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)27 int 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)39 int 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)47 int 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)55 int dram_init(void)
56 {
57 	return mxs_dram_init();
58 }
59 
60 #ifdef	CONFIG_CMD_MMC
mx23_olx_mmc_cd(int id)61 static int mx23_olx_mmc_cd(int id)
62 {
63 	return 1;	/* Card always present */
64 }
65 
board_mmc_init(struct bd_info * bis)66 int board_mmc_init(struct bd_info *bis)
67 {
68 	return mxsmmc_initialize(bis, 0, NULL, mx23_olx_mmc_cd);
69 }
70 #endif
71 
board_init(void)72 int board_init(void)
73 {
74 	/* Adress of boot parameters */
75 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
76 
77 #if defined(CONFIG_LED_STATUS) && defined(CONFIG_LED_STATUS_BOOT_ENABLE)
78 	status_led_set(CONFIG_LED_STATUS_BOOT, CONFIG_LED_STATUS_STATE);
79 #endif
80 
81 	return 0;
82 }
83