/* * (C) Copyright 2007 * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com * * SPDX-License-Identifier: GPL-2.0+ */ #include #if defined(CONFIG_CMD_NAND) #include #include /* * hardware specific access to control-lines */ static void esd405ep_nand_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl) { struct nand_chip *this = mtd->priv; if (ctrl & NAND_CTRL_CHANGE) { if ( ctrl & NAND_CLE ) out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_CLE); else out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_NAND_CLE); if ( ctrl & NAND_ALE ) out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_ALE); else out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_NAND_ALE); if ( ctrl & NAND_NCE ) out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_NAND_CE); else out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_CE); } if (cmd != NAND_CMD_NONE) writeb(cmd, this->IO_ADDR_W); } /* * read device ready pin */ static int esd405ep_nand_device_ready(struct mtd_info *mtdinfo) { if (in_be32((void *)GPIO0_IR) & CONFIG_SYS_NAND_RDY) return 1; return 0; } int board_nand_init(struct nand_chip *nand) { /* * Set NAND-FLASH GPIO signals to defaults */ out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) & ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE)); out_be32((void *)GPIO0_OR, in_be32((void *)GPIO0_OR) | CONFIG_SYS_NAND_CE); /* * Initialize nand_chip structure */ nand->cmd_ctrl = esd405ep_nand_hwcontrol; nand->dev_ready = esd405ep_nand_device_ready; nand->ecc.mode = NAND_ECC_SOFT; nand->chip_delay = NAND_BIG_DELAY_US; nand->options = NAND_SAMSUNG_LP_OPTIONS; return 0; } #endif name='qt'>
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/*
 *  Copyright (C) 2011 Samsung Electronics
 *  Lukasz Majewski <l.majewski@samsung.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <power/pmic.h>
#include <power/max8998_pmic.h>
#include <errno.h>

int pmic_init(unsigned char bus)
{
	static const char name[] = "MAX8998_PMIC";
	struct pmic *p = pmic_alloc();

	if (!p) {
		printf("%s: POWER allocation error!\n", __func__);
		return -ENOMEM;
	}

	puts("Board PMIC init\n");

	p->name = name;
	p->interface = PMIC_I2C;
	p->number_of_regs = PMIC_NUM_OF_REGS;
	p->hw.i2c.addr = MAX8998_I2C_ADDR;
	p->hw.i2c.tx_num = 1;
	p->bus = bus;

	return 0;
}