uboot/board/seco/mx6quq7/mx6quq7.c
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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@freescale.com>
   7 * Modified by: Boris Brezillon <boris.brezillon@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_imx.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 <asm/mach-imx/mxc_i2c.h>
  30#include <i2c.h>
  31
  32#include "../common/mx6.h"
  33
  34DECLARE_GLOBAL_DATA_PTR;
  35
  36int dram_init(void)
  37{
  38        gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
  39
  40        return 0;
  41}
  42
  43int board_early_init_f(void)
  44{
  45        seco_mx6_setup_uart_iomux();
  46
  47        return 0;
  48}
  49
  50int board_phy_config(struct phy_device *phydev)
  51{
  52        seco_mx6_rgmii_rework(phydev);
  53        if (phydev->drv->config)
  54                phydev->drv->config(phydev);
  55
  56        return 0;
  57}
  58
  59int board_eth_init(bd_t *bis)
  60{
  61        uint32_t base = IMX_FEC_BASE;
  62        struct mii_dev *bus = NULL;
  63        struct phy_device *phydev = NULL;
  64        int ret = 0;
  65
  66        seco_mx6_setup_enet_iomux();
  67
  68#ifdef CONFIG_FEC_MXC
  69        bus = fec_get_miibus(base, -1);
  70        if (!bus)
  71                return -ENOMEM;
  72
  73        /* scan phy 4,5,6,7 */
  74        phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
  75        if (!phydev) {
  76                free(bus);
  77                return -ENOMEM;
  78        }
  79
  80        printf("using phy at %d\n", phydev->addr);
  81        ret  = fec_probe(bis, -1, base, bus, phydev);
  82        if (ret) {
  83                free(phydev);
  84                free(bus);
  85                printf("FEC MXC: %s:failed\n", __func__);
  86        }
  87#endif
  88
  89        return ret;
  90}
  91
  92#define USDHC4_CD_GPIO          IMX_GPIO_NR(2, 6)
  93
  94static struct fsl_esdhc_cfg usdhc_cfg[2] = {
  95        {USDHC3_BASE_ADDR, 0, 4},
  96        {USDHC4_BASE_ADDR, 0, 4},
  97};
  98
  99int board_mmc_getcd(struct mmc *mmc)
 100{
 101        struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 102        int ret = 0;
 103
 104        switch (cfg->esdhc_base) {
 105        case USDHC3_BASE_ADDR:
 106                ret = 1; /* Assume eMMC is always present */
 107                break;
 108        case USDHC4_BASE_ADDR:
 109                ret = !gpio_get_value(USDHC4_CD_GPIO);
 110                break;
 111        }
 112
 113        return ret;
 114}
 115
 116int board_mmc_init(bd_t *bis)
 117{
 118        u32 index = 0;
 119        int ret;
 120
 121        /*
 122         * Following map is done:
 123         * (U-Boot device node)    (Physical Port)
 124         * mmc0                    eMMC on Board
 125         * mmc1                    Ext SD
 126         */
 127        for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
 128                switch (index) {
 129                case 0:
 130                        seco_mx6_setup_usdhc_iomux(3);
 131                        usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 132                        break;
 133                case 1:
 134                        seco_mx6_setup_usdhc_iomux(4);
 135                        usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 136                        break;
 137
 138                default:
 139                        printf("Warning: %d exceed maximum number of SD ports %d\n",
 140                               index + 1, CONFIG_SYS_FSL_USDHC_NUM);
 141                        return -EINVAL;
 142                }
 143
 144                ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
 145                if (ret)
 146                        return ret;
 147        }
 148
 149        return 0;
 150}
 151
 152int board_init(void)
 153{
 154        /* address of boot parameters */
 155        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 156
 157        imx_iomux_v3_setup_pad(MX6_PAD_NANDF_D4__GPIO2_IO04 |
 158                               MUX_PAD_CTRL(NO_PAD_CTRL));
 159
 160        gpio_direction_output(IMX_GPIO_NR(2, 4), 0);
 161
 162        /* Set Low */
 163        gpio_set_value(IMX_GPIO_NR(2, 4), 0);
 164        udelay(1000);
 165
 166        /* Set High */
 167        gpio_set_value(IMX_GPIO_NR(2, 4), 1);
 168
 169        return 0;
 170}
 171
 172int checkboard(void)
 173{
 174        puts("Board: SECO uQ7\n");
 175
 176        return 0;
 177}
 178