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