From: Aaron Wu <aaron...@analog.com>
EMAC_VLANx regs is not properly initiallized in u-boot, once it's overwrite in
the
kernel when DSA enabled, hot reset will lead to bringing up EMAC fail in u-boot.
Signed-off-by: Aaron Wu <aaron...@analog.com>
Signed-off-by: Sonic Zhang <sonic.zh...@analog.com>
---
arch/blackfin/include/asm/mach-common/bits/emac.h | 3 +++
drivers/net/bfin_mac.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/arch/blackfin/include/asm/mach-common/bits/emac.h
b/arch/blackfin/include/asm/mach-common/bits/emac.h
index 7a43bbb..4c9bc9d 100644
--- a/arch/blackfin/include/asm/mach-common/bits/emac.h
+++ b/arch/blackfin/include/asm/mach-common/bits/emac.h
@@ -217,4 +217,7 @@
#define TX_GE1024_CNT 0x00200000 /* 1024-Max-Byte TX Frames Sent
*/
#define TX_ABORT_CNT 0x00400000 /* TX Frames Aborted */
+/*default value for EMAC_VLANx reg*/
+#define EMAC_VLANX_DEF_VAL 0xFFFF
+
#endif
diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 0ffd59d..42e208c 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -259,6 +259,8 @@ static int bfin_miiphy_init(struct eth_device *dev, int
*opmode)
*opmode = 0;
bfin_write_EMAC_MMC_CTL(RSTC | CROLL);
+ bfin_write_EMAC_VLAN1(EMAC_VLANX_DEF_VAL);
+ bfin_write_EMAC_VLAN2(EMAC_VLANX_DEF_VAL);
/* Initialize the TX DMA channel registers */
bfin_write_DMA2_X_COUNT(0);
--
1.7.9.5
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