1 /* 2 * (C) Copyright 2008 3 * Grazvydas Ignotas <notasas@gmail.com> 4 * 5 * Configuration settings for the OMAP3 Pandora. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23 #ifndef __CONFIG_H 24 #define __CONFIG_H 25 #include <asm/sizes.h> 26 27 /* 28 * High Level Configuration Options 29 */ 30 #define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */ 31 #define CONFIG_OMAP 1 /* in a TI OMAP core */ 32 #define CONFIG_OMAP34XX 1 /* which is a 34XX */ 33 #define CONFIG_OMAP3430 1 /* which is in a 3430 */ 34 #define CONFIG_OMAP3_PANDORA 1 /* working with pandora */ 35 36 #include <asm/arch/cpu.h> /* get chip and board defs */ 37 #include <asm/arch/omap3.h> 38 39 /* 40 * Display CPU and Board information 41 */ 42 #define CONFIG_DISPLAY_CPUINFO 1 43 #define CONFIG_DISPLAY_BOARDINFO 1 44 45 /* Clock Defines */ 46 #define V_OSCK 26000000 /* Clock output from T2 */ 47 #define V_SCLK (V_OSCK >> 1) 48 49 #undef CONFIG_USE_IRQ /* no support for IRQs */ 50 #define CONFIG_MISC_INIT_R 51 52 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 53 #define CONFIG_SETUP_MEMORY_TAGS 1 54 #define CONFIG_INITRD_TAG 1 55 #define CONFIG_REVISION_TAG 1 56 57 /* 58 * Size of malloc() pool 59 */ 60 #define CONFIG_ENV_SIZE SZ_128K /* Total Size Environment */ 61 /* Sector */ 62 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_128K) 63 #define CONFIG_SYS_GBL_DATA_SIZE 128 /* bytes reserved for */ 64 /* initial data */ 65 66 /* 67 * Hardware drivers 68 */ 69 70 /* 71 * NS16550 Configuration 72 */ 73 #define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */ 74 75 #define CONFIG_SYS_NS16550 76 #define CONFIG_SYS_NS16550_SERIAL 77 #define CONFIG_SYS_NS16550_REG_SIZE (-4) 78 #define CONFIG_SYS_NS16550_CLK V_NS16550_CLK 79 80 /* 81 * select serial console configuration 82 */ 83 #define CONFIG_CONS_INDEX 3 84 #define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3 85 #define CONFIG_SERIAL3 3 86 87 /* allow to overwrite serial and ethaddr */ 88 #define CONFIG_ENV_OVERWRITE 89 #define CONFIG_BAUDRATE 115200 90 #define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \ 91 115200} 92 #define CONFIG_MMC 1 93 #define CONFIG_OMAP3_MMC 1 94 #define CONFIG_DOS_PARTITION 1 95 96 /* commands to include */ 97 #include <config_cmd_default.h> 98 99 #define CONFIG_CMD_EXT2 /* EXT2 Support */ 100 #define CONFIG_CMD_FAT /* FAT support */ 101 #define CONFIG_CMD_JFFS2 /* JFFS2 Support */ 102 103 #define CONFIG_CMD_I2C /* I2C serial bus support */ 104 #define CONFIG_CMD_MMC /* MMC support */ 105 #define CONFIG_CMD_NAND /* NAND support */ 106 107 #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ 108 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ 109 #undef CONFIG_CMD_IMI /* iminfo */ 110 #undef CONFIG_CMD_IMLS /* List all found images */ 111 #undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */ 112 #undef CONFIG_CMD_NFS /* NFS support */ 113 114 #define CONFIG_SYS_NO_FLASH 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 * Board NAND Info. 123 */ 124 #define CONFIG_NAND_OMAP_GPMC 125 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 126 /* to access nand */ 127 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 128 /* to access nand */ 129 /* at CS0 */ 130 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 131 132 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 133 /* devices */ 134 135 #define CONFIG_SYS_64BIT_VSPRINTF /* needed for nand_util.c */ 136 137 #define CONFIG_JFFS2_NAND 138 /* nand device jffs2 lives on */ 139 #define CONFIG_JFFS2_DEV "nand0" 140 /* start of jffs2 partition */ 141 #define CONFIG_JFFS2_PART_OFFSET 0x680000 142 #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */ 143 /* partition */ 144 145 /* Environment information */ 146 #define CONFIG_BOOTDELAY 1 147 148 #define CONFIG_EXTRA_ENV_SETTINGS \ 149 "loadaddr=0x82000000\0" \ 150 "console=ttyS0,115200n8\0" \ 151 "videospec=omapfb:vram:2M,vram:4M\0" \ 152 "mmcargs=setenv bootargs console=${console} " \ 153 "video=${videospec} " \ 154 "root=/dev/mmcblk0p2 rw " \ 155 "rootfstype=ext3 rootwait\0" \ 156 "nandargs=setenv bootargs console=${console} " \ 157 "video=${videospec} " \ 158 "root=/dev/mtdblock4 rw " \ 159 "rootfstype=jffs2\0" \ 160 "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ 161 "bootscript=echo Running bootscript from mmc ...; " \ 162 "source ${loadaddr}\0" \ 163 "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \ 164 "mmcboot=echo Booting from mmc ...; " \ 165 "run mmcargs; " \ 166 "bootm ${loadaddr}\0" \ 167 "nandboot=echo Booting from nand ...; " \ 168 "run nandargs; " \ 169 "nand read ${loadaddr} 280000 400000; " \ 170 "bootm ${loadaddr}\0" \ 171 172 #define CONFIG_BOOTCOMMAND \ 173 "if mmc init; then " \ 174 "if run loadbootscript; then " \ 175 "run bootscript; " \ 176 "else " \ 177 "if run loaduimage; then " \ 178 "run mmcboot; " \ 179 "else run nandboot; " \ 180 "fi; " \ 181 "fi; " \ 182 "else run nandboot; fi" 183 184 #define CONFIG_AUTO_COMPLETE 1 185 /* 186 * Miscellaneous configurable options 187 */ 188 #define V_PROMPT "Pandora # " 189 190 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 191 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 192 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 193 #define CONFIG_SYS_PROMPT V_PROMPT 194 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 195 /* Print Buffer Size */ 196 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 197 sizeof(CONFIG_SYS_PROMPT) + 16) 198 #define CONFIG_SYS_MAXARGS 16 /* max number of command */ 199 /* args */ 200 /* Boot Argument Buffer Size */ 201 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE 202 /* memtest works on */ 203 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) 204 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 205 0x01F00000) /* 31MB */ 206 207 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default load */ 208 /* address */ 209 210 /* 211 * OMAP3 has 12 GP timers, they can be driven by the system clock 212 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK). 213 * This rate is divided by a local divisor. 214 */ 215 #define CONFIG_SYS_TIMERBASE OMAP34XX_GPT2 216 #define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */ 217 #define CONFIG_SYS_HZ 1000 218 219 /*----------------------------------------------------------------------- 220 * Stack sizes 221 * 222 * The stack sizes are set up in start.S using the settings below 223 */ 224 #define CONFIG_STACKSIZE SZ_128K /* regular stack */ 225 #ifdef CONFIG_USE_IRQ 226 #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */ 227 #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */ 228 #endif 229 230 /*----------------------------------------------------------------------- 231 * Physical Memory Map 232 */ 233 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 234 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 235 #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */ 236 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 237 238 /* SDRAM Bank Allocation method */ 239 #define SDRC_R_B_C 1 240 241 /*----------------------------------------------------------------------- 242 * FLASH and environment organization 243 */ 244 245 /* **** PISMO SUPPORT *** */ 246 247 /* Configure the PISMO */ 248 #define PISMO1_NAND_SIZE GPMC_SIZE_128M 249 #define PISMO1_ONEN_SIZE GPMC_SIZE_128M 250 251 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ 252 /* one chip */ 253 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 254 #define CONFIG_SYS_MONITOR_LEN SZ_256K /* Reserve 2 sectors */ 255 256 #define CONFIG_SYS_FLASH_BASE boot_flash_base 257 258 /* Monitor at start of flash */ 259 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 260 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 261 262 #define CONFIG_ENV_IS_IN_NAND 1 263 #define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ 264 #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ 265 266 #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec 267 #define CONFIG_ENV_OFFSET boot_flash_off 268 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 269 270 /*----------------------------------------------------------------------- 271 * CFI FLASH driver setup 272 */ 273 /* timeout values are in ticks */ 274 #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) 275 #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) 276 277 /* Flash banks JFFS2 should use */ 278 #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ 279 CONFIG_SYS_MAX_NAND_DEVICE) 280 #define CONFIG_SYS_JFFS2_MEM_NAND 281 /* use flash_info[2] */ 282 #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS 283 #define CONFIG_SYS_JFFS2_NUM_BANKS 1 284 285 #ifndef __ASSEMBLY__ 286 extern gpmc_csx_t *nand_cs_base; 287 extern gpmc_t *gpmc_cfg_base; 288 extern unsigned int boot_flash_base; 289 extern volatile unsigned int boot_flash_env_addr; 290 extern unsigned int boot_flash_off; 291 extern unsigned int boot_flash_sec; 292 extern unsigned int boot_flash_type; 293 #endif 294 295 #endif /* __CONFIG_H */ 296