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 #define CONFIG_ARCH_CPU_INIT 40 41 /* Get CPU defs */ 42 #include <asm/arch/cpu.h> 43 #include <asm/arch/omap4.h> 44 45 /* Display CPU and Board Info */ 46 #define CONFIG_DISPLAY_CPUINFO 1 47 #define CONFIG_DISPLAY_BOARDINFO 1 48 49 /* Keep L2 Cache Disabled */ 50 #define CONFIG_L2_OFF 1 51 52 /* Clock Defines */ 53 #define V_OSCK 38400000 /* Clock output from T2 */ 54 #define V_SCLK V_OSCK 55 56 #undef CONFIG_USE_IRQ /* no support for IRQs */ 57 #define CONFIG_MISC_INIT_R 58 59 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 60 #define CONFIG_SETUP_MEMORY_TAGS 1 61 #define CONFIG_INITRD_TAG 1 62 #define CONFIG_REVISION_TAG 1 63 64 /* 65 * Size of malloc() pool 66 * Total Size Environment - 256k 67 * Malloc - add 256k 68 */ 69 #define CONFIG_ENV_SIZE (256 << 10) 70 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (256 << 10)) 71 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ 72 /* initial data */ 73 /* Vector Base */ 74 #define CONFIG_SYS_CA9_VECTOR_BASE SRAM_ROM_VECT_BASE 75 76 /* 77 * Hardware drivers 78 */ 79 80 /* 81 * serial port - NS16550 compatible 82 */ 83 #define V_NS16550_CLK 48000000 84 85 #define CONFIG_SYS_NS16550 86 #define CONFIG_SYS_NS16550_SERIAL 87 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 88 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 89 #define CONFIG_CONS_INDEX 3 90 #define CONFIG_SYS_NS16550_COM3 UART3_BASE 91 92 #define CONFIG_ENV_IS_NOWHERE 93 #define CONFIG_ENV_OVERWRITE 94 #define CONFIG_BAUDRATE 115200 95 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\ 96 115200} 97 98 /* I2C */ 99 #define CONFIG_HARD_I2C 1 100 #define CONFIG_SYS_I2C_SPEED 100000 101 #define CONFIG_SYS_I2C_SLAVE 1 102 #define CONFIG_SYS_I2C_BUS 0 103 #define CONFIG_SYS_I2C_BUS_SELECT 1 104 #define CONFIG_DRIVER_OMAP34XX_I2C 1 105 #define CONFIG_I2C_MULTI_BUS 1 106 107 /* MMC */ 108 #define CONFIG_MMC 1 109 #define CONFIG_OMAP3_MMC 1 110 #define CONFIG_SYS_MMC_SET_DEV 1 111 #define CONFIG_DOS_PARTITION 1 112 113 /* Flash */ 114 #define CONFIG_SYS_NO_FLASH 1 115 116 /* commands to include */ 117 #include <config_cmd_default.h> 118 119 /* Enabled commands */ 120 #define CONFIG_CMD_EXT2 /* EXT2 Support */ 121 #define CONFIG_CMD_FAT /* FAT support */ 122 #define CONFIG_CMD_I2C /* I2C serial bus support */ 123 #define CONFIG_CMD_MMC /* MMC support */ 124 125 /* Disabled commands */ 126 #undef CONFIG_CMD_NET 127 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ 128 #undef CONFIG_CMD_IMLS /* List all found images */ 129 130 /* 131 * Enabling relocation of u-boot by default 132 * Relocation can be skipped if u-boot is copied to the TEXT_BASE 133 */ 134 #undef CONFIG_SKIP_RELOCATE_UBOOT 135 136 /* 137 * Environment setup 138 */ 139 140 /* allow overwriting serial config and ethaddr */ 141 #define CONFIG_ENV_OVERWRITE 142 143 #define CONFIG_EXTRA_ENV_SETTINGS \ 144 "loadaddr=0x82000000\0" \ 145 "console=ttyS2,115200n8\0" \ 146 "mmcdev=1\0" \ 147 "mmcroot=/dev/mmcblk0p2 rw\0" \ 148 "mmcrootfstype=ext3 rootwait\0" \ 149 "mmcargs=setenv bootargs console=${console} " \ 150 "root=${mmcroot} " \ 151 "rootfstype=${mmcrootfstype}\0" \ 152 "loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \ 153 "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \ 154 "source ${loadaddr}\0" \ 155 "loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \ 156 "mmcboot=echo Booting from mmc${mmcdev} ...; " \ 157 "run mmcargs; " \ 158 "bootm ${loadaddr}\0" \ 159 160 #define CONFIG_BOOTCOMMAND \ 161 "if mmc init ${mmcdev}; then " \ 162 "if run loadbootscript; then " \ 163 "run bootscript; " \ 164 "else " \ 165 "if run loaduimage; then " \ 166 "run mmcboot; " \ 167 "else run nandboot; " \ 168 "fi; " \ 169 "fi; " \ 170 "fi" 171 172 #define CONFIG_AUTO_COMPLETE 1 173 174 /* 175 * Miscellaneous configurable options 176 */ 177 178 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 179 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 180 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 181 #define CONFIG_SYS_PROMPT "OMAP4430 SDP # " 182 #define CONFIG_SYS_CBSIZE 256 183 /* Print Buffer Size */ 184 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 185 sizeof(CONFIG_SYS_PROMPT) + 16) 186 #define CONFIG_SYS_MAXARGS 16 187 /* Boot Argument Buffer Size */ 188 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 189 190 /* 191 * memtest setup 192 */ 193 #define CONFIG_SYS_MEMTEST_START 0x80000000 194 #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + (32 << 20)) 195 196 /* Default load address */ 197 #define CONFIG_SYS_LOAD_ADDR 0x80000000 198 199 /* Use General purpose timer 1 */ 200 #define CONFIG_SYS_TIMERBASE GPT1_BASE 201 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 202 #define CONFIG_SYS_HZ 1000 203 204 /* 205 * Stack sizes 206 * 207 * The stack sizes are set up in start.S using the settings below 208 */ 209 #define CONFIG_STACKSIZE (128 << 10) /* Regular stack */ 210 #ifdef CONFIG_USE_IRQ 211 #define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack */ 212 #define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack */ 213 #endif 214 215 /* 216 * SDRAM Memory Map 217 * Even though we use two CS all the memory 218 * is mapped to one contiguous block 219 */ 220 #define CONFIG_NR_DRAM_BANKS 1 221 222 #endif /* __CONFIG_H */ 223