rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/arch/arm64/boot/dts/rockchip/rk3568-dram-default-timing.dtsi
..
..
@@ -94,7 +94,7 @@
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 		standby_idle = <0>;
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 		pd_dis_freq = <1066>;
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 		sr_dis_freq = <800>;
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-		dram_dll_dis_freq = <625>;
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+		dram_dll_dis_freq = <500>;
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 		phy_dll_dis_freq = <IGNORE_THIS>;
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 		/* drv when odt on */
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 		phy_dq_drv_odten = <37>;
..
..
@@ -393,7 +393,7 @@
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 		lp4_dq_vref_odten = <228>;
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 		lp4_ca_vref_odten = <343>;
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 		/* lp4 vref info when odt disable */
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-		phy_lp4_dq_vref_odtoff = <420>;
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+		phy_lp4_dq_vref_odtoff = <245>;
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 		lp4_dq_vref_odtoff = <420>;
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 		lp4_ca_vref_odtoff = <343>;
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 	};