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path: root/drivers/net/zynq_gem.c
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Diffstat (limited to 'drivers/net/zynq_gem.c')
-rw-r--r--drivers/net/zynq_gem.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index c723dbb..df8452a 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -58,7 +58,14 @@
#define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000080000 /* Div pclk by 32, 80MHz */
#define ZYNQ_GEM_NWCFG_MDCCLKDIV2 0x0000c0000 /* Div pclk by 48, 120MHz */
-#define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_NWCFG_FDEN | \
+#ifdef CONFIG_ARM64
+# define ZYNQ_GEM_DBUS_WIDTH (1 << 21) /* 64 bit bus */
+#else
+# define ZYNQ_GEM_DBUS_WIDTH (0 << 21) /* 32 bit bus */
+#endif
+
+#define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_DBUS_WIDTH | \
+ ZYNQ_GEM_NWCFG_FDEN | \
ZYNQ_GEM_NWCFG_FSREM | \
ZYNQ_GEM_NWCFG_MDCCLKDIV)