99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2021 Ronetix GmbH
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*/
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#include <init.h>
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#include <net.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/mx7-pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/global_data.h>
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#include <asm/gpio.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/mach-imx/mxc_i2c.h>
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#include <asm/io.h>
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#include <common.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <power/pmic.h>
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#include <power/pfuze3000_pmic.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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gd->ram_size = imx_ddr_size();
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return 0;
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}
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int power_init_board(void)
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{
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struct udevice *dev;
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int ret;
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unsigned int reg, rev;
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ret = pmic_get("pmic@8", &dev);
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if (ret == -ENODEV) {
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puts("No pmic\n");
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return 0;
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}
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if (ret != 0)
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return ret;
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reg = pmic_reg_read(dev, PFUZE3000_DEVICEID);
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rev = pmic_reg_read(dev, PFUZE3000_REVID);
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printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev);
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/* disable Low Power Mode during standby mode */
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reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL);
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reg |= 0x1;
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pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg);
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/* SW1A/1B mode set to APS/APS */
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reg = 0x8;
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pmic_reg_write(dev, PFUZE3000_SW1AMODE, reg);
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pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg);
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/* SW1A/1B standby voltage set to 1.025V */
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reg = 0xd;
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pmic_reg_write(dev, PFUZE3000_SW1ASTBY, reg);
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pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg);
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/* decrease SW1B normal voltage to 0.975V */
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reg = pmic_reg_read(dev, PFUZE3000_SW1BVOLT);
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reg &= ~0x1f;
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reg |= PFUZE3000_SW1AB_SETP(975);
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pmic_reg_write(dev, PFUZE3000_SW1BVOLT, reg);
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return 0;
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}
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static int setup_fec(void)
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{
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return set_clk_enet(ENET_125MHZ);
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}
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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setup_fec();
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return 0;
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}
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int board_late_init(void)
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{
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return 0;
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}
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int checkboard(void)
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{
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puts("Board: iMX7-CM\n");
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return 0;
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}
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