2 * Copyright (C) 2003 - 2006 NetXen, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
26 * 3965 Freedom Circle, Fourth floor,
27 * Santa Clara, CA 95054
30 * Source file for NIC routines to access the Phantom hardware
34 #include "netxen_nic.h"
35 #include "netxen_nic_hw.h"
36 #include "netxen_nic_phan_reg.h"
41 struct netxen_recv_crb recv_crb_registers[] = {
49 /* crb_rcv_producer_offset: */
50 NETXEN_NIC_REG(0x100),
51 /* crb_rcv_consumer_offset: */
52 NETXEN_NIC_REG(0x104),
53 /* crb_gloablrcv_ring: */
54 NETXEN_NIC_REG(0x108),
55 /* crb_rcv_ring_size */
56 NETXEN_NIC_REG(0x10c),
61 /* crb_rcv_producer_offset: */
62 NETXEN_NIC_REG(0x110),
63 /* crb_rcv_consumer_offset: */
64 NETXEN_NIC_REG(0x114),
65 /* crb_gloablrcv_ring: */
66 NETXEN_NIC_REG(0x118),
67 /* crb_rcv_ring_size */
68 NETXEN_NIC_REG(0x11c),
72 /* crb_rcv_producer_offset: */
73 NETXEN_NIC_REG(0x120),
74 /* crb_rcv_consumer_offset: */
75 NETXEN_NIC_REG(0x124),
76 /* crb_gloablrcv_ring: */
77 NETXEN_NIC_REG(0x128),
78 /* crb_rcv_ring_size */
79 NETXEN_NIC_REG(0x12c),
82 /* crb_rcvstatus_ring: */
83 NETXEN_NIC_REG(0x130),
84 /* crb_rcv_status_producer: */
85 NETXEN_NIC_REG(0x134),
86 /* crb_rcv_status_consumer: */
87 NETXEN_NIC_REG(0x138),
88 /* crb_rcvpeg_state: */
89 NETXEN_NIC_REG(0x13c),
90 /* crb_status_ring_size */
91 NETXEN_NIC_REG(0x140),
101 /* crb_rcv_producer_offset: */
102 NETXEN_NIC_REG(0x144),
103 /* crb_rcv_consumer_offset: */
104 NETXEN_NIC_REG(0x148),
105 /* crb_globalrcv_ring: */
106 NETXEN_NIC_REG(0x14c),
107 /* crb_rcv_ring_size */
108 NETXEN_NIC_REG(0x150),
113 /* crb_rcv_producer_offset: */
114 NETXEN_NIC_REG(0x154),
115 /* crb_rcv_consumer_offset: */
116 NETXEN_NIC_REG(0x158),
117 /* crb_globalrcv_ring: */
118 NETXEN_NIC_REG(0x15c),
119 /* crb_rcv_ring_size */
120 NETXEN_NIC_REG(0x160),
124 /* crb_rcv_producer_offset: */
125 NETXEN_NIC_REG(0x164),
126 /* crb_rcv_consumer_offset: */
127 NETXEN_NIC_REG(0x168),
128 /* crb_globalrcv_ring: */
129 NETXEN_NIC_REG(0x16c),
130 /* crb_rcv_ring_size */
131 NETXEN_NIC_REG(0x170),
135 /* crb_rcvstatus_ring: */
136 NETXEN_NIC_REG(0x174),
137 /* crb_rcv_status_producer: */
138 NETXEN_NIC_REG(0x178),
139 /* crb_rcv_status_consumer: */
140 NETXEN_NIC_REG(0x17c),
141 /* crb_rcvpeg_state: */
142 NETXEN_NIC_REG(0x180),
143 /* crb_status_ring_size */
144 NETXEN_NIC_REG(0x184),
152 /* crb_rcv_producer_offset: */
153 NETXEN_NIC_REG(0x1d8),
154 /* crb_rcv_consumer_offset: */
155 NETXEN_NIC_REG(0x1dc),
156 /* crb_gloablrcv_ring: */
157 NETXEN_NIC_REG(0x1f0),
158 /* crb_rcv_ring_size */
159 NETXEN_NIC_REG(0x1f4),
163 /* crb_rcv_producer_offset: */
164 NETXEN_NIC_REG(0x1f8),
165 /* crb_rcv_consumer_offset: */
166 NETXEN_NIC_REG(0x1fc),
167 /* crb_gloablrcv_ring: */
168 NETXEN_NIC_REG(0x200),
169 /* crb_rcv_ring_size */
170 NETXEN_NIC_REG(0x204),
174 /* crb_rcv_producer_offset: */
175 NETXEN_NIC_REG(0x208),
176 /* crb_rcv_consumer_offset: */
177 NETXEN_NIC_REG(0x20c),
178 /* crb_gloablrcv_ring: */
179 NETXEN_NIC_REG(0x210),
180 /* crb_rcv_ring_size */
181 NETXEN_NIC_REG(0x214),
184 /* crb_rcvstatus_ring: */
185 NETXEN_NIC_REG(0x218),
186 /* crb_rcv_status_producer: */
187 NETXEN_NIC_REG(0x21c),
188 /* crb_rcv_status_consumer: */
189 NETXEN_NIC_REG(0x220),
190 /* crb_rcvpeg_state: */
191 NETXEN_NIC_REG(0x224),
192 /* crb_status_ring_size */
193 NETXEN_NIC_REG(0x228),
201 /* crb_rcv_producer_offset: */
202 NETXEN_NIC_REG(0x22c),
203 /* crb_rcv_consumer_offset: */
204 NETXEN_NIC_REG(0x230),
205 /* crb_gloablrcv_ring: */
206 NETXEN_NIC_REG(0x234),
207 /* crb_rcv_ring_size */
208 NETXEN_NIC_REG(0x238),
212 /* crb_rcv_producer_offset: */
213 NETXEN_NIC_REG(0x23c),
214 /* crb_rcv_consumer_offset: */
215 NETXEN_NIC_REG(0x240),
216 /* crb_gloablrcv_ring: */
217 NETXEN_NIC_REG(0x244),
218 /* crb_rcv_ring_size */
219 NETXEN_NIC_REG(0x248),
223 /* crb_rcv_producer_offset: */
224 NETXEN_NIC_REG(0x24c),
225 /* crb_rcv_consumer_offset: */
226 NETXEN_NIC_REG(0x250),
227 /* crb_gloablrcv_ring: */
228 NETXEN_NIC_REG(0x254),
229 /* crb_rcv_ring_size */
230 NETXEN_NIC_REG(0x258),
233 /* crb_rcvstatus_ring: */
234 NETXEN_NIC_REG(0x25c),
235 /* crb_rcv_status_producer: */
236 NETXEN_NIC_REG(0x260),
237 /* crb_rcv_status_consumer: */
238 NETXEN_NIC_REG(0x264),
239 /* crb_rcvpeg_state: */
240 NETXEN_NIC_REG(0x268),
241 /* crb_status_ring_size */
242 NETXEN_NIC_REG(0x26c),
246 static u64 ctx_addr_sig_regs[][3] = {
247 {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
248 {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
249 {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
250 {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
252 #define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0])
253 #define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2])
254 #define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1])
257 /* PCI Windowing for DDR regions. */
259 #define ADDR_IN_RANGE(addr, low, high) \
260 (((addr) <= (high)) && ((addr) >= (low)))
262 #define NETXEN_FLASH_BASE (NETXEN_BOOTLD_START)
263 #define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE)
264 #define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE
265 #define NETXEN_MIN_MTU 64
266 #define NETXEN_ETH_FCS_SIZE 4
267 #define NETXEN_ENET_HEADER_SIZE 14
268 #define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */
269 #define NETXEN_FIRMWARE_LEN ((16 * 1024) / 4)
270 #define NETXEN_NIU_HDRSIZE (0x1 << 6)
271 #define NETXEN_NIU_TLRSIZE (0x1 << 5)
273 #define lower32(x) ((u32)((x) & 0xffffffff))
275 ((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
277 #define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL
278 #define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL
279 #define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL
280 #define NETXEN_NIC_EPG_PAUSE_ADDR2 0x0100088866554433ULL
282 #define NETXEN_NIC_WINDOW_MARGIN 0x100000
284 static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
285 unsigned long long addr);
286 void netxen_free_hw_resources(struct netxen_adapter *adapter);
288 int netxen_nic_set_mac(struct net_device *netdev, void *p)
290 struct netxen_adapter *adapter = netdev_priv(netdev);
291 struct sockaddr *addr = p;
293 if (netif_running(netdev))
296 if (!is_valid_ether_addr(addr->sa_data))
297 return -EADDRNOTAVAIL;
299 DPRINTK(INFO, "valid ether addr\n");
300 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
302 if (adapter->macaddr_set)
303 adapter->macaddr_set(adapter, addr->sa_data);
309 * netxen_nic_set_multi - Multicast
311 void netxen_nic_set_multi(struct net_device *netdev)
313 struct netxen_adapter *adapter = netdev_priv(netdev);
314 struct dev_mc_list *mc_ptr;
316 mc_ptr = netdev->mc_list;
317 if (netdev->flags & IFF_PROMISC) {
318 if (adapter->set_promisc)
319 adapter->set_promisc(adapter,
320 NETXEN_NIU_PROMISC_MODE);
322 if (adapter->unset_promisc)
323 adapter->unset_promisc(adapter,
324 NETXEN_NIU_NON_PROMISC_MODE);
329 * netxen_nic_change_mtu - Change the Maximum Transfer Unit
330 * @returns 0 on success, negative on failure
332 int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
334 struct netxen_adapter *adapter = netdev_priv(netdev);
335 int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE;
337 if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) {
338 printk(KERN_ERR "%s: %s %d is not supported.\n",
339 netxen_nic_driver_name, netdev->name, mtu);
343 if (adapter->set_mtu)
344 adapter->set_mtu(adapter, mtu);
351 * check if the firmware has been downloaded and ready to run and
352 * setup the address for the descriptors in the adapter
354 int netxen_nic_hw_resources(struct netxen_adapter *adapter)
356 struct netxen_hardware_context *hw = &adapter->ahw;
359 int loops = 0, err = 0;
361 struct netxen_recv_context *recv_ctx;
362 struct netxen_rcv_desc_ctx *rcv_desc;
363 int func_id = adapter->portnum;
365 DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE,
366 PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE));
367 DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM,
368 pci_base_offset(adapter, NETXEN_CRB_CAM));
369 DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE,
370 pci_base_offset(adapter, NETXEN_CAM_RAM_BASE));
373 for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
374 DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n");
378 state = readl(NETXEN_CRB_NORMALIZE(adapter,
379 recv_crb_registers[ctx].
381 while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) {
384 state = readl(NETXEN_CRB_NORMALIZE(adapter,
391 printk(KERN_ERR "Rcv Peg initialization not complete:"
397 adapter->intr_scheme = readl(
398 NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW));
399 printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name,
400 adapter->intr_scheme);
401 adapter->msi_mode = readl(
402 NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW));
403 DPRINTK(INFO, "Receive Peg ready too. starting stuff\n");
405 addr = netxen_alloc(adapter->ahw.pdev,
406 sizeof(struct netxen_ring_ctx) +
408 (dma_addr_t *) & adapter->ctx_desc_phys_addr,
409 &adapter->ctx_desc_pdev);
411 printk(KERN_INFO "ctx_desc_phys_addr: 0x%llx\n",
412 (unsigned long long) adapter->ctx_desc_phys_addr);
414 DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
418 memset(addr, 0, sizeof(struct netxen_ring_ctx));
419 adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
420 adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
421 adapter->ctx_desc->cmd_consumer_offset =
422 cpu_to_le64(adapter->ctx_desc_phys_addr +
423 sizeof(struct netxen_ring_ctx));
424 adapter->cmd_consumer = (__le32 *) (((char *)addr) +
425 sizeof(struct netxen_ring_ctx));
427 addr = netxen_alloc(adapter->ahw.pdev,
428 sizeof(struct cmd_desc_type0) *
429 adapter->max_tx_desc_count,
430 (dma_addr_t *) & hw->cmd_desc_phys_addr,
431 &adapter->ahw.cmd_desc_pdev);
432 printk(KERN_INFO "cmd_desc_phys_addr: 0x%llx\n",
433 (unsigned long long) hw->cmd_desc_phys_addr);
436 DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
437 netxen_free_hw_resources(adapter);
441 adapter->ctx_desc->cmd_ring_addr =
442 cpu_to_le64(hw->cmd_desc_phys_addr);
443 adapter->ctx_desc->cmd_ring_size =
444 cpu_to_le32(adapter->max_tx_desc_count);
446 hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
448 for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
449 recv_ctx = &adapter->recv_ctx[ctx];
451 for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
452 rcv_desc = &recv_ctx->rcv_desc[ring];
453 addr = netxen_alloc(adapter->ahw.pdev,
455 &rcv_desc->phys_addr,
456 &rcv_desc->phys_pdev);
458 DPRINTK(ERR, "bad return from "
459 "pci_alloc_consistent\n");
460 netxen_free_hw_resources(adapter);
464 rcv_desc->desc_head = (struct rcv_desc *)addr;
465 adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
466 cpu_to_le64(rcv_desc->phys_addr);
467 adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
468 cpu_to_le32(rcv_desc->max_rx_desc_count);
471 addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE,
472 &recv_ctx->rcv_status_desc_phys_addr,
473 &recv_ctx->rcv_status_desc_pdev);
475 DPRINTK(ERR, "bad return from"
476 " pci_alloc_consistent\n");
477 netxen_free_hw_resources(adapter);
481 recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
482 adapter->ctx_desc->sts_ring_addr =
483 cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
484 adapter->ctx_desc->sts_ring_size =
485 cpu_to_le32(adapter->max_rx_desc_count);
490 writel(lower32(adapter->ctx_desc_phys_addr),
491 NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO(func_id)));
492 writel(upper32(adapter->ctx_desc_phys_addr),
493 NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI(func_id)));
494 writel(NETXEN_CTX_SIGNATURE | func_id,
495 NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG(func_id)));
499 void netxen_free_hw_resources(struct netxen_adapter *adapter)
501 struct netxen_recv_context *recv_ctx;
502 struct netxen_rcv_desc_ctx *rcv_desc;
505 if (adapter->ctx_desc != NULL) {
506 pci_free_consistent(adapter->ctx_desc_pdev,
507 sizeof(struct netxen_ring_ctx) +
510 adapter->ctx_desc_phys_addr);
511 adapter->ctx_desc = NULL;
514 if (adapter->ahw.cmd_desc_head != NULL) {
515 pci_free_consistent(adapter->ahw.cmd_desc_pdev,
516 sizeof(struct cmd_desc_type0) *
517 adapter->max_tx_desc_count,
518 adapter->ahw.cmd_desc_head,
519 adapter->ahw.cmd_desc_phys_addr);
520 adapter->ahw.cmd_desc_head = NULL;
523 for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
524 recv_ctx = &adapter->recv_ctx[ctx];
525 for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
526 rcv_desc = &recv_ctx->rcv_desc[ring];
528 if (rcv_desc->desc_head != NULL) {
529 pci_free_consistent(rcv_desc->phys_pdev,
532 rcv_desc->phys_addr);
533 rcv_desc->desc_head = NULL;
537 if (recv_ctx->rcv_status_desc_head != NULL) {
538 pci_free_consistent(recv_ctx->rcv_status_desc_pdev,
539 STATUS_DESC_RINGSIZE,
540 recv_ctx->rcv_status_desc_head,
542 rcv_status_desc_phys_addr);
543 recv_ctx->rcv_status_desc_head = NULL;
548 void netxen_tso_check(struct netxen_adapter *adapter,
549 struct cmd_desc_type0 *desc, struct sk_buff *skb)
552 desc->total_hdr_length = (sizeof(struct ethhdr) +
553 ip_hdrlen(skb) + tcp_hdrlen(skb));
554 netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO);
555 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
556 if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
557 netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT);
558 } else if (ip_hdr(skb)->protocol == IPPROTO_UDP) {
559 netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT);
564 desc->tcp_hdr_offset = skb_transport_offset(skb);
565 desc->ip_hdr_offset = skb_network_offset(skb);
568 int netxen_is_flash_supported(struct netxen_adapter *adapter)
570 const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 };
571 int addr, val01, val02, i, j;
573 /* if the flash size less than 4Mb, make huge war cry and die */
574 for (j = 1; j < 4; j++) {
575 addr = j * NETXEN_NIC_WINDOW_MARGIN;
576 for (i = 0; i < ARRAY_SIZE(locs); i++) {
577 if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0
578 && netxen_rom_fast_read(adapter, (addr + locs[i]),
590 static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
591 int size, __le32 * buf)
599 for (i = 0; i < size / sizeof(u32); i++) {
600 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
602 *ptr32 = cpu_to_le32(v);
606 if ((char *)buf + size > (char *)ptr32) {
608 if (netxen_rom_fast_read(adapter, addr, &v) == -1)
610 local = cpu_to_le32(v);
611 memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32);
617 int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[])
619 __le32 *pmac = (__le32 *) & mac[0];
621 if (netxen_get_flash_block(adapter,
623 offsetof(struct netxen_new_user_info,
625 FLASH_NUM_PORTS * sizeof(u64), pmac) == -1) {
628 if (*mac == cpu_to_le64(~0ULL)) {
629 if (netxen_get_flash_block(adapter,
630 NETXEN_USER_START_OLD +
631 offsetof(struct netxen_user_old_info,
633 FLASH_NUM_PORTS * sizeof(u64),
636 if (*mac == cpu_to_le64(~0ULL))
643 * Changes the CRB window to the specified window.
645 void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw)
647 void __iomem *offset;
651 if (adapter->curr_window == wndw)
653 switch(adapter->ahw.pci_func) {
655 offset = PCI_OFFSET_SECOND_RANGE(adapter,
656 NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
659 offset = PCI_OFFSET_SECOND_RANGE(adapter,
660 NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F1));
663 offset = PCI_OFFSET_SECOND_RANGE(adapter,
664 NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F2));
667 offset = PCI_OFFSET_SECOND_RANGE(adapter,
668 NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F3));
671 printk(KERN_INFO "Changing the window for PCI function "
672 "%d\n", adapter->ahw.pci_func);
673 offset = PCI_OFFSET_SECOND_RANGE(adapter,
674 NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW));
678 * Move the CRB window.
679 * We need to write to the "direct access" region of PCI
680 * to avoid a race condition where the window register has
681 * not been successfully written across CRB before the target
682 * register address is received by PCI. The direct region bypasses
687 wndw = NETXEN_WINDOW_ONE;
689 writel(wndw, offset);
691 /* MUST make sure window is set before we forge on... */
692 while ((tmp = readl(offset)) != wndw) {
693 printk(KERN_WARNING "%s: %s WARNING: CRB window value not "
694 "registered properly: 0x%08x.\n",
695 netxen_nic_driver_name, __FUNCTION__, tmp);
702 if (wndw == NETXEN_WINDOW_ONE)
703 adapter->curr_window = 1;
705 adapter->curr_window = 0;
708 int netxen_load_firmware(struct netxen_adapter *adapter)
712 u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE;
716 size = NETXEN_FIRMWARE_LEN;
717 writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
719 for (i = 0; i < size; i++) {
721 if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0)
724 off = netxen_nic_pci_set_window(adapter, memaddr);
725 addr = pci_base_offset(adapter, off);
728 if (readl(addr) == data)
734 printk(KERN_ERR "%s: firmware load aborted, write failed at 0x%x\n",
735 netxen_nic_driver_name, memaddr);
742 /* make sure Casper is powered on */
744 NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL));
745 writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST));
751 netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
756 if (ADDR_IN_WINDOW1(off)) {
757 addr = NETXEN_CRB_NORMALIZE(adapter, off);
758 } else { /* Window 0 */
759 addr = pci_base_offset(adapter, off);
760 netxen_nic_pci_change_crbwindow(adapter, 0);
763 DPRINTK(INFO, "writing to base %lx offset %llx addr %p"
764 " data %llx len %d\n",
765 pci_base(adapter, off), off, addr,
766 *(unsigned long long *)data, len);
768 netxen_nic_pci_change_crbwindow(adapter, 1);
774 writeb(*(u8 *) data, addr);
777 writew(*(u16 *) data, addr);
780 writel(*(u32 *) data, addr);
783 writeq(*(u64 *) data, addr);
787 "writing data %lx to offset %llx, num words=%d\n",
788 *(unsigned long *)data, off, (len >> 3));
790 netxen_nic_hw_block_write64((u64 __iomem *) data, addr,
794 if (!ADDR_IN_WINDOW1(off))
795 netxen_nic_pci_change_crbwindow(adapter, 1);
801 netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data,
806 if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
807 addr = NETXEN_CRB_NORMALIZE(adapter, off);
808 } else { /* Window 0 */
809 addr = pci_base_offset(adapter, off);
810 netxen_nic_pci_change_crbwindow(adapter, 0);
813 DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
814 pci_base(adapter, off), off, addr);
816 netxen_nic_pci_change_crbwindow(adapter, 1);
821 *(u8 *) data = readb(addr);
824 *(u16 *) data = readw(addr);
827 *(u32 *) data = readl(addr);
830 *(u64 *) data = readq(addr);
833 netxen_nic_hw_block_read64((u64 __iomem *) data, addr,
837 DPRINTK(INFO, "read %lx\n", *(unsigned long *)data);
839 if (!ADDR_IN_WINDOW1(off))
840 netxen_nic_pci_change_crbwindow(adapter, 1);
845 void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val)
846 { /* Only for window 1 */
849 addr = NETXEN_CRB_NORMALIZE(adapter, off);
850 DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n",
851 pci_base(adapter, off), off, addr, val);
856 int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off)
857 { /* Only for window 1 */
861 addr = NETXEN_CRB_NORMALIZE(adapter, off);
862 DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n",
863 pci_base(adapter, off), off, addr);
870 /* Change the window to 0, write and change back to window 1. */
871 void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value)
875 netxen_nic_pci_change_crbwindow(adapter, 0);
876 addr = pci_base_offset(adapter, index);
878 netxen_nic_pci_change_crbwindow(adapter, 1);
881 /* Change the window to 0, read and change back to window 1. */
882 void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value)
886 addr = pci_base_offset(adapter, index);
888 netxen_nic_pci_change_crbwindow(adapter, 0);
889 *value = readl(addr);
890 netxen_nic_pci_change_crbwindow(adapter, 1);
893 static int netxen_pci_set_window_warning_count;
895 static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter,
896 unsigned long long addr)
898 static int ddr_mn_window = -1;
899 static int qdr_sn_window = -1;
902 if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) {
903 /* DDR network side */
904 addr -= NETXEN_ADDR_DDR_NET;
905 window = (addr >> 25) & 0x3ff;
906 if (ddr_mn_window != window) {
907 ddr_mn_window = window;
908 writel(window, PCI_OFFSET_SECOND_RANGE(adapter,
910 (PCIX_MN_WINDOW(adapter->ahw.pci_func))));
911 /* MUST make sure window is set before we forge on... */
912 readl(PCI_OFFSET_SECOND_RANGE(adapter,
914 (PCIX_MN_WINDOW(adapter->ahw.pci_func))));
916 addr -= (window * NETXEN_WINDOW_ONE);
917 addr += NETXEN_PCI_DDR_NET;
918 } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) {
919 addr -= NETXEN_ADDR_OCM0;
920 addr += NETXEN_PCI_OCM0;
921 } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) {
922 addr -= NETXEN_ADDR_OCM1;
923 addr += NETXEN_PCI_OCM1;
926 (addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX)) {
927 /* QDR network side */
928 addr -= NETXEN_ADDR_QDR_NET;
929 window = (addr >> 22) & 0x3f;
930 if (qdr_sn_window != window) {
931 qdr_sn_window = window;
932 writel((window << 22),
933 PCI_OFFSET_SECOND_RANGE(adapter,
935 (PCIX_SN_WINDOW(adapter->ahw.pci_func))));
936 /* MUST make sure window is set before we forge on... */
937 readl(PCI_OFFSET_SECOND_RANGE(adapter,
939 (PCIX_SN_WINDOW(adapter->ahw.pci_func))));
941 addr -= (window * 0x400000);
942 addr += NETXEN_PCI_QDR_NET;
945 * peg gdb frequently accesses memory that doesn't exist,
946 * this limits the chit chat so debugging isn't slowed down.
948 if ((netxen_pci_set_window_warning_count++ < 8)
949 || (netxen_pci_set_window_warning_count % 64 == 0))
950 printk("%s: Warning:netxen_nic_pci_set_window()"
951 " Unknown address range!\n",
952 netxen_nic_driver_name);
960 netxen_nic_erase_pxe(struct netxen_adapter *adapter)
962 if (netxen_rom_fast_write(adapter, NETXEN_PXE_START, 0) == -1) {
963 printk(KERN_ERR "%s: erase pxe failed\n",
964 netxen_nic_driver_name);
971 int netxen_nic_get_board_info(struct netxen_adapter *adapter)
974 int addr = NETXEN_BRDCFG_START;
975 struct netxen_board_info *boardinfo;
979 boardinfo = &adapter->ahw.boardcfg;
980 ptr32 = (u32 *) boardinfo;
982 for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32);
984 if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) {
990 if (boardinfo->magic != NETXEN_BDINFO_MAGIC) {
991 printk("%s: ERROR reading %s board config."
992 " Read %x, expected %x\n", netxen_nic_driver_name,
993 netxen_nic_driver_name,
994 boardinfo->magic, NETXEN_BDINFO_MAGIC);
997 if (boardinfo->header_version != NETXEN_BDINFO_VERSION) {
998 printk("%s: Unknown board config version."
999 " Read %x, expected %x\n", netxen_nic_driver_name,
1000 boardinfo->header_version, NETXEN_BDINFO_VERSION);
1004 DPRINTK(INFO, "Discovered board type:0x%x ", boardinfo->board_type);
1005 switch ((netxen_brdtype_t) boardinfo->board_type) {
1006 case NETXEN_BRDTYPE_P2_SB35_4G:
1007 adapter->ahw.board_type = NETXEN_NIC_GBE;
1009 case NETXEN_BRDTYPE_P2_SB31_10G:
1010 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1011 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1012 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
1013 adapter->ahw.board_type = NETXEN_NIC_XGBE;
1015 case NETXEN_BRDTYPE_P1_BD:
1016 case NETXEN_BRDTYPE_P1_SB:
1017 case NETXEN_BRDTYPE_P1_SMAX:
1018 case NETXEN_BRDTYPE_P1_SOCK:
1019 adapter->ahw.board_type = NETXEN_NIC_GBE;
1022 printk("%s: Unknown(%x)\n", netxen_nic_driver_name,
1023 boardinfo->board_type);
1030 /* NIU access sections */
1032 int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu)
1034 netxen_nic_write_w0(adapter,
1035 NETXEN_NIU_GB_MAX_FRAME_SIZE(adapter->physical_port),
1040 int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu)
1042 new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE;
1043 if (adapter->physical_port == 0)
1044 netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE,
1047 netxen_nic_write_w0(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE,
1052 void netxen_nic_init_niu_gb(struct netxen_adapter *adapter)
1054 netxen_niu_gbe_init_port(adapter, adapter->physical_port);
1058 netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off,
1063 if (ADDR_IN_WINDOW1(off)) {
1064 writel(data, NETXEN_CRB_NORMALIZE(adapter, off));
1066 netxen_nic_pci_change_crbwindow(adapter, 0);
1067 addr = pci_base_offset(adapter, off);
1069 netxen_nic_pci_change_crbwindow(adapter, 1);
1073 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter)
1079 netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode);
1080 if (netxen_get_niu_enable_ge(mode)) { /* Gb 10/100/1000 Mbps mode */
1081 if (adapter->phy_read
1084 NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS,
1086 if (netxen_get_phy_link(status)) {
1087 switch (netxen_get_phy_speed(status)) {
1089 adapter->link_speed = SPEED_10;
1092 adapter->link_speed = SPEED_100;
1095 adapter->link_speed = SPEED_1000;
1098 adapter->link_speed = -1;
1101 switch (netxen_get_phy_duplex(status)) {
1103 adapter->link_duplex = DUPLEX_HALF;
1106 adapter->link_duplex = DUPLEX_FULL;
1109 adapter->link_duplex = -1;
1112 if (adapter->phy_read
1115 NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG,
1117 adapter->link_autoneg = autoneg;
1122 adapter->link_speed = -1;
1123 adapter->link_duplex = -1;
1128 void netxen_nic_flash_print(struct netxen_adapter *adapter)
1134 char brd_name[NETXEN_MAX_SHORT_NAME];
1135 char serial_num[32];
1139 struct netxen_board_info *board_info = &(adapter->ahw.boardcfg);
1140 if (board_info->magic != NETXEN_BDINFO_MAGIC) {
1142 ("NetXen Unknown board config, Read 0x%x expected as 0x%x\n",
1143 board_info->magic, NETXEN_BDINFO_MAGIC);
1146 if (board_info->header_version != NETXEN_BDINFO_VERSION) {
1147 printk("NetXen Unknown board config version."
1148 " Read %x, expected %x\n",
1149 board_info->header_version, NETXEN_BDINFO_VERSION);
1153 ptr32 = (u32 *)&serial_num;
1154 addr = NETXEN_USER_START +
1155 offsetof(struct netxen_new_user_info, serial_num);
1156 for (i = 0; i < 8; i++) {
1157 if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) {
1158 printk("%s: ERROR reading %s board userarea.\n",
1159 netxen_nic_driver_name,
1160 netxen_nic_driver_name);
1164 addr += sizeof(u32);
1167 get_brd_name_by_type(board_info->board_type, brd_name);
1169 printk("NetXen %s Board S/N %s Chip id 0x%x\n",
1170 brd_name, serial_num, board_info->chip_id);
1172 printk("NetXen %s Board #%d, Chip id 0x%x\n",
1173 board_info->board_type == 0x0b ? "XGB" : "GBE",
1174 board_info->board_num, board_info->chip_id);
1175 fw_major = readl(NETXEN_CRB_NORMALIZE(adapter,
1176 NETXEN_FW_VERSION_MAJOR));
1177 fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter,
1178 NETXEN_FW_VERSION_MINOR));
1180 readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB));
1182 printk("NetXen Firmware version %d.%d.%d\n", fw_major, fw_minor,
1185 if (fw_major != _NETXEN_NIC_LINUX_MAJOR) {
1186 printk(KERN_ERR "The mismatch in driver version and firmware "
1187 "version major number\n"
1188 "Driver version major number = %d \t"
1189 "Firmware version major number = %d \n",
1190 _NETXEN_NIC_LINUX_MAJOR, fw_major);
1191 adapter->driver_mismatch = 1;
1193 if (fw_minor != _NETXEN_NIC_LINUX_MINOR &&
1194 fw_minor != (_NETXEN_NIC_LINUX_MINOR + 1)) {
1195 printk(KERN_ERR "The mismatch in driver version and firmware "
1196 "version minor number\n"
1197 "Driver version minor number = %d \t"
1198 "Firmware version minor number = %d \n",
1199 _NETXEN_NIC_LINUX_MINOR, fw_minor);
1200 adapter->driver_mismatch = 1;
1202 if (adapter->driver_mismatch)
1203 printk(KERN_INFO "Use the driver with version no %d.%d.xxx\n",
1204 fw_major, fw_minor);