/* * 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" #define DEFINE_GLOBAL_RECV_CRB #include "netxen_nic_phan_reg.h" #include 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), }, }; 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)} }; /* 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 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) { udelay(100); /* 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", netdev->name, adapter->intr_scheme); 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 = (uint32_t *) (((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 < (sizeof(locs) / sizeof(locs[0])); 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, u32 * buf) { int i, addr; u32 *ptr32; addr = base; ptr32 = buf; for (i = 0; i < size / sizeof(u32); i++) { if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) return -1; *ptr32 = cpu_to_le32(*ptr32); ptr32++; addr += sizeof(u32); } if ((char *)buf + size > (char *)ptr32) { u32 local; if (netxen_rom_fast_read(adapter, addr, &local) == -1) return -1; local = cpu_to_le32(local); memcpy(ptr32, &local, (char *)buf + size - (char *)ptr32); } return 0; } int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]) { u32 *pmac = (u32 *) & 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 == ~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 == ~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; } void 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++) { if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) { DPRINTK(ERR, "Error in netxen_rom_fast_read(). Will skip" "loading flash image\n"); return; } off = netxen_nic_pci_set_window(adapter, memaddr); addr = pci_base_offset(adapter, off); writel(data, addr); 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)); udelay(100); } 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); } int netxen_pci_set_window_warning_count = 0; 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))); /* MUST make sure window is set before we forge on... */ readl(PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCIX_PH_REG (PCIX_MN_WINDOW))); } 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))); /* MUST make sure window is set before we forge on... */ readl(PCI_OFFSET_SECOND_RANGE(adapter, NETXEN_PCIX_PH_REG (PCIX_SN_WINDOW))); } 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; } 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; } 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); }