1 /* 2 * (C) Copyright 2006-2008 3 * Texas Instruments. 4 * Richard Woodruff <r-woodruff2@ti.com> 5 * Syed Mohammed Khasim <x0khasim@ti.com> 6 * Nishanth Menon <nm@ti.com> 7 * 8 * Configuration settings for the TI OMAP3430 Zoom MDK board. 9 * 10 * See file CREDITS for list of people who contributed to this 11 * project. 12 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License as 15 * published by the Free Software Foundation; either version 2 of 16 * the License, or (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 26 * MA 02111-1307 USA 27 */ 28 29 #ifndef __CONFIG_H 30 #define __CONFIG_H 31 #include <asm/sizes.h> 32 33 /* 34 * High Level Configuration Options 35 */ 36 #define CONFIG_ARMCORTEXA8 1 /* This is an ARM V7 CPU core */ 37 #define CONFIG_OMAP 1 /* in a TI OMAP core */ 38 #define CONFIG_OMAP34XX 1 /* which is a 34XX */ 39 #define CONFIG_OMAP3430 1 /* which is in a 3430 */ 40 #define CONFIG_OMAP3_ZOOM1 1 /* working with Zoom MDK Rev1 */ 41 42 #include <asm/arch/cpu.h> /* get chip and board defs */ 43 #include <asm/arch/omap3.h> 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 /* UART3 */ 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 #define CONFIG_CMD_NAND_LOCK_UNLOCK /* Enable lock/unlock support */ 107 108 #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ 109 #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ 110 #undef CONFIG_CMD_IMI /* iminfo */ 111 #undef CONFIG_CMD_IMLS /* List all found images */ 112 #undef CONFIG_CMD_NET /* bootp, tftpboot, rarpboot */ 113 #undef CONFIG_CMD_NFS /* NFS support */ 114 115 #define CONFIG_SYS_NO_FLASH 116 #define CONFIG_SYS_I2C_SPEED 100000 117 #define CONFIG_SYS_I2C_SLAVE 1 118 #define CONFIG_SYS_I2C_BUS 0 119 #define CONFIG_SYS_I2C_BUS_SELECT 1 120 #define CONFIG_DRIVER_OMAP34XX_I2C 1 121 122 /* 123 * Board NAND Info. 124 */ 125 #define CONFIG_NAND_OMAP_GPMC 126 #define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */ 127 /* to access nand */ 128 #define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */ 129 /* to access nand at */ 130 /* CS0 */ 131 #define GPMC_NAND_ECC_LP_x16_LAYOUT 1 132 133 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ 134 /* devices */ 135 #define SECTORSIZE 512 136 137 #define NAND_ALLOW_ERASE_ALL 138 #define ADDR_COLUMN 1 139 #define ADDR_PAGE 2 140 #define ADDR_COLUMN_PAGE 3 141 142 #define NAND_ChipID_UNKNOWN 0x00 143 #define NAND_MAX_FLOORS 1 144 #define NAND_MAX_CHIPS 1 145 #define NAND_NO_RB 1 146 #define CONFIG_SYS_NAND_WP 147 148 #define CONFIG_JFFS2_NAND 149 /* nand device jffs2 lives on */ 150 #define CONFIG_JFFS2_DEV "nand0" 151 /* start of jffs2 partition */ 152 #define CONFIG_JFFS2_PART_OFFSET 0x680000 153 #define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */ 154 /* partition */ 155 156 /* Environment information */ 157 #define CONFIG_BOOTDELAY 10 158 159 #define CONFIG_EXTRA_ENV_SETTINGS \ 160 "loadaddr=0x82000000\0" \ 161 "console=ttyS2,115200n8\0" \ 162 "videomode=1024x768@60,vxres=1024,vyres=768\0" \ 163 "videospec=omapfb:vram:2M,vram:4M\0" \ 164 "mmcargs=setenv bootargs console=${console} " \ 165 "video=${videospec},mode:${videomode} " \ 166 "root=/dev/mmcblk0p2 rw " \ 167 "rootfstype=ext3 rootwait\0" \ 168 "nandargs=setenv bootargs console=${console} " \ 169 "video=${videospec},mode:${videomode} " \ 170 "root=/dev/mtdblock4 rw " \ 171 "rootfstype=jffs2\0" \ 172 "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ 173 "bootscript=echo Running bootscript from mmc ...; " \ 174 "autoscr ${loadaddr}\0" \ 175 "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \ 176 "mmcboot=echo Booting from mmc ...; " \ 177 "run mmcargs; " \ 178 "bootm ${loadaddr}\0" \ 179 "nandboot=echo Booting from nand ...; " \ 180 "run nandargs; " \ 181 "nand read ${loadaddr} 280000 400000; " \ 182 "bootm ${loadaddr}\0" \ 183 184 #define CONFIG_BOOTCOMMAND \ 185 "if mmcinit; then " \ 186 "if run loadbootscript; then " \ 187 "run bootscript; " \ 188 "else " \ 189 "if run loaduimage; then " \ 190 "run mmcboot; " \ 191 "else run nandboot; " \ 192 "fi; " \ 193 "fi; " \ 194 "else run nandboot; fi" 195 196 #define CONFIG_AUTO_COMPLETE 1 197 /* 198 * Miscellaneous configurable options 199 */ 200 #define V_PROMPT "OMAP3 Zoom1# " 201 202 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 203 #define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ 204 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 205 #define CONFIG_SYS_PROMPT V_PROMPT 206 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 207 /* Print Buffer Size */ 208 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ 209 sizeof(CONFIG_SYS_PROMPT) + 16) 210 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 211 /* Boot Argument Buffer Size */ 212 #define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE) 213 214 #define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0) /* memtest */ 215 /* works on */ 216 #define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \ 217 0x01F00000) /* 31MB */ 218 219 #undef CONFIG_SYS_CLKS_IN_HZ /* everything, incl board info, in Hz */ 220 221 #define CONFIG_SYS_LOAD_ADDR (OMAP34XX_SDRC_CS0) /* default */ 222 /* load address */ 223 224 /* 225 * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by 226 * 32KHz clk, or from external sig. This rate is divided by a local divisor. 227 */ 228 #define V_PVT 7 229 230 #define CONFIG_SYS_TIMERBASE (OMAP34XX_GPT2) 231 #define CONFIG_SYS_PVT V_PVT /* 2^(pvt+1) */ 232 #define CONFIG_SYS_HZ ((V_SCLK) / (2 << CONFIG_SYS_PVT)) 233 234 /*----------------------------------------------------------------------- 235 * Stack sizes 236 * 237 * The stack sizes are set up in start.S using the settings below 238 */ 239 #define CONFIG_STACKSIZE SZ_128K /* regular stack */ 240 #ifdef CONFIG_USE_IRQ 241 #define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */ 242 #define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */ 243 #endif 244 245 /*----------------------------------------------------------------------- 246 * Physical Memory Map 247 */ 248 #define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */ 249 #define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0 250 #define PHYS_SDRAM_1_SIZE SZ_32M /* at least 32 meg */ 251 #define PHYS_SDRAM_2 OMAP34XX_SDRC_CS1 252 253 /* SDRAM Bank Allocation method */ 254 #define SDRC_R_B_C 1 255 256 /*----------------------------------------------------------------------- 257 * FLASH and environment organization 258 */ 259 260 /* **** PISMO SUPPORT *** */ 261 262 /* Configure the PISMO */ 263 #define PISMO1_NAND_SIZE GPMC_SIZE_128M 264 #define PISMO1_ONEN_SIZE GPMC_SIZE_128M 265 266 #define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ 267 /* one chip */ 268 #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ 269 #define CONFIG_SYS_MONITOR_LEN SZ_256K /* Reserve 2 sectors */ 270 271 #define CONFIG_SYS_FLASH_BASE boot_flash_base 272 273 /* Monitor at start of flash */ 274 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE 275 #define CONFIG_SYS_ONENAND_BASE ONENAND_MAP 276 277 #define CONFIG_ENV_IS_IN_NAND 1 278 #define ONENAND_ENV_OFFSET 0x260000 /* environment starts here */ 279 #define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ 280 281 #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec 282 #define CONFIG_ENV_OFFSET boot_flash_off 283 #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET 284 285 /*----------------------------------------------------------------------- 286 * CFI FLASH driver setup 287 */ 288 /* timeout values are in ticks */ 289 #define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) 290 #define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) 291 292 /* Flash banks JFFS2 should use */ 293 #define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ 294 CONFIG_SYS_MAX_NAND_DEVICE) 295 #define CONFIG_SYS_JFFS2_MEM_NAND 296 /* use flash_info[2] */ 297 #define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS 298 #define CONFIG_SYS_JFFS2_NUM_BANKS 1 299 300 #ifndef __ASSEMBLY__ 301 extern gpmc_csx_t *nand_cs_base; 302 extern gpmc_t *gpmc_cfg_base; 303 extern unsigned int boot_flash_base; 304 extern volatile unsigned int boot_flash_env_addr; 305 extern unsigned int boot_flash_off; 306 extern unsigned int boot_flash_sec; 307 extern unsigned int boot_flash_type; 308 #endif 309 310 311 #define WRITE_NAND_COMMAND(d, adr)\ 312 writel(d, &nand_cs_base->nand_cmd) 313 #define WRITE_NAND_ADDRESS(d, adr)\ 314 writel(d, &nand_cs_base->nand_adr) 315 #define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat) 316 #define READ_NAND(adr) readl(&nand_cs_base->nand_dat) 317 318 /* Other NAND Access APIs */ 319 #define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \ 320 while (0) 321 #define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \ 322 while (0) 323 #define NAND_DISABLE_CE(nand) 324 #define NAND_ENABLE_CE(nand) 325 #define NAND_WAIT_READY(nand) udelay(10) 326 327 #endif /* __CONFIG_H */ 328