[ipfire-2.x.git] / src / patches / u-boot / sunxi / 003-uboot-fix-gmac-not-working-reliable-on-bananapi.patch

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
Commit	Line	Data
56e211f6 AF	1	diff --git a/board/sunxi/gmac.c b/board/sunxi/gmac.c
	2	index e7ff952..f58c963 100644
	3	--- a/board/sunxi/gmac.c
	4	+++ b/board/sunxi/gmac.c
	5	@@ -24,6 +24,15 @@ int sunxi_gmac_initialize(bd_t *bis)
	6	CCM_GMAC_CTRL_GPIT_MII);
	7	#endif
	8
	9	+ /*
	10	+ * HdG: this is necessary to get GMAC to work reliable on the
	11	+ * Bananapi. We don't know what these undocumented bits do, so this
	12	+ * is a Bananapi specific hack for now.
	13	+ */
	14	+#ifdef CONFIG_BANANAPI
	15	+ setbits_le32(&ccm->gmac_clk_cfg, 0x3 << 10);
	16	+#endif
	17	+
	18	/* Configure pin mux settings for GMAC */
	19	for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
	20	#ifdef CONFIG_RGMII