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)24 int 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)36 int 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)44 int 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)52 int dram_init(void)
53 {
54 	return mxs_dram_init();
55 }
56 
57 #ifdef	CONFIG_CMD_MMC
mx23_olx_mmc_cd(int id)58 static int mx23_olx_mmc_cd(int id)
59 {
60 	return 1;	/* Card always present */
61 }
62 
board_mmc_init(bd_t * bis)63 int 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)69 int 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