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Testing has shown that writing to eMMC using DDR52 mode does not seem to work on RK356x and RK3588 boards. A simple test of writing a single block to e.g. sector 0x4000 fails: # Rescan using DDR52 mode => mmc rescan 4 # Write a single block to sector 0x4000 fails with ERROR => mmc write 20000000 4000 1 With the MMC_SPEED_MODE_SET Kconfig option enabled. Fix this by removing the mmc-ddr-1_8v prop from sdhci nodes in affected board u-boot.dtsi files. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
18 lines
253 B
Plaintext
18 lines
253 B
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2023 Joshua Riek <jjriek@verizon.net>
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*
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*/
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#include "rk3588-u-boot.dtsi"
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&sdhci {
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cap-mmc-highspeed;
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mmc-hs200-1_8v;
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};
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&uart9 {
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bootph-pre-ram;
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clock-frequency = <24000000>;
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};
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