Thread (55 messages) flat view 55 messages, 4 authors, 2011-01-01
STALE5735d

[PATCH 03/10] net/fec: add mac field into platform data and consolidate fec_get_mac

From: Uwe Kleine-König <hidden>
Date: 2010-12-29 10:37:58
Also in: netdev

Hello,

On Wed, Dec 29, 2010 at 06:30:15PM +0800, Shawn Guo wrote:
Sorry, Baruch.  I missed two comments in the last reply.

On Wed, Dec 29, 2010 at 08:53:30AM +0200, Baruch Siach wrote:
quoted
Hi Shawn,

Please add netdev at vger.kernel.org to the Cc of all your fec driver patches.
I was aware of this after I sent out the patch set last night.
Can I just resend all the patches in v2 and get netdev at vger.kernel.org
included?
[I just added netdev for this reply.  I think adding it for v2 is OK
then.  For those interested, the whole series can be found at

	http://thread.gmane.org/gmane.linux.ports.arm.kernel/100902

.]
 
quoted
On Tue, Dec 28, 2010 at 10:55:48PM +0800, Shawn Guo wrote:
[...]
quoted
quoted
+	/*
+	 * try to get mac address in following order:
+	 *
+	 * 1) kernel command line fec_mac=xx:xx:xx...
+	 */
+	iap = fec_mac_default;
+
+	/*
+	 * 2) from flash or fuse (via platform data)
+	 */
Again, how do you handle the dual MAC case?
For the platform data case, the following patch reads both mac
addresses.

[PATCH 09/10] ARM: mx28: read fec mac address from ocotp

+static int __init mx28evk_fec_get_mac(void)
+{
+       int i, ret;
+       u32 val;
+
+       /*
+        * OCOTP only stores the last 4 octets for each mac address,
+        * so hard-coding the first two octets as Freescale OUI (00:04:9f)
+        * is needed.
+        */
+       for (i = 0; i < 2; i++) {
+               ret = mxs_read_ocotp(0x20 + i * 0x10, 1, &val);
+               if (ret)
+                       goto error;
+
+               mx28_fec_pdata[i].mac[0] = 0x00;
+               mx28_fec_pdata[i].mac[1] = 0x04;
+               mx28_fec_pdata[i].mac[2] = (val >> 24) & 0xff;
+               mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff;
+               mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff;
+               mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff;
uuh.  Is ((val >> 24) & 0xff) supposed to be 0x9f?  If not this might
have unwanted effects (practical, don't know about legal ones).

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-K?nig            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help