164a93860SMarek Vasut /* 264a93860SMarek Vasut * Olimex MX23 Olinuxino board 364a93860SMarek Vasut * 464a93860SMarek Vasut * Copyright (C) 2013 Marek Vasut <marex@denx.de> 564a93860SMarek Vasut * 61a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 764a93860SMarek Vasut */ 864a93860SMarek Vasut 964a93860SMarek Vasut #include <common.h> 107315e3bfSOtavio Salvador #include <asm/gpio.h> 1113b1ebdeSMarek Vasut #include <asm/io.h> 1213b1ebdeSMarek Vasut #include <asm/arch/iomux-mx23.h> 1364a93860SMarek Vasut #include <asm/arch/imx-regs.h> 1413b1ebdeSMarek Vasut #include <asm/arch/clock.h> 1564a93860SMarek Vasut #include <asm/arch/sys_proto.h> 1636c7c925SOtavio Salvador #ifdef CONFIG_STATUS_LED 1736c7c925SOtavio Salvador #include <status_led.h> 1836c7c925SOtavio Salvador #endif 1964a93860SMarek Vasut 2064a93860SMarek Vasut DECLARE_GLOBAL_DATA_PTR; 2164a93860SMarek Vasut 2264a93860SMarek Vasut /* 2364a93860SMarek Vasut * Functions 2464a93860SMarek Vasut */ 2564a93860SMarek Vasut int board_early_init_f(void) 2664a93860SMarek Vasut { 2713b1ebdeSMarek Vasut /* IO0 clock at 480MHz */ 2813b1ebdeSMarek Vasut mxs_set_ioclk(MXC_IOCLK0, 480000); 2913b1ebdeSMarek Vasut 3013b1ebdeSMarek Vasut /* SSP0 clock at 96MHz */ 3113b1ebdeSMarek Vasut mxs_set_sspclk(MXC_SSPCLK0, 96000, 0); 3213b1ebdeSMarek Vasut 3364a93860SMarek Vasut return 0; 3464a93860SMarek Vasut } 3564a93860SMarek Vasut 36*ca11db26SMarek Vasut #ifdef CONFIG_CMD_USB 37*ca11db26SMarek Vasut int board_ehci_hcd_init(int port) 38*ca11db26SMarek Vasut { 39*ca11db26SMarek Vasut /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ 40*ca11db26SMarek Vasut gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1); 41*ca11db26SMarek Vasut udelay(100); 42*ca11db26SMarek Vasut return 0; 43*ca11db26SMarek Vasut } 44*ca11db26SMarek Vasut 45*ca11db26SMarek Vasut int board_ehci_hcd_exit(int port) 46*ca11db26SMarek Vasut { 47*ca11db26SMarek Vasut /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */ 48*ca11db26SMarek Vasut gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0); 49*ca11db26SMarek Vasut return 0; 50*ca11db26SMarek Vasut } 51*ca11db26SMarek Vasut #endif 52*ca11db26SMarek Vasut 5364a93860SMarek Vasut int dram_init(void) 5464a93860SMarek Vasut { 5564a93860SMarek Vasut return mxs_dram_init(); 5664a93860SMarek Vasut } 5764a93860SMarek Vasut 5813b1ebdeSMarek Vasut #ifdef CONFIG_CMD_MMC 5913b1ebdeSMarek Vasut static int mx23_olx_mmc_cd(int id) 6013b1ebdeSMarek Vasut { 6113b1ebdeSMarek Vasut return 1; /* Card always present */ 6213b1ebdeSMarek Vasut } 6313b1ebdeSMarek Vasut 6413b1ebdeSMarek Vasut int board_mmc_init(bd_t *bis) 6513b1ebdeSMarek Vasut { 6613b1ebdeSMarek Vasut return mxsmmc_initialize(bis, 0, NULL, mx23_olx_mmc_cd); 6713b1ebdeSMarek Vasut } 6813b1ebdeSMarek Vasut #endif 6913b1ebdeSMarek Vasut 7064a93860SMarek Vasut int board_init(void) 7164a93860SMarek Vasut { 7264a93860SMarek Vasut /* Adress of boot parameters */ 7364a93860SMarek Vasut gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; 7464a93860SMarek Vasut 7536c7c925SOtavio Salvador #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT) 7636c7c925SOtavio Salvador status_led_set(STATUS_LED_BOOT, STATUS_LED_STATE); 7736c7c925SOtavio Salvador #endif 7836c7c925SOtavio Salvador 7964a93860SMarek Vasut return 0; 8064a93860SMarek Vasut } 81