sky2: display product info on boot.

Change bootup messages to print more information. This is to help users
who may have old buggy EEPROM image.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 69 insertions, 4 deletions

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 4e3e2a37c3d1..3805b9318be7 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -4191,6 +4191,69 @@ static int __devinit pci_wake_enabled(struct pci_dev *dev)
         return value & PCI_PM_CTRL_PME_ENABLE;
 }
 
+/*
+ * Read and parse the first part of Vital Product Data
+ */
+#define VPD_SIZE        128
+#define VPD_MAGIC       0x82
+
+static void __devinit sky2_vpd_info(struct sky2_hw *hw)
+{
+        int cap = pci_find_capability(hw->pdev, PCI_CAP_ID_VPD);
+        const u8 *p;
+        u8 *vpd_buf = NULL;
+        u16 len;
+        static struct vpd_tag {
+                char tag[2];
+                char *label;
+        } vpd_tags[] = {
+                { "PN", "Part Number" },
+                { "EC", "Engineering Level" },
+                { "MN", "Manufacturer" },
+        };
+
+        if (!cap)
+                goto out;
+
+        vpd_buf = kmalloc(VPD_SIZE, GFP_KERNEL);
+        if (!vpd_buf)
+                goto out;
+
+        if (sky2_vpd_read(hw, cap, vpd_buf, 0, VPD_SIZE))
+                goto out;
+
+        if (vpd_buf[0] != VPD_MAGIC)
+                goto out;
+        len = vpd_buf[1];
+        if (len == 0 || len > VPD_SIZE - 4)
+                goto out;
+        p = vpd_buf + 3;
+        dev_info(&hw->pdev->dev, "%.*s\n", len, p);
+        p += len;
+
+        while (p < vpd_buf + VPD_SIZE - 4) {
+                int i;
+
+                if (!memcmp("RW", p, 2))        /* end marker */
+                        break;
+
+                len = p[2];
+                if (len > (p - vpd_buf) - 4)
+                        break;
+
+                for (i = 0; i < ARRAY_SIZE(vpd_tags); i++) {
+                        if (!memcmp(vpd_tags[i].tag, p, 2)) {
+                                printk(KERN_DEBUG " %s: %.*s\n",
+                                       vpd_tags[i].label, len, p + 3);
+                                break;
+                        }
+                }
+                p += len + 3;
+        }
+out:
+        kfree(vpd_buf);
+}
+
 /* This driver supports yukon2 chipset only */
 static const char *sky2_name(u8 chipid, char *buf, int sz)
 {
@@ -4289,13 +4352,13 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
         if (err)
                 goto err_out_iounmap;
 
-        dev_info(&pdev->dev, "v%s addr 0x%llx irq %d Yukon-2 %s rev %d\n",
-                 DRV_VERSION, (unsigned long long)pci_resource_start(pdev, 0),
-                 pdev->irq, sky2_name(hw->chip_id, buf1, sizeof(buf1)),
-                 hw->chip_rev);
+        dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n",
+                 sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev);
 
         sky2_reset(hw);
 
+        sky2_vpd_info(hw);
+
         dev = sky2_init_netdev(hw, 0, using_dac, wol_default);
         if (!dev) {
                 err = -ENOMEM;
@@ -4546,6 +4609,8 @@ static struct pci_driver sky2_driver = {
 
 static int __init sky2_init_module(void)
 {
+        pr_info(PFX "driver version " DRV_VERSION "\n");
+
         sky2_debug_init();
         return pci_register_driver(&sky2_driver);
 }