1 /*
2  * Olimex MX23 Olinuxino board
3  *
4  * Copyright (C) 2013 Marek Vasut <marex@denx.de>
5  *
6  * See file CREDITS for list of people who contributed to this
7  * project.
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 2 of
12  * the License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22  * MA 02111-1307 USA
23  */
24 
25 #include <common.h>
26 #include <asm/gpio.h>
27 #include <asm/io.h>
28 #include <asm/arch/iomux-mx23.h>
29 #include <asm/arch/imx-regs.h>
30 #include <asm/arch/clock.h>
31 #include <asm/arch/sys_proto.h>
32 #ifdef CONFIG_STATUS_LED
33 #include <status_led.h>
34 #endif
35 
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 /*
39  * Functions
40  */
41 int board_early_init_f(void)
42 {
43 	/* IO0 clock at 480MHz */
44 	mxs_set_ioclk(MXC_IOCLK0, 480000);
45 
46 	/* SSP0 clock at 96MHz */
47 	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
48 
49 #ifdef CONFIG_CMD_USB
50 	/* Enable LAN9512 */
51 	gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1);
52 #endif
53 
54 	return 0;
55 }
56 
57 int dram_init(void)
58 {
59 	return mxs_dram_init();
60 }
61 
62 #ifdef	CONFIG_CMD_MMC
63 static int mx23_olx_mmc_cd(int id)
64 {
65 	return 1;	/* Card always present */
66 }
67 
68 int board_mmc_init(bd_t *bis)
69 {
70 	return mxsmmc_initialize(bis, 0, NULL, mx23_olx_mmc_cd);
71 }
72 #endif
73 
74 int board_init(void)
75 {
76 	/* Adress of boot parameters */
77 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
78 
79 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
80 	status_led_set(STATUS_LED_BOOT, STATUS_LED_STATE);
81 #endif
82 
83 	return 0;
84 }
85