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      1 // SPDX-License-Identifier: GPL-2.0+
      2 /*
      3  * Copyright (C) 2013 Freescale Semiconductor, Inc.
      4  * Copyright (C) 2015 ECA Sinters
      5  *
      6  * Author: Fabio Estevam <fabio.estevam (at) freescale.com>
      7  * Modified by: Boris Brezillon <boris.brezillon (at) free-electrons.com>
      8  */
      9 
     10 #include <asm/arch/clock.h>
     11 #include <asm/arch/imx-regs.h>
     12 #include <asm/arch/iomux.h>
     13 #include <asm/arch/mx6-pins.h>
     14 #include <linux/errno.h>
     15 #include <asm/gpio.h>
     16 #include <asm/mach-imx/iomux-v3.h>
     17 #include <asm/mach-imx/boot_mode.h>
     18 #include <malloc.h>
     19 #include <mmc.h>
     20 #include <fsl_esdhc.h>
     21 #include <miiphy.h>
     22 #include <netdev.h>
     23 #include <asm/arch/mxc_hdmi.h>
     24 #include <asm/arch/crm_regs.h>
     25 #include <linux/fb.h>
     26 #include <ipu_pixfmt.h>
     27 #include <asm/io.h>
     28 #include <asm/arch/sys_proto.h>
     29 #include <micrel.h>
     30 #include <asm/mach-imx/mxc_i2c.h>
     31 #include <i2c.h>
     32 
     33 #include "../common/mx6.h"
     34 
     35 DECLARE_GLOBAL_DATA_PTR;
     36 
     37 int dram_init(void)
     38 {
     39 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
     40 
     41 	return 0;
     42 }
     43 
     44 int board_early_init_f(void)
     45 {
     46 	seco_mx6_setup_uart_iomux();
     47 
     48 	return 0;
     49 }
     50 
     51 int board_phy_config(struct phy_device *phydev)
     52 {
     53 	seco_mx6_rgmii_rework(phydev);
     54 	if (phydev->drv->config)
     55 		phydev->drv->config(phydev);
     56 
     57 	return 0;
     58 }
     59 
     60 int board_eth_init(bd_t *bis)
     61 {
     62 	uint32_t base = IMX_FEC_BASE;
     63 	struct mii_dev *bus = NULL;
     64 	struct phy_device *phydev = NULL;
     65 	int ret = 0;
     66 
     67 	seco_mx6_setup_enet_iomux();
     68 
     69 #ifdef CONFIG_FEC_MXC
     70 	bus = fec_get_miibus(base, -1);
     71 	if (!bus)
     72 		return -ENOMEM;
     73 
     74 	/* scan phy 4,5,6,7 */
     75 	phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
     76 	if (!phydev) {
     77 		free(bus);
     78 		return -ENOMEM;
     79 	}
     80 
     81 	printf("using phy at %d\n", phydev->addr);
     82 	ret  = fec_probe(bis, -1, base, bus, phydev);
     83 	if (ret) {
     84 		free(phydev);
     85 		free(bus);
     86 		printf("FEC MXC: %s:failed\n", __func__);
     87 	}
     88 #endif
     89 
     90 	return ret;
     91 }
     92 
     93 #define USDHC4_CD_GPIO		IMX_GPIO_NR(2, 6)
     94 
     95 static struct fsl_esdhc_cfg usdhc_cfg[2] = {
     96 	{USDHC3_BASE_ADDR, 0, 4},
     97 	{USDHC4_BASE_ADDR, 0, 4},
     98 };
     99 
    100 int board_mmc_getcd(struct mmc *mmc)
    101 {
    102 	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
    103 	int ret = 0;
    104 
    105 	switch (cfg->esdhc_base) {
    106 	case USDHC3_BASE_ADDR:
    107 		ret = 1; /* Assume eMMC is always present */
    108 		break;
    109 	case USDHC4_BASE_ADDR:
    110 		ret = !gpio_get_value(USDHC4_CD_GPIO);
    111 		break;
    112 	}
    113 
    114 	return ret;
    115 }
    116 
    117 int board_mmc_init(bd_t *bis)
    118 {
    119 	u32 index = 0;
    120 	int ret;
    121 
    122 	/*
    123 	 * Following map is done:
    124 	 * (U-Boot device node)    (Physical Port)
    125 	 * mmc0                    eMMC on Board
    126 	 * mmc1                    Ext SD
    127 	 */
    128 	for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
    129 		switch (index) {
    130 		case 0:
    131 			seco_mx6_setup_usdhc_iomux(3);
    132 			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
    133 			break;
    134 		case 1:
    135 			seco_mx6_setup_usdhc_iomux(4);
    136 			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
    137 			break;
    138 
    139 		default:
    140 			printf("Warning: %d exceed maximum number of SD ports %d\n",
    141 			       index + 1, CONFIG_SYS_FSL_USDHC_NUM);
    142 			return -EINVAL;
    143 		}
    144 
    145 		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
    146 		if (ret)
    147 			return ret;
    148 	}
    149 
    150 	return 0;
    151 }
    152 
    153 int board_init(void)
    154 {
    155 	/* address of boot parameters */
    156 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
    157 
    158 	imx_iomux_v3_setup_pad(MX6_PAD_NANDF_D4__GPIO2_IO04 |
    159 			       MUX_PAD_CTRL(NO_PAD_CTRL));
    160 
    161 	gpio_direction_output(IMX_GPIO_NR(2, 4), 0);
    162 
    163 	/* Set Low */
    164 	gpio_set_value(IMX_GPIO_NR(2, 4), 0);
    165 	udelay(1000);
    166 
    167 	/* Set High */
    168 	gpio_set_value(IMX_GPIO_NR(2, 4), 1);
    169 
    170 	return 0;
    171 }
    172 
    173 int checkboard(void)
    174 {
    175 	puts("Board: SECO uQ7\n");
    176 
    177 	return 0;
    178 }
    179