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