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ar71xx: add a helper function to set RXDV/RXD of ETH_CFG on AR934x

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The ETH_RXDV_DELAY (17:16) and ETH_RXD_DELAY (15:14) are currently not cleared
by the function ath79_setup_ar934x_eth_cfg. Clearing these in the
ath79_setup_ar934x_eth_cfg may cause problems on some hardware because they
rely on the preset value by the bootloader.

Instead another function is introduced which also works on ETH_CFG on AR934x.
It can be used to safely clear and set ETH_RXDV_DELAY and ETH_RXD_DELAY on
machines which require special settings.

Signed-off-by: Sven Eckelmann <sven@open-mesh.com>

SVN-Revision: 45523
This commit is contained in:
Felix Fietkau
2015-04-20 15:00:52 +00:00
parent c75a0e86b1
commit f4e6418a32
2 changed files with 27 additions and 0 deletions
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target/linux/ar71xx/files/arch/mips/ath79/dev-eth.h
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@@ -47,6 +47,7 @@ void ath79_register_mdio(unsigned int id, u32 phy_mask);
void ath79_setup_ar933x_phy4_switch(bool mac, bool mdio);
void ath79_setup_ar934x_eth_cfg(u32 mask);
void ath79_setup_ar934x_eth_rx_delay(unsigned int rxd, unsigned int rxdv);
void ath79_setup_qca955x_eth_cfg(u32 mask);
#endif /* _ATH79_DEV_ETH_H */