// SPDX-License-Identifier: GPL-2.0+ /* * Freescale MX28EVK board * * (C) Copyright 2011 Freescale Semiconductor, Inc. * * Author: Fabio Estevam <fabio.estevam@freescale.com> * * Based on m28evk.c: * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> * on behalf of DENX Software Engineering GmbH */ #include <common.h> #include <init.h> #include <net.h> #include <asm/global_data.h> #include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/imx-regs.h> #include <asm/arch/iomux-mx28.h> #include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <linux/delay.h> #include <linux/mii.h> #include <miiphy.h> #include <netdev.h> #include <errno.h> DECLARE_GLOBAL_DATA_PTR; /* * Functions */ int board_early_init_f(void) { /* IO0 clock at 480MHz */ mxs_set_ioclk(MXC_IOCLK0, 480000); /* IO1 clock at 480MHz */ mxs_set_ioclk(MXC_IOCLK1, 480000); /* SSP0 clock at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); /* SSP2 clock at 160MHz */ mxs_set_sspclk(MXC_SSPCLK2, 160000, 0); #ifdef CONFIG_CMD_USB mxs_iomux_setup_pad(MX28_PAD_SSP2_SS1__USB1_OVERCURRENT); mxs_iomux_setup_pad(MX28_PAD_AUART2_RX__GPIO_3_8 | MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL); gpio_direction_output(MX28_PAD_AUART2_RX__GPIO_3_8, 1); #endif /* Power on LCD */ gpio_direction_output(MX28_PAD_LCD_RESET__GPIO_3_30, 1); /* Set contrast to maximum */ gpio_direction_output(MX28_PAD_PWM2__GPIO_3_18, 1); return 0; } int dram_init(void) { return mxs_dram_init(); } int board_init(void) { /* Adress of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; return 0; }