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net: macb: add support for faster clk rates
add support for clock rates higher than 2.4Mhz Signed-off-by: Ramon Fried <rfried.dev@gmail.com> Reviewed-by: Anup Patel <anup.patel@wdc.com> Tested-by: Anup Patel <anup.patel@wdc.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
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@ -903,8 +903,12 @@ static u32 gem_mdc_clk_div(int id, struct macb_device *macb)
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config = GEM_BF(CLK, GEM_CLK_DIV48);
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else if (macb_hz < 160000000)
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config = GEM_BF(CLK, GEM_CLK_DIV64);
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else
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else if (macb_hz < 240000000)
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config = GEM_BF(CLK, GEM_CLK_DIV96);
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else if (macb_hz < 320000000)
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config = GEM_BF(CLK, GEM_CLK_DIV128);
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else
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config = GEM_BF(CLK, GEM_CLK_DIV224);
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return config;
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}
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@ -613,6 +613,8 @@
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#define GEM_CLK_DIV48 3
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#define GEM_CLK_DIV64 4
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#define GEM_CLK_DIV96 5
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#define GEM_CLK_DIV128 6
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#define GEM_CLK_DIV224 7
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/* Constants for MAN register */
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#define MACB_MAN_SOF 1
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