diff options
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 11 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 221 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 24 |
3 files changed, 112 insertions, 144 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index db5c8d27d5d8..eef9e66becbd 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -543,13 +543,13 @@ struct netxen_hardware_context { void __iomem *pci_base1; void __iomem *pci_base2; void __iomem *db_base; + void __iomem *ocm_win_crb; + unsigned long db_len; unsigned long pci_len0; - int qdr_sn_window; - int ddr_mn_window; - u32 mn_win_crb; - u32 ms_win_crb; + u32 ocm_win; + u32 resv1; u8 cut_through; u8 revision_id; @@ -1183,8 +1183,7 @@ struct netxen_adapter { int (*pci_mem_read)(struct netxen_adapter *, u64, u64 *); int (*pci_mem_write)(struct netxen_adapter *, u64, u64); - unsigned long (*pci_set_window)(struct netxen_adapter *, - unsigned long long); + int (*pci_set_window)(struct netxen_adapter *, u64, u32 *); u32 (*io_read)(struct netxen_adapter *, void __iomem *); void (*io_write)(struct netxen_adapter *, void __iomem *, u32); diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 5f4bdda53d44..f677752dbe22 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -1274,72 +1274,6 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off) return data; } -static int netxen_pci_set_window_warning_count; - -static unsigned long -netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter, - unsigned long long addr) -{ - void __iomem *offset; - int window; - unsigned long long qdr_max; - uint8_t func = adapter->ahw.pci_func; - - if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { - qdr_max = NETXEN_ADDR_QDR_NET_MAX_P2; - } else { - qdr_max = NETXEN_ADDR_QDR_NET_MAX_P3; - } - - 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 (adapter->ahw.ddr_mn_window != window) { - adapter->ahw.ddr_mn_window = window; - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIE_MN_WINDOW_REG(func))); - writel(window, offset); - /* MUST make sure window is set before we forge on... */ - readl(offset); - } - 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, qdr_max)) { - /* QDR network side */ - addr -= NETXEN_ADDR_QDR_NET; - window = (addr >> 22) & 0x3f; - if (adapter->ahw.qdr_sn_window != window) { - adapter->ahw.qdr_sn_window = window; - offset = PCI_OFFSET_SECOND_RANGE(adapter, - NETXEN_PCIX_PH_REG(PCIE_SN_WINDOW_REG(func))); - writel((window << 22), offset); - /* MUST make sure window is set before we forge on... */ - readl(offset); - } - 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); - addr = -1UL; - } - return addr; -} - /* window 1 registers only */ static void netxen_nic_io_write_128M(struct netxen_adapter *adapter, void __iomem *addr, u32 data) @@ -1389,69 +1323,90 @@ netxen_get_ioaddr(struct netxen_adapter *adapter, u32 offset) return (void __iomem *)off; } -static unsigned long -netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, - unsigned long long addr) +static int +netxen_nic_pci_set_window_128M(struct netxen_adapter *adapter, + u64 addr, u32 *start) { - int window; - u32 win_read; - - if (ADDR_IN_RANGE(addr, NETXEN_ADDR_DDR_NET, NETXEN_ADDR_DDR_NET_MAX)) { - /* DDR network side */ - window = MN_WIN(addr); - adapter->ahw.ddr_mn_window = window; - NXWR32(adapter, adapter->ahw.mn_win_crb, window); - win_read = NXRD32(adapter, adapter->ahw.mn_win_crb); - if ((win_read << 17) != window) { - printk(KERN_INFO "Written MNwin (0x%x) != " - "Read MNwin (0x%x)\n", window, win_read); - } - addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_DDR_NET; + if (ADDR_IN_RANGE(addr, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { + *start = (addr - NETXEN_ADDR_OCM0 + NETXEN_PCI_OCM0); + return 0; } else if (ADDR_IN_RANGE(addr, - NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) { - if ((addr & 0x00ff800) == 0xff800) { - printk("%s: QM access not handled.\n", __func__); - addr = -1UL; - } + NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { + *start = (addr - NETXEN_ADDR_OCM1 + NETXEN_PCI_OCM1); + return 0; + } - window = OCM_WIN(addr); - adapter->ahw.ddr_mn_window = window; - NXWR32(adapter, adapter->ahw.mn_win_crb, window); - win_read = NXRD32(adapter, adapter->ahw.mn_win_crb); - if ((win_read >> 7) != window) { - printk(KERN_INFO "%s: Written OCMwin (0x%x) != " - "Read OCMwin (0x%x)\n", - __func__, window, win_read); - } - addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_OCM0_2M; + return -EIO; +} - } else if (ADDR_IN_RANGE(addr, - NETXEN_ADDR_QDR_NET, NETXEN_ADDR_QDR_NET_MAX_P3)) { - /* QDR network side */ - window = MS_WIN(addr); - adapter->ahw.qdr_sn_window = window; - NXWR32(adapter, adapter->ahw.ms_win_crb, window); - win_read = NXRD32(adapter, adapter->ahw.ms_win_crb); - if (win_read != window) { - printk(KERN_INFO "%s: Written MSwin (0x%x) != " - "Read MSwin (0x%x)\n", - __func__, window, win_read); - } - addr = GET_MEM_OFFS_2M(addr) + NETXEN_PCI_QDR_NET; +static int +netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, + u64 addr, u32 *start) +{ + u32 win_read, window; + struct pci_dev *pdev = adapter->pdev; - } 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:%s Unknown address range!\n", - __func__, netxen_nic_driver_name); + if ((addr & 0x00ff800) == 0xff800) { + if (printk_ratelimit()) + dev_warn(&pdev->dev, "QM access not handled\n"); + return -EIO; + } + + window = OCM_WIN(addr); + writel(window, adapter->ahw.ocm_win_crb); + win_read = readl(adapter->ahw.ocm_win_crb); + if ((win_read >> 7) != window) { + if (printk_ratelimit()) + dev_warn(&pdev->dev, "failed to set OCM window\n"); + return -EIO; + } + + adapter->ahw.ocm_win = window; + *start = NETXEN_PCI_OCM0_2M + GET_MEM_OFFS_2M(addr); + return 0; } - addr = -1UL; + +static int +netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off, + u64 *data, int op) +{ + void __iomem *addr, *mem_ptr = NULL; + resource_size_t mem_base; + unsigned long flags; + int ret = -EIO; + u32 start; + + write_lock_irqsave(&adapter->adapter_lock, flags); + + ret = adapter->pci_set_window(adapter, off, &start); + if (ret != 0) + goto unlock; + + addr = pci_base_offset(adapter, start); + if (addr) + goto noremap; + + mem_base = pci_resource_start(adapter->pdev, 0) + (start & PAGE_MASK); + + mem_ptr = ioremap(mem_base, PAGE_SIZE); + if (mem_ptr == NULL) { + ret = -EIO; + goto unlock; } - return addr; + + addr = mem_ptr + (start & (PAGE_SIZE - 1)); + +noremap: + if (op == 0) /* read */ + *data = readq(addr); + else /* write */ + writeq(*data, addr); + +unlock: + write_unlock_irqrestore(&adapter->adapter_lock, flags); + if (mem_ptr) + iounmap(mem_ptr); + return ret; } #define MAX_CTL_CHECK 1000 @@ -1493,6 +1448,14 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter, goto correct; } + if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) || + ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { + if (adapter->ahw.pci_len0 != 0) { + return netxen_nic_pci_mem_access_direct(adapter, + off, &data, 1); + } + } + return -EIO; correct: @@ -1564,6 +1527,14 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter, goto correct; } + if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX) || + ADDR_IN_RANGE(off, NETXEN_ADDR_OCM1, NETXEN_ADDR_OCM1_MAX)) { + if (adapter->ahw.pci_len0 != 0) { + return netxen_nic_pci_mem_access_direct(adapter, + off, data, 0); + } + } + return -EIO; correct: @@ -1628,6 +1599,9 @@ netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter, goto correct; } + if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) + return netxen_nic_pci_mem_access_direct(adapter, off, &data, 1); + return -EIO; correct: @@ -1690,6 +1664,9 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter, goto correct; } + if (ADDR_IN_RANGE(off, NETXEN_ADDR_OCM0, NETXEN_ADDR_OCM0_MAX)) + return netxen_nic_pci_mem_access_direct(adapter, off, data, 0); + return -EIO; correct: diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 302675a972e8..b7f607061865 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -607,13 +607,11 @@ netxen_setup_pci_map(struct netxen_adapter *adapter) * accessed it should set the window to 0 and then reset it to 1. */ adapter->curr_window = 255; - adapter->ahw.qdr_sn_window = -1; - adapter->ahw.ddr_mn_window = -1; + adapter->ahw.ocm_win = -1; /* remap phys address */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ mem_len = pci_resource_len(pdev, 0); - pci_len0 = 0; /* 128 Meg of memory */ if (mem_len == NETXEN_PCI_128MB_SIZE) { @@ -622,6 +620,7 @@ netxen_setup_pci_map(struct netxen_adapter *adapter) SECOND_PAGE_GROUP_SIZE); mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE); + pci_len0 = FIRST_PAGE_GROUP_SIZE; } else if (mem_len == NETXEN_PCI_32MB_SIZE) { mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE); mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START - @@ -634,19 +633,6 @@ netxen_setup_pci_map(struct netxen_adapter *adapter) return -EIO; } pci_len0 = mem_len; - - adapter->ahw.ddr_mn_window = 0; - adapter->ahw.qdr_sn_window = 0; - - adapter->ahw.mn_win_crb = NETXEN_PCI_CRBSPACE + - 0x100000 + PCIX_MN_WINDOW + (pci_func * 0x20); - adapter->ahw.ms_win_crb = NETXEN_PCI_CRBSPACE + - 0x100000 + PCIX_SN_WINDOW; - if (pci_func < 4) - adapter->ahw.ms_win_crb += (pci_func * 0x20); - else - adapter->ahw.ms_win_crb += - 0xA0 + ((pci_func - 4) * 0x10); } else { return -EIO; } @@ -660,6 +646,11 @@ netxen_setup_pci_map(struct netxen_adapter *adapter) adapter->ahw.pci_base1 = mem_ptr1; adapter->ahw.pci_base2 = mem_ptr2; + if (!NX_IS_REVISION_P2(adapter->ahw.revision_id)) { + adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter, + NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func))); + } + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) goto skip_doorbell; @@ -1447,6 +1438,7 @@ netxen_nic_resume(struct pci_dev *pdev) return err; adapter->curr_window = 255; + adapter->ahw.ocm_win = -1; err = netxen_start_firmware(adapter); if (err) { |