA_ZERO |
2404 BUS_DMA_COHERENT,
2405 &sc->tx_bd_chain_map[i]);
43c2aeb0
SZ		 2406 if (rc != 0) {
2407 if_printf(ifp, "Could not allocate %dth TX descriptor "
2408 "chain DMA memory!\n", i);
2409 return rc;
2410 }
2411
2412 rc = bus_dmamap_load(sc->tx_bd_chain_tag,
2413 sc->tx_bd_chain_map[i],
2414 sc->tx_bd_chain[i], BCE_TX_CHAIN_PAGE_SZ,
2415 bce_dma_map_addr, &busaddr,
2416 BUS_DMA_WAITOK);
2417 if (rc != 0) {
4a458e9d
SZ		 2418 if (rc == EINPROGRESS) {
2419 panic("%s coherent memory loading "
2420 "is still in progress!", ifp->if_xname);
2421 }
43c2aeb0
SZ		 2422 if_printf(ifp, "Could not map %dth TX descriptor "
2423 "chain DMA memory!\n", i);
2424 bus_dmamem_free(sc->tx_bd_chain_tag,
2425 sc->tx_bd_chain[i],
2426 sc->tx_bd_chain_map[i]);
2427 sc->tx_bd_chain[i] = NULL;
2428 return rc;
2429 }
2430
2431 sc->tx_bd_chain_paddr[i] = busaddr;
2432 /* DRC - Fix for 64 bit systems. */
2433 DBPRINT(sc, BCE_INFO, "tx_bd_chain_paddr[%d] = 0x%08X\n",
2434 i, (uint32_t)sc->tx_bd_chain_paddr[i]);
2435 }
2436
2437 /* Create a DMA tag for TX mbufs. */
45010e4d
SZ		 2438 rc = bus_dma_tag_create(sc->parent_tag, 1, 0,
2439 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
43c2aeb0 2440 NULL, NULL,
eefd160d
SZ		 2441 IP_MAXPACKET + sizeof(struct ether_vlan_header),
2442 BCE_MAX_SEGMENTS, PAGE_SIZE,
45010e4d
SZ		 2443 BUS_DMA_ALLOCNOW | BUS_DMA_WAITOK |
2444 BUS_DMA_ONEBPAGE,
2445 &sc->tx_mbuf_tag);
43c2aeb0
SZ		 2446 if (rc != 0) {
2447 if_printf(ifp, "Could not allocate TX mbuf DMA tag!\n");
2448 return rc;
2449 }
2450
2451 /* Create DMA maps for the TX mbufs clusters. */
4b166d4e 2452 for (i = 0; i < TOTAL_TX_BD(sc); i++) {
45010e4d
SZ		 2453 rc = bus_dmamap_create(sc->tx_mbuf_tag,
2454 BUS_DMA_WAITOK | BUS_DMA_ONEBPAGE,
43c2aeb0
SZ		 2455 &sc->tx_mbuf_map[i]);
2456 if (rc != 0) {
2457 for (j = 0; j < i; ++j) {
2458 bus_dmamap_destroy(sc->tx_mbuf_tag,
2459 sc->tx_mbuf_map[i]);
2460 }
2461 bus_dma_tag_destroy(sc->tx_mbuf_tag);
2462 sc->tx_mbuf_tag = NULL;
2463
2464 if_printf(ifp, "Unable to create "
2465 "%dth TX mbuf DMA map!\n", i);
2466 return rc;
2467 }
2468 }
2469
2470 /*
2471 * Create a DMA tag for the RX buffer descriptor chain,
2472 * allocate and clear the memory, and fetch the physical
2473 * address of the blocks.
2474 */
4a458e9d
SZ		 2475 rc = bus_dma_tag_create(sc->parent_tag, BCM_PAGE_SIZE, 0,
2476 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
43c2aeb0
SZ		 2477 NULL, NULL,
2478 BCE_RX_CHAIN_PAGE_SZ, 1, BCE_RX_CHAIN_PAGE_SZ,
2479 0, &sc->rx_bd_chain_tag);
2480 if (rc != 0) {
2481 if_printf(ifp, "Could not allocate "
2482 "RX descriptor chain DMA tag!\n");
2483 return rc;
2484 }
2485
4b166d4e 2486 for (i = 0; i < sc->rx_pages; i++) {
43c2aeb0
SZ		 2487 rc = bus_dmamem_alloc(sc->rx_bd_chain_tag,
2488 (void **)&sc->rx_bd_chain[i],
4a458e9d
SZ		 2489 BUS_DMA_WAITOK | BUS_DMA_ZERO |
2490 BUS_DMA_COHERENT,
43c2aeb0
SZ		 2491 &sc->rx_bd_chain_map[i]);
2492 if (rc != 0) {
2493 if_printf(ifp, "Could not allocate %dth RX descriptor "
2494 "chain DMA memory!\n", i);
2495 return rc;
2496 }
2497
2498 rc = bus_dmamap_load(sc->rx_bd_chain_tag,
2499 sc->rx_bd_chain_map[i],
2500 sc->rx_bd_chain[i], BCE_RX_CHAIN_PAGE_SZ,
2501 bce_dma_map_addr, &busaddr,
2502 BUS_DMA_WAITOK);
2503 if (rc != 0) {
4a458e9d
SZ		 2504 if (rc == EINPROGRESS) {
2505 panic("%s coherent memory loading "
2506 "is still in progress!", ifp->if_xname);
2507 }
43c2aeb0
SZ		 2508 if_printf(ifp, "Could not map %dth RX descriptor "
2509 "chain DMA memory!\n", i);
2510 bus_dmamem_free(sc->rx_bd_chain_tag,
2511 sc->rx_bd_chain[i],
2512 sc->rx_bd_chain_map[i]);
2513 sc->rx_bd_chain[i] = NULL;
2514 return rc;
2515 }
2516
2517 sc->rx_bd_chain_paddr[i] = busaddr;
2518 /* DRC - Fix for 64 bit systems. */
2519 DBPRINT(sc, BCE_INFO, "rx_bd_chain_paddr[%d] = 0x%08X\n",
2520 i, (uint32_t)sc->rx_bd_chain_paddr[i]);
2521 }
2522
2523 /* Create a DMA tag for RX mbufs. */
cffea833 2524 rc = bus_dma_tag_create(sc->parent_tag, BCE_DMA_RX_ALIGN, 0,
45010e4d 2525 BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
43c2aeb0 2526 NULL, NULL,
45010e4d 2527 MCLBYTES, 1, MCLBYTES,
cffea833
SZ		 2528 BUS_DMA_ALLOCNOW | BUS_DMA_ALIGNED |
2529 BUS_DMA_WAITOK,
45010e4d 2530 &sc->rx_mbuf_tag);
43c2aeb0
SZ		 2531 if (rc != 0) {
2532 if_printf(ifp, "Could not allocate RX mbuf DMA tag!\n");
2533 return rc;
2534 }
2535
c36fd9ee
SZ		 2536 /* Create tmp DMA map for RX mbuf clusters. */
2537 rc = bus_dmamap_create(sc->rx_mbuf_tag, BUS_DMA_WAITOK,
2538 &sc->rx_mbuf_tmpmap);
2539 if (rc != 0) {
2540 bus_dma_tag_destroy(sc->rx_mbuf_tag);
2541 sc->rx_mbuf_tag = NULL;
2542
2543 if_printf(ifp, "Could not create RX mbuf tmp DMA map!\n");
2544 return rc;
2545 }
2546
43c2aeb0 2547 /* Create DMA maps for the RX mbuf clusters. */
4b166d4e 2548 for (i = 0; i < TOTAL_RX_BD(sc); i++) {
43c2aeb0
SZ		 2549 rc = bus_dmamap_create(sc->rx_mbuf_tag, BUS_DMA_WAITOK,
2550 &sc->rx_mbuf_map[i]);
2551 if (rc != 0) {
2552 for (j = 0; j < i; ++j) {
2553 bus_dmamap_destroy(sc->rx_mbuf_tag,
2554 sc->rx_mbuf_map[j]);
2555 }
2556 bus_dma_tag_destroy(sc->rx_mbuf_tag);
2557 sc->rx_mbuf_tag = NULL;
2558
2559 if_printf(ifp, "Unable to create "
2560 "%dth RX mbuf DMA map!\n", i);
2561 return rc;
2562 }
2563 }
2564 return 0;
2565}
2566
2567
2568/****************************************************************************/
2569/* Firmware synchronization. */
2570/* */
2571/* Before performing certain events such as a chip reset, synchronize with */
2572/* the firmware first. */
2573/* */
2574/* Returns: */
2575/* 0 for success, positive value for failure. */
2576/****************************************************************************/
2577static int
2578bce_fw_sync(struct bce_softc *sc, uint32_t msg_data)
2579{
2580 int i, rc = 0;
2581 uint32_t val;
2582
2583 /* Don't waste any time if we've timed out before. */
2584 if (sc->bce_fw_timed_out)
2585 return EBUSY;
2586
2587 /* Increment the message sequence number. */
2588 sc->bce_fw_wr_seq++;
2589 msg_data |= sc->bce_fw_wr_seq;
2590
2591 DBPRINT(sc, BCE_VERBOSE, "bce_fw_sync(): msg_data = 0x%08X\n", msg_data);
2592
2593 /* Send the message to the bootcode driver mailbox. */
bc30d40d 2594 bce_shmem_wr(sc, BCE_DRV_MB, msg_data);
43c2aeb0
SZ		 2595
2596 /* Wait for the bootcode to acknowledge the message. */
2597 for (i = 0; i < FW_ACK_TIME_OUT_MS; i++) {
2598 /* Check for a response in the bootcode firmware mailbox. */
bc30d40d 2599 val = bce_shmem_rd(sc, BCE_FW_MB);
43c2aeb0
SZ		 2600 if ((val & BCE_FW_MSG_ACK) == (msg_data & BCE_DRV_MSG_SEQ))
2601 break;
2602 DELAY(1000);
2603 }
2604
2605 /* If we've timed out, tell the bootcode that we've stopped waiting. */
2606 if ((val & BCE_FW_MSG_ACK) != (msg_data & BCE_DRV_MSG_SEQ) &&
2607 (msg_data & BCE_DRV_MSG_DATA) != BCE_DRV_MSG_DATA_WAIT0) {
2608 if_printf(&sc->arpcom.ac_if,
2609 "Firmware synchronization timeout! "
2610 "msg_data = 0x%08X\n", msg_data);
2611
2612 msg_data &= ~BCE_DRV_MSG_CODE;
2613 msg_data |= BCE_DRV_MSG_CODE_FW_TIMEOUT;
2614
bc30d40d 2615 bce_shmem_wr(sc, BCE_DRV_MB, msg_data);
43c2aeb0
SZ		 2616
2617 sc->bce_fw_timed_out = 1;
2618 rc = EBUSY;
2619 }
2620 return rc;
2621}
2622
2623
2624/****************************************************************************/
2625/* Load Receive Virtual 2 Physical (RV2P) processor firmware. */
2626/* */
2627/* Returns: */
2628/* Nothing. */
2629/****************************************************************************/
2630static void
2631bce_load_rv2p_fw(struct bce_softc *sc, uint32_t *rv2p_code,
2632 uint32_t rv2p_code_len, uint32_t rv2p_proc)
2633{
2634 int i;
2635 uint32_t val;
2636
2637 for (i = 0; i < rv2p_code_len; i += 8) {
2638 REG_WR(sc, BCE_RV2P_INSTR_HIGH, *rv2p_code);
2639 rv2p_code++;
2640 REG_WR(sc, BCE_RV2P_INSTR_LOW, *rv2p_code);
2641 rv2p_code++;
2642
2643 if (rv2p_proc == RV2P_PROC1) {
2644 val = (i / 8) | BCE_RV2P_PROC1_ADDR_CMD_RDWR;
2645 REG_WR(sc, BCE_RV2P_PROC1_ADDR_CMD, val);
2646 } else {
2647 val = (i / 8) | BCE_RV2P_PROC2_ADDR_CMD_RDWR;
2648 REG_WR(sc, BCE_RV2P_PROC2_ADDR_CMD, val);
2649 }
2650 }
2651
2652 /* Reset the processor, un-stall is done later. */
2653 if (rv2p_proc == RV2P_PROC1)
2654 REG_WR(sc, BCE_RV2P_COMMAND, BCE_RV2P_COMMAND_PROC1_RESET);
2655 else
2656 REG_WR(sc, BCE_RV2P_COMMAND, BCE_RV2P_COMMAND_PROC2_RESET);
2657}
2658
2659
2660/****************************************************************************/
2661/* Load RISC processor firmware. */
2662/* */
2663/* Loads firmware from the file if_bcefw.h into the scratchpad memory */
2664/* associated with a particular processor. */
2665/* */
2666/* Returns: */
2667/* Nothing. */
2668/****************************************************************************/
2669static void
2670bce_load_cpu_fw(struct bce_softc *sc, struct cpu_reg *cpu_reg,
2671 struct fw_info *fw)
2672{
5d05a208 2673 uint32_t offset;
43c2aeb0
SZ		 2674 int j;
2675
5d05a208 2676 bce_halt_cpu(sc, cpu_reg);
43c2aeb0
SZ		 2677
2678 /* Load the Text area. */
2679 offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
2680 if (fw->text) {
2681 for (j = 0; j < (fw->text_len / 4); j++, offset += 4)
2682 REG_WR_IND(sc, offset, fw->text[j]);
2683 }
2684
2685 /* Load the Data area. */
2686 offset = cpu_reg->spad_base + (fw->data_addr - cpu_reg->mips_view_base);
2687 if (fw->data) {
2688 for (j = 0; j < (fw->data_len / 4); j++, offset += 4)
2689 REG_WR_IND(sc, offset, fw->data[j]);
2690 }
2691
2692 /* Load the SBSS area. */
2693 offset = cpu_reg->spad_base + (fw->sbss_addr - cpu_reg->mips_view_base);
2694 if (fw->sbss) {
2695 for (j = 0; j < (fw->sbss_len / 4); j++, offset += 4)
2696 REG_WR_IND(sc, offset, fw->sbss[j]);
2697 }
2698
2699 /* Load the BSS area. */
2700 offset = cpu_reg->spad_base + (fw->bss_addr - cpu_reg->mips_view_base);
2701 if (fw->bss) {
2702 for (j = 0; j < (fw->bss_len/4); j++, offset += 4)
2703 REG_WR_IND(sc, offset, fw->bss[j]);
2704 }
2705
2706 /* Load the Read-Only area. */
2707 offset = cpu_reg->spad_base +
2708 (fw->rodata_addr - cpu_reg->mips_view_base);
2709 if (fw->rodata) {
2710 for (j = 0; j < (fw->rodata_len / 4); j++, offset += 4)
2711 REG_WR_IND(sc, offset, fw->rodata[j]);
2712 }
2713
5d05a208 2714 /* Clear the pre-fetch instruction and set the FW start address. */
43c2aeb0
SZ		 2715 REG_WR_IND(sc, cpu_reg->inst, 0);
2716 REG_WR_IND(sc, cpu_reg->pc, fw->start_addr);
5d05a208
SZ		 2717}
2718
2719
2720/****************************************************************************/
2721/* Starts the RISC processor. */
2722/* */
2723/* Assumes the CPU starting address has already been set. */
2724/* */
2725/* Returns: */
2726/* Nothing. */
2727/****************************************************************************/
2728static void
2729bce_start_cpu(struct bce_softc *sc, struct cpu_reg *cpu_reg)
2730{
2731 uint32_t val;
43c2aeb0
SZ		 2732
2733 /* Start the CPU. */
2734 val = REG_RD_IND(sc, cpu_reg->mode);
2735 val &= ~cpu_reg->mode_value_halt;
2736 REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear);
2737 REG_WR_IND(sc, cpu_reg->mode, val);
2738}
2739
2740
2741/****************************************************************************/
5d05a208
SZ		 2742/* Halts the RISC processor. */
2743/* */
2744/* Returns: */
2745/* Nothing. */
2746/****************************************************************************/
2747static void
2748bce_halt_cpu(struct bce_softc *sc, struct cpu_reg *cpu_reg)
2749{
2750 uint32_t val;
2751
2752 /* Halt the CPU. */
2753 val = REG_RD_IND(sc, cpu_reg->mode);
2754 val |= cpu_reg->mode_value_halt;
2755 REG_WR_IND(sc, cpu_reg->mode, val);
2756 REG_WR_IND(sc, cpu_reg->state, cpu_reg->state_value_clear);
2757}
2758
2759
2760/****************************************************************************/
2761/* Start the RX CPU. */
2762/* */
2763/* Returns: */
2764/* Nothing. */
2765/****************************************************************************/
2766static void
2767bce_start_rxp_cpu(struct bce_softc *sc)
2768{
2769 struct cpu_reg cpu_reg;
2770
2771 cpu_reg.mode = BCE_RXP_CPU_MODE;
2772 cpu_reg.mode_value_halt = BCE_RXP_CPU_MODE_SOFT_HALT;
2773 cpu_reg.mode_value_sstep = BCE_RXP_CPU_MODE_STEP_ENA;
2774 cpu_reg.state = BCE_RXP_CPU_STATE;
2775 cpu_reg.state_value_clear = 0xffffff;
2776 cpu_reg.gpr0 = BCE_RXP_CPU_REG_FILE;
2777 cpu_reg.evmask = BCE_RXP_CPU_EVENT_MASK;
2778 cpu_reg.pc = BCE_RXP_CPU_PROGRAM_COUNTER;
2779 cpu_reg.inst = BCE_RXP_CPU_INSTRUCTION;
2780 cpu_reg.bp = BCE_RXP_CPU_HW_BREAKPOINT;
2781 cpu_reg.spad_base = BCE_RXP_SCRATCH;
2782 cpu_reg.mips_view_base = 0x8000000;
2783
2784 bce_start_cpu(sc, &cpu_reg);
2785}
2786
2787
2788/****************************************************************************/
d0092544 2789/* Initialize the RX CPU. */
43c2aeb0
SZ		 2790/* */
2791/* Returns: */
2792/* Nothing. */
2793/****************************************************************************/
2794static void
d0092544 2795bce_init_rxp_cpu(struct bce_softc *sc)
43c2aeb0
SZ		 2796{
2797 struct cpu_reg cpu_reg;
2798 struct fw_info fw;
2799
43c2aeb0
SZ		 2800 cpu_reg.mode = BCE_RXP_CPU_MODE;
2801 cpu_reg.mode_value_halt = BCE_RXP_CPU_MODE_SOFT_HALT;
2802 cpu_reg.mode_value_sstep = BCE_RXP_CPU_MODE_STEP_ENA;
2803 cpu_reg.state = BCE_RXP_CPU_STATE;
2804 cpu_reg.state_value_clear = 0xffffff;
2805 cpu_reg.gpr0 = BCE_RXP_CPU_REG_FILE;
2806 cpu_reg.evmask = BCE_RXP_CPU_EVENT_MASK;
2807 cpu_reg.pc = BCE_RXP_CPU_PROGRAM_COUNTER;
2808 cpu_reg.inst = BCE_RXP_CPU_INSTRUCTION;
2809 cpu_reg.bp = BCE_RXP_CPU_HW_BREAKPOINT;
2810 cpu_reg.spad_base = BCE_RXP_SCRATCH;
2811 cpu_reg.mips_view_base = 0x8000000;
2812
d0092544
SZ		 2813 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
2814 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
2815 fw.ver_major = bce_RXP_b09FwReleaseMajor;
2816 fw.ver_minor = bce_RXP_b09FwReleaseMinor;
2817 fw.ver_fix = bce_RXP_b09FwReleaseFix;
2818 fw.start_addr = bce_RXP_b09FwStartAddr;
2819
2820 fw.text_addr = bce_RXP_b09FwTextAddr;
2821 fw.text_len = bce_RXP_b09FwTextLen;
2822 fw.text_index = 0;
2823 fw.text = bce_RXP_b09FwText;
2824
2825 fw.data_addr = bce_RXP_b09FwDataAddr;
2826 fw.data_len = bce_RXP_b09FwDataLen;
2827 fw.data_index = 0;
2828 fw.data = bce_RXP_b09FwData;
2829
2830 fw.sbss_addr = bce_RXP_b09FwSbssAddr;
2831 fw.sbss_len = bce_RXP_b09FwSbssLen;
2832 fw.sbss_index = 0;
2833 fw.sbss = bce_RXP_b09FwSbss;
2834
2835 fw.bss_addr = bce_RXP_b09FwBssAddr;
2836 fw.bss_len = bce_RXP_b09FwBssLen;
2837 fw.bss_index = 0;
2838 fw.bss = bce_RXP_b09FwBss;
2839
2840 fw.rodata_addr = bce_RXP_b09FwRodataAddr;
2841 fw.rodata_len = bce_RXP_b09FwRodataLen;
2842 fw.rodata_index = 0;
2843 fw.rodata = bce_RXP_b09FwRodata;
2844 } else {
2845 fw.ver_major = bce_RXP_b06FwReleaseMajor;
2846 fw.ver_minor = bce_RXP_b06FwReleaseMinor;
2847 fw.ver_fix = bce_RXP_b06FwReleaseFix;
2848 fw.start_addr = bce_RXP_b06FwStartAddr;
2849
2850 fw.text_addr = bce_RXP_b06FwTextAddr;
2851 fw.text_len = bce_RXP_b06FwTextLen;
2852 fw.text_index = 0;
2853 fw.text = bce_RXP_b06FwText;
2854
2855 fw.data_addr = bce_RXP_b06FwDataAddr;
2856 fw.data_len = bce_RXP_b06FwDataLen;
2857 fw.data_index = 0;
2858 fw.data = bce_RXP_b06FwData;
2859
2860 fw.sbss_addr = bce_RXP_b06FwSbssAddr;
2861 fw.sbss_len = bce_RXP_b06FwSbssLen;
2862 fw.sbss_index = 0;
2863 fw.sbss = bce_RXP_b06FwSbss;
2864
2865 fw.bss_addr = bce_RXP_b06FwBssAddr;
2866 fw.bss_len = bce_RXP_b06FwBssLen;
2867 fw.bss_index = 0;
2868 fw.bss = bce_RXP_b06FwBss;
2869
2870 fw.rodata_addr = bce_RXP_b06FwRodataAddr;
2871 fw.rodata_len = bce_RXP_b06FwRodataLen;
2872 fw.rodata_index = 0;
2873 fw.rodata = bce_RXP_b06FwRodata;
2874 }
43c2aeb0
SZ		 2875
2876 DBPRINT(sc, BCE_INFO_RESET, "Loading RX firmware.\n");
2877 bce_load_cpu_fw(sc, &cpu_reg, &fw);
5d05a208 2878 /* Delay RXP start until initialization is complete. */
d0092544
SZ		 2879}
2880
2881
2882/****************************************************************************/
2883/* Initialize the TX CPU. */
2884/* */
2885/* Returns: */
2886/* Nothing. */
2887/****************************************************************************/
2888static void
2889bce_init_txp_cpu(struct bce_softc *sc)
2890{
2891 struct cpu_reg cpu_reg;
2892 struct fw_info fw;
43c2aeb0 2893
43c2aeb0
SZ		 2894 cpu_reg.mode = BCE_TXP_CPU_MODE;
2895 cpu_reg.mode_value_halt = BCE_TXP_CPU_MODE_SOFT_HALT;
2896 cpu_reg.mode_value_sstep = BCE_TXP_CPU_MODE_STEP_ENA;
2897 cpu_reg.state = BCE_TXP_CPU_STATE;
2898 cpu_reg.state_value_clear = 0xffffff;
2899 cpu_reg.gpr0 = BCE_TXP_CPU_REG_FILE;
2900 cpu_reg.evmask = BCE_TXP_CPU_EVENT_MASK;
2901 cpu_reg.pc = BCE_TXP_CPU_PROGRAM_COUNTER;
2902 cpu_reg.inst = BCE_TXP_CPU_INSTRUCTION;
2903 cpu_reg.bp = BCE_TXP_CPU_HW_BREAKPOINT;
2904 cpu_reg.spad_base = BCE_TXP_SCRATCH;
2905 cpu_reg.mips_view_base = 0x8000000;
2906
d0092544
SZ		 2907 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
2908 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
2909 fw.ver_major = bce_TXP_b09FwReleaseMajor;
2910 fw.ver_minor = bce_TXP_b09FwReleaseMinor;
2911 fw.ver_fix = bce_TXP_b09FwReleaseFix;
2912 fw.start_addr = bce_TXP_b09FwStartAddr;
2913
2914 fw.text_addr = bce_TXP_b09FwTextAddr;
2915 fw.text_len = bce_TXP_b09FwTextLen;
2916 fw.text_index = 0;
2917 fw.text = bce_TXP_b09FwText;
2918
2919 fw.data_addr = bce_TXP_b09FwDataAddr;
2920 fw.data_len = bce_TXP_b09FwDataLen;
2921 fw.data_index = 0;
2922 fw.data = bce_TXP_b09FwData;
2923
2924 fw.sbss_addr = bce_TXP_b09FwSbssAddr;
2925 fw.sbss_len = bce_TXP_b09FwSbssLen;
2926 fw.sbss_index = 0;
2927 fw.sbss = bce_TXP_b09FwSbss;
2928
2929 fw.bss_addr = bce_TXP_b09FwBssAddr;
2930 fw.bss_len = bce_TXP_b09FwBssLen;
2931 fw.bss_index = 0;
2932 fw.bss = bce_TXP_b09FwBss;
2933
2934 fw.rodata_addr = bce_TXP_b09FwRodataAddr;
2935 fw.rodata_len = bce_TXP_b09FwRodataLen;
2936 fw.rodata_index = 0;
2937 fw.rodata = bce_TXP_b09FwRodata;
2938 } else {
2939 fw.ver_major = bce_TXP_b06FwReleaseMajor;
2940 fw.ver_minor = bce_TXP_b06FwReleaseMinor;
2941 fw.ver_fix = bce_TXP_b06FwReleaseFix;
2942 fw.start_addr = bce_TXP_b06FwStartAddr;
2943
2944 fw.text_addr = bce_TXP_b06FwTextAddr;
2945 fw.text_len = bce_TXP_b06FwTextLen;
2946 fw.text_index = 0;
2947 fw.text = bce_TXP_b06FwText;
2948
2949 fw.data_addr = bce_TXP_b06FwDataAddr;
2950 fw.data_len = bce_TXP_b06FwDataLen;
2951 fw.data_index = 0;
2952 fw.data = bce_TXP_b06FwData;
2953
2954 fw.sbss_addr = bce_TXP_b06FwSbssAddr;
2955 fw.sbss_len = bce_TXP_b06FwSbssLen;
2956 fw.sbss_index = 0;
2957 fw.sbss = bce_TXP_b06FwSbss;
2958
2959 fw.bss_addr = bce_TXP_b06FwBssAddr;
2960 fw.bss_len = bce_TXP_b06FwBssLen;
2961 fw.bss_index = 0;
2962 fw.bss = bce_TXP_b06FwBss;
2963
2964 fw.rodata_addr = bce_TXP_b06FwRodataAddr;
2965 fw.rodata_len = bce_TXP_b06FwRodataLen;
2966 fw.rodata_index = 0;
2967 fw.rodata = bce_TXP_b06FwRodata;
2968 }
43c2aeb0
SZ		 2969
2970 DBPRINT(sc, BCE_INFO_RESET, "Loading TX firmware.\n");
2971 bce_load_cpu_fw(sc, &cpu_reg, &fw);
5d05a208 2972 bce_start_cpu(sc, &cpu_reg);
d0092544
SZ		 2973}
2974
2975
2976/****************************************************************************/
2977/* Initialize the TPAT CPU. */
2978/* */
2979/* Returns: */
2980/* Nothing. */
2981/****************************************************************************/
2982static void
2983bce_init_tpat_cpu(struct bce_softc *sc)
2984{
2985 struct cpu_reg cpu_reg;
2986 struct fw_info fw;
43c2aeb0 2987
43c2aeb0
SZ		 2988 cpu_reg.mode = BCE_TPAT_CPU_MODE;
2989 cpu_reg.mode_value_halt = BCE_TPAT_CPU_MODE_SOFT_HALT;
2990 cpu_reg.mode_value_sstep = BCE_TPAT_CPU_MODE_STEP_ENA;
2991 cpu_reg.state = BCE_TPAT_CPU_STATE;
2992 cpu_reg.state_value_clear = 0xffffff;
2993 cpu_reg.gpr0 = BCE_TPAT_CPU_REG_FILE;
2994 cpu_reg.evmask = BCE_TPAT_CPU_EVENT_MASK;
2995 cpu_reg.pc = BCE_TPAT_CPU_PROGRAM_COUNTER;
2996 cpu_reg.inst = BCE_TPAT_CPU_INSTRUCTION;
2997 cpu_reg.bp = BCE_TPAT_CPU_HW_BREAKPOINT;
2998 cpu_reg.spad_base = BCE_TPAT_SCRATCH;
2999 cpu_reg.mips_view_base = 0x8000000;
3000
d0092544
SZ		 3001 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3002 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3003 fw.ver_major = bce_TPAT_b09FwReleaseMajor;
3004 fw.ver_minor = bce_TPAT_b09FwReleaseMinor;
3005 fw.ver_fix = bce_TPAT_b09FwReleaseFix;
3006 fw.start_addr = bce_TPAT_b09FwStartAddr;
3007
3008 fw.text_addr = bce_TPAT_b09FwTextAddr;
3009 fw.text_len = bce_TPAT_b09FwTextLen;
3010 fw.text_index = 0;
3011 fw.text = bce_TPAT_b09FwText;
3012
3013 fw.data_addr = bce_TPAT_b09FwDataAddr;
3014 fw.data_len = bce_TPAT_b09FwDataLen;
3015 fw.data_index = 0;
3016 fw.data = bce_TPAT_b09FwData;
3017
3018 fw.sbss_addr = bce_TPAT_b09FwSbssAddr;
3019 fw.sbss_len = bce_TPAT_b09FwSbssLen;
3020 fw.sbss_index = 0;
3021 fw.sbss = bce_TPAT_b09FwSbss;
3022
3023 fw.bss_addr = bce_TPAT_b09FwBssAddr;
3024 fw.bss_len = bce_TPAT_b09FwBssLen;
3025 fw.bss_index = 0;
3026 fw.bss = bce_TPAT_b09FwBss;
3027
3028 fw.rodata_addr = bce_TPAT_b09FwRodataAddr;
3029 fw.rodata_len = bce_TPAT_b09FwRodataLen;
3030 fw.rodata_index = 0;
3031 fw.rodata = bce_TPAT_b09FwRodata;
3032 } else {
3033 fw.ver_major = bce_TPAT_b06FwReleaseMajor;
3034 fw.ver_minor = bce_TPAT_b06FwReleaseMinor;
3035 fw.ver_fix = bce_TPAT_b06FwReleaseFix;
3036 fw.start_addr = bce_TPAT_b06FwStartAddr;
3037
3038 fw.text_addr = bce_TPAT_b06FwTextAddr;
3039 fw.text_len = bce_TPAT_b06FwTextLen;
3040 fw.text_index = 0;
3041 fw.text = bce_TPAT_b06FwText;
3042
3043 fw.data_addr = bce_TPAT_b06FwDataAddr;
3044 fw.data_len = bce_TPAT_b06FwDataLen;
3045 fw.data_index = 0;
3046 fw.data = bce_TPAT_b06FwData;
3047
3048 fw.sbss_addr = bce_TPAT_b06FwSbssAddr;
3049 fw.sbss_len = bce_TPAT_b06FwSbssLen;
3050 fw.sbss_index = 0;
3051 fw.sbss = bce_TPAT_b06FwSbss;
3052
3053 fw.bss_addr = bce_TPAT_b06FwBssAddr;
3054 fw.bss_len = bce_TPAT_b06FwBssLen;
3055 fw.bss_index = 0;
3056 fw.bss = bce_TPAT_b06FwBss;
3057
3058 fw.rodata_addr = bce_TPAT_b06FwRodataAddr;
3059 fw.rodata_len = bce_TPAT_b06FwRodataLen;
3060 fw.rodata_index = 0;
3061 fw.rodata = bce_TPAT_b06FwRodata;
3062 }
43c2aeb0 3063
d0092544
SZ		 3064 DBPRINT(sc, BCE_INFO_RESET, "Loading TPAT firmware.\n");
3065 bce_load_cpu_fw(sc, &cpu_reg, &fw);
5d05a208 3066 bce_start_cpu(sc, &cpu_reg);
d0092544 3067}
43c2aeb0 3068
43c2aeb0 3069
d0092544
SZ		 3070/****************************************************************************/
3071/* Initialize the CP CPU. */
3072/* */
3073/* Returns: */
3074/* Nothing. */
3075/****************************************************************************/
3076static void
3077bce_init_cp_cpu(struct bce_softc *sc)
3078{
3079 struct cpu_reg cpu_reg;
3080 struct fw_info fw;
43c2aeb0 3081
d0092544
SZ		 3082 cpu_reg.mode = BCE_CP_CPU_MODE;
3083 cpu_reg.mode_value_halt = BCE_CP_CPU_MODE_SOFT_HALT;
3084 cpu_reg.mode_value_sstep = BCE_CP_CPU_MODE_STEP_ENA;
3085 cpu_reg.state = BCE_CP_CPU_STATE;
3086 cpu_reg.state_value_clear = 0xffffff;
3087 cpu_reg.gpr0 = BCE_CP_CPU_REG_FILE;
3088 cpu_reg.evmask = BCE_CP_CPU_EVENT_MASK;
3089 cpu_reg.pc = BCE_CP_CPU_PROGRAM_COUNTER;
3090 cpu_reg.inst = BCE_CP_CPU_INSTRUCTION;
3091 cpu_reg.bp = BCE_CP_CPU_HW_BREAKPOINT;
3092 cpu_reg.spad_base = BCE_CP_SCRATCH;
3093 cpu_reg.mips_view_base = 0x8000000;
43c2aeb0 3094
d0092544
SZ		 3095 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3096 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3097 fw.ver_major = bce_CP_b09FwReleaseMajor;
3098 fw.ver_minor = bce_CP_b09FwReleaseMinor;
3099 fw.ver_fix = bce_CP_b09FwReleaseFix;
3100 fw.start_addr = bce_CP_b09FwStartAddr;
3101
3102 fw.text_addr = bce_CP_b09FwTextAddr;
3103 fw.text_len = bce_CP_b09FwTextLen;
3104 fw.text_index = 0;
3105 fw.text = bce_CP_b09FwText;
3106
3107 fw.data_addr = bce_CP_b09FwDataAddr;
3108 fw.data_len = bce_CP_b09FwDataLen;
3109 fw.data_index = 0;
3110 fw.data = bce_CP_b09FwData;
3111
3112 fw.sbss_addr = bce_CP_b09FwSbssAddr;
3113 fw.sbss_len = bce_CP_b09FwSbssLen;
3114 fw.sbss_index = 0;
3115 fw.sbss = bce_CP_b09FwSbss;
3116
3117 fw.bss_addr = bce_CP_b09FwBssAddr;
3118 fw.bss_len = bce_CP_b09FwBssLen;
3119 fw.bss_index = 0;
3120 fw.bss = bce_CP_b09FwBss;
3121
3122 fw.rodata_addr = bce_CP_b09FwRodataAddr;
3123 fw.rodata_len = bce_CP_b09FwRodataLen;
3124 fw.rodata_index = 0;
3125 fw.rodata = bce_CP_b09FwRodata;
3126 } else {
3127 fw.ver_major = bce_CP_b06FwReleaseMajor;
3128 fw.ver_minor = bce_CP_b06FwReleaseMinor;
3129 fw.ver_fix = bce_CP_b06FwReleaseFix;
3130 fw.start_addr = bce_CP_b06FwStartAddr;
3131
3132 fw.text_addr = bce_CP_b06FwTextAddr;
3133 fw.text_len = bce_CP_b06FwTextLen;
3134 fw.text_index = 0;
3135 fw.text = bce_CP_b06FwText;
3136
3137 fw.data_addr = bce_CP_b06FwDataAddr;
3138 fw.data_len = bce_CP_b06FwDataLen;
3139 fw.data_index = 0;
3140 fw.data = bce_CP_b06FwData;
3141
3142 fw.sbss_addr = bce_CP_b06FwSbssAddr;
3143 fw.sbss_len = bce_CP_b06FwSbssLen;
3144 fw.sbss_index = 0;
3145 fw.sbss = bce_CP_b06FwSbss;
3146
3147 fw.bss_addr = bce_CP_b06FwBssAddr;
3148 fw.bss_len = bce_CP_b06FwBssLen;
3149 fw.bss_index = 0;
3150 fw.bss = bce_CP_b06FwBss;
3151
3152 fw.rodata_addr = bce_CP_b06FwRodataAddr;
3153 fw.rodata_len = bce_CP_b06FwRodataLen;
3154 fw.rodata_index = 0;
3155 fw.rodata = bce_CP_b06FwRodata;
3156 }
43c2aeb0 3157
d0092544 3158 DBPRINT(sc, BCE_INFO_RESET, "Loading CP firmware.\n");
43c2aeb0 3159 bce_load_cpu_fw(sc, &cpu_reg, &fw);
5d05a208 3160 bce_start_cpu(sc, &cpu_reg);
d0092544
SZ		 3161}
3162
3163
3164/****************************************************************************/
3165/* Initialize the COM CPU. */
3166/* */
3167/* Returns: */
3168/* Nothing. */
3169/****************************************************************************/
3170static void
3171bce_init_com_cpu(struct bce_softc *sc)
3172{
3173 struct cpu_reg cpu_reg;
3174 struct fw_info fw;
43c2aeb0 3175
43c2aeb0
SZ		 3176 cpu_reg.mode = BCE_COM_CPU_MODE;
3177 cpu_reg.mode_value_halt = BCE_COM_CPU_MODE_SOFT_HALT;
3178 cpu_reg.mode_value_sstep = BCE_COM_CPU_MODE_STEP_ENA;
3179 cpu_reg.state = BCE_COM_CPU_STATE;
3180 cpu_reg.state_value_clear = 0xffffff;
3181 cpu_reg.gpr0 = BCE_COM_CPU_REG_FILE;
3182 cpu_reg.evmask = BCE_COM_CPU_EVENT_MASK;
3183 cpu_reg.pc = BCE_COM_CPU_PROGRAM_COUNTER;
3184 cpu_reg.inst = BCE_COM_CPU_INSTRUCTION;
3185 cpu_reg.bp = BCE_COM_CPU_HW_BREAKPOINT;
3186 cpu_reg.spad_base = BCE_COM_SCRATCH;
3187 cpu_reg.mips_view_base = 0x8000000;
3188
d0092544
SZ		 3189 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3190 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3191 fw.ver_major = bce_COM_b09FwReleaseMajor;
3192 fw.ver_minor = bce_COM_b09FwReleaseMinor;
3193 fw.ver_fix = bce_COM_b09FwReleaseFix;
3194 fw.start_addr = bce_COM_b09FwStartAddr;
3195
3196 fw.text_addr = bce_COM_b09FwTextAddr;
3197 fw.text_len = bce_COM_b09FwTextLen;
3198 fw.text_index = 0;
3199 fw.text = bce_COM_b09FwText;
3200
3201 fw.data_addr = bce_COM_b09FwDataAddr;
3202 fw.data_len = bce_COM_b09FwDataLen;
3203 fw.data_index = 0;
3204 fw.data = bce_COM_b09FwData;
3205
3206 fw.sbss_addr = bce_COM_b09FwSbssAddr;
3207 fw.sbss_len = bce_COM_b09FwSbssLen;
3208 fw.sbss_index = 0;
3209 fw.sbss = bce_COM_b09FwSbss;
3210
3211 fw.bss_addr = bce_COM_b09FwBssAddr;
3212 fw.bss_len = bce_COM_b09FwBssLen;
3213 fw.bss_index = 0;
3214 fw.bss = bce_COM_b09FwBss;
3215
3216 fw.rodata_addr = bce_COM_b09FwRodataAddr;
3217 fw.rodata_len = bce_COM_b09FwRodataLen;
3218 fw.rodata_index = 0;
3219 fw.rodata = bce_COM_b09FwRodata;
3220 } else {
3221 fw.ver_major = bce_COM_b06FwReleaseMajor;
3222 fw.ver_minor = bce_COM_b06FwReleaseMinor;
3223 fw.ver_fix = bce_COM_b06FwReleaseFix;
3224 fw.start_addr = bce_COM_b06FwStartAddr;
3225
3226 fw.text_addr = bce_COM_b06FwTextAddr;
3227 fw.text_len = bce_COM_b06FwTextLen;
3228 fw.text_index = 0;
3229 fw.text = bce_COM_b06FwText;
3230
3231 fw.data_addr = bce_COM_b06FwDataAddr;
3232 fw.data_len = bce_COM_b06FwDataLen;
3233 fw.data_index = 0;
3234 fw.data = bce_COM_b06FwData;
3235
3236 fw.sbss_addr = bce_COM_b06FwSbssAddr;
3237 fw.sbss_len = bce_COM_b06FwSbssLen;
3238 fw.sbss_index = 0;
3239 fw.sbss = bce_COM_b06FwSbss;
3240
3241 fw.bss_addr = bce_COM_b06FwBssAddr;
3242 fw.bss_len = bce_COM_b06FwBssLen;
3243 fw.bss_index = 0;
3244 fw.bss = bce_COM_b06FwBss;
3245
3246 fw.rodata_addr = bce_COM_b06FwRodataAddr;
3247 fw.rodata_len = bce_COM_b06FwRodataLen;
3248 fw.rodata_index = 0;
3249 fw.rodata = bce_COM_b06FwRodata;
3250 }
43c2aeb0 3251
d0092544
SZ		 3252 DBPRINT(sc, BCE_INFO_RESET, "Loading COM firmware.\n");
3253 bce_load_cpu_fw(sc, &cpu_reg, &fw);
5d05a208 3254 bce_start_cpu(sc, &cpu_reg);
d0092544 3255}
43c2aeb0 3256
43c2aeb0 3257
d0092544
SZ		 3258/****************************************************************************/
3259/* Initialize the RV2P, RX, TX, TPAT, COM, and CP CPUs. */
3260/* */
3261/* Loads the firmware for each CPU and starts the CPU. */
3262/* */
3263/* Returns: */
3264/* Nothing. */
3265/****************************************************************************/
3266static void
3267bce_init_cpus(struct bce_softc *sc)
3268{
3269 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3270 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
cff16e71
SZ		 3271 if (BCE_CHIP_REV(sc) == BCE_CHIP_REV_Ax) {
3272 bce_load_rv2p_fw(sc, bce_xi90_rv2p_proc1,
3273 sizeof(bce_xi90_rv2p_proc1), RV2P_PROC1);
3274 bce_load_rv2p_fw(sc, bce_xi90_rv2p_proc2,
3275 sizeof(bce_xi90_rv2p_proc2), RV2P_PROC2);
3276 } else {
3277 bce_load_rv2p_fw(sc, bce_xi_rv2p_proc1,
3278 sizeof(bce_xi_rv2p_proc1), RV2P_PROC1);
3279 bce_load_rv2p_fw(sc, bce_xi_rv2p_proc2,
3280 sizeof(bce_xi_rv2p_proc2), RV2P_PROC2);
3281 }
d0092544 3282 } else {
cff16e71
SZ		 3283 bce_load_rv2p_fw(sc, bce_rv2p_proc1,
3284 sizeof(bce_rv2p_proc1), RV2P_PROC1);
3285 bce_load_rv2p_fw(sc, bce_rv2p_proc2,
3286 sizeof(bce_rv2p_proc2), RV2P_PROC2);
d0092544 3287 }
43c2aeb0 3288
d0092544
SZ		 3289 bce_init_rxp_cpu(sc);
3290 bce_init_txp_cpu(sc);
3291 bce_init_tpat_cpu(sc);
3292 bce_init_com_cpu(sc);
3293 bce_init_cp_cpu(sc);
43c2aeb0
SZ		 3294}
3295
3296
3297/****************************************************************************/
3298/* Initialize context memory. */
3299/* */
3300/* Clears the memory associated with each Context ID (CID). */
3301/* */
3302/* Returns: */
3303/* Nothing. */
3304/****************************************************************************/
5b609aa3 3305static int
3a41a80b 3306bce_init_ctx(struct bce_softc *sc)
43c2aeb0 3307{
d0092544
SZ		 3308 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3309 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3310 /* DRC: Replace this constant value with a #define. */
3311 int i, retry_cnt = 10;
3312 uint32_t val;
3313
3314 /*
3315 * BCM5709 context memory may be cached
3316 * in host memory so prepare the host memory
3317 * for access.
3318 */
3319 val = BCE_CTX_COMMAND_ENABLED | BCE_CTX_COMMAND_MEM_INIT |
3320 (1 << 12);
3321 val |= (BCM_PAGE_BITS - 8) << 16;
3322 REG_WR(sc, BCE_CTX_COMMAND, val);
3323
3324 /* Wait for mem init command to complete. */
3325 for (i = 0; i < retry_cnt; i++) {
3326 val = REG_RD(sc, BCE_CTX_COMMAND);
3327 if (!(val & BCE_CTX_COMMAND_MEM_INIT))
3328 break;
3329 DELAY(2);
3330 }
5b609aa3
SZ		 3331 if (i == retry_cnt) {
3332 device_printf(sc->bce_dev,
3333 "Context memory initialization failed!\n");
3334 return ETIMEDOUT;
3335 }
d0092544
SZ		 3336
3337 for (i = 0; i < sc->ctx_pages; i++) {
3338 int j;
43c2aeb0 3339
d0092544
SZ		 3340 /*
3341 * Set the physical address of the context
3342 * memory cache.
3343 */
3344 REG_WR(sc, BCE_CTX_HOST_PAGE_TBL_DATA0,
3345 BCE_ADDR_LO(sc->ctx_paddr[i] & 0xfffffff0) |
3346 BCE_CTX_HOST_PAGE_TBL_DATA0_VALID);
3347 REG_WR(sc, BCE_CTX_HOST_PAGE_TBL_DATA1,
3348 BCE_ADDR_HI(sc->ctx_paddr[i]));
3349 REG_WR(sc, BCE_CTX_HOST_PAGE_TBL_CTRL,
3350 i | BCE_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ);
43c2aeb0 3351
d0092544
SZ		 3352 /*
3353 * Verify that the context memory write was successful.
3354 */
3355 for (j = 0; j < retry_cnt; j++) {
3356 val = REG_RD(sc, BCE_CTX_HOST_PAGE_TBL_CTRL);
3357 if ((val &
3358 BCE_CTX_HOST_PAGE_TBL_CTRL_WRITE_REQ) == 0)
3359 break;
3360 DELAY(5);
3361 }
5b609aa3
SZ		 3362 if (j == retry_cnt) {
3363 device_printf(sc->bce_dev,
3364 "Failed to initialize context page!\n");
3365 return ETIMEDOUT;
3366 }
d0092544
SZ		 3367 }
3368 } else {
3369 uint32_t vcid_addr, offset;
43c2aeb0 3370
d0092544
SZ		 3371 /*
3372 * For the 5706/5708, context memory is local to
3373 * the controller, so initialize the controller
3374 * context memory.
3375 */
43c2aeb0 3376
d0092544
SZ		 3377 vcid_addr = GET_CID_ADDR(96);
3378 while (vcid_addr) {
3379 vcid_addr -= PHY_CTX_SIZE;
43c2aeb0 3380
d0092544
SZ		 3381 REG_WR(sc, BCE_CTX_VIRT_ADDR, 0);
3382 REG_WR(sc, BCE_CTX_PAGE_TBL, vcid_addr);
43c2aeb0 3383
3a41a80b 3384 for (offset = 0; offset < PHY_CTX_SIZE; offset += 4)
d0092544
SZ		 3385 CTX_WR(sc, 0x00, offset, 0);
3386
3387 REG_WR(sc, BCE_CTX_VIRT_ADDR, vcid_addr);
3388 REG_WR(sc, BCE_CTX_PAGE_TBL, vcid_addr);
3a41a80b 3389 }
43c2aeb0 3390 }
5b609aa3 3391 return 0;
43c2aeb0
SZ		 3392}
3393
3394
3395/****************************************************************************/
3396/* Fetch the permanent MAC address of the controller. */
3397/* */
3398/* Returns: */
3399/* Nothing. */
3400/****************************************************************************/
3401static void
3402bce_get_mac_addr(struct bce_softc *sc)
3403{
3404 uint32_t mac_lo = 0, mac_hi = 0;
3405
3406 /*
3407 * The NetXtreme II bootcode populates various NIC
3408 * power-on and runtime configuration items in a
3409 * shared memory area. The factory configured MAC
3410 * address is available from both NVRAM and the
3411 * shared memory area so we'll read the value from
3412 * shared memory for speed.
3413 */
3414
bc30d40d
SZ		 3415 mac_hi = bce_shmem_rd(sc, BCE_PORT_HW_CFG_MAC_UPPER);
3416 mac_lo = bce_shmem_rd(sc, BCE_PORT_HW_CFG_MAC_LOWER);
43c2aeb0
SZ		 3417
3418 if (mac_lo == 0 && mac_hi == 0) {
3419 if_printf(&sc->arpcom.ac_if, "Invalid Ethernet address!\n");
3420 } else {
3421 sc->eaddr[0] = (u_char)(mac_hi >> 8);
3422 sc->eaddr[1] = (u_char)(mac_hi >> 0);
3423 sc->eaddr[2] = (u_char)(mac_lo >> 24);
3424 sc->eaddr[3] = (u_char)(mac_lo >> 16);
3425 sc->eaddr[4] = (u_char)(mac_lo >> 8);
3426 sc->eaddr[5] = (u_char)(mac_lo >> 0);
3427 }
3428
3429 DBPRINT(sc, BCE_INFO, "Permanent Ethernet address = %6D\n", sc->eaddr, ":");
3430}
3431
3432
3433/****************************************************************************/
3434/* Program the MAC address. */
3435/* */
3436/* Returns: */
3437/* Nothing. */
3438/****************************************************************************/
3439static void
3440bce_set_mac_addr(struct bce_softc *sc)
3441{
3442 const uint8_t *mac_addr = sc->eaddr;
3443 uint32_t val;
3444
3445 DBPRINT(sc, BCE_INFO, "Setting Ethernet address = %6D\n",
3446 sc->eaddr, ":");
3447
3448 val = (mac_addr[0] << 8) | mac_addr[1];
3449 REG_WR(sc, BCE_EMAC_MAC_MATCH0, val);
3450
3451 val = (mac_addr[2] << 24) |
3452 (mac_addr[3] << 16) |
3453 (mac_addr[4] << 8) |
3454 mac_addr[5];
3455 REG_WR(sc, BCE_EMAC_MAC_MATCH1, val);
3456}
3457
3458
3459/****************************************************************************/
3460/* Stop the controller. */
3461/* */
3462/* Returns: */
3463/* Nothing. */
3464/****************************************************************************/
3465static void
3466bce_stop(struct bce_softc *sc)
3467{
3468 struct ifnet *ifp = &sc->arpcom.ac_if;
43c2aeb0
SZ		 3469
3470 ASSERT_SERIALIZED(ifp->if_serializer);
3471
d0092544 3472 callout_stop(&sc->bce_tick_callout);
43c2aeb0
SZ		 3473
3474 /* Disable the transmit/receive blocks. */
d0092544 3475 REG_WR(sc, BCE_MISC_ENABLE_CLR_BITS, BCE_MISC_ENABLE_CLR_DEFAULT);
43c2aeb0
SZ		 3476 REG_RD(sc, BCE_MISC_ENABLE_CLR_BITS);
3477 DELAY(20);
3478
3479 bce_disable_intr(sc);
3480
43c2aeb0
SZ		 3481 /* Free the RX lists. */
3482 bce_free_rx_chain(sc);
3483
3484 /* Free TX buffers. */
3485 bce_free_tx_chain(sc);
3486
43c2aeb0 3487 sc->bce_link = 0;
bdeb8fff 3488 sc->bce_coalchg_mask = 0;
43c2aeb0
SZ		 3489
3490 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
3491 ifp->if_timer = 0;
43c2aeb0
SZ		 3492}
3493
3494
3495static int
3496bce_reset(struct bce_softc *sc, uint32_t reset_code)
3497{
3498 uint32_t val;
3499 int i, rc = 0;
3500
3501 /* Wait for pending PCI transactions to complete. */
3502 REG_WR(sc, BCE_MISC_ENABLE_CLR_BITS,
3503 BCE_MISC_ENABLE_CLR_BITS_TX_DMA_ENABLE |
3504 BCE_MISC_ENABLE_CLR_BITS_DMA_ENGINE_ENABLE |
3505 BCE_MISC_ENABLE_CLR_BITS_RX_DMA_ENABLE |
3506 BCE_MISC_ENABLE_CLR_BITS_HOST_COALESCE_ENABLE);
3507 val = REG_RD(sc, BCE_MISC_ENABLE_CLR_BITS);
3508 DELAY(5);
3509
d0092544
SZ		 3510 /* Disable DMA */
3511 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3512 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3513 val = REG_RD(sc, BCE_MISC_NEW_CORE_CTL);
3514 val &= ~BCE_MISC_NEW_CORE_CTL_DMA_ENABLE;
3515 REG_WR(sc, BCE_MISC_NEW_CORE_CTL, val);
3516 }
3517
43c2aeb0
SZ		 3518 /* Assume bootcode is running. */
3519 sc->bce_fw_timed_out = 0;
d8870c52 3520 sc->bce_drv_cardiac_arrest = 0;
43c2aeb0
SZ		 3521
3522 /* Give the firmware a chance to prepare for the reset. */
3523 rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT0 | reset_code);
3524 if (rc) {
3525 if_printf(&sc->arpcom.ac_if,
3526 "Firmware is not ready for reset\n");
3527 return rc;
3528 }
3529
3530 /* Set a firmware reminder that this is a soft reset. */
bc30d40d
SZ		 3531 bce_shmem_wr(sc, BCE_DRV_RESET_SIGNATURE,
3532 BCE_DRV_RESET_SIGNATURE_MAGIC);
43c2aeb0
SZ		 3533
3534 /* Dummy read to force the chip to complete all current transactions. */
3535 val = REG_RD(sc, BCE_MISC_ID);
3536
3537 /* Chip reset. */
d0092544
SZ		 3538 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3539 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3540 REG_WR(sc, BCE_MISC_COMMAND, BCE_MISC_COMMAND_SW_RESET);
3541 REG_RD(sc, BCE_MISC_COMMAND);
3542 DELAY(5);
3543
3544 val = BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3545 BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3546
3547 pci_write_config(sc->bce_dev, BCE_PCICFG_MISC_CONFIG, val, 4);
3548 } else {
3549 val = BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3550 BCE_PCICFG_MISC_CONFIG_REG_WINDOW_ENA |
3551 BCE_PCICFG_MISC_CONFIG_TARGET_MB_WORD_SWAP;
3552 REG_WR(sc, BCE_PCICFG_MISC_CONFIG, val);
3553
3554 /* Allow up to 30us for reset to complete. */
3555 for (i = 0; i < 10; i++) {
3556 val = REG_RD(sc, BCE_PCICFG_MISC_CONFIG);
3557 if ((val & (BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3558 BCE_PCICFG_MISC_CONFIG_CORE_RST_BSY)) == 0)
3559 break;
3560 DELAY(10);
43c2aeb0 3561 }
43c2aeb0 3562
d0092544
SZ		 3563 /* Check that reset completed successfully. */
3564 if (val & (BCE_PCICFG_MISC_CONFIG_CORE_RST_REQ |
3565 BCE_PCICFG_MISC_CONFIG_CORE_RST_BSY)) {
3566 if_printf(&sc->arpcom.ac_if, "Reset failed!\n");
3567 return EBUSY;
3568 }
43c2aeb0
SZ		 3569 }
3570
3571 /* Make sure byte swapping is properly configured. */
3572 val = REG_RD(sc, BCE_PCI_SWAP_DIAG0);
3573 if (val != 0x01020304) {
3574 if_printf(&sc->arpcom.ac_if, "Byte swap is incorrect!\n");
3575 return ENODEV;
3576 }
3577
3578 /* Just completed a reset, assume that firmware is running again. */
3579 sc->bce_fw_timed_out = 0;
d8870c52 3580 sc->bce_drv_cardiac_arrest = 0;
43c2aeb0
SZ		 3581
3582 /* Wait for the firmware to finish its initialization. */
3583 rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT1 | reset_code);
3584 if (rc) {
3585 if_printf(&sc->arpcom.ac_if,
3586 "Firmware did not complete initialization!\n");
3587 }
3588 return rc;
3589}
3590
3591
3592static int
3593bce_chipinit(struct bce_softc *sc)
3594{
3595 uint32_t val;
3596 int rc = 0;
3597
3598 /* Make sure the interrupt is not active. */
3599 REG_WR(sc, BCE_PCICFG_INT_ACK_CMD, BCE_PCICFG_INT_ACK_CMD_MASK_INT);
d0092544 3600 REG_RD(sc, BCE_PCICFG_INT_ACK_CMD);
43c2aeb0
SZ		 3601
3602 /*
3603 * Initialize DMA byte/word swapping, configure the number of DMA
3604 * channels and PCI clock compensation delay.
3605 */
3606 val = BCE_DMA_CONFIG_DATA_BYTE_SWAP |
3607 BCE_DMA_CONFIG_DATA_WORD_SWAP |
3608#if BYTE_ORDER == BIG_ENDIAN
3609 BCE_DMA_CONFIG_CNTL_BYTE_SWAP |
3610#endif
3611 BCE_DMA_CONFIG_CNTL_WORD_SWAP |
3612 DMA_READ_CHANS << 12 |
3613 DMA_WRITE_CHANS << 16;
3614
3615 val |= (0x2 << 20) | BCE_DMA_CONFIG_CNTL_PCI_COMP_DLY;
3616
3617 if ((sc->bce_flags & BCE_PCIX_FLAG) && sc->bus_speed_mhz == 133)
3618 val |= BCE_DMA_CONFIG_PCI_FAST_CLK_CMP;
3619
3620 /*
3621 * This setting resolves a problem observed on certain Intel PCI
3622 * chipsets that cannot handle multiple outstanding DMA operations.
3623 * See errata E9_5706A1_65.
3624 */
3625 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5706 &&
3626 BCE_CHIP_ID(sc) != BCE_CHIP_ID_5706_A0 &&
3627 !(sc->bce_flags & BCE_PCIX_FLAG))
3628 val |= BCE_DMA_CONFIG_CNTL_PING_PONG_DMA;
3629
3630 REG_WR(sc, BCE_DMA_CONFIG, val);
3631
43c2aeb0
SZ		 3632 /* Enable the RX_V2P and Context state machines before access. */
3633 REG_WR(sc, BCE_MISC_ENABLE_SET_BITS,
3634 BCE_MISC_ENABLE_SET_BITS_HOST_COALESCE_ENABLE |
3635 BCE_MISC_ENABLE_STATUS_BITS_RX_V2P_ENABLE |
3636 BCE_MISC_ENABLE_STATUS_BITS_CONTEXT_ENABLE);
3637
3638 /* Initialize context mapping and zero out the quick contexts. */
5b609aa3
SZ		 3639 rc = bce_init_ctx(sc);
3640 if (rc != 0)
3641 return rc;
43c2aeb0
SZ		 3642
3643 /* Initialize the on-boards CPUs */
3644 bce_init_cpus(sc);
3645
5d05a208
SZ		 3646 /* Enable management frames (NC-SI) to flow to the MCP. */
3647 if (sc->bce_flags & BCE_MFW_ENABLE_FLAG) {
3648 val = REG_RD(sc, BCE_RPM_MGMT_PKT_CTRL) |
3649 BCE_RPM_MGMT_PKT_CTRL_MGMT_EN;
3650 REG_WR(sc, BCE_RPM_MGMT_PKT_CTRL, val);
3651 }
3652
43c2aeb0
SZ		 3653 /* Prepare NVRAM for access. */
3654 rc = bce_init_nvram(sc);
3655 if (rc != 0)
3656 return rc;
3657
3658 /* Set the kernel bypass block size */
3659 val = REG_RD(sc, BCE_MQ_CONFIG);
3660 val &= ~BCE_MQ_CONFIG_KNL_BYP_BLK_SIZE;
3661 val |= BCE_MQ_CONFIG_KNL_BYP_BLK_SIZE_256;
d0092544
SZ		 3662
3663 /* Enable bins used on the 5709/5716. */
3664 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3665 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3666 val |= BCE_MQ_CONFIG_BIN_MQ_MODE;
3667 if (BCE_CHIP_ID(sc) == BCE_CHIP_ID_5709_A1)
3668 val |= BCE_MQ_CONFIG_HALT_DIS;
3669 }
3670
43c2aeb0
SZ		 3671 REG_WR(sc, BCE_MQ_CONFIG, val);
3672
3673 val = 0x10000 + (MAX_CID_CNT * MB_KERNEL_CTX_SIZE);
3674 REG_WR(sc, BCE_MQ_KNL_BYP_WIND_START, val);
3675 REG_WR(sc, BCE_MQ_KNL_WIND_END, val);
3676
3677 /* Set the page size and clear the RV2P processor stall bits. */
3678 val = (BCM_PAGE_BITS - 8) << 24;
3679 REG_WR(sc, BCE_RV2P_CONFIG, val);
3680
3681 /* Configure page size. */
3682 val = REG_RD(sc, BCE_TBDR_CONFIG);
3683 val &= ~BCE_TBDR_CONFIG_PAGE_SIZE;
3684 val |= (BCM_PAGE_BITS - 8) << 24 | 0x40;
3685 REG_WR(sc, BCE_TBDR_CONFIG, val);
3686
d0092544
SZ		 3687 /* Set the perfect match control register to default. */
3688 REG_WR_IND(sc, BCE_RXP_PM_CTRL, 0);
3689
43c2aeb0
SZ		 3690 return 0;
3691}
3692
3693
3694/****************************************************************************/
3695/* Initialize the controller in preparation to send/receive traffic. */
3696/* */
3697/* Returns: */
3698/* 0 for success, positive value for failure. */
3699/****************************************************************************/
3700static int
3701bce_blockinit(struct bce_softc *sc)
3702{
3703 uint32_t reg, val;
3704 int rc = 0;
3705
3706 /* Load the hardware default MAC address. */
3707 bce_set_mac_addr(sc);
3708
3709 /* Set the Ethernet backoff seed value */
3710 val = sc->eaddr[0] + (sc->eaddr[1] << 8) + (sc->eaddr[2] << 16) +
3711 sc->eaddr[3] + (sc->eaddr[4] << 8) + (sc->eaddr[5] << 16);
3712 REG_WR(sc, BCE_EMAC_BACKOFF_SEED, val);
3713
3714 sc->last_status_idx = 0;
3715 sc->rx_mode = BCE_EMAC_RX_MODE_SORT_MODE;
3716
3717 /* Set up link change interrupt generation. */
3718 REG_WR(sc, BCE_EMAC_ATTENTION_ENA, BCE_EMAC_ATTENTION_ENA_LINK);
3719
3720 /* Program the physical address of the status block. */
3721 REG_WR(sc, BCE_HC_STATUS_ADDR_L, BCE_ADDR_LO(sc->status_block_paddr));
3722 REG_WR(sc, BCE_HC_STATUS_ADDR_H, BCE_ADDR_HI(sc->status_block_paddr));
3723
3724 /* Program the physical address of the statistics block. */
3725 REG_WR(sc, BCE_HC_STATISTICS_ADDR_L,
3726 BCE_ADDR_LO(sc->stats_block_paddr));
3727 REG_WR(sc, BCE_HC_STATISTICS_ADDR_H,
3728 BCE_ADDR_HI(sc->stats_block_paddr));
3729
3730 /* Program various host coalescing parameters. */
3731 REG_WR(sc, BCE_HC_TX_QUICK_CONS_TRIP,
3732 (sc->bce_tx_quick_cons_trip_int << 16) |
3733 sc->bce_tx_quick_cons_trip);
3734 REG_WR(sc, BCE_HC_RX_QUICK_CONS_TRIP,
3735 (sc->bce_rx_quick_cons_trip_int << 16) |
3736 sc->bce_rx_quick_cons_trip);
3737 REG_WR(sc, BCE_HC_COMP_PROD_TRIP,
3738 (sc->bce_comp_prod_trip_int << 16) | sc->bce_comp_prod_trip);
3739 REG_WR(sc, BCE_HC_TX_TICKS,
3740 (sc->bce_tx_ticks_int << 16) | sc->bce_tx_ticks);
3741 REG_WR(sc, BCE_HC_RX_TICKS,
3742 (sc->bce_rx_ticks_int << 16) | sc->bce_rx_ticks);
3743 REG_WR(sc, BCE_HC_COM_TICKS,
3744 (sc->bce_com_ticks_int << 16) | sc->bce_com_ticks);
3745 REG_WR(sc, BCE_HC_CMD_TICKS,
3746 (sc->bce_cmd_ticks_int << 16) | sc->bce_cmd_ticks);
3747 REG_WR(sc, BCE_HC_STATS_TICKS, (sc->bce_stats_ticks & 0xffff00));
3748 REG_WR(sc, BCE_HC_STAT_COLLECT_TICKS, 0xbb8); /* 3ms */
eac57ffb
SZ		 3749
3750 val = BCE_HC_CONFIG_TX_TMR_MODE | BCE_HC_CONFIG_COLLECT_STATS;
3751 if (sc->bce_flags & BCE_ONESHOT_MSI_FLAG) {
3752 if (bootverbose)
3753 if_printf(&sc->arpcom.ac_if, "oneshot MSI\n");
3754 val |= BCE_HC_CONFIG_ONE_SHOT | BCE_HC_CONFIG_USE_INT_PARAM;
3755 }
3756 REG_WR(sc, BCE_HC_CONFIG, val);
43c2aeb0
SZ		 3757
3758 /* Clear the internal statistics counters. */
3759 REG_WR(sc, BCE_HC_COMMAND, BCE_HC_COMMAND_CLR_STAT_NOW);
3760
3761 /* Verify that bootcode is running. */
bc30d40d 3762 reg = bce_shmem_rd(sc, BCE_DEV_INFO_SIGNATURE);
43c2aeb0
SZ		 3763
3764 DBRUNIF(DB_RANDOMTRUE(bce_debug_bootcode_running_failure),
3765 if_printf(&sc->arpcom.ac_if,
3766 "%s(%d): Simulating bootcode failure.\n",
3767 __FILE__, __LINE__);
3768 reg = 0);
3769
3770 if ((reg & BCE_DEV_INFO_SIGNATURE_MAGIC_MASK) !=
3771 BCE_DEV_INFO_SIGNATURE_MAGIC) {
3772 if_printf(&sc->arpcom.ac_if,
3773 "Bootcode not running! Found: 0x%08X, "
3774 "Expected: 08%08X\n",
3775 reg & BCE_DEV_INFO_SIGNATURE_MAGIC_MASK,
3776 BCE_DEV_INFO_SIGNATURE_MAGIC);
3777 return ENODEV;
3778 }
3779
d0092544
SZ		 3780 /* Enable DMA */
3781 if (BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5709 ||
3782 BCE_CHIP_NUM(sc) == BCE_CHIP_NUM_5716) {
3783 val = REG_RD(sc, BCE_MISC_NEW_CORE_CTL);
3784 val |= BCE_MISC_NEW_CORE_CTL_DMA_ENABLE;
3785 REG_WR(sc, BCE_MISC_NEW_CORE_CTL, val);
43c2aeb0
SZ		 3786 }
3787
43c2aeb0
SZ		 3788 /* Allow bootcode to apply any additional fixes before enabling MAC. */
3789 rc = bce_fw_sync(sc, BCE_DRV_MSG_DATA_WAIT2 | BCE_DRV_MSG_CODE_RESET);
3790
3791 /* Enable link state change interrupt generation. */
3792 REG_WR(sc, BCE_HC_ATTN_BITS_ENABLE, STATUS_ATTN_BITS_LINK_STATE);
3793
5d05a208
SZ		 3794 /* Enable the RXP. */
3795 bce_start_rxp_cpu(sc);
3796
3797 /* Disable management frames (NC-SI) from flowing to the MCP. */