1 /*
2  * SchulerControl GmbH, SC_SPS_1 module
3  *
4  * Copyright (C) 2012 Marek Vasut <marex@denx.de>
5  * on behalf of DENX Software Engineering GmbH
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #include <common.h>
11 #include <asm/gpio.h>
12 #include <asm/io.h>
13 #include <asm/arch/imx-regs.h>
14 #include <asm/arch/iomux-mx28.h>
15 #include <asm/arch/clock.h>
16 #include <asm/arch/sys_proto.h>
17 #include <linux/mii.h>
18 #include <miiphy.h>
19 #include <netdev.h>
20 #include <errno.h>
21 
22 DECLARE_GLOBAL_DATA_PTR;
23 
24 /*
25  * Functions
26  */
27 int board_early_init_f(void)
28 {
29 	/* IO0 clock at 480MHz */
30 	mxs_set_ioclk(MXC_IOCLK0, 480000);
31 	/* IO1 clock at 480MHz */
32 	mxs_set_ioclk(MXC_IOCLK1, 480000);
33 
34 	/* SSP0 clock at 96MHz */
35 	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
36 	/* SSP2 clock at 96MHz */
37 	mxs_set_sspclk(MXC_SSPCLK2, 96000, 0);
38 
39 #ifdef	CONFIG_CMD_USB
40 	mxs_iomux_setup_pad(MX28_PAD_AUART1_CTS__USB0_OVERCURRENT);
41 	mxs_iomux_setup_pad(MX28_PAD_AUART2_TX__GPIO_3_9 |
42 			MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL);
43 	gpio_direction_output(MX28_PAD_AUART2_TX__GPIO_3_9, 1);
44 #endif
45 
46 	return 0;
47 }
48 
49 int board_init(void)
50 {
51 	/* Adress of boot parameters */
52 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
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 int board_mmc_init(bd_t *bis)
64 {
65 	return mxsmmc_initialize(bis, 0, NULL, NULL);
66 }
67 #endif
68 
69 #ifdef	CONFIG_CMD_NET
70 int board_eth_init(bd_t *bis)
71 {
72 	struct mxs_clkctrl_regs *clkctrl_regs =
73 		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
74 	int ret;
75 
76 	ret = cpu_eth_init(bis);
77 
78 	clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet,
79 		CLKCTRL_ENET_TIME_SEL_MASK,
80 		CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN);
81 
82 	ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
83 	if (ret) {
84 		printf("FEC MXS: Unable to init FEC0\n");
85 		return ret;
86 	}
87 
88 	ret = fecmxc_initialize_multi(bis, 1, 1, MXS_ENET1_BASE);
89 	if (ret) {
90 		printf("FEC MXS: Unable to init FEC1\n");
91 		return ret;
92 	}
93 
94 	return ret;
95 }
96 
97 #endif
98