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发表于 2021-9-1 08:06:47
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我修改了设备树，mac时钟由内部产生并且将速率改为50，报以下错误
[ 1.722683] tun: Universal TUN/TAP device driver, 1.6
[ 1.723136] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 1.724730] rk_gmac-dwmac fe300000.ethernet: clock input or output? (output).
[ 1.725373] rk_gmac-dwmac fe300000.ethernet: TX delay(0x28).
[ 1.725875] rk_gmac-dwmac fe300000.ethernet: RX delay(0x10).
[ 1.726397] rk_gmac-dwmac fe300000.ethernet: integrated PHY? (no).
[ 1.727094] rk_gmac-dwmac fe300000.ethernet: cannot get clock clk_mac_speed
[ 1.732723] rk_gmac-dwmac fe300000.ethernet: init for RGMII
[ 1.733337] stmmac - user ID: 0x10, Synopsys ID: 0x35
另外在启动后报以下错误，请问大概是哪方面的问题呢
[ 309.218616] stmmac_hw_setup: DMA engine initialization failed
[ 309.219135] stmmac_open: Hw setup failed
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