board/Marvell/openrd/openrd.c

   1 /*
   2  * (C) Copyright 2009
   3  * Net Insight <www.netinsight.net>
   4  * Written-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
   5  *
   6  * Based on sheevaplug.c:
   7  * (C) Copyright 2009
   8  * Marvell Semiconductor <www.marvell.com>
   9  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  10  *
  11  * SPDX-License-Identifier:     GPL-2.0+
  12  */
  13
  14 #include <common.h>
  15 #include <miiphy.h>
  16 #include <asm/mach-types.h>
  17 #include <asm/arch/cpu.h>
  18 #include <asm/arch/soc.h>
  19 #include <asm/arch/mpp.h>
  20 #include "openrd.h"
  21
  22 DECLARE_GLOBAL_DATA_PTR;
  23
  24 int board_early_init_f(void)
  25 {
  26         /*
  27          * default gpio configuration
  28          * There are maximum 64 gpios controlled through 2 sets of registers
  29          * the  below configuration configures mainly initial LED status
  30          */
  31         mvebu_config_gpio(OPENRD_OE_VAL_LOW,
  32                           OPENRD_OE_VAL_HIGH,
  33                           OPENRD_OE_LOW, OPENRD_OE_HIGH);
  34
  35         /* Multi-Purpose Pins Functionality configuration */
  36         static const u32 kwmpp_config[] = {
  37                 MPP0_NF_IO2,
  38                 MPP1_NF_IO3,
  39                 MPP2_NF_IO4,
  40                 MPP3_NF_IO5,
  41                 MPP4_NF_IO6,
  42                 MPP5_NF_IO7,
  43                 MPP6_SYSRST_OUTn,
  44                 MPP7_GPO,
  45                 MPP8_TW_SDA,
  46                 MPP9_TW_SCK,
  47                 MPP10_UART0_TXD,
  48                 MPP11_UART0_RXD,
  49                 MPP12_SD_CLK,
  50                 MPP13_SD_CMD, /* Alt UART1_TXD */
  51                 MPP14_SD_D0,  /* Alt UART1_RXD */
  52                 MPP15_SD_D1,
  53                 MPP16_SD_D2,
  54                 MPP17_SD_D3,
  55                 MPP18_NF_IO0,
  56                 MPP19_NF_IO1,
  57                 MPP20_GE1_0,
  58                 MPP21_GE1_1,
  59                 MPP22_GE1_2,
  60                 MPP23_GE1_3,
  61                 MPP24_GE1_4,
  62                 MPP25_GE1_5,
  63                 MPP26_GE1_6,
  64                 MPP27_GE1_7,
  65                 MPP28_GPIO,
  66                 MPP29_TSMP9,
  67                 MPP30_GE1_10,
  68                 MPP31_GE1_11,
  69                 MPP32_GE1_12,
  70                 MPP33_GE1_13,
  71                 MPP34_GPIO,   /* UART1 / SD sel */
  72                 MPP35_TDM_CH0_TX_QL,
  73                 MPP36_TDM_SPI_CS1,
  74                 MPP37_TDM_CH2_TX_QL,
  75                 MPP38_TDM_CH2_RX_QL,
  76                 MPP39_AUDIO_I2SBCLK,
  77                 MPP40_AUDIO_I2SDO,
  78                 MPP41_AUDIO_I2SLRC,
  79                 MPP42_AUDIO_I2SMCLK,
  80                 MPP43_AUDIO_I2SDI,
  81                 MPP44_AUDIO_EXTCLK,
  82                 MPP45_TDM_PCLK,
  83                 MPP46_TDM_FS,
  84                 MPP47_TDM_DRX,
  85                 MPP48_TDM_DTX,
  86                 MPP49_TDM_CH0_RX_QL,
  87                 0
  88         };
  89
  90         kirkwood_mpp_conf(kwmpp_config, NULL);
  91         return 0;
  92 }
  93
  94 int board_init(void)
  95 {
  96         /*
  97          * arch number of board
  98          */
  99 #if defined(CONFIG_BOARD_IS_OPENRD_BASE)
 100         gd->bd->bi_arch_number = MACH_TYPE_OPENRD_BASE;
 101 #elif defined(CONFIG_BOARD_IS_OPENRD_CLIENT)
 102         gd->bd->bi_arch_number = MACH_TYPE_OPENRD_CLIENT;
 103 #elif defined(CONFIG_BOARD_IS_OPENRD_ULTIMATE)
 104         gd->bd->bi_arch_number = MACH_TYPE_OPENRD_ULTIMATE;
 105 #endif
 106
 107         /* adress of boot parameters */
 108         gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
 109         return 0;
 110 }
 111
 112 #ifdef CONFIG_RESET_PHY_R
 113 /* Configure and enable MV88E1116/88E1121 PHY */
 114 void mv_phy_init(char *name)
 115 {
 116         u16 reg;
 117         u16 devadr;
 118
 119         if (miiphy_set_current_dev(name))
 120                 return;
 121
 122         /* command to read PHY dev address */
 123         if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
 124                 printf("Err..%s could not read PHY dev address\n", __func__);
 125                 return;
 126         }
 127
 128         /*
 129          * Enable RGMII delay on Tx and Rx for CPU port
 130          * Ref: sec 4.7.2 of chip datasheet
 131          */
 132         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
 133         miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
 134         reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
 135         miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
 136         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
 137
 138         /* reset the phy */
 139         miiphy_reset(name, devadr);
 140
 141         printf(PHY_NO" Initialized on %s\n", name);
 142 }
 143
 144 void reset_phy(void)
 145 {
 146         mv_phy_init("egiga0");
 147
 148 #ifdef CONFIG_BOARD_IS_OPENRD_CLIENT
 149         /* Kirkwood ethernet driver is written with the assumption that in case
 150          * of multiple PHYs, their addresses are consecutive. But unfortunately
 151          * in case of OpenRD-Client, PHY addresses are not consecutive.*/
 152         miiphy_write("egiga1", 0xEE, 0xEE, 24);
 153 #endif
 154
 155 #if defined(CONFIG_BOARD_IS_OPENRD_CLIENT) || \
 156         defined(CONFIG_BOARD_IS_OPENRD_ULTIMATE)
 157         /* configure and initialize both PHY's */
 158         mv_phy_init("egiga1");
 159 #endif
 160 }
 161 #endif /* CONFIG_RESET_PHY_R */