netxen: fix firmware download
o hold the firmware in memory across suspend, since filesystem
may not be up after resuming.
o reset the chip after requesting firmware, to minimize downtime
for NC-SI.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 363ef70..d182167 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -683,6 +683,202 @@
return 0;
}
+int
+netxen_load_firmware(struct netxen_adapter *adapter)
+{
+ u64 *ptr64;
+ u32 i, flashaddr, size;
+ const struct firmware *fw = adapter->fw;
+
+ if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 1);
+
+ 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;
+
+ 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);
+
+ if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0x80001d);
+ else {
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_CHIP_CLK_CTRL, 0x3fff);
+ NXWR32(adapter, NETXEN_ROMUSB_GLB_CAS_RST, 0);
+ }
+
+ return 0;
+}
+
+static int
+netxen_validate_firmware(struct netxen_adapter *adapter, const char *fwname)
+{
+ __le32 val;
+ u32 major, minor, build, ver, min_ver, bios;
+ struct pci_dev *pdev = adapter->pdev;
+ const struct firmware *fw = adapter->fw;
+
+ 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;
+
+ NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
+ return 0;
+}
+
+static char *fw_name[] = { "nxromimg.bin", "nx3fwct.bin", "nx3fwmn.bin" };
+
+void netxen_request_firmware(struct netxen_adapter *adapter)
+{
+ u32 capability, flashed_ver;
+ 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)) {
+ capability = NXRD32(adapter, NX_PEG_TUNE_CAPABILITY);
+ if (capability & NX_PEG_TUNE_MN_PRESENT) {
+ fw_type = NX_P3_MN_ROMIMAGE;
+ goto request_fw;
+ }
+ }
+
+request_fw:
+ rc = request_firmware(&adapter->fw, fw_name[fw_type], &pdev->dev);
+ if (rc != 0) {
+ if (fw_type == NX_P3_CT_ROMIMAGE) {
+ msleep(1);
+ goto request_mn;
+ }
+
+ adapter->fw = NULL;
+ goto done;
+ }
+
+ rc = netxen_validate_firmware(adapter, fw_name[fw_type]);
+ if (rc != 0) {
+ release_firmware(adapter->fw);
+
+ if (fw_type == NX_P3_CT_ROMIMAGE) {
+ msleep(1);
+ goto request_mn;
+ }
+
+ adapter->fw = NULL;
+ goto done;
+ }
+
+done:
+ if (adapter->fw)
+ dev_info(&pdev->dev, "loading firmware from file %s\n",
+ fw_name[fw_type]);
+ else
+ dev_info(&pdev->dev, "loading firmware from flash\n");
+}
+
+
+void
+netxen_release_firmware(struct netxen_adapter *adapter)
+{
+ if (adapter->fw)
+ release_firmware(adapter->fw);
+}
+
int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
{
uint64_t addr;