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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>
This commit is contained in:
Stephen Hemminger 2008-08-27 20:48:23 -07:00 committed by Jeff Garzik
parent 1413235c14
commit c844d48300
1 changed files with 69 additions and 4 deletions
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73
drivers/net/sky2.c
View File

@ -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);
}