1 /* 2 * (C) Copyright 2009 3 * Marvell Semiconductor <www.marvell.com> 4 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 5 * 6 * See file CREDITS for list of people who contributed to this 7 * project. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of 12 * the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 22 * MA 02110-1301 USA 23 */ 24 25 #include <common.h> 26 #include <miiphy.h> 27 #include <asm/arch/cpu.h> 28 #include <asm/arch/kirkwood.h> 29 #include <asm/arch/mpp.h> 30 #include "sheevaplug.h" 31 32 DECLARE_GLOBAL_DATA_PTR; 33 34 int board_early_init_f(void) 35 { 36 /* 37 * default gpio configuration 38 * There are maximum 64 gpios controlled through 2 sets of registers 39 * the below configuration configures mainly initial LED status 40 */ 41 kw_config_gpio(SHEEVAPLUG_OE_VAL_LOW, 42 SHEEVAPLUG_OE_VAL_HIGH, 43 SHEEVAPLUG_OE_LOW, SHEEVAPLUG_OE_HIGH); 44 45 /* Multi-Purpose Pins Functionality configuration */ 46 static const u32 kwmpp_config[] = { 47 MPP0_NF_IO2, 48 MPP1_NF_IO3, 49 MPP2_NF_IO4, 50 MPP3_NF_IO5, 51 MPP4_NF_IO6, 52 MPP5_NF_IO7, 53 MPP6_SYSRST_OUTn, 54 MPP7_GPO, 55 MPP8_UART0_RTS, 56 MPP9_UART0_CTS, 57 MPP10_UART0_TXD, 58 MPP11_UART0_RXD, 59 MPP12_SD_CLK, 60 MPP13_SD_CMD, 61 MPP14_SD_D0, 62 MPP15_SD_D1, 63 MPP16_SD_D2, 64 MPP17_SD_D3, 65 MPP18_NF_IO0, 66 MPP19_NF_IO1, 67 MPP20_GPIO, 68 MPP21_GPIO, 69 MPP22_GPIO, 70 MPP23_GPIO, 71 MPP24_GPIO, 72 MPP25_GPIO, 73 MPP26_GPIO, 74 MPP27_GPIO, 75 MPP28_GPIO, 76 MPP29_TSMP9, 77 MPP30_GPIO, 78 MPP31_GPIO, 79 MPP32_GPIO, 80 MPP33_GPIO, 81 MPP34_GPIO, 82 MPP35_GPIO, 83 MPP36_GPIO, 84 MPP37_GPIO, 85 MPP38_GPIO, 86 MPP39_GPIO, 87 MPP40_GPIO, 88 MPP41_GPIO, 89 MPP42_GPIO, 90 MPP43_GPIO, 91 MPP44_GPIO, 92 MPP45_GPIO, 93 MPP46_GPIO, 94 MPP47_GPIO, 95 MPP48_GPIO, 96 MPP49_GPIO, 97 0 98 }; 99 kirkwood_mpp_conf(kwmpp_config, NULL); 100 return 0; 101 } 102 103 int board_init(void) 104 { 105 /* 106 * arch number of board 107 */ 108 gd->bd->bi_arch_number = MACH_TYPE_SHEEVAPLUG; 109 110 /* adress of boot parameters */ 111 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; 112 113 return 0; 114 } 115 116 #ifdef CONFIG_RESET_PHY_R 117 /* Configure and enable MV88E1116 PHY */ 118 void reset_phy(void) 119 { 120 u16 reg; 121 u16 devadr; 122 char *name = "egiga0"; 123 124 if (miiphy_set_current_dev(name)) 125 return; 126 127 /* command to read PHY dev address */ 128 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { 129 printf("Err..%s could not read PHY dev address\n", 130 __FUNCTION__); 131 return; 132 } 133 134 /* 135 * Enable RGMII delay on Tx and Rx for CPU port 136 * Ref: sec 4.7.2 of chip datasheet 137 */ 138 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); 139 miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®); 140 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); 141 miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg); 142 miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); 143 144 /* reset the phy */ 145 miiphy_reset(name, devadr); 146 147 printf("88E1116 Initialized on %s\n", name); 148 } 149 #endif /* CONFIG_RESET_PHY_R */ 150