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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 | // SPDX-License-Identifier: GPL-2.0+ /* * Novena board support * * Copyright (C) 2014 Marek Vasut <marex@denx.de> */ #include <display_options.h> #include <dm.h> #include <eeprom.h> #include <init.h> #include <log.h> #include <asm/global_data.h> #include <dm/device-internal.h> #include <ahci.h> #include <env.h> #include <linux/errno.h> #include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/clock.h> #include <asm/arch/crm_regs.h> #include <asm/arch/imx-regs.h> #include <asm/arch/iomux.h> #include <asm/arch/mxc_hdmi.h> #include <asm/arch/sys_proto.h> #include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/iomux-v3.h> #include <asm/mach-imx/mxc_i2c.h> #include <asm/mach-imx/sata.h> #include <asm/mach-imx/video.h> #include <dwc_ahsata.h> #include <fsl_esdhc_imx.h> #include <i2c.h> #include <input.h> #include <ipu_pixfmt.h> #include <linux/fb.h> #include <linux/input.h> #include <malloc.h> #include <mmc.h> #include <netdev.h> #include <power/pmic.h> #include <power/pfuze100_pmic.h> #include <stdio_dev.h> #include <video_console.h> #include "novena.h" DECLARE_GLOBAL_DATA_PTR; int board_early_init_f(void) { #if defined(CONFIG_VIDEO_IPUV3) setup_display_clock(); #endif return 0; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; return 0; } int board_late_init(void) { #if defined(CONFIG_VIDEO_IPUV3) struct udevice *con; char buf[DISPLAY_OPTIONS_BANNER_LENGTH]; int ret; setup_display_lvds(); ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con); if (ret) return ret; display_options_get_banner(false, buf, sizeof(buf)); vidconsole_position_cursor(con, 0, 0); vidconsole_put_string(con, NULL, buf); #endif return 0; } int checkboard(void) { puts("Board: Novena 4x\n"); return 0; } int dram_init(void) { gd->ram_size = imx_ddr_size(); return 0; } /* setup board specific PMIC */ int power_init_board(void) { struct pmic *p; u32 reg; int ret; power_pfuze100_init(1); p = pmic_get("PFUZE100"); if (!p) return -EINVAL; ret = pmic_probe(p); if (ret) return ret; pmic_reg_read(p, PFUZE100_DEVICEID, ®); printf("PMIC: PFUZE100 ID=0x%02x\n", reg); /* Set SWBST to 5.0V and enable (for USB) */ pmic_reg_read(p, PFUZE100_SWBSTCON1, ®); reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK); reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT)); pmic_reg_write(p, PFUZE100_SWBSTCON1, reg); return 0; } /* EEPROM configuration data */ struct novena_eeprom_data { uint8_t signature[6]; uint8_t version; uint8_t reserved; uint32_t serial; uint8_t mac[6]; uint16_t features; }; int misc_init_r(void) { struct novena_eeprom_data data; uint8_t *datap = (uint8_t *)&data; const char *signature = "Novena"; struct udevice *eeprom; int ret; /* If 'ethaddr' is already set, do nothing. */ if (env_get("ethaddr")) return 0; /* EEPROM is at bus 2, address 0x56 */ ret = i2c_get_chip_for_busnum(2, 0x56, 1, &eeprom); if (ret) { puts("Cannot select EEPROM I2C bus.\n"); return 0; } ret = dm_i2c_read(eeprom, 0, datap, sizeof(data)); if (ret) { puts("Cannot read I2C EEPROM.\n"); return 0; } /* Check EEPROM signature. */ if (memcmp(data.signature, signature, 6)) { puts("Invalid I2C EEPROM signature.\n"); return 0; } /* Set ethernet address from EEPROM. */ eth_env_set_enetaddr("ethaddr", data.mac); return ret; } |