| /* |
| * Freescale MX23EVK board |
| * |
| * (C) Copyright 2013 O.S. Systems Software LTDA. |
| * |
| * Author: Otavio Salvador <otavio@ossystems.com.br> |
| * |
| * Based on m28evk.c: |
| * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> |
| * on behalf of DENX Software Engineering GmbH |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <asm/gpio.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/iomux-mx23.h> |
| #include <asm/arch/sys_proto.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* |
| * Functions |
| */ |
| int board_early_init_f(void) |
| { |
| /* IO0 clock at 480MHz */ |
| mxs_set_ioclk(MXC_IOCLK0, 480000); |
| |
| /* SSP0 clock at 96MHz */ |
| mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); |
| |
| /* Power on LCD */ |
| gpio_direction_output(MX23_PAD_LCD_RESET__GPIO_1_18, 1); |
| |
| /* Set contrast to maximum */ |
| gpio_direction_output(MX23_PAD_PWM2__GPIO_1_28, 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; |
| } |
| |
| #ifdef CONFIG_CMD_MMC |
| static int mx23evk_mmc_wp(int id) |
| { |
| if (id != 0) { |
| printf("MXS MMC: Invalid card selected (card id = %d)\n", id); |
| return 1; |
| } |
| |
| return gpio_get_value(MX23_PAD_PWM4__GPIO_1_30); |
| } |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| /* Configure WP as input */ |
| gpio_direction_input(MX23_PAD_PWM4__GPIO_1_30); |
| |
| /* Configure MMC0 Power Enable */ |
| gpio_direction_output(MX23_PAD_PWM3__GPIO_1_29, 0); |
| |
| return mxsmmc_initialize(bis, 0, mx23evk_mmc_wp, NULL); |
| } |
| #endif |
