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In case the DHSOM is in suspend state and either reset button is pushed or IWDG2 triggers a watchdog reset, then DRAM initialization could fail as follows: " RAM: DDR3L 32bits 2x4Gb 533MHz DDR invalid size : 0x4, expected 0x40000000 DRAM init failed: -22 ### ERROR ### Please RESET the board ### " Avoid this failure by not keeping any Buck regulators enabled during reset, let the SoC and DRAMs power cycle fully. Since the change which keeps Buck3 VDD enabled during reset is ST specific, move this addition to ST specific SPL board initialization so that it wouldn't affect the DHSOM . Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
6 lines
174 B
C
6 lines
174 B
C
/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
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/*
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* Copyright (C) 2020, STMicroelectronics - All Rights Reserved
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*/
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struct udevice *stpmic1_init(u32 voltage_mv);
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