board/seco/mx6quq7/mx6quq7.c

   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 #define USDHC4_CD_GPIO          IMX_GPIO_NR(2, 6)
  95
  96 static struct fsl_esdhc_cfg usdhc_cfg[2] = {
  97         {USDHC3_BASE_ADDR, 0, 4},
  98         {USDHC4_BASE_ADDR, 0, 4},
  99 };
 100
 101 int board_mmc_getcd(struct mmc *mmc)
 102 {
 103         struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
 104         int ret = 0;
 105
 106         switch (cfg->esdhc_base) {
 107         case USDHC3_BASE_ADDR:
 108                 ret = 1; /* Assume eMMC is always present */
 109                 break;
 110         case USDHC4_BASE_ADDR:
 111                 ret = !gpio_get_value(USDHC4_CD_GPIO);
 112                 break;
 113         }
 114
 115         return ret;
 116 }
 117
 118 int board_mmc_init(bd_t *bis)
 119 {
 120         u32 index = 0;
 121         int ret;
 122
 123         /*
 124          * Following map is done:
 125          * (U-Boot device node)    (Physical Port)
 126          * mmc0                    eMMC on Board
 127          * mmc1                    Ext SD
 128          */
 129         for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
 130                 switch (index) {
 131                 case 0:
 132                         seco_mx6_setup_usdhc_iomux(3);
 133                         usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
 134                         break;
 135                 case 1:
 136                         seco_mx6_setup_usdhc_iomux(4);
 137                         usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
 138                         break;
 139
 140                 default:
 141                         printf("Warning: %d exceed maximum number of SD ports %d\n",
 142                                index + 1, CONFIG_SYS_FSL_USDHC_NUM);
 143                         return -EINVAL;
 144                 }
 145
 146                 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
 147                 if (ret)
 148                         return ret;
 149         }
 150
 151         return 0;
 152 }
 153
 154 int board_init(void)
 155 {
 156         /* address of boot parameters */
 157         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 158
 159         imx_iomux_v3_setup_pad(MX6_PAD_NANDF_D4__GPIO2_IO04 |
 160                                MUX_PAD_CTRL(NO_PAD_CTRL));
 161
 162         gpio_direction_output(IMX_GPIO_NR(2, 4), 0);
 163
 164         /* Set Low */
 165         gpio_set_value(IMX_GPIO_NR(2, 4), 0);
 166         udelay(1000);
 167
 168         /* Set High */
 169         gpio_set_value(IMX_GPIO_NR(2, 4), 1);
 170
 171         return 0;
 172 }
 173
 174 int checkboard(void)
 175 {
 176         puts("Board: SECO uQ7\n");
 177
 178         return 0;
 179 }