openwrt-xburst/target/linux/mpc83xx/patches-2.6.33/110-etsec27_war.patch

--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -908,6 +908,14 @@
 	udelay(2);
 
 	tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
+	/*
+	* Do not enable flow control on chips earlier than rev 1.1,
+	* because of the eTSEC27 erratum
+	*/
+	tempval = 0;
+	if (mfspr(SPRN_SVR) & 0xffff >= 0x0011)
+		tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
+
 	gfar_write(&regs->maccfg1, tempval);
 
 	/* Initialize MACCFG2. */
mpc83xx: add 2.6.33 support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20818 3c298f89-4303-0410-b956-a3cf2f4a3e73 2010-04-12 13:47:00 +03:00			`--- a/drivers/net/gianfar.c`
			`+++ b/drivers/net/gianfar.c`
			`@@ -908,6 +908,14 @@`
			`udelay(2);`

			`tempval = (MACCFG1_TX_FLOW \| MACCFG1_RX_FLOW);`
			`+ /*`
			`+ * Do not enable flow control on chips earlier than rev 1.1,`
			`+ * because of the eTSEC27 erratum`
			`+ */`
			`+ tempval = 0;`
			`+ if (mfspr(SPRN_SVR) & 0xffff >= 0x0011)`
			`+ tempval = (MACCFG1_TX_FLOW \| MACCFG1_RX_FLOW);`
			`+`
			`gfar_write(&regs->maccfg1, tempval);`

			`/* Initialize MACCFG2. */`