diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_hw.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 1205 |
1 files changed, 0 insertions, 1205 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c deleted file mode 100644 index 05748ca6f21..00000000000 --- a/drivers/net/netxen/netxen_nic_hw.c +++ /dev/null @@ -1,1205 +0,0 @@ -/* - * Copyright (C) 2003 - 2006 NetXen, Inc. - * All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, - * MA 02111-1307, USA. - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE. - * - * Contact Information: - * info@netxen.com - * NetXen, - * 3965 Freedom Circle, Fourth floor, - * Santa Clara, CA 95054 - * - * - * Source file for NIC routines to access the Phantom hardware - * - */ - -#include "netxen_nic.h" -#include "netxen_nic_hw.h" -#include "netxen_nic_phan_reg.h" - - -#include <net/ip.h> - -struct netxen_recv_crb recv_crb_registers[] = { - /* - * Instance 0. - */ - { - /* rcv_desc_crb: */ - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x100), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x104), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x108), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x10c), - - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x110), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x114), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x118), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x11c), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x120), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x124), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x128), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x12c), - } - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x130), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x134), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x138), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x13c), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x140), - - }, - /* - * Instance 1, - */ - { - /* rcv_desc_crb: */ - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x144), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x148), - /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x14c), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x150), - - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x154), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x158), - /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x15c), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x160), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x164), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x168), - /* crb_globalrcv_ring: */ - NETXEN_NIC_REG(0x16c), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x170), - } - - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x174), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x178), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x17c), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x180), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x184), - }, - /* - * Instance 2, - */ - { - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x1d8), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x1dc), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x1f0), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x1f4), - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x1f8), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x1fc), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x200), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x204), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x208), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x20c), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x210), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x214), - } - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x218), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x21c), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x220), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x224), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x228), - }, - /* - * Instance 3, - */ - { - { - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x22c), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x230), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x234), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x238), - }, - /* Jumbo frames */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x23c), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x240), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x244), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x248), - }, - /* LRO */ - { - /* crb_rcv_producer_offset: */ - NETXEN_NIC_REG(0x24c), - /* crb_rcv_consumer_offset: */ - NETXEN_NIC_REG(0x250), - /* crb_gloablrcv_ring: */ - NETXEN_NIC_REG(0x254), - /* crb_rcv_ring_size */ - NETXEN_NIC_REG(0x258), - } - }, - /* crb_rcvstatus_ring: */ - NETXEN_NIC_REG(0x25c), - /* crb_rcv_status_producer: */ - NETXEN_NIC_REG(0x260), - /* crb_rcv_status_consumer: */ - NETXEN_NIC_REG(0x264), - /* crb_rcvpeg_state: */ - NETXEN_NIC_REG(0x268), - /* crb_status_ring_size */ - NETXEN_NIC_REG(0x26c), - }, -}; - -static u64 ctx_addr_sig_regs[][3] = { - {NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)}, - {NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)}, - {NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)}, - {NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)} -}; -#define CRB_CTX_ADDR_REG_LO(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][0]) -#define CRB_CTX_ADDR_REG_HI(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][2]) -#define CRB_CTX_SIGNATURE_REG(FUNC_ID) (ctx_addr_sig_regs[FUNC_ID][1]) - - -/* PCI Windowing for DDR regions. */ - -#define ADDR_IN_RANGE(addr, low, high) \ - (((addr) <= (high)) && ((addr) >= (low))) - -#define NETXEN_FLASH_BASE (NETXEN_BOOTLD_START) -#define NETXEN_PHANTOM_MEM_BASE (NETXEN_FLASH_BASE) -#define NETXEN_MAX_MTU 8000 + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE -#define NETXEN_MIN_MTU 64 -#define NETXEN_ETH_FCS_SIZE 4 -#define NETXEN_ENET_HEADER_SIZE 14 -#define NETXEN_WINDOW_ONE 0x2000000 /*CRB Window: bit 25 of CRB address */ -#define NETXEN_FIRMWARE_LEN ((16 * 1024) / 4) -#define NETXEN_NIU_HDRSIZE (0x1 << 6) -#define NETXEN_NIU_TLRSIZE (0x1 << 5) - -#define lower32(x) ((u32)((x) & 0xffffffff)) -#define upper32(x) \ - ((u32)(((unsigned long long)(x) >> 32) & 0xffffffff)) - -#define NETXEN_NIC_ZERO_PAUSE_ADDR 0ULL -#define NETXEN_NIC_UNIT_PAUSE_ADDR 0x200ULL -#define NETXEN_NIC_EPG_PAUSE_ADDR1 0x2200010000c28001ULL -#define NETXEN_NIC_EPG_PAUSE_ADDR2 0x0100088866554433ULL - -#define NETXEN_NIC_WINDOW_MARGIN 0x100000 - -static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter, - unsigned long long addr); -void netxen_free_hw_resources(struct netxen_adapter *adapter); - -int netxen_nic_set_mac(struct net_device *netdev, void *p) -{ - struct netxen_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (netif_running(netdev)) - return -EBUSY; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - DPRINTK(INFO, "valid ether addr\n"); - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - - if (adapter->macaddr_set) - adapter->macaddr_set(adapter, addr->sa_data); - - return 0; -} - -/* - * netxen_nic_set_multi - Multicast - */ -void netxen_nic_set_multi(struct net_device *netdev) -{ - struct netxen_adapter *adapter = netdev_priv(netdev); - struct dev_mc_list *mc_ptr; - - mc_ptr = netdev->mc_list; - if (netdev->flags & IFF_PROMISC) { - if (adapter->set_promisc) - adapter->set_promisc(adapter, - NETXEN_NIU_PROMISC_MODE); - } else { - if (adapter->unset_promisc) - adapter->unset_promisc(adapter, - NETXEN_NIU_NON_PROMISC_MODE); - } -} - -/* - * netxen_nic_change_mtu - Change the Maximum Transfer Unit - * @returns 0 on success, negative on failure - */ -int netxen_nic_change_mtu(struct net_device *netdev, int mtu) -{ - struct netxen_adapter *adapter = netdev_priv(netdev); - int eff_mtu = mtu + NETXEN_ENET_HEADER_SIZE + NETXEN_ETH_FCS_SIZE; - - if ((eff_mtu > NETXEN_MAX_MTU) || (eff_mtu < NETXEN_MIN_MTU)) { - printk(KERN_ERR "%s: %s %d is not supported.\n", - netxen_nic_driver_name, netdev->name, mtu); - return -EINVAL; - } - - if (adapter->set_mtu) - adapter->set_mtu(adapter, mtu); - netdev->mtu = mtu; - - return 0; -} - -/* - * check if the firmware has been downloaded and ready to run and - * setup the address for the descriptors in the adapter - */ -int netxen_nic_hw_resources(struct netxen_adapter *adapter) -{ - struct netxen_hardware_context *hw = &adapter->ahw; - u32 state = 0; - void *addr; - int loops = 0, err = 0; - int ctx, ring; - struct netxen_recv_context *recv_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; - int func_id = adapter->portnum; - - DPRINTK(INFO, "crb_base: %lx %x", NETXEN_PCI_CRBSPACE, - PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCI_CRBSPACE)); - DPRINTK(INFO, "cam base: %lx %x", NETXEN_CRB_CAM, - pci_base_offset(adapter, NETXEN_CRB_CAM)); - DPRINTK(INFO, "cam RAM: %lx %x", NETXEN_CAM_RAM_BASE, - pci_base_offset(adapter, NETXEN_CAM_RAM_BASE)); - - - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - DPRINTK(INFO, "Command Peg ready..waiting for rcv peg\n"); - loops = 0; - state = 0; - /* Window 1 call */ - state = readl(NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers[ctx]. - crb_rcvpeg_state)); - while (state != PHAN_PEG_RCV_INITIALIZED && loops < 20) { - msleep(1); - /* Window 1 call */ - state = readl(NETXEN_CRB_NORMALIZE(adapter, - recv_crb_registers - [ctx]. - crb_rcvpeg_state)); - loops++; - } - if (loops >= 20) { - printk(KERN_ERR "Rcv Peg initialization not complete:" - "%x.\n", state); - err = -EIO; - return err; - } - } - adapter->intr_scheme = readl( - NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW)); - printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name, - adapter->intr_scheme); - adapter->msi_mode = readl( - NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW)); - DPRINTK(INFO, "Receive Peg ready too. starting stuff\n"); - - addr = netxen_alloc(adapter->ahw.pdev, - sizeof(struct netxen_ring_ctx) + - sizeof(uint32_t), - (dma_addr_t *) & adapter->ctx_desc_phys_addr, - &adapter->ctx_desc_pdev); - - printk(KERN_INFO "ctx_desc_phys_addr: 0x%llx\n", - (unsigned long long) adapter->ctx_desc_phys_addr); - if (addr == NULL) { - DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); - err = -ENOMEM; - return err; - } - memset(addr, 0, sizeof(struct netxen_ring_ctx)); - adapter->ctx_desc = (struct netxen_ring_ctx *)addr; - adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum); - adapter->ctx_desc->cmd_consumer_offset = - cpu_to_le64(adapter->ctx_desc_phys_addr + - sizeof(struct netxen_ring_ctx)); - adapter->cmd_consumer = (__le32 *) (((char *)addr) + - sizeof(struct netxen_ring_ctx)); - - addr = netxen_alloc(adapter->ahw.pdev, - sizeof(struct cmd_desc_type0) * - adapter->max_tx_desc_count, - (dma_addr_t *) & hw->cmd_desc_phys_addr, - &adapter->ahw.cmd_desc_pdev); - printk(KERN_INFO "cmd_desc_phys_addr: 0x%llx\n", - (unsigned long long) hw->cmd_desc_phys_addr); - - if (addr == NULL) { - DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); - netxen_free_hw_resources(adapter); - return -ENOMEM; - } - - adapter->ctx_desc->cmd_ring_addr = - cpu_to_le64(hw->cmd_desc_phys_addr); - adapter->ctx_desc->cmd_ring_size = - cpu_to_le32(adapter->max_tx_desc_count); - - hw->cmd_desc_head = (struct cmd_desc_type0 *)addr; - - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - recv_ctx = &adapter->recv_ctx[ctx]; - - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - addr = netxen_alloc(adapter->ahw.pdev, - RCV_DESC_RINGSIZE, - &rcv_desc->phys_addr, - &rcv_desc->phys_pdev); - if (addr == NULL) { - DPRINTK(ERR, "bad return from " - "pci_alloc_consistent\n"); - netxen_free_hw_resources(adapter); - err = -ENOMEM; - return err; - } - rcv_desc->desc_head = (struct rcv_desc *)addr; - adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr = - cpu_to_le64(rcv_desc->phys_addr); - adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size = - cpu_to_le32(rcv_desc->max_rx_desc_count); - } - - addr = netxen_alloc(adapter->ahw.pdev, STATUS_DESC_RINGSIZE, - &recv_ctx->rcv_status_desc_phys_addr, - &recv_ctx->rcv_status_desc_pdev); - if (addr == NULL) { - DPRINTK(ERR, "bad return from" - " pci_alloc_consistent\n"); - netxen_free_hw_resources(adapter); - err = -ENOMEM; - return err; - } - recv_ctx->rcv_status_desc_head = (struct status_desc *)addr; - adapter->ctx_desc->sts_ring_addr = - cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr); - adapter->ctx_desc->sts_ring_size = - cpu_to_le32(adapter->max_rx_desc_count); - - } - /* Window = 1 */ - - writel(lower32(adapter->ctx_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_LO(func_id))); - writel(upper32(adapter->ctx_desc_phys_addr), - NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_ADDR_REG_HI(func_id))); - writel(NETXEN_CTX_SIGNATURE | func_id, - NETXEN_CRB_NORMALIZE(adapter, CRB_CTX_SIGNATURE_REG(func_id))); - return err; -} - -void netxen_free_hw_resources(struct netxen_adapter *adapter) -{ - struct netxen_recv_context *recv_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; - int ctx, ring; - - if (adapter->ctx_desc != NULL) { - pci_free_consistent(adapter->ctx_desc_pdev, - sizeof(struct netxen_ring_ctx) + - sizeof(uint32_t), - adapter->ctx_desc, - adapter->ctx_desc_phys_addr); - adapter->ctx_desc = NULL; - } - - if (adapter->ahw.cmd_desc_head != NULL) { - pci_free_consistent(adapter->ahw.cmd_desc_pdev, - sizeof(struct cmd_desc_type0) * - adapter->max_tx_desc_count, - adapter->ahw.cmd_desc_head, - adapter->ahw.cmd_desc_phys_addr); - adapter->ahw.cmd_desc_head = NULL; - } - - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - recv_ctx = &adapter->recv_ctx[ctx]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - - if (rcv_desc->desc_head != NULL) { - pci_free_consistent(rcv_desc->phys_pdev, - RCV_DESC_RINGSIZE, - rcv_desc->desc_head, - rcv_desc->phys_addr); - rcv_desc->desc_head = NULL; - } - } - - if (recv_ctx->rcv_status_desc_head != NULL) { - pci_free_consistent(recv_ctx->rcv_status_desc_pdev, - STATUS_DESC_RINGSIZE, - recv_ctx->rcv_status_desc_head, - recv_ctx-> - rcv_status_desc_phys_addr); - recv_ctx->rcv_status_desc_head = NULL; - } - } -} - -void netxen_tso_check(struct netxen_adapter *adapter, - struct cmd_desc_type0 *desc, struct sk_buff *skb) -{ - if (desc->mss) { - desc->total_hdr_length = (sizeof(struct ethhdr) + - ip_hdrlen(skb) + tcp_hdrlen(skb)); - netxen_set_cmd_desc_opcode(desc, TX_TCP_LSO); - } else if (skb->ip_summed == CHECKSUM_PARTIAL) { - if (ip_hdr(skb)->protocol == IPPROTO_TCP) { - netxen_set_cmd_desc_opcode(desc, TX_TCP_PKT); - } else if (ip_hdr(skb)->protocol == IPPROTO_UDP) { - netxen_set_cmd_desc_opcode(desc, TX_UDP_PKT); - } else { - return; - } - } - desc->tcp_hdr_offset = skb_transport_offset(skb); - desc->ip_hdr_offset = skb_network_offset(skb); -} - -int netxen_is_flash_supported(struct netxen_adapter *adapter) -{ - const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 }; - int addr, val01, val02, i, j; - - /* if the flash size less than 4Mb, make huge war cry and die */ - for (j = 1; j < 4; j++) { - addr = j * NETXEN_NIC_WINDOW_MARGIN; - for (i = 0; i < ARRAY_SIZE(locs); i++) { - if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0 - && netxen_rom_fast_read(adapter, (addr + locs[i]), - &val02) == 0) { - if (val01 == val02) - return -1; - } else - return -1; - } - } - - return 0; -} - -static int netxen_get_flash_block(struct netxen_adapter *adapter, int base, - int size, __le32 * buf) -{ - int i, addr; - __le32 *ptr32; - u32 v; - - addr = base; - ptr32 = buf; - for (i = 0; i < size / sizeof(u32); i++) { - if (netxen_rom_fast_read(adapter, addr, &v) == -1) - return -1; - *ptr32 = cpu_to_le32(v); - ptr32++; - addr += sizeof(u32); - } - if ((char *)buf + size > (char *)ptr32) { - __le32 local; - if (netxen_rom_fast_read(adapter, addr, &v) == -1) - return -1; - local = cpu_to_le32(v); - memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32); - } - - return 0; -} - -int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 mac[]) -{ - __le32 *pmac = (__le32 *) & mac[0]; - - if (netxen_get_flash_block(adapter, - NETXEN_USER_START + - offsetof(struct netxen_new_user_info, - mac_addr), - FLASH_NUM_PORTS * sizeof(u64), pmac) == -1) { - return -1; - } - if (*mac == cpu_to_le64(~0ULL)) { - if (netxen_get_flash_block(adapter, - NETXEN_USER_START_OLD + - offsetof(struct netxen_user_old_info, - mac_addr), - FLASH_NUM_PORTS * sizeof(u64), - pmac) == -1) - return -1; - if (*mac == cpu_to_le64(~0ULL)) - return -1; - } - return 0; -} - -/* - * Changes the CRB window to the specified window. - */ -void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw) -{ - void __iomem *offset; - u32 tmp; - int count = 0; - - if (adapter->curr_window == wndw) - return; - switch(adapter->ahw.pci_func) { - case 0: - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW)); - break; - case 1: - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F1)); - break; - case 2: - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F2)); - break; - case 3: - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW_F3)); - break; - default: - printk(KERN_INFO "Changing the window for PCI function " - "%d\n", adapter->ahw.pci_func); - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIX_CRB_WINDOW)); - break; - } - /* - * Move the CRB window. - * We need to write to the "direct access" region of PCI - * to avoid a race condition where the window register has - * not been successfully written across CRB before the target - * register address is received by PCI. The direct region bypasses - * the CRB bus. - */ - - if (wndw & 0x1) - wndw = NETXEN_WINDOW_ONE; - - writel(wndw, offset); - - /* MUST make sure window is set before we forge on... */ - while ((tmp = readl(offset)) != wndw) { - printk(KERN_WARNING "%s: %s WARNING: CRB window value not " - "registered properly: 0x%08x.\n", - netxen_nic_driver_name, __FUNCTION__, tmp); - mdelay(1); - if (count >= 10) - break; - count++; - } - - if (wndw == NETXEN_WINDOW_ONE) - adapter->curr_window = 1; - else - adapter->curr_window = 0; -} - -int netxen_load_firmware(struct netxen_adapter *adapter) -{ - int i; - u32 data, size = 0; - u32 flashaddr = NETXEN_FLASH_BASE, memaddr = NETXEN_PHANTOM_MEM_BASE; - u64 off; - void __iomem *addr; - - size = NETXEN_FIRMWARE_LEN; - writel(1, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST)); - - for (i = 0; i < size; i++) { - int retries = 10; - if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) - return -EIO; - - off = netxen_nic_pci_set_window(adapter, memaddr); - addr = pci_base_offset(adapter, off); - writel(data, addr); - do { - if (readl(addr) == data) - break; - msleep(100); - writel(data, addr); - } while (--retries); - if (!retries) { - printk(KERN_ERR "%s: firmware load aborted, write failed at 0x%x\n", - netxen_nic_driver_name, memaddr); - return -EIO; - } - flashaddr += 4; - memaddr += 4; - } - udelay(100); - /* make sure Casper is powered on */ - writel(0x3fff, - NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL)); - writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_ROMUSB_GLB_CAS_RST)); - - return 0; -} - -int -netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, - int len) -{ - void __iomem *addr; - - if (ADDR_IN_WINDOW1(off)) { - addr = NETXEN_CRB_NORMALIZE(adapter, off); - } else { /* Window 0 */ - addr = pci_base_offset(adapter, off); - netxen_nic_pci_change_crbwindow(adapter, 0); - } - - DPRINTK(INFO, "writing to base %lx offset %llx addr %p" - " data %llx len %d\n", - pci_base(adapter, off), off, addr, - *(unsigned long long *)data, len); - if (!addr) { - netxen_nic_pci_change_crbwindow(adapter, 1); - return 1; - } - - switch (len) { - case 1: - writeb(*(u8 *) data, addr); - break; - case 2: - writew(*(u16 *) data, addr); - break; - case 4: - writel(*(u32 *) data, addr); - break; - case 8: - writeq(*(u64 *) data, addr); - break; - default: - DPRINTK(INFO, - "writing data %lx to offset %llx, num words=%d\n", - *(unsigned long *)data, off, (len >> 3)); - - netxen_nic_hw_block_write64((u64 __iomem *) data, addr, - (len >> 3)); - break; - } - if (!ADDR_IN_WINDOW1(off)) - netxen_nic_pci_change_crbwindow(adapter, 1); - - return 0; -} - -int -netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, - int len) -{ - void __iomem *addr; - - if (ADDR_IN_WINDOW1(off)) { /* Window 1 */ - addr = NETXEN_CRB_NORMALIZE(adapter, off); - } else { /* Window 0 */ - addr = pci_base_offset(adapter, off); - netxen_nic_pci_change_crbwindow(adapter, 0); - } - - DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", - pci_base(adapter, off), off, addr); - if (!addr) { - netxen_nic_pci_change_crbwindow(adapter, 1); - return 1; - } - switch (len) { - case 1: - *(u8 *) data = readb(addr); - break; - case 2: - *(u16 *) data = readw(addr); - break; - case 4: - *(u32 *) data = readl(addr); - break; - case 8: - *(u64 *) data = readq(addr); - break; - default: - netxen_nic_hw_block_read64((u64 __iomem *) data, addr, - (len >> 3)); - break; - } - DPRINTK(INFO, "read %lx\n", *(unsigned long *)data); - - if (!ADDR_IN_WINDOW1(off)) - netxen_nic_pci_change_crbwindow(adapter, 1); - - return 0; -} - -void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val) -{ /* Only for window 1 */ - void __iomem *addr; - - addr = NETXEN_CRB_NORMALIZE(adapter, off); - DPRINTK(INFO, "writing to base %lx offset %llx addr %p data %x\n", - pci_base(adapter, off), off, addr, val); - writel(val, addr); - -} - -int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off) -{ /* Only for window 1 */ - void __iomem *addr; - int val; - - addr = NETXEN_CRB_NORMALIZE(adapter, off); - DPRINTK(INFO, "reading from base %lx offset %llx addr %p\n", - pci_base(adapter, off), off, addr); - val = readl(addr); - writel(val, addr); - - return val; -} - -/* Change the window to 0, write and change back to window 1. */ -void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value) -{ - void __iomem *addr; - - netxen_nic_pci_change_crbwindow(adapter, 0); - addr = pci_base_offset(adapter, index); - writel(value, addr); - netxen_nic_pci_change_crbwindow(adapter, 1); -} - -/* Change the window to 0, read and change back to window 1. */ -void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value) -{ - void __iomem *addr; - - addr = pci_base_offset(adapter, index); - - netxen_nic_pci_change_crbwindow(adapter, 0); - *value = readl(addr); - netxen_nic_pci_change_crbwindow(adapter, 1); -} - -static int netxen_pci_set_window_warning_count; - -static unsigned long netxen_nic_pci_set_window(struct netxen_adapter *adapter, - unsigned long long addr) -{ - static int ddr_mn_window = -1; - static int qdr_sn_window = -1; - int window; - - if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { - /* DDR network side */ - addr -= NETXEN_ADDR_DDR_NET; - window = (addr >> 25) & 0x3ff; - if (ddr_mn_window != window) { - ddr_mn_window = window; - writel(window, PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG - (PCIX_MN_WINDOW(adapter->ahw.pci_func)))); - /* MUST make sure window is set before we forge on... */ - readl(PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG - (PCIX_MN_WINDOW(adapter->ahw.pci_func)))); - } - addr -= (window * NETXEN_WINDOW_ONE); - addr += NETXEN_PCI_DDR_NET; - } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { - addr -= NETXEN_ADDR_OCM0; - addr += NETXEN_PCI_OCM0; - } else if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { - addr -= NETXEN_ADDR_OCM1; - addr += NETXEN_PCI_OCM1; - } else - if (ADDR_IN_RANGE - (addr, NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX)) { - /* QDR network side */ - addr -= NETXEN_ADDR_QDR_NET; - window = (addr >> 22) & 0x3f; - if (qdr_sn_window != window) { - qdr_sn_window = window; - writel((window << 22), - PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG - (PCIX_SN_WINDOW(adapter->ahw.pci_func)))); - /* MUST make sure window is set before we forge on... */ - readl(PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG - (PCIX_SN_WINDOW(adapter->ahw.pci_func)))); - } - addr -= (window * 0x400000); - addr += NETXEN_PCI_QDR_NET; - } else { - /* - * peg gdb frequently accesses memory that doesn't exist, - * this limits the chit chat so debugging isn't slowed down. - */ - if ((netxen_pci_set_window_warning_count++ < 8) - || (netxen_pci_set_window_warning_count % 64 == 0)) - printk("%s: Warning:netxen_nic_pci_set_window()" - " Unknown address range!\n", - netxen_nic_driver_name); - - } - return addr; -} - -#if 0 -int -netxen_nic_erase_pxe(struct netxen_adapter *adapter) -{ - if (netxen_rom_fast_write(adapter, NETXEN_PXE_START, 0) == -1) { - printk(KERN_ERR "%s: erase pxe failed\n", - netxen_nic_driver_name); - return -1; - } - return 0; -} -#endif /* 0 */ - -int netxen_nic_get_board_info(struct netxen_adapter *adapter) -{ - int rv = 0; - int addr = NETXEN_BRDCFG_START; - struct netxen_board_info *boardinfo; - int index; - u32 *ptr32; - - boardinfo = &adapter->ahw.boardcfg; - ptr32 = (u32 *) boardinfo; - - for (index = 0; index < sizeof(struct netxen_board_info) / sizeof(u32); - index++) { - if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { - return -EIO; - } - ptr32++; - addr += sizeof(u32); - } - if (boardinfo->magic != NETXEN_BDINFO_MAGIC) { - printk("%s: ERROR reading %s board config." - " Read %x, expected %x\n", netxen_nic_driver_name, - netxen_nic_driver_name, - boardinfo->magic, NETXEN_BDINFO_MAGIC); - rv = -1; - } - if (boardinfo->header_version != NETXEN_BDINFO_VERSION) { - printk("%s: Unknown board config version." - " Read %x, expected %x\n", netxen_nic_driver_name, - boardinfo->header_version, NETXEN_BDINFO_VERSION); - rv = -1; - } - - DPRINTK(INFO, "Discovered board type:0x%x ", boardinfo->board_type); - switch ((netxen_brdtype_t) boardinfo->board_type) { - case NETXEN_BRDTYPE_P2_SB35_4G: - adapter->ahw.board_type = NETXEN_NIC_GBE; - break; - case NETXEN_BRDTYPE_P2_SB31_10G: - case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: - case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: - case NETXEN_BRDTYPE_P2_SB31_10G_CX4: - adapter->ahw.board_type = NETXEN_NIC_XGBE; - break; - case NETXEN_BRDTYPE_P1_BD: - case NETXEN_BRDTYPE_P1_SB: - case NETXEN_BRDTYPE_P1_SMAX: - case NETXEN_BRDTYPE_P1_SOCK: - adapter->ahw.board_type = NETXEN_NIC_GBE; - break; - default: - printk("%s: Unknown(%x)\n", netxen_nic_driver_name, - boardinfo->board_type); - break; - } - - return rv; -} - -/* NIU access sections */ - -int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu) -{ - netxen_nic_write_w0(adapter, - NETXEN_NIU_GB_MAX_FRAME_SIZE( - physical_port[adapter->portnum]), new_mtu); - return 0; -} - -int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu) -{ - new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE; - if (physical_port[adapter->portnum] == 0) - netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, - new_mtu); - else - netxen_nic_write_w0(adapter, NETXEN_NIU_XG1_MAX_FRAME_SIZE, - new_mtu); - return 0; -} - -void netxen_nic_init_niu_gb(struct netxen_adapter *adapter) -{ - netxen_niu_gbe_init_port(adapter, physical_port[adapter->portnum]); -} - -void -netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, - int data) -{ - void __iomem *addr; - - if (ADDR_IN_WINDOW1(off)) { - writel(data, NETXEN_CRB_NORMALIZE(adapter, off)); - } else { - netxen_nic_pci_change_crbwindow(adapter, 0); - addr = pci_base_offset(adapter, off); - writel(data, addr); - netxen_nic_pci_change_crbwindow(adapter, 1); - } -} - -void netxen_nic_set_link_parameters(struct netxen_adapter *adapter) -{ - __u32 status; - __u32 autoneg; - __u32 mode; - - netxen_nic_read_w0(adapter, NETXEN_NIU_MODE, &mode); - if (netxen_get_niu_enable_ge(mode)) { /* Gb 10/100/1000 Mbps mode */ - if (adapter->phy_read - && adapter-> - phy_read(adapter, - NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, - &status) == 0) { - if (netxen_get_phy_link(status)) { - switch (netxen_get_phy_speed(status)) { - case 0: - adapter->link_speed = SPEED_10; - break; - case 1: - adapter->link_speed = SPEED_100; - break; - case 2: - adapter->link_speed = SPEED_1000; - break; - default: - adapter->link_speed = -1; - break; - } - switch (netxen_get_phy_duplex(status)) { - case 0: - adapter->link_duplex = DUPLEX_HALF; - break; - case 1: - adapter->link_duplex = DUPLEX_FULL; - break; - default: - adapter->link_duplex = -1; - break; - } - if (adapter->phy_read - && adapter-> - phy_read(adapter, - NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG, - &autoneg) != 0) - adapter->link_autoneg = autoneg; - } else - goto link_down; - } else { - link_down: - adapter->link_speed = -1; - adapter->link_duplex = -1; - } - } -} - -void netxen_nic_flash_print(struct netxen_adapter *adapter) -{ - int valid = 1; - u32 fw_major = 0; - u32 fw_minor = 0; - u32 fw_build = 0; - char brd_name[NETXEN_MAX_SHORT_NAME]; - struct netxen_new_user_info user_info; - int i, addr = NETXEN_USER_START; - __le32 *ptr32; - - struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); - if (board_info->magic != NETXEN_BDINFO_MAGIC) { - printk - ("NetXen Unknown board config, Read 0x%x expected as 0x%x\n", - board_info->magic, NETXEN_BDINFO_MAGIC); - valid = 0; - } - if (board_info->header_version != NETXEN_BDINFO_VERSION) { - printk("NetXen Unknown board config version." - " Read %x, expected %x\n", - board_info->header_version, NETXEN_BDINFO_VERSION); - valid = 0; - } - if (valid) { - ptr32 = (u32 *) & user_info; - for (i = 0; - i < sizeof(struct netxen_new_user_info) / sizeof(u32); - i++) { - if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { - printk("%s: ERROR reading %s board userarea.\n", - netxen_nic_driver_name, - netxen_nic_driver_name); - return; - } - ptr32++; - addr += sizeof(u32); - } - get_brd_name_by_type(board_info->board_type, brd_name); - - printk("NetXen %s Board S/N %s Chip id 0x%x\n", - brd_name, user_info.serial_num, board_info->chip_id); - - printk("NetXen %s Board #%d, Chip id 0x%x\n", - board_info->board_type == 0x0b ? "XGB" : "GBE", - board_info->board_num, board_info->chip_id); - fw_major = readl(NETXEN_CRB_NORMALIZE(adapter, - NETXEN_FW_VERSION_MAJOR)); - fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter, - NETXEN_FW_VERSION_MINOR)); - fw_build = - readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB)); - - printk("NetXen Firmware version %d.%d.%d\n", fw_major, fw_minor, - fw_build); - } - if (fw_major != _NETXEN_NIC_LINUX_MAJOR) { - printk(KERN_ERR "The mismatch in driver version and firmware " - "version major number\n" - "Driver version major number = %d \t" - "Firmware version major number = %d \n", - _NETXEN_NIC_LINUX_MAJOR, fw_major); - adapter->driver_mismatch = 1; - } - if (fw_minor != _NETXEN_NIC_LINUX_MINOR && - fw_minor != (_NETXEN_NIC_LINUX_MINOR + 1)) { - printk(KERN_ERR "The mismatch in driver version and firmware " - "version minor number\n" - "Driver version minor number = %d \t" - "Firmware version minor number = %d \n", - _NETXEN_NIC_LINUX_MINOR, fw_minor); - adapter->driver_mismatch = 1; - } - if (adapter->driver_mismatch) - printk(KERN_INFO "Use the driver with version no %d.%d.xxx\n", - fw_major, fw_minor); -} - |