mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-23 19:39:44 +09:00
f8598d9815
Add first support for STM32MP157C-ED1 board with "Basic" boot chain
1/ Boot Rom: load SPL with STM32 image header in SYSRAM
2/ SPL: power up and initialize the DDR and load U-Boot image
from SDCARD in DDR
3/ U-Boot: search and load extlinux.conf in SDCARD
(DISTRO activated)
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
34 lines
722 B
C
34 lines
722 B
C
/*
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* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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*
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* SPDX-License-Identifier: GPL-2.0+ BSD-3-Clause
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*/
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#include <config.h>
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#include <common.h>
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#include <spl.h>
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#include <dm.h>
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#include <ram.h>
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#include <asm/io.h>
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#include <post.h>
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#include <power/pmic.h>
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#include <power/stpmu1.h>
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#include <asm/arch/ddr.h>
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void spl_board_init(void)
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{
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/* Keep vdd on during the reset cycle */
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#if defined(CONFIG_PMIC_STPMU1) && defined(CONFIG_SPL_POWER_SUPPORT)
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struct udevice *dev;
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int ret;
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ret = uclass_get_device_by_driver(UCLASS_PMIC,
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DM_GET_DRIVER(pmic_stpmu1), &dev);
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if (!ret)
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pmic_clrsetbits(dev,
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STPMU1_MASK_RESET_BUCK,
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STPMU1_MASK_RESET_BUCK3,
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STPMU1_MASK_RESET_BUCK3);
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#endif
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}
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