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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>
26 lines
552 B
Text
26 lines
552 B
Text
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
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/*
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* Copyright (c) 2022 FriendlyElec Computer Tech. Co., Ltd.
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* (http://www.friendlyelec.com)
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*
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* Copyright (c) 2023 Tianling Shen <cnsztl@gmail.com>
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*/
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#include "rk356x-u-boot.dtsi"
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&pcie3x1 {
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/delete-property/ vpcie3v3-supply;
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};
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&sdhci {
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cap-mmc-highspeed;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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mmc-hs400-enhanced-strobe;
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pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
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};
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&vcc5v0_usb_host {
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/delete-property/ regulator-always-on;
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/delete-property/ regulator-boot-on;
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};
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