board/Marvell/openrd_base/openrd_base.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  * See file CREDITS for list of people who contributed to this
  12  * project.
  13  *
  14  * This program is free software; you can redistribute it and/or
  15  * modify it under the terms of the GNU General Public License as
  16  * published by the Free Software Foundation; either version 2 of
  17  * the License, or (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  27  * MA 02110-1301 USA
  28  */
  29
  30 #include <common.h>
  31 #include <miiphy.h>
  32 #include <asm/arch/kirkwood.h>
  33 #include <asm/arch/mpp.h>
  34 #include "openrd_base.h"
  35
  36 DECLARE_GLOBAL_DATA_PTR;
  37
  38 int board_early_init_f(void)
  39 {
  40         /*
  41          * default gpio configuration
  42          * There are maximum 64 gpios controlled through 2 sets of registers
  43          * the  below configuration configures mainly initial LED status
  44          */
  45         kw_config_gpio(OPENRD_OE_VAL_LOW,
  46                         OPENRD_OE_VAL_HIGH,
  47                         OPENRD_OE_LOW, OPENRD_OE_HIGH);
  48
  49         /* Multi-Purpose Pins Functionality configuration */
  50         u32 kwmpp_config[] = {
  51                 MPP0_NF_IO2,
  52                 MPP1_NF_IO3,
  53                 MPP2_NF_IO4,
  54                 MPP3_NF_IO5,
  55                 MPP4_NF_IO6,
  56                 MPP5_NF_IO7,
  57                 MPP6_SYSRST_OUTn,
  58                 MPP7_GPO,
  59                 MPP8_TW_SDA,
  60                 MPP9_TW_SCK,
  61                 MPP10_UART0_TXD,
  62                 MPP11_UART0_RXD,
  63                 MPP12_SD_CLK,
  64                 MPP13_SD_CMD, /* Alt UART1_TXD */
  65                 MPP14_SD_D0,  /* Alt UART1_RXD */
  66                 MPP15_SD_D1,
  67                 MPP16_SD_D2,
  68                 MPP17_SD_D3,
  69                 MPP18_NF_IO0,
  70                 MPP19_NF_IO1,
  71                 MPP20_GE1_0,
  72                 MPP21_GE1_1,
  73                 MPP22_GE1_2,
  74                 MPP23_GE1_3,
  75                 MPP24_GE1_4,
  76                 MPP25_GE1_5,
  77                 MPP26_GE1_6,
  78                 MPP27_GE1_7,
  79                 MPP28_GPIO,
  80                 MPP29_TSMP9,
  81                 MPP30_GE1_10,
  82                 MPP31_GE1_11,
  83                 MPP32_GE1_12,
  84                 MPP33_GE1_13,
  85                 MPP34_GPIO,   /* UART1 / SD sel */
  86                 MPP35_TDM_CH0_TX_QL,
  87                 MPP36_TDM_SPI_CS1,
  88                 MPP37_TDM_CH2_TX_QL,
  89                 MPP38_TDM_CH2_RX_QL,
  90                 MPP39_AUDIO_I2SBCLK,
  91                 MPP40_AUDIO_I2SDO,
  92                 MPP41_AUDIO_I2SLRC,
  93                 MPP42_AUDIO_I2SMCLK,
  94                 MPP43_AUDIO_I2SDI,
  95                 MPP44_AUDIO_EXTCLK,
  96                 MPP45_TDM_PCLK,
  97                 MPP46_TDM_FS,
  98                 MPP47_TDM_DRX,
  99                 MPP48_TDM_DTX,
 100                 MPP49_TDM_CH0_RX_QL,
 101                 0
 102         };
 103
 104         kirkwood_mpp_conf(kwmpp_config);
 105         return 0;
 106 }
 107
 108 int board_init(void)
 109 {
 110         /*
 111          * arch number of board
 112          */
 113         gd->bd->bi_arch_number = MACH_TYPE_OPENRD_BASE;
 114
 115         /* adress of boot parameters */
 116         gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
 117         return 0;
 118 }
 119
 120 #ifdef CONFIG_RESET_PHY_R
 121 /* Configure and enable MV88E1116 PHY */
 122 void reset_phy(void)
 123 {
 124         u16 reg;
 125         u16 devadr;
 126         char *name = "egiga0";
 127
 128         if (miiphy_set_current_dev(name))
 129                 return;
 130
 131         /* command to read PHY dev address */
 132         if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
 133                 printf("Err..%s could not read PHY dev address\n",
 134                         __FUNCTION__);
 135                 return;
 136         }
 137
 138         /*
 139          * Enable RGMII delay on Tx and Rx for CPU port
 140          * Ref: sec 4.7.2 of chip datasheet
 141          */
 142         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
 143         miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
 144         reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
 145         miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
 146         miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
 147
 148         /* reset the phy */
 149         miiphy_reset(name, devadr);
 150
 151         printf("88E1116 Initialized on %s\n", name);
 152 }
 153 #endif /* CONFIG_RESET_PHY_R */