uboot-sunxi: add patch to fix gmac reliability issue on bananapi

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu> SVN-Revision: 42691
2014-09-28 20:39:04 +00:00 · 2014-09-28 20:39:04 +00:00 · b595d02fa7
commit b595d02fa7
parent a6616a6e48
1 changed files with 20 additions and 0 deletions
--- a/package/boot/uboot-sunxi/patches/003-uboot-fix-gmac-not-working-reliable-on-bananapi.patch
+++ b/package/boot/uboot-sunxi/patches/003-uboot-fix-gmac-not-working-reliable-on-bananapi.patch
@ -0,0 +1,20 @@
+diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c
+index e7ff952..f58c963 100644
+--- a/board/sunxi/gmac.c
+++ b/board/sunxi/gmac.c
+@@ -24,6 +24,15 @@ int sunxi_gmac_initialize(bd_t *bis)
+ 		CCM_GMAC_CTRL_GPIT_MII);
+ #endif
+ 
+	/*
+	 * HdG: this is necessary to get GMAC to work reliable on the
+	 * Bananapi. We don't know what these undocumented bits do, so this
+	 * is a Bananapi specific hack for now.
+	 */
+#ifdef CONFIG_BANANAPI
+	setbits_le32(&ccm->gmac_clk_cfg, 0x3 << 10);
+#endif
+
+ 	/* Configure pin mux settings for GMAC */
+ 	for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
+ #ifdef CONFIG_RGMII