On Wed, Feb 13, 2019 at 3:51 PM Lukasz Majewski lukma@denx.de wrote:
BK4 requires setup of 50MHz reference clock for its KSZ8081 PHY devices.
Signed-off-by: Lukasz Majewski lukma@denx.de
Acked-by: Joe Hershberger joe.hershberger@ni.com
Changes in v4: None Changes in v3: None Changes in v2: None
board/phytec/pcm052/pcm052.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c index 1e443a5850..c30df5df9d 100644 --- a/board/phytec/pcm052/pcm052.c +++ b/board/phytec/pcm052/pcm052.c @@ -15,6 +15,7 @@ #include <asm/arch/clock.h> #include <led.h> #include <environment.h> +#include <miiphy.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -382,6 +383,21 @@ int board_late_init(void)
return 0;}
+/**
- KSZ8081
- */
+#define MII_KSZ8081_REFERENCE_CLOCK_SELECT 0x1f +#define RMII_50MHz_CLOCK 0x8180
+int board_phy_config(struct phy_device *phydev) +{
/* Set 50 MHz reference clock */phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ8081_REFERENCE_CLOCK_SELECT,RMII_50MHz_CLOCK);
Is it reasonable to use the clock infrastructure? Not necessarily instead of fixing this now, but would be a good direction.
return genphy_config(phydev);+} #endif /* CONFIG_TARGET_BK4R1 */
int checkboard(void)
2.11.0
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