2 files changed, 82 insertions, 1 deletions

diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 9c2a02d204dc..14b6322aeee1 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -289,6 +289,26 @@ struct uni_data_desc{
         u32     reserved[5];
 };
 
+/* Flash Defines and Structures */
+#define QLCNIC_FLT_LOCATION     0x3F1000
+#define QLCNIC_FW_IMAGE_REGION  0x74
+struct qlcnic_flt_header {
+        u16 version;
+        u16 len;
+        u16 checksum;
+        u16 reserved;
+};
+
+struct qlcnic_flt_entry {
+        u8 region;
+        u8 reserved0;
+        u8 attrib;
+        u8 reserved1;
+        u32 size;
+        u32 start_addr;
+        u32 end_add;
+};
+
 /* Magic number to let user know flash is programmed */
 #define QLCNIC_BDINFO_MAGIC 0x12345678
 
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 9b9c7c39d3ee..a7f1d5b7e811 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -627,12 +627,73 @@ qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
         return 0;
 }
 
+static int qlcnic_get_flt_entry(struct qlcnic_adapter *adapter, u8 region,
+                                struct qlcnic_flt_entry *region_entry)
+{
+        struct qlcnic_flt_header flt_hdr;
+        struct qlcnic_flt_entry *flt_entry;
+        int i = 0, ret;
+        u32 entry_size;
+
+        memset(region_entry, 0, sizeof(struct qlcnic_flt_entry));
+        ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION,
+                                         (u8 *)&flt_hdr,
+                                         sizeof(struct qlcnic_flt_header));
+        if (ret) {
+                dev_warn(&adapter->pdev->dev,
+                         "error reading flash layout header\n");
+                return -EIO;
+        }
+
+        entry_size = flt_hdr.len - sizeof(struct qlcnic_flt_header);
+        flt_entry = (struct qlcnic_flt_entry *)vzalloc(entry_size);
+        if (flt_entry == NULL) {
+                dev_warn(&adapter->pdev->dev, "error allocating memory\n");
+                return -EIO;
+        }
+
+        ret = qlcnic_rom_fast_read_words(adapter, QLCNIC_FLT_LOCATION +
+                                         sizeof(struct qlcnic_flt_header),
+                                         (u8 *)flt_entry, entry_size);
+        if (ret) {
+                dev_warn(&adapter->pdev->dev,
+                         "error reading flash layout entries\n");
+                goto err_out;
+        }
+
+        while (i < (entry_size/sizeof(struct qlcnic_flt_entry))) {
+                if (flt_entry[i].region == region)
+                        break;
+                i++;
+        }
+        if (i >= (entry_size/sizeof(struct qlcnic_flt_entry))) {
+                dev_warn(&adapter->pdev->dev,
+                         "region=%x not found in %d regions\n", region, i);
+                ret = -EIO;
+                goto err_out;
+        }
+        memcpy(region_entry, &flt_entry[i], sizeof(struct qlcnic_flt_entry));
+
+err_out:
+        vfree(flt_entry);
+        return ret;
+}
+
 int
 qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter)
 {
+        struct qlcnic_flt_entry fw_entry;
         u32 ver = -1, min_ver;
+        int ret;
 
-        qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET, (int *)&ver);
+        ret = qlcnic_get_flt_entry(adapter, QLCNIC_FW_IMAGE_REGION, &fw_entry);
+        if (!ret)
+                /* 0-4:-signature,  4-8:-fw version */
+                qlcnic_rom_fast_read(adapter, fw_entry.start_addr + 4,
+                                     (int *)&ver);
+        else
+                qlcnic_rom_fast_read(adapter, QLCNIC_FW_VERSION_OFFSET,
+                                     (int *)&ver);
 
         ver = QLCNIC_DECODE_VERSION(ver);
         min_ver = QLCNIC_MIN_FW_VERSION;