1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * SchulerControl GmbH, SC_SPS_1 module
4  *
5  * Copyright (C) 2012 Marek Vasut <marex@denx.de>
6  * on behalf of DENX Software Engineering GmbH
7  */
8 
9 #include <common.h>
10 #include <asm/gpio.h>
11 #include <asm/io.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/iomux-mx28.h>
14 #include <asm/arch/clock.h>
15 #include <asm/arch/sys_proto.h>
16 #include <linux/mii.h>
17 #include <miiphy.h>
18 #include <netdev.h>
19 #include <errno.h>
20 
21 DECLARE_GLOBAL_DATA_PTR;
22 
23 /*
24  * Functions
25  */
26 int board_early_init_f(void)
27 {
28 	/* IO0 clock at 480MHz */
29 	mxs_set_ioclk(MXC_IOCLK0, 480000);
30 	/* IO1 clock at 480MHz */
31 	mxs_set_ioclk(MXC_IOCLK1, 480000);
32 
33 	/* SSP0 clock at 96MHz */
34 	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
35 	/* SSP2 clock at 96MHz */
36 	mxs_set_sspclk(MXC_SSPCLK2, 96000, 0);
37 
38 #ifdef	CONFIG_CMD_USB
39 	mxs_iomux_setup_pad(MX28_PAD_AUART1_CTS__USB0_OVERCURRENT);
40 	mxs_iomux_setup_pad(MX28_PAD_AUART2_TX__GPIO_3_9 |
41 			MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL);
42 	gpio_direction_output(MX28_PAD_AUART2_TX__GPIO_3_9, 1);
43 #endif
44 
45 	return 0;
46 }
47 
48 int board_init(void)
49 {
50 	/* Adress of boot parameters */
51 	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
52 
53 	return 0;
54 }
55 
56 int dram_init(void)
57 {
58 	return mxs_dram_init();
59 }
60 
61 #ifdef	CONFIG_CMD_MMC
62 int board_mmc_init(bd_t *bis)
63 {
64 	return mxsmmc_initialize(bis, 0, NULL, NULL);
65 }
66 #endif
67 
68 #ifdef	CONFIG_CMD_NET
69 int board_eth_init(bd_t *bis)
70 {
71 	struct mxs_clkctrl_regs *clkctrl_regs =
72 		(struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
73 	int ret;
74 
75 	ret = cpu_eth_init(bis);
76 
77 	clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet,
78 		CLKCTRL_ENET_TIME_SEL_MASK,
79 		CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN);
80 
81 	ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
82 	if (ret) {
83 		printf("FEC MXS: Unable to init FEC0\n");
84 		return ret;
85 	}
86 
87 	ret = fecmxc_initialize_multi(bis, 1, 1, MXS_ENET1_BASE);
88 	if (ret) {
89 		printf("FEC MXS: Unable to init FEC1\n");
90 		return ret;
91 	}
92 
93 	return ret;
94 }
95 
96 #endif
97