// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright 2016 Savoir-faire Linux Inc. * * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com> * * Based on work from TS7680 code by: * Kris Bahnsen <kris@embeddedarm.com> * Mark Featherston <mark@embeddedarm.com> * https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680 * * Derived from MX28EVK code by * Freescale Semiconductor, Inc. */ #include <common.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/mii.h> #include <miiphy.h> #include <netdev.h> #include <errno.h> DECLARE_GLOBAL_DATA_PTR; 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 clocks at 96MHz */ mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); 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; } #ifdef CONFIG_CMD_MMC static int ts4600_mmc_cd(int id) { return 1; } int board_mmc_init(bd_t *bis) { int ret; mxs_iomux_setup_pad(MX28_PAD_PWM3__GPIO_3_28); /* Power-on SD */ gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 1); udelay(1000); gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0); /* SD card */ ret = mxsmmc_initialize(bis, 0, NULL, ts4600_mmc_cd); if(ret != 0) { printf("SD controller initialized with %d\n", ret); } return ret; } #endif int checkboard(void) { puts("Board: TS4600\n"); return 0; }