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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * 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
- */
- #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
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