+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;
+ }
+
+ /* check if flashed firmware is newer */
+ if (netxen_rom_fast_read(adapter,
+ NX_FW_VERSION_OFFSET, (int *)&val))
+ return -EIO;
+ major = (__force u32)val & 0xff;
+ minor = ((__force u32)val >> 8) & 0xff;
+ build = (__force u32)val >> 16;
+ if (NETXEN_VERSION_CODE(major, minor, build) > ver)
+ return -EINVAL;
+
+ netxen_nic_reg_write(adapter, NETXEN_CAM_RAM(0x1fc),
+ NETXEN_BDINFO_MAGIC);
+ return 0;
+}
+
+static char *fw_name[] = { "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin" };
+
+int netxen_load_firmware(struct netxen_adapter *adapter)
+{
+ u32 capability, flashed_ver;
+ const struct firmware *fw;
+ int fw_type;
+ struct pci_dev *pdev = adapter->pdev;
+ int rc = 0;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+ fw_type = NX_P2_MN_ROMIMAGE;
+ goto request_fw;
+ } else {
+ fw_type = NX_P3_CT_ROMIMAGE;
+ goto request_fw;
+ }
+
+request_mn:
+ 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_type = NX_P3_MN_ROMIMAGE;
+ goto request_fw;
+ }
+ }
+
+request_fw:
+ rc = request_firmware(&fw, fw_name[fw_type], &pdev->dev);
+ if (rc != 0) {
+ if (fw_type == NX_P3_CT_ROMIMAGE) {
+ msleep(1);
+ goto request_mn;
+ }
+
+ fw = NULL;
+ goto load_fw;
+ }
+
+ rc = netxen_validate_firmware(adapter, fw_name[fw_type], fw);
+ if (rc != 0) {
+ release_firmware(fw);
+
+ if (fw_type == NX_P3_CT_ROMIMAGE) {
+ msleep(1);
+ goto request_mn;
+ }
+
+ fw = NULL;
+ }
+
+load_fw:
+ rc = netxen_do_load_firmware(adapter, fw_name[fw_type], fw);
+
+ if (fw)
+ release_firmware(fw);
+ return rc;
+}
+