1 /* 2 * Configuration settings for the Gumstix Overo board. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 17 * MA 02111-1307 USA 18 */ 19 20 #ifndef __CONFIG_H 21 #define __CONFIG_H 22 23 /* 24 * High Level Configuration Options 25 */ 26 #define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */ 27 #define CONFIG_OMAP 1 /* in a TI OMAP core */ 28 #define CONFIG_OMAP34XX 1 /* which is a 34XX */ 29 #define CONFIG_OMAP3430 1 /* which is in a 3430 */ 30 #define CONFIG_OMAP3_OVERO 1 /* working with overo */ 31 32 #include <asm/arch/cpu.h> /* get chip and board defs */ 33 #include <asm/arch/omap3.h> 34 35 /* 36 * Display CPU and Board information 37 */ 38 #define CONFIG_DISPLAY_CPUINFO 1 39 #define CONFIG_DISPLAY_BOARDINFO 1 40 41 /* Clock Defines */ 42 #define V_OSCK 26000000 /* Clock output from T2 */ 43 #define V_SCLK (V_OSCK >> 1) 44 45 #undef CONFIG_USE_IRQ /* no support for IRQs */ 46 #define CONFIG_MISC_INIT_R 47 48 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 49 #define CONFIG_SETUP_MEMORY_TAGS 1 50 #define CONFIG_INITRD_TAG 1 51 #define CONFIG_REVISION_TAG 1 52 53 /* 54 * Size of malloc() pool 55 */ 56 #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ 57 /* Sector */ 58 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) 59 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ 60 /* initial data */ 61 62 /* 63 * Hardware drivers 64 */ 65 66 /* 67 * NS16550 Configuration 68 */ 69 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 70 71 #define CONFIG_SYS_NS16550 72 #define CONFIG_SYS_NS16550_SERIAL 73 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 74 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 75 76 /* 77 * select serial console configuration 78 */ 79 #define CONFIG_CONS_INDEX 3 80 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 81 #define CONFIG_SERIAL3 3 82 83 /* allow to overwrite serial and ethaddr */ 84 #define CONFIG_ENV_OVERWRITE 85 #define CONFIG_BAUDRATE 115200 86 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \ 87 115200} 88 #define CONFIG_MMC 1 89 #define CONFIG_OMAP3_MMC 1 90 #define CONFIG_DOS_PARTITION 1 91 92 /* DDR - I use Micron DDR */ 93 #define CONFIG_OMAP3_MICRON_DDR 1 94 95 /* commands to include */ 96 #include <config_cmd_default.h> 97 98 #define CONFIG_CMD_EXT2 /* EXT2 Support */ 99 #define CONFIG_CMD_FAT /* FAT support */ 100 #define CONFIG_CMD_JFFS2 /* JFFS2 Support */ 101 102 #define CONFIG_CMD_I2C /* I2C serial bus support */ 103 #define CONFIG_CMD_MMC /* MMC support */ 104 #define CONFIG_CMD_NAND /* NAND support */ 105 106 #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ 107 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ 108 #undef CONFIG_CMD_IMI /* iminfo */ 109 #undef CONFIG_CMD_IMLS /* List all found images */ 110 #undef CONFIG_CMD_NFS /* NFS support */ 111 #define CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */ 112 113 #define CONFIG_SYS_NO_FLASH 114 #define CONFIG_HARD_I2C 1 115 #define CONFIG_SYS_I2C_SPEED 100000 116 #define CONFIG_SYS_I2C_SLAVE 1 117 #define CONFIG_SYS_I2C_BUS 0 118 #define CONFIG_SYS_I2C_BUS_SELECT 1 119 #define CONFIG_DRIVER_OMAP34XX_I2C 1 120 121 /* 122 * TWL4030 123 */ 124 #define CONFIG_TWL4030_POWER 1 125 #define CONFIG_TWL4030_LED 1 126 127 /* 128 * Board NAND Info. 129 */ 130 #define CONFIG_NAND_OMAP_GPMC 131 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 132 /* to access nand */ 133 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 134 /* to access nand */ 135 /* at CS0 */ 136 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 137 138 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 139 /* devices */ 140 #define CONFIG_JFFS2_NAND 141 /* nand device jffs2 lives on */ 142 #define CONFIG_JFFS2_DEV "nand0" 143 /* start of jffs2 partition */ 144 #define CONFIG_JFFS2_PART_OFFSET 0x680000 145 #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */ 146 /* partition */ 147 148 /* Environment information */ 149 #define CONFIG_BOOTDELAY 5 150 151 #define CONFIG_EXTRA_ENV_SETTINGS \ 152 "loadaddr=0x82000000\0" \ 153 "console=ttyS2,115200n8\0" \ 154 "vram=12M\0" \ 155 "dvimode=1024x768MR-16@60\0" \ 156 "defaultdisplay=dvi\0" \ 157 "mmcroot=/dev/mmcblk0p2 rw\0" \ 158 "mmcrootfstype=ext3 rootwait\0" \ 159 "nandroot=/dev/mtdblock4 rw\0" \ 160 "nandrootfstype=jffs2\0" \ 161 "mmcargs=setenv bootargs console=${console} " \ 162 "vram=${vram} " \ 163 "omapfb.mode=dvi:${dvimode} " \ 164 "omapfb.debug=y " \ 165 "omapdss.def_disp=${defaultdisplay} " \ 166 "root=${mmcroot} " \ 167 "rootfstype=${mmcrootfstype}\0" \ 168 "nandargs=setenv bootargs console=${console} " \ 169 "vram=${vram} " \ 170 "omapfb.mode=dvi:${dvimode} " \ 171 "omapfb.debug=y " \ 172 "omapdss.def_disp=${defaultdisplay} " \ 173 "root=${nandroot} " \ 174 "rootfstype=${nandrootfstype}\0" \ 175 "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ 176 "bootscript=echo Running bootscript from mmc ...; " \ 177 "source ${loadaddr}\0" \ 178 "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \ 179 "mmcboot=echo Booting from mmc ...; " \ 180 "run mmcargs; " \ 181 "bootm ${loadaddr}\0" \ 182 "nandboot=echo Booting from nand ...; " \ 183 "run nandargs; " \ 184 "nand read ${loadaddr} 280000 400000; " \ 185 "bootm ${loadaddr}\0" \ 186 187 #define CONFIG_BOOTCOMMAND \ 188 "if mmc init; then " \ 189 "if run loadbootscript; then " \ 190 "run bootscript; " \ 191 "else " \ 192 "if run loaduimage; then " \ 193 "run mmcboot; " \ 194 "else run nandboot; " \ 195 "fi; " \ 196 "fi; " \ 197 "else run nandboot; fi" 198 199 #define CONFIG_AUTO_COMPLETE 1 200 /* 201 * Miscellaneous configurable options 202 */ 203 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 204 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 205 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 206 #define CONFIG_SYS_PROMPT "Overo # " 207 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 208 /* Print Buffer Size */ 209 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 210 sizeof(CONFIG_SYS_PROMPT) + 16) 211 #define CONFIG_SYS_MAXARGS 16 /* max number of command */ 212 /* args */ 213 /* Boot Argument Buffer Size */ 214 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 215 /* memtest works on */ 216 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 217 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 218 0x01F00000) /* 31MB */ 219 220 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 221 /* address */ 222 /* 223 * OMAP3 has 12 GP timers, they can be driven by the system clock 224 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 225 * This rate is divided by a local divisor. 226 */ 227 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 228 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 229 #define CONFIG_SYS_HZ 1000 230 231 /*----------------------------------------------------------------------- 232 * Stack sizes 233 * 234 * The stack sizes are set up in start.S using the settings below 235 */ 236 #define CONFIG_STACKSIZE (128 << 10) /* regular stack 128 KiB */ 237 #ifdef CONFIG_USE_IRQ 238 #define CONFIG_STACKSIZE_IRQ (4 << 10) /* IRQ stack 4 KiB */ 239 #define CONFIG_STACKSIZE_FIQ (4 << 10) /* FIQ stack 4 KiB */ 240 #endif 241 242 /*----------------------------------------------------------------------- 243 * Physical Memory Map 244 */ 245 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 246 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 247 #define PHYS_SDRAM_1_SIZE (32 << 20) /* at least 32 MiB */ 248 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 249 250 /* SDRAM Bank Allocation method */ 251 #define SDRC_R_B_C 1 252 253 /*----------------------------------------------------------------------- 254 * FLASH and environment organization 255 */ 256 257 /* **** PISMO SUPPORT *** */ 258 259 /* Configure the PISMO */ 260 #define PISMO1_NAND_SIZE GPMC_SIZE_128M 261 #define PISMO1_ONEN_SIZE GPMC_SIZE_128M 262 263 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ 264 /* one chip */ 265 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 266 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ 267 268 #define CONFIG_SYS_FLASH_BASE boot_flash_base 269 270 /* Monitor at start of flash */ 271 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 272 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 273 274 #define CONFIG_ENV_IS_IN_NAND 1 275 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 276 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ 277 278 #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec 279 #define CONFIG_ENV_OFFSET boot_flash_off 280 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 281 282 /*----------------------------------------------------------------------- 283 * CFI FLASH driver setup 284 */ 285 /* timeout values are in ticks */ 286 #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) 287 #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) 288 289 /* Flash banks JFFS2 should use */ 290 #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ 291 CONFIG_SYS_MAX_NAND_DEVICE) 292 #define CONFIG_SYS_JFFS2_MEM_NAND 293 /* use flash_info[2] */ 294 #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS 295 #define CONFIG_SYS_JFFS2_NUM_BANKS 1 296 297 #ifndef __ASSEMBLY__ 298 extern struct gpmc *gpmc_cfg; 299 extern unsigned int boot_flash_base; 300 extern volatile unsigned int boot_flash_env_addr; 301 extern unsigned int boot_flash_off; 302 extern unsigned int boot_flash_sec; 303 extern unsigned int boot_flash_type; 304 #endif 305 306 #if defined(CONFIG_CMD_NET) 307 /*---------------------------------------------------------------------------- 308 * SMSC9211 Ethernet from SMSC9118 family 309 *---------------------------------------------------------------------------- 310 */ 311 312 #define CONFIG_NET_MULTI 313 #define CONFIG_SMC911X 1 314 #define CONFIG_SMC911X_32_BIT 315 #define CONFIG_SMC911X_BASE 0x2C000000 316 317 #endif /* (CONFIG_CMD_NET) */ 318 319 #endif /* __CONFIG_H */ 320