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 <linux/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 } 180