1 /* 2 * (C) Copyright 2010 3 * Texas Instruments Incorporated. 4 * Aneesh V <aneesh@ti.com> 5 * Steve Sakoman <steve@sakoman.com> 6 * 7 * Configuration settings for the TI SDP4430 board. 8 * 9 * See file CREDITS for list of people who contributed to this 10 * project. 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License as 14 * published by the Free Software Foundation; either version 2 of 15 * the License, or (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 25 * MA 02111-1307 USA 26 */ 27 28 #ifndef __CONFIG_H 29 #define __CONFIG_H 30 31 /* 32 * High Level Configuration Options 33 */ 34 #define CONFIG_ARMV7 1 /* This is an ARM V7 CPU core */ 35 #define CONFIG_OMAP 1 /* in a TI OMAP core */ 36 #define CONFIG_OMAP44XX 1 /* which is a 44XX */ 37 #define CONFIG_OMAP4430 1 /* which is in a 4430 */ 38 #define CONFIG_4430SDP 1 /* working with SDP */ 39 40 /* Get CPU defs */ 41 #include <asm/arch/cpu.h> 42 #include <asm/arch/omap4.h> 43 44 /* Display CPU and Board Info */ 45 #define CONFIG_DISPLAY_CPUINFO 1 46 #define CONFIG_DISPLAY_BOARDINFO 1 47 48 /* Keep L2 Cache Disabled */ 49 #define CONFIG_L2_OFF 1 50 51 /* Clock Defines */ 52 #define V_OSCK 38400000 /* Clock output from T2 */ 53 #define V_SCLK V_OSCK 54 55 #undef CONFIG_USE_IRQ /* no support for IRQs */ 56 #define CONFIG_MISC_INIT_R 57 58 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 59 #define CONFIG_SETUP_MEMORY_TAGS 1 60 #define CONFIG_INITRD_TAG 1 61 #define CONFIG_REVISION_TAG 1 62 63 /* 64 * Size of malloc() pool 65 * Total Size Environment - 256k 66 * Malloc - add 256k 67 */ 68 #define CONFIG_ENV_SIZE (256 << 10) 69 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (256 << 10)) 70 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ 71 /* initial data */ 72 /* Vector Base */ 73 #define CONFIG_SYS_CA9_VECTOR_BASE SRAM_ROM_VECT_BASE 74 75 /* 76 * Hardware drivers 77 */ 78 79 /* 80 * serial port - NS16550 compatible 81 */ 82 #define V_NS16550_CLK 48000000 83 84 #define CONFIG_SYS_NS16550 85 #define CONFIG_SYS_NS16550_SERIAL 86 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 87 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 88 #define CONFIG_CONS_INDEX 3 89 #define CONFIG_SYS_NS16550_COM3 UART3_BASE 90 91 #define CONFIG_ENV_IS_NOWHERE 92 #define CONFIG_ENV_OVERWRITE 93 #define CONFIG_BAUDRATE 115200 94 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 95 115200} 96 97 /* I2C */ 98 #define CONFIG_HARD_I2C 1 99 #define CONFIG_SYS_I2C_SPEED 100000 100 #define CONFIG_SYS_I2C_SLAVE 1 101 #define CONFIG_SYS_I2C_BUS 0 102 #define CONFIG_SYS_I2C_BUS_SELECT 1 103 #define CONFIG_DRIVER_OMAP34XX_I2C 1 104 #define CONFIG_I2C_MULTI_BUS 1 105 106 /* MMC */ 107 #define CONFIG_MMC 1 108 #define CONFIG_OMAP3_MMC 1 109 #define CONFIG_SYS_MMC_SET_DEV 1 110 #define CONFIG_DOS_PARTITION 1 111 112 /* Flash */ 113 #define CONFIG_SYS_NO_FLASH 1 114 115 /* commands to include */ 116 #include <config_cmd_default.h> 117 118 /* Enabled commands */ 119 #define CONFIG_CMD_EXT2 /* EXT2 Support */ 120 #define CONFIG_CMD_FAT /* FAT support */ 121 #define CONFIG_CMD_I2C /* I2C serial bus support */ 122 #define CONFIG_CMD_MMC /* MMC support */ 123 124 /* Disabled commands */ 125 #undef CONFIG_CMD_NET 126 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ 127 #undef CONFIG_CMD_IMLS /* List all found images */ 128 129 /* 130 * Enabling relocation of u-boot by default 131 * Relocation can be skipped if u-boot is copied to the TEXT_BASE 132 */ 133 #undef CONFIG_SKIP_RELOCATE_UBOOT 134 135 /* 136 * Environment setup 137 */ 138 139 /* allow overwriting serial config and ethaddr */ 140 #define CONFIG_ENV_OVERWRITE 141 142 #define CONFIG_EXTRA_ENV_SETTINGS \ 143 "loadaddr=0x82000000\0" \ 144 "console=ttyS2,115200n8\0" \ 145 "mmcdev=1\0" \ 146 "mmcroot=/dev/mmcblk0p2 rw\0" \ 147 "mmcrootfstype=ext3 rootwait\0" \ 148 "mmcargs=setenv bootargs console=${console} " \ 149 "root=${mmcroot} " \ 150 "rootfstype=${mmcrootfstype}\0" \ 151 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 152 "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ 153 "source ${loadaddr}\0" \ 154 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 155 "mmcboot=echo Booting from mmc${mmcdev} ...; " \ 156 "run mmcargs; " \ 157 "bootm ${loadaddr}\0" \ 158 159 #define CONFIG_BOOTCOMMAND \ 160 "if mmc init ${mmcdev}; then " \ 161 "if run loadbootscript; then " \ 162 "run bootscript; " \ 163 "else " \ 164 "if run loaduimage; then " \ 165 "run mmcboot; " \ 166 "else run nandboot; " \ 167 "fi; " \ 168 "fi; " \ 169 "fi" 170 171 #define CONFIG_AUTO_COMPLETE 1 172 173 /* 174 * Miscellaneous configurable options 175 */ 176 177 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 178 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 179 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 180 #define CONFIG_SYS_PROMPT "OMAP4430 SDP # " 181 #define CONFIG_SYS_CBSIZE 256 182 /* Print Buffer Size */ 183 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 184 sizeof(CONFIG_SYS_PROMPT) + 16) 185 #define CONFIG_SYS_MAXARGS 16 186 /* Boot Argument Buffer Size */ 187 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 188 189 /* 190 * memtest setup 191 */ 192 #define CONFIG_SYS_MEMTEST_START 0x80000000 193 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (32 << 20)) 194 195 /* Default load address */ 196 #define CONFIG_SYS_LOAD_ADDR 0x80000000 197 198 /* Use General purpose timer 1 */ 199 #define CONFIG_SYS_TIMERBASE GPT1_BASE 200 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 201 #define CONFIG_SYS_HZ 1000 202 203 /* 204 * Stack sizes 205 * 206 * The stack sizes are set up in start.S using the settings below 207 */ 208 #define CONFIG_STACKSIZE (128 << 10) /* Regular stack */ 209 #ifdef CONFIG_USE_IRQ 210 #define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack */ 211 #define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack */ 212 #endif 213 214 /* 215 * SDRAM Memory Map 216 * Even though we use two CS all the memory 217 * is mapped to one contiguous block 218 */ 219 #define CONFIG_NR_DRAM_BANKS 1 220 221 #endif /* __CONFIG_H */ 222