1 /* 2 * (C) Copyright 2004-2008 3 * Texas Instruments, <www.ti.com> 4 * 5 * Author : 6 * Sunil Kumar <sunilsaini05@gmail.com> 7 * Shashi Ranjan <shashiranjanmca05@gmail.com> 8 * 9 * (C) Copyright 2009 10 * Frederik Kriewitz <frederik@kriewitz.eu> 11 * 12 * Derived from Beagle Board and 3430 SDP code by 13 * Richard Woodruff <r-woodruff2@ti.com> 14 * Syed Mohammed Khasim <khasim@ti.com> 15 * 16 * 17 * See file CREDITS for list of people who contributed to this 18 * project. 19 * 20 * This program is free software; you can redistribute it and/or 21 * modify it under the terms of the GNU General Public License as 22 * published by the Free Software Foundation; either version 2 of 23 * the License, or (at your option) any later version. 24 * 25 * This program is distributed in the hope that it will be useful, 26 * but WITHOUT ANY WARRANTY; without even the implied warranty of 27 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 28 * GNU General Public License for more details. 29 * 30 * You should have received a copy of the GNU General Public License 31 * along with this program; if not, write to the Free Software 32 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 33 * MA 02111-1307 USA 34 */ 35 #include <common.h> 36 #include <twl4030.h> 37 #include <asm/io.h> 38 #include <asm/arch/mmc_host_def.h> 39 #include <asm/arch/mux.h> 40 #include <asm/arch/sys_proto.h> 41 #include <asm/arch/mem.h> 42 #include <asm/mach-types.h> 43 #include "devkit8000.h" 44 #ifdef CONFIG_DRIVER_DM9000 45 #include <net.h> 46 #include <netdev.h> 47 #endif 48 49 DECLARE_GLOBAL_DATA_PTR; 50 51 static u32 gpmc_net_config[GPMC_MAX_REG] = { 52 NET_GPMC_CONFIG1, 53 NET_GPMC_CONFIG2, 54 NET_GPMC_CONFIG3, 55 NET_GPMC_CONFIG4, 56 NET_GPMC_CONFIG5, 57 NET_GPMC_CONFIG6, 58 0 59 }; 60 61 /* 62 * Routine: board_init 63 * Description: Early hardware init. 64 */ 65 int board_init(void) 66 { 67 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ 68 /* board id for Linux */ 69 gd->bd->bi_arch_number = MACH_TYPE_DEVKIT8000; 70 /* boot param addr */ 71 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); 72 73 return 0; 74 } 75 76 /* Configure GPMC registers for DM9000 */ 77 static void gpmc_dm9000_config(void) 78 { 79 enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6], 80 CONFIG_DM9000_BASE, GPMC_SIZE_16M); 81 } 82 83 /* 84 * Routine: misc_init_r 85 * Description: Configure board specific parts 86 */ 87 int misc_init_r(void) 88 { 89 struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE; 90 #ifdef CONFIG_DRIVER_DM9000 91 uchar enetaddr[6]; 92 u32 die_id_0; 93 #endif 94 95 twl4030_power_init(); 96 #ifdef CONFIG_TWL4030_LED 97 twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON); 98 #endif 99 100 #ifdef CONFIG_DRIVER_DM9000 101 /* Configure GPMC registers for DM9000 */ 102 enable_gpmc_cs_config(gpmc_net_config, &gpmc_cfg->cs[6], 103 CONFIG_DM9000_BASE, GPMC_SIZE_16M); 104 105 /* Use OMAP DIE_ID as MAC address */ 106 if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { 107 printf("ethaddr not set, using Die ID\n"); 108 die_id_0 = readl(&id_base->die_id_0); 109 enetaddr[0] = 0x02; /* locally administered */ 110 enetaddr[1] = readl(&id_base->die_id_1) & 0xff; 111 enetaddr[2] = (die_id_0 & 0xff000000) >> 24; 112 enetaddr[3] = (die_id_0 & 0x00ff0000) >> 16; 113 enetaddr[4] = (die_id_0 & 0x0000ff00) >> 8; 114 enetaddr[5] = (die_id_0 & 0x000000ff); 115 eth_setenv_enetaddr("ethaddr", enetaddr); 116 } 117 #endif 118 119 dieid_num_r(); 120 121 return 0; 122 } 123 124 /* 125 * Routine: set_muxconf_regs 126 * Description: Setting up the configuration Mux registers specific to the 127 * hardware. Many pins need to be moved from protect to primary 128 * mode. 129 */ 130 void set_muxconf_regs(void) 131 { 132 MUX_DEVKIT8000(); 133 } 134 135 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) 136 int board_mmc_init(bd_t *bis) 137 { 138 omap_mmc_init(0); 139 return 0; 140 } 141 #endif 142 143 #if defined(CONFIG_DRIVER_DM9000) & !defined(CONFIG_SPL_BUILD) 144 /* 145 * Routine: board_eth_init 146 * Description: Setting up the Ethernet hardware. 147 */ 148 int board_eth_init(bd_t *bis) 149 { 150 return dm9000_initialize(bis); 151 } 152 #endif 153 154 #ifdef CONFIG_SPL_OS_BOOT 155 /* 156 * Do board specific preperation before SPL 157 * Linux boot 158 */ 159 void spl_board_prepare_for_linux(void) 160 { 161 gpmc_dm9000_config(); 162 } 163 164 #endif 165 166 /* 167 * Routine: get_board_mem_timings 168 * Description: If we use SPL then there is no x-loader nor config header 169 * so we have to setup the DDR timings ourself on the first bank. This 170 * provides the timing values back to the function that configures 171 * the memory. We have either one or two banks of 128MB DDR. 172 */ 173 void get_board_mem_timings(u32 *mcfg, u32 *ctrla, u32 *ctrlb, u32 *rfr_ctrl, 174 u32 *mr) 175 { 176 /* General SDRC config */ 177 *mcfg = MICRON_V_MCFG_165(128 << 20); 178 *rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz; 179 180 /* AC timings */ 181 *ctrla = MICRON_V_ACTIMA_165; 182 *ctrlb = MICRON_V_ACTIMB_165; 183 184 *mr = MICRON_V_MR_165; 185 } 186