46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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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 <power/pmic.h>
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#include <power/stpmic1.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_STPMIC1) && 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_stpmic1), &dev);
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if (!ret)
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pmic_clrsetbits(dev,
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STPMIC1_BUCKS_MRST_CR,
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STPMIC1_MRST_BUCK(STPMIC1_BUCK3),
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STPMIC1_MRST_BUCK(STPMIC1_BUCK3));
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/* Check if debug is enabled to program PMIC according to the bit */
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if ((readl(TAMP_BOOT_CONTEXT) & TAMP_BOOT_DEBUG_ON) && !ret) {
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printf("Keep debug unit ON\n");
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pmic_clrsetbits(dev, STPMIC1_BUCKS_MRST_CR,
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STPMIC1_MRST_BUCK_DEBUG,
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STPMIC1_MRST_BUCK_DEBUG);
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if (STPMIC1_MRST_LDO_DEBUG)
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pmic_clrsetbits(dev, STPMIC1_LDOS_MRST_CR,
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STPMIC1_MRST_LDO_DEBUG,
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STPMIC1_MRST_LDO_DEBUG);
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}
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#endif
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}
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