uboot/board/Marvell/dreamplug/dreamplug.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * (C) Copyright 2011
   4 * Jason Cooper <u-boot@lakedaemon.net>
   5 *
   6 * Based on work by:
   7 * Marvell Semiconductor <www.marvell.com>
   8 * Written-by: Siddarth Gore <gores@marvell.com>
   9 */
  10
  11#include <common.h>
  12#include <init.h>
  13#include <miiphy.h>
  14#include <net.h>
  15#include <asm/arch/cpu.h>
  16#include <asm/arch/soc.h>
  17#include <asm/arch/mpp.h>
  18#include "dreamplug.h"
  19
  20DECLARE_GLOBAL_DATA_PTR;
  21
  22int board_early_init_f(void)
  23{
  24        /*
  25         * default gpio configuration
  26         * There are maximum 64 gpios controlled through 2 sets of registers
  27         * the  below configuration configures mainly initial LED status
  28         */
  29        mvebu_config_gpio(DREAMPLUG_OE_VAL_LOW,
  30                          DREAMPLUG_OE_VAL_HIGH,
  31                          DREAMPLUG_OE_LOW, DREAMPLUG_OE_HIGH);
  32
  33        /* Multi-Purpose Pins Functionality configuration */
  34        static const u32 kwmpp_config[] = {
  35                MPP0_SPI_SCn,           /* SPI Flash */
  36                MPP1_SPI_MOSI,
  37                MPP2_SPI_SCK,
  38                MPP3_SPI_MISO,
  39                MPP4_NF_IO6,
  40                MPP5_NF_IO7,
  41                MPP6_SYSRST_OUTn,
  42                MPP7_GPO,
  43                MPP8_TW_SDA,
  44                MPP9_TW_SCK,
  45                MPP10_UART0_TXD,        /* Serial */
  46                MPP11_UART0_RXD,
  47                MPP12_SD_CLK,           /* SDIO Slot */
  48                MPP13_SD_CMD,
  49                MPP14_SD_D0,
  50                MPP15_SD_D1,
  51                MPP16_SD_D2,
  52                MPP17_SD_D3,
  53                MPP18_NF_IO0,
  54                MPP19_NF_IO1,
  55                MPP20_GE1_0,            /* Gigabit Ethernet */
  56                MPP21_GE1_1,
  57                MPP22_GE1_2,
  58                MPP23_GE1_3,
  59                MPP24_GE1_4,
  60                MPP25_GE1_5,
  61                MPP26_GE1_6,
  62                MPP27_GE1_7,
  63                MPP28_GE1_8,
  64                MPP29_GE1_9,
  65                MPP30_GE1_10,
  66                MPP31_GE1_11,
  67                MPP32_GE1_12,
  68                MPP33_GE1_13,
  69                MPP34_GE1_14,
  70                MPP35_GE1_15,
  71                MPP36_GPIO,             /* 7 external GPIO pins (36 - 45) */
  72                MPP37_GPIO,
  73                MPP38_GPIO,
  74                MPP39_GPIO,
  75                MPP40_TDM_SPI_SCK,
  76                MPP41_TDM_SPI_MISO,
  77                MPP42_TDM_SPI_MOSI,
  78                MPP43_GPIO,
  79                MPP44_GPIO,
  80                MPP45_GPIO,
  81                MPP46_GPIO,
  82                MPP47_GPIO,             /* Bluetooth LED */
  83                MPP48_GPIO,             /* Wifi LED */
  84                MPP49_GPIO,             /* Wifi AP LED */
  85                0
  86        };
  87        kirkwood_mpp_conf(kwmpp_config, NULL);
  88        return 0;
  89}
  90
  91int board_init(void)
  92{
  93        /* adress of boot parameters */
  94        gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
  95
  96        return 0;
  97}
  98
  99#ifdef CONFIG_RESET_PHY_R
 100void mv_phy_88e1116_init(char *name)
 101{
 102        u16 reg;
 103        u16 devadr;
 104
 105        if (miiphy_set_current_dev(name))
 106                return;
 107
 108        /* command to read PHY dev address */
 109        if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
 110                printf("Err..%s could not read PHY dev address\n",
 111                        __func__);
 112                return;
 113        }
 114
 115        /*
 116         * Enable RGMII delay on Tx and Rx for CPU port
 117         * Ref: sec 4.7.2 of chip datasheet
 118         */
 119        miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
 120        miiphy_read(name, devadr, MV88E1116_MAC_CTRL2_REG, &reg);
 121        reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
 122        miiphy_write(name, devadr, MV88E1116_MAC_CTRL2_REG, reg);
 123        miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
 124
 125        /* reset the phy */
 126        miiphy_reset(name, devadr);
 127
 128        printf("88E1116 Initialized on %s\n", name);
 129}
 130
 131void reset_phy(void)
 132{
 133        /* configure and initialize both PHY's */
 134        mv_phy_88e1116_init("egiga0");
 135        mv_phy_88e1116_init("egiga1");
 136}
 137#endif /* CONFIG_RESET_PHY_R */
 138