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| author | Lukasz Majewski <lukma@denx.de> | 2019-02-13 22:46:59 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2019-04-13 20:30:08 +0200 |
| commit | bdc9fefcbf9c2b8c9b2db84de696ec894bc66341 (patch) | |
| tree | 93dbfbf090bff9c8b8956eb4be4b12aa4257e51e /board/phytec/pcm052 | |
| parent | 15a445690358462226df8038fe34e295d23b5319 (diff) | |
| download | u-boot-bdc9fefcbf9c2b8c9b2db84de696ec894bc66341.zip u-boot-bdc9fefcbf9c2b8c9b2db84de696ec894bc66341.tar.gz u-boot-bdc9fefcbf9c2b8c9b2db84de696ec894bc66341.tar.bz2 | |
pcm052: bk4: Add board_phy_config() for BK4 to setup ksz8081 phy
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>
Diffstat (limited to 'board/phytec/pcm052')
| -rw-r--r-- | board/phytec/pcm052/pcm052.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/phytec/pcm052/pcm052.c b/board/phytec/pcm052/pcm052.c index 1e443a585..c30df5d 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); + + return genphy_config(phydev); +} #endif /* CONFIG_TARGET_BK4R1 */ int checkboard(void) |