From ba599d4f0d2071abc049cb6345eab510a8a3643e Mon Sep 17 00:00:00 2001 From: Dhananjay Phadke Date: Tue, 24 Feb 2009 16:38:22 -0800 Subject: netxen: firmware download support Signed-off-by: Dhananjay Phadke Signed-off-by: David S. Miller --- drivers/net/netxen/netxen_nic_hw.c | 175 ++++++++++++++++++++++++++++++++++--- 1 file changed, 164 insertions(+), 11 deletions(-) (limited to 'drivers/net/netxen/netxen_nic_hw.c') diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index b2f67b98c934..aef39e7a5e29 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -35,7 +35,7 @@ #include "netxen_nic_hw.h" #include "netxen_nic_phan_reg.h" - +#include #include #define MASK(n) ((1ULL<<(n))-1) @@ -951,24 +951,69 @@ netxen_nic_pci_set_crbwindow_2M(struct netxen_adapter *adapter, ulong *off) (ulong)adapter->ahw.pci_base0; } -int netxen_load_firmware(struct netxen_adapter *adapter) +static int +netxen_do_load_firmware(struct netxen_adapter *adapter, const char *fwname, + const struct firmware *fw) { - int i; - u32 data, size = 0; - u32 flashaddr = NETXEN_BOOTLD_START; + u64 *ptr64; + u32 i, flashaddr, size; + struct pci_dev *pdev = adapter->pdev; - size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START)/4; + if (fw) + dev_info(&pdev->dev, "loading firmware from file %s\n", fwname); + else + dev_info(&pdev->dev, "loading firmware from flash\n"); if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) adapter->pci_write_normalize(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1); - for (i = 0; i < size; i++) { - if (netxen_rom_fast_read(adapter, flashaddr, (int *)&data) != 0) - return -EIO; + if (fw) { + __le64 data; + + size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 8; + + ptr64 = (u64 *)&fw->data[NETXEN_BOOTLD_START]; + flashaddr = NETXEN_BOOTLD_START; + + for (i = 0; i < size; i++) { + data = cpu_to_le64(ptr64[i]); + adapter->pci_mem_write(adapter, flashaddr, &data, 8); + flashaddr += 8; + } + + size = *(u32 *)&fw->data[NX_FW_SIZE_OFFSET]; + size = (__force u32)cpu_to_le32(size) / 8; + + ptr64 = (u64 *)&fw->data[NETXEN_IMAGE_START]; + flashaddr = NETXEN_IMAGE_START; + + for (i = 0; i < size; i++) { + data = cpu_to_le64(ptr64[i]); + + if (adapter->pci_mem_write(adapter, + flashaddr, &data, 8)) + return -EIO; + + flashaddr += 8; + } + } else { + u32 data; + + size = (NETXEN_IMAGE_START - NETXEN_BOOTLD_START) / 4; + flashaddr = NETXEN_BOOTLD_START; - adapter->pci_mem_write(adapter, flashaddr, &data, 4); - flashaddr += 4; + for (i = 0; i < size; i++) { + if (netxen_rom_fast_read(adapter, + flashaddr, (int *)&data) != 0) + return -EIO; + + if (adapter->pci_mem_write(adapter, + flashaddr, &data, 4)) + return -EIO; + + flashaddr += 4; + } } msleep(1); @@ -985,6 +1030,114 @@ int netxen_load_firmware(struct netxen_adapter *adapter) return 0; } +static int +netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname, + const struct firmware *fw) +{ + __le32 val; + u32 major, minor, build, ver, min_ver, bios; + struct pci_dev *pdev = adapter->pdev; + + if (fw->size < NX_FW_MIN_SIZE) + return -EINVAL; + + val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_MAGIC_OFFSET]); + if ((__force u32)val != NETXEN_BDINFO_MAGIC) + return -EINVAL; + + val = cpu_to_le32(*(u32 *)&fw->data[NX_FW_VERSION_OFFSET]); + major = (__force u32)val & 0xff; + minor = ((__force u32)val >> 8) & 0xff; + build = (__force u32)val >> 16; + + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + min_ver = NETXEN_VERSION_CODE(4, 0, 216); + else + min_ver = NETXEN_VERSION_CODE(3, 4, 216); + + ver = NETXEN_VERSION_CODE(major, minor, build); + + if ((major > _NETXEN_NIC_LINUX_MAJOR) || (ver < min_ver)) { + dev_err(&pdev->dev, + "%s: firmware version %d.%d.%d unsupported\n", + fwname, major, minor, build); + return -EINVAL; + } + + val = cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]); + netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios); + if ((__force u32)val != bios) { + dev_err(&pdev->dev, "%s: firmware bios is incompatible\n", + fwname); + return -EINVAL; + } + + netxen_nic_reg_write(adapter, NETXEN_CAM_RAM(0x1fc), + NETXEN_BDINFO_MAGIC); + return 0; +} + +int netxen_load_firmware(struct netxen_adapter *adapter) +{ + u32 capability, flashed_ver; + const struct firmware *fw; + char *fw_name = NULL; + struct pci_dev *pdev = adapter->pdev; + int rc = 0; + + if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { + fw_name = NX_P2_MN_ROMIMAGE; + goto request_fw; + } + + capability = 0; + + netxen_rom_fast_read(adapter, + NX_FW_VERSION_OFFSET, (int *)&flashed_ver); + if (flashed_ver >= NETXEN_VERSION_CODE(4, 0, 220)) { + adapter->hw_read_wx(adapter, + NX_PEG_TUNE_CAPABILITY, &capability, 4); + if (capability & NX_PEG_TUNE_MN_PRESENT) { + fw_name = NX_P3_MN_ROMIMAGE; + goto request_fw; + } + } + +request_ct: + fw_name = NX_P3_CT_ROMIMAGE; + +request_fw: + rc = request_firmware(&fw, fw_name, &pdev->dev); + if (rc != 0) { + if (fw_name == NX_P3_MN_ROMIMAGE) { + msleep(1); + goto request_ct; + } + + fw = NULL; + goto load_fw; + } + + rc = netxen_validate_firmware(adapter, fw_name, fw); + if (rc != 0) { + release_firmware(fw); + + if (fw_name == NX_P3_MN_ROMIMAGE) { + msleep(1); + goto request_ct; + } + + fw = NULL; + } + +load_fw: + rc = netxen_do_load_firmware(adapter, fw_name, fw); + + if (fw) + release_firmware(fw); + return rc; +} + int netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, void *data, int len) -- cgit v1.2.3-59-g8ed1b