incomplete Gumstix support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10955 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 62 insertions, 0 deletions

diff --git a/target/linux/pxa/patches-2.6.21/015-smc-ether-addr.patch b/target/linux/pxa/patches-2.6.21/015-smc-ether-addr.patch
new file mode 100644
index 000000000..b4957b7a0
--- /dev/null
+++ b/target/linux/pxa/patches-2.6.21/015-smc-ether-addr.patch
@@ -0,0 +1,62 @@
+Index: linux-2.6.21gum/drivers/net/smc91x.c
+===================================================================
+--- linux-2.6.21gum.orig/drivers/net/smc91x.c
++++ linux-2.6.21gum/drivers/net/smc91x.c
+@@ -1815,6 +1815,39 @@ static int __init smc_findirq(void __iom
+ 	return probe_irq_off(cookie);
+ }
+ 
++static inline unsigned int is_gumstix_oui(u8 *addr)
++{
++	return (addr[0] == 0x00 && addr[1] == 0x15 && addr[2] == 0xC9);
++}
++
++/**
++ * gen_serial_ether_addr - Generate software assigned Ethernet address
++ * based on the system_serial number
++ * @addr: Pointer to a six-byte array containing the Ethernet address
++ *
++ * Generate an Ethernet address (MAC) that is not multicast
++ * and has the local assigned bit set, keyed on the system_serial
++ */
++static inline void gen_serial_ether_addr(u8 *addr)
++{
++	static u8 ether_serial_digit = 0;
++	addr [0] = system_serial_high >> 8;
++	addr [1] = system_serial_high;
++	addr [2] = system_serial_low >> 24;
++	addr [3] = system_serial_low >> 16;
++	addr [4] = system_serial_low >> 8;
++	addr [5] = (system_serial_low & 0xc0) |	/* top bits are from system serial */
++		(1 << 4) |			/* 2 bits identify interface type 1=ether, 2=usb, 3&4 undef */
++		((ether_serial_digit++) & 0x0f);	/* 15 possible interfaces of each type */
++
++	if(!is_gumstix_oui(addr))
++	{
++		addr [0] &= 0xfe;		/* clear multicast bit */
++		addr [0] |= 0x02;		/* set local assignment bit (IEEE802) */
++	}
++}
++
++
+ /*
+  * Function: smc_probe(unsigned long ioaddr)
+  *
+@@ -2032,15 +2065,13 @@ static int __init smc_probe(struct net_d
+ 			THROTTLE_TX_PKTS ? " [throttle_tx]" : "");
+ 
+ 		if (!is_valid_ether_addr(dev->dev_addr)) {
+-			printk("%s: Invalid ethernet MAC address.  Please "
+-			       "set using ifconfig\n", dev->name);
+-		} else {
++			gen_serial_ether_addr(dev->dev_addr);
++		}
+ 			/* Print the Ethernet address */
+ 			printk("%s: Ethernet addr: ", dev->name);
+ 			for (i = 0; i < 5; i++)
+ 				printk("%2.2x:", dev->dev_addr[i]);
+ 			printk("%2.2x\n", dev->dev_addr[5]);
+-		}
+ 
+ 		if (lp->phy_type == 0) {
+ 			PRINTK("%s: No PHY found\n", dev->name);