1/* 2 * Olimex MX23 Olinuxino board 3 * 4 * Copyright (C) 2013 Marek Vasut <marex@denx.de> 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 */ 8 9#include <common.h> 10#include <asm/gpio.h> 11#include <asm/io.h> 12#include <asm/arch/iomux-mx23.h> 13#include <asm/arch/imx-regs.h> 14#include <asm/arch/clock.h> 15#include <asm/arch/sys_proto.h> 16#ifdef CONFIG_STATUS_LED 17#include <status_led.h> 18#endif 19 20DECLARE_GLOBAL_DATA_PTR; 21 22/* 23 * Functions 24 */ 25int board_early_init_f(void) 26{ 27 /* IO0 clock at 480MHz */ 28 mxs_set_ioclk(MXC_IOCLK0, 480000); 29 30 /* SSP0 clock at 96MHz */ 31 mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); 32 33 return 0; 34} 35 36#ifdef CONFIG_CMD_USB 37int board_ehci_hcd_init(int port) 38{ 39 /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ 40 gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1); 41 udelay(100); 42 return 0; 43} 44 45int board_ehci_hcd_exit(int port) 46{ 47 /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ 48 gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0); 49 return 0; 50} 51#endif 52 53int dram_init(void) 54{ 55 return mxs_dram_init(); 56} 57 58#ifdef CONFIG_CMD_MMC 59static int mx23_olx_mmc_cd(int id) 60{ 61 return 1; /* Card always present */ 62} 63 64int board_mmc_init(bd_t *bis) 65{ 66 return mxsmmc_initialize(bis, 0, NULL, mx23_olx_mmc_cd); 67} 68#endif 69 70int board_init(void) 71{ 72 /* Adress of boot parameters */ 73 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 74 75#if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) 76 status_led_set(STATUS_LED_BOOT, STATUS_LED_STATE); 77#endif 78 79 return 0; 80} 81