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 
20 DECLARE_GLOBAL_DATA_PTR;
21 
22 /*
23  * Functions
24  */
25 int 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
37 int 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 
45 int 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 
53 int dram_init(void)
54 {
55 	return mxs_dram_init();
56 }
57 
58 #ifdef	CONFIG_CMD_MMC
59 static int mx23_olx_mmc_cd(int id)
60 {
61 	return 1;	/* Card always present */
62 }
63 
64 int board_mmc_init(bd_t *bis)
65 {
66 	return mxsmmc_initialize(bis, 0, NULL, mx23_olx_mmc_cd);
67 }
68 #endif
69 
70 int 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