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 <init.h>
11 #include <net.h>
12 #include <asm/global_data.h>
13 #include <asm/gpio.h>
14 #include <asm/io.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/iomux-mx28.h>
17 #include <asm/arch/clock.h>
18 #include <asm/arch/sys_proto.h>
19 #include <linux/mii.h>
20 #include <miiphy.h>
21 #include <netdev.h>
22 #include <errno.h>
23
24 DECLARE_GLOBAL_DATA_PTR;
25
26 /*
27 * Functions
28 */
board_early_init_f(void)29 int board_early_init_f(void)
30 {
31 /* IO0 clock at 480MHz */
32 mxs_set_ioclk(MXC_IOCLK0, 480000);
33 /* IO1 clock at 480MHz */
34 mxs_set_ioclk(MXC_IOCLK1, 480000);
35
36 /* SSP0 clock at 96MHz */
37 mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
38 /* SSP2 clock at 96MHz */
39 mxs_set_sspclk(MXC_SSPCLK2, 96000, 0);
40
41 #ifdef CONFIG_CMD_USB
42 mxs_iomux_setup_pad(MX28_PAD_AUART1_CTS__USB0_OVERCURRENT);
43 mxs_iomux_setup_pad(MX28_PAD_AUART2_TX__GPIO_3_9 |
44 MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL);
45 gpio_direction_output(MX28_PAD_AUART2_TX__GPIO_3_9, 1);
46 #endif
47
48 return 0;
49 }
50
board_init(void)51 int board_init(void)
52 {
53 /* Adress of boot parameters */
54 gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
55
56 return 0;
57 }
58
dram_init(void)59 int dram_init(void)
60 {
61 return mxs_dram_init();
62 }
63
64 #ifdef CONFIG_CMD_MMC
board_mmc_init(struct bd_info * bis)65 int board_mmc_init(struct bd_info *bis)
66 {
67 return mxsmmc_initialize(bis, 0, NULL, NULL);
68 }
69 #endif
70
71 #ifdef CONFIG_CMD_NET
board_eth_init(struct bd_info * bis)72 int board_eth_init(struct bd_info *bis)
73 {
74 struct mxs_clkctrl_regs *clkctrl_regs =
75 (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
76 int ret;
77
78 ret = cpu_eth_init(bis);
79
80 clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet,
81 CLKCTRL_ENET_TIME_SEL_MASK,
82 CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN);
83
84 ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
85 if (ret) {
86 printf("FEC MXS: Unable to init FEC0\n");
87 return ret;
88 }
89
90 ret = fecmxc_initialize_multi(bis, 1, 1, MXS_ENET1_BASE);
91 if (ret) {
92 printf("FEC MXS: Unable to init FEC1\n");
93 return ret;
94 }
95
96 return ret;
97 }
98
99 #endif
100