xref: /openbmc/u-boot/board/seco/mx6quq7/mx6quq7.c (revision 0c01c3e8)
1 /*
2  * Copyright (C) 2013 Freescale Semiconductor, Inc.
3  * Copyright (C) 2015 ECA Sinters
4  *
5  * Author: Fabio Estevam <fabio.estevam@freescale.com>
6  * Modified by: Boris Brezillon <boris.brezillon@free-electrons.com>
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #include <asm/arch/clock.h>
12 #include <asm/arch/imx-regs.h>
13 #include <asm/arch/iomux.h>
14 #include <asm/arch/mx6-pins.h>
15 #include <asm/errno.h>
16 #include <asm/gpio.h>
17 #include <asm/imx-common/iomux-v3.h>
18 #include <asm/imx-common/boot_mode.h>
19 #include <malloc.h>
20 #include <mmc.h>
21 #include <fsl_esdhc.h>
22 #include <miiphy.h>
23 #include <netdev.h>
24 #include <asm/arch/mxc_hdmi.h>
25 #include <asm/arch/crm_regs.h>
26 #include <linux/fb.h>
27 #include <ipu_pixfmt.h>
28 #include <asm/io.h>
29 #include <asm/arch/sys_proto.h>
30 #include <micrel.h>
31 #include <asm/imx-common/mxc_i2c.h>
32 #include <i2c.h>
33 
34 #include "../common/mx6.h"
35 
36 DECLARE_GLOBAL_DATA_PTR;
37 
38 int dram_init(void)
39 {
40 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
41 
42 	return 0;
43 }
44 
45 int board_early_init_f(void)
46 {
47 	seco_mx6_setup_uart_iomux();
48 
49 	return 0;
50 }
51 
52 int board_phy_config(struct phy_device *phydev)
53 {
54 	seco_mx6_rgmii_rework(phydev);
55 	if (phydev->drv->config)
56 		phydev->drv->config(phydev);
57 
58 	return 0;
59 }
60 
61 int board_eth_init(bd_t *bis)
62 {
63 	uint32_t base = IMX_FEC_BASE;
64 	struct mii_dev *bus = NULL;
65 	struct phy_device *phydev = NULL;
66 	int ret = 0;
67 
68 	seco_mx6_setup_enet_iomux();
69 
70 #ifdef CONFIG_FEC_MXC
71 	bus = fec_get_miibus(base, -1);
72 	if (!bus)
73 		return -ENOMEM;
74 
75 	/* scan phy 4,5,6,7 */
76 	phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
77 	if (!phydev) {
78 		free(bus);
79 		return -ENOMEM;
80 	}
81 
82 	printf("using phy at %d\n", phydev->addr);
83 	ret  = fec_probe(bis, -1, base, bus, phydev);
84 	if (ret) {
85 		free(phydev);
86 		free(bus);
87 		printf("FEC MXC: %s:failed\n", __func__);
88 	}
89 #endif
90 
91 	return ret;
92 }
93 
94 static struct fsl_esdhc_cfg usdhc_cfg[2] = {
95 	{USDHC3_BASE_ADDR},
96 	{USDHC2_BASE_ADDR},
97 };
98 
99 int board_mmc_init(bd_t *bis)
100 {
101 	u32 index = 0;
102 	int ret;
103 
104 	/*
105 	 * Following map is done:
106 	 * (U-boot device node)    (Physical Port)
107 	 * mmc0                    eMMC on Board
108 	 * mmc1                    Ext SD
109 	 */
110 	for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
111 		switch (index) {
112 		case 0:
113 			seco_mx6_setup_usdhc_iomux(3);
114 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
115 			usdhc_cfg[0].max_bus_width = 4;
116 			break;
117 		case 1:
118 			seco_mx6_setup_usdhc_iomux(4);
119 			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
120 			usdhc_cfg[1].max_bus_width = 4;
121 			break;
122 
123 		default:
124 			printf("Warning: %d exceed maximum number of SD ports %d\n",
125 			       index + 1, CONFIG_SYS_FSL_USDHC_NUM);
126 			return -EINVAL;
127 		}
128 
129 		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
130 		if (ret)
131 			return ret;
132 	}
133 
134 	return 0;
135 }
136 
137 int board_init(void)
138 {
139 	/* address of boot parameters */
140 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
141 
142 	imx_iomux_v3_setup_pad(MX6_PAD_NANDF_D4__GPIO2_IO04 |
143 			       MUX_PAD_CTRL(NO_PAD_CTRL));
144 
145 	gpio_direction_output(IMX_GPIO_NR(2, 4), 0);
146 
147 	/* Set Low */
148 	gpio_set_value(IMX_GPIO_NR(2, 4), 0);
149 	udelay(1000);
150 
151 	/* Set High */
152 	gpio_set_value(IMX_GPIO_NR(2, 4), 1);
153 
154 	return 0;
155 }
156 
157 int checkboard(void)
158 {
159 	puts("Board: SECO uQ7\n");
160 
161 	return 0;
162 }
163