LXR uboot/board/kosagi/novena/novena.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Novena board support
   4 *
   5 * Copyright (C) 2014 Marek Vasut <marex@denx.de>
   6 */
   7
   8#include <common.h>
   9#include <display_options.h>
  10#include <dm.h>
  11#include <eeprom.h>
  12#include <init.h>
  13#include <log.h>
  14#include <asm/global_data.h>
  15#include <dm/device-internal.h>
  16#include <ahci.h>
  17#include <env.h>
  18#include <linux/errno.h>
  19#include <asm/gpio.h>
  20#include <asm/io.h>
  21#include <asm/arch/clock.h>
  22#include <asm/arch/crm_regs.h>
  23#include <asm/arch/imx-regs.h>
  24#include <asm/arch/iomux.h>
  25#include <asm/arch/mxc_hdmi.h>
  26#include <asm/arch/sys_proto.h>
  27#include <asm/mach-imx/boot_mode.h>
  28#include <asm/mach-imx/iomux-v3.h>
  29#include <asm/mach-imx/mxc_i2c.h>
  30#include <asm/mach-imx/sata.h>
  31#include <asm/mach-imx/video.h>
  32#include <dwc_ahsata.h>
  33#include <fsl_esdhc_imx.h>
  34#include <i2c.h>
  35#include <input.h>
  36#include <ipu_pixfmt.h>
  37#include <linux/fb.h>
  38#include <linux/input.h>
  39#include <malloc.h>
  40#include <mmc.h>
  41#include <netdev.h>
  42#include <power/pmic.h>
  43#include <power/pfuze100_pmic.h>
  44#include <stdio_dev.h>
  45#include <video_console.h>
  46
  47#include "novena.h"
  48
  49DECLARE_GLOBAL_DATA_PTR;
  50
  51int board_early_init_f(void)
  52{
  53#if defined(CONFIG_VIDEO_IPUV3)
  54        setup_display_clock();
  55#endif
  56
  57        return 0;
  58}
  59
  60int board_init(void)
  61{
  62        /* address of boot parameters */
  63        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  64
  65        return 0;
  66}
  67
  68int board_late_init(void)
  69{
  70#if defined(CONFIG_VIDEO_IPUV3)
  71        struct udevice *con;
  72        char buf[DISPLAY_OPTIONS_BANNER_LENGTH];
  73        int ret;
  74
  75        setup_display_lvds();
  76
  77        ret = uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con);
  78        if (ret)
  79                return ret;
  80
  81        display_options_get_banner(false, buf, sizeof(buf));
  82        vidconsole_position_cursor(con, 0, 0);
  83        vidconsole_put_string(con, buf);
  84#endif
  85        return 0;
  86}
  87
  88int checkboard(void)
  89{
  90        puts("Board: Novena 4x\n");
  91        return 0;
  92}
  93
  94int dram_init(void)
  95{
  96        gd->ram_size = imx_ddr_size();
  97        return 0;
  98}
  99
 100/* setup board specific PMIC */
 101int power_init_board(void)
 102{
 103        struct pmic *p;
 104        u32 reg;
 105        int ret;
 106
 107        power_pfuze100_init(1);
 108        p = pmic_get("PFUZE100");
 109        if (!p)
 110                return -EINVAL;
 111
 112        ret = pmic_probe(p);
 113        if (ret)
 114                return ret;
 115
 116        pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
 117        printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);
 118
 119        /* Set SWBST to 5.0V and enable (for USB) */
 120        pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
 121        reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
 122        reg |= (SWBST_5_00V | (SWBST_MODE_AUTO << SWBST_MODE_SHIFT));
 123        pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
 124
 125        return 0;
 126}
 127
 128/* EEPROM configuration data */
 129struct novena_eeprom_data {
 130        uint8_t         signature[6];
 131        uint8_t         version;
 132        uint8_t         reserved;
 133        uint32_t        serial;
 134        uint8_t         mac[6];
 135        uint16_t        features;
 136};
 137
 138int misc_init_r(void)
 139{
 140        struct novena_eeprom_data data;
 141        uchar *datap = (uchar *)&data;
 142        const char *signature = "Novena";
 143        int ret;
 144
 145        /* If 'ethaddr' is already set, do nothing. */
 146        if (env_get("ethaddr"))
 147                return 0;
 148
 149        /* EEPROM is at bus 2. */
 150        ret = i2c_set_bus_num(2);
 151        if (ret) {
 152                puts("Cannot select EEPROM I2C bus.\n");
 153                return 0;
 154        }
 155
 156        /* EEPROM is at address 0x56. */
 157        ret = eeprom_read(0x56, 0, datap, sizeof(data));
 158        if (ret) {
 159                puts("Cannot read I2C EEPROM.\n");
 160                return 0;
 161        }
 162
 163        /* Check EEPROM signature. */
 164        if (memcmp(data.signature, signature, 6)) {
 165                puts("Invalid I2C EEPROM signature.\n");
 166                return 0;
 167        }
 168
 169        /* Set ethernet address from EEPROM. */
 170        eth_env_set_enetaddr("ethaddr", data.mac);
 171
 172        return ret;
 173}
 174