132 lines
2.7 KiB
C
132 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2016 Freescale Semiconductor, Inc.
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*/
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#include <init.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/iomux.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/sys_proto.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/boot_mode.h>
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#include <asm/io.h>
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#include <common.h>
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#include <linux/sizes.h>
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#include <mmc.h>
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#include <power/pmic.h>
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#include <power/pfuze100_pmic.h>
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#include "../common/pfuze.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
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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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static iomux_v3_cfg_t const uart1_pads[] = {
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MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const wdog_pads[] = {
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MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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}
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#ifdef CONFIG_DM_PMIC_PFUZE100
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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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u32 dev_id, rev_id, i;
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u32 switch_num = 6;
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u32 offset = PFUZE100_SW1CMODE;
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ret = pmic_get("pfuze100", &dev);
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if (ret == -ENODEV)
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return 0;
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if (ret != 0)
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return ret;
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dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
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rev_id = pmic_reg_read(dev, PFUZE100_REVID);
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printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
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/* Init mode to APS_PFM */
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pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
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for (i = 0; i < switch_num - 1; i++)
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pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
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/* set SW1AB staby volatage 0.975V */
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pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
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/* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
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pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
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/* set SW1C staby volatage 0.975V */
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pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b);
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/* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
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pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
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return 0;
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}
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#endif
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int board_early_init_f(void)
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{
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setup_iomux_uart();
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return 0;
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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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return 0;
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}
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int board_late_init(void)
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{
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imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
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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: MX6SLL EVK\n");
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return 0;
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}
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int board_mmc_get_env_dev(int devno)
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{
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return devno;
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}
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int mmc_map_to_kernel_blk(int devno)
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{
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return devno;
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}
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