include/configs/omap3_overo.h

   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 #include <asm/sizes.h>
  23
  24 /*
  25  * High Level Configuration Options
  26  */
  27 #define CONFIG_ARMCORTEXA8      1       /* This is an ARM V7 CPU core */
  28 #define CONFIG_OMAP             1       /* in a TI OMAP core */
  29 #define CONFIG_OMAP34XX         1       /* which is a 34XX */
  30 #define CONFIG_OMAP3430         1       /* which is in a 3430 */
  31 #define CONFIG_OMAP3_OVERO              1       /* working with overo */
  32
  33 #include <asm/arch/cpu.h>       /* get chip and board defs */
  34 #include <asm/arch/omap3.h>
  35
  36 /* Clock Defines */
  37 #define V_OSCK                  26000000        /* Clock output from T2 */
  38 #define V_SCLK                  (V_OSCK >> 1)
  39
  40 #undef CONFIG_USE_IRQ           /* no support for IRQs */
  41 #define CONFIG_MISC_INIT_R
  42
  43 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
  44 #define CONFIG_SETUP_MEMORY_TAGS        1
  45 #define CONFIG_INITRD_TAG               1
  46 #define CONFIG_REVISION_TAG             1
  47
  48 /*
  49  * Size of malloc() pool
  50  */
  51 #define CONFIG_ENV_SIZE                 SZ_128K /* Total Size Environment */
  52                                                 /* Sector */
  53 #define CONFIG_SYS_MALLOC_LEN           (CONFIG_ENV_SIZE + SZ_128K)
  54 #define CONFIG_SYS_GBL_DATA_SIZE        128     /* bytes reserved for */
  55                                                 /* initial data */
  56
  57 /*
  58  * Hardware drivers
  59  */
  60
  61 /*
  62  * NS16550 Configuration
  63  */
  64 #define V_NS16550_CLK                   48000000        /* 48MHz (APLL96/2) */
  65
  66 #define CONFIG_SYS_NS16550
  67 #define CONFIG_SYS_NS16550_SERIAL
  68 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  69 #define CONFIG_SYS_NS16550_CLK          V_NS16550_CLK
  70
  71 /*
  72  * select serial console configuration
  73  */
  74 #define CONFIG_CONS_INDEX               3
  75 #define CONFIG_SYS_NS16550_COM3         OMAP34XX_UART3
  76 #define CONFIG_SERIAL3                  3
  77
  78 /* allow to overwrite serial and ethaddr */
  79 #define CONFIG_ENV_OVERWRITE
  80 #define CONFIG_BAUDRATE                 115200
  81 #define CONFIG_SYS_BAUDRATE_TABLE       {4800, 9600, 19200, 38400, 57600, \
  82                                         115200}
  83 #define CONFIG_MMC                      1
  84 #define CONFIG_OMAP3_MMC                1
  85 #define CONFIG_DOS_PARTITION            1
  86
  87 /* commands to include */
  88 #include <config_cmd_default.h>
  89
  90 #define CONFIG_CMD_EXT2         /* EXT2 Support                 */
  91 #define CONFIG_CMD_FAT          /* FAT support                  */
  92 #define CONFIG_CMD_JFFS2        /* JFFS2 Support                */
  93
  94 #define CONFIG_CMD_I2C          /* I2C serial bus support       */
  95 #define CONFIG_CMD_MMC          /* MMC support                  */
  96 #define CONFIG_CMD_NAND         /* NAND support                 */
  97
  98 #undef CONFIG_CMD_FLASH         /* flinfo, erase, protect       */
  99 #undef CONFIG_CMD_FPGA          /* FPGA configuration Support   */
 100 #undef CONFIG_CMD_IMI           /* iminfo                       */
 101 #undef CONFIG_CMD_IMLS          /* List all found images        */
 102 #undef CONFIG_CMD_NET           /* bootp, tftpboot, rarpboot    */
 103 #undef CONFIG_CMD_NFS           /* NFS support                  */
 104
 105 #define CONFIG_SYS_NO_FLASH
 106 #define CONFIG_SYS_I2C_SPEED            100000
 107 #define CONFIG_SYS_I2C_SLAVE            1
 108 #define CONFIG_SYS_I2C_BUS              0
 109 #define CONFIG_SYS_I2C_BUS_SELECT       1
 110 #define CONFIG_DRIVER_OMAP34XX_I2C      1
 111
 112 /*
 113  * Board NAND Info.
 114  */
 115 #define CONFIG_NAND_OMAP_GPMC
 116 #define CONFIG_SYS_NAND_ADDR            NAND_BASE       /* physical address */
 117                                                         /* to access nand */
 118 #define CONFIG_SYS_NAND_BASE            NAND_BASE       /* physical address */
 119                                                         /* to access nand */
 120                                                         /* at CS0 */
 121 #define GPMC_NAND_ECC_LP_x16_LAYOUT     1
 122
 123 #define CONFIG_SYS_MAX_NAND_DEVICE      1       /* Max number of NAND */
 124                                                 /* devices */
 125 #define SECTORSIZE                      512
 126
 127 #define NAND_ALLOW_ERASE_ALL
 128 #define ADDR_COLUMN                     1
 129 #define ADDR_PAGE                       2
 130 #define ADDR_COLUMN_PAGE                3
 131
 132 #define NAND_ChipID_UNKNOWN             0x00
 133 #define NAND_MAX_FLOORS                 1
 134 #define NAND_MAX_CHIPS                  1
 135 #define NAND_NO_RB                      1
 136 #define CONFIG_SYS_NAND_WP
 137
 138 #define CONFIG_JFFS2_NAND
 139 /* nand device jffs2 lives on */
 140 #define CONFIG_JFFS2_DEV                "nand0"
 141 /* start of jffs2 partition */
 142 #define CONFIG_JFFS2_PART_OFFSET        0x680000
 143 #define CONFIG_JFFS2_PART_SIZE          0xf980000       /* size of jffs2 */
 144                                                         /* partition */
 145
 146 /* Environment information */
 147 #define CONFIG_BOOTDELAY                5
 148
 149 #define CONFIG_EXTRA_ENV_SETTINGS \
 150         "loadaddr=0x82000000\0" \
 151         "console=ttyS2,115200n8\0" \
 152         "videomode=1024x768@60,vxres=1024,vyres=768\0" \
 153         "videospec=omapfb:vram:2M,vram:4M\0" \
 154         "mmcargs=setenv bootargs console=${console} " \
 155                 "video=${videospec},mode:${videomode} " \
 156                 "root=/dev/mmcblk0p2 rw " \
 157                 "rootfstype=ext3 rootwait\0" \
 158         "nandargs=setenv bootargs console=${console} " \
 159                 "video=${videospec},mode:${videomode} " \
 160                 "root=/dev/mtdblock4 rw " \
 161                 "rootfstype=jffs2\0" \
 162         "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
 163         "bootscript=echo Running bootscript from mmc ...; " \
 164                 "source ${loadaddr}\0" \
 165         "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
 166         "mmcboot=echo Booting from mmc ...; " \
 167                 "run mmcargs; " \
 168                 "bootm ${loadaddr}\0" \
 169         "nandboot=echo Booting from nand ...; " \
 170                 "run nandargs; " \
 171                 "nand read ${loadaddr} 280000 400000; " \
 172                 "bootm ${loadaddr}\0" \
 173
 174 #define CONFIG_BOOTCOMMAND \
 175         "if mmc init; then " \
 176                 "if run loadbootscript; then " \
 177                         "run bootscript; " \
 178                 "else " \
 179                         "if run loaduimage; then " \
 180                                 "run mmcboot; " \
 181                         "else run nandboot; " \
 182                         "fi; " \
 183                 "fi; " \
 184         "else run nandboot; fi"
 185
 186 #define CONFIG_AUTO_COMPLETE    1
 187 /*
 188  * Miscellaneous configurable options
 189  */
 190 #define V_PROMPT                "Overo # "
 191
 192 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
 193 #define CONFIG_SYS_HUSH_PARSER          /* use "hush" command parser */
 194 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 195 #define CONFIG_SYS_PROMPT               V_PROMPT
 196 #define CONFIG_SYS_CBSIZE               256     /* Console I/O Buffer Size */
 197 /* Print Buffer Size */
 198 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
 199                                         sizeof(CONFIG_SYS_PROMPT) + 16)
 200 #define CONFIG_SYS_MAXARGS              16      /* max number of command */
 201                                                 /* args */
 202 /* Boot Argument Buffer Size */
 203 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 204 /* memtest works on */
 205 #define CONFIG_SYS_MEMTEST_START        (OMAP34XX_SDRC_CS0)
 206 #define CONFIG_SYS_MEMTEST_END          (OMAP34XX_SDRC_CS0 + \
 207                                         0x01F00000) /* 31MB */
 208
 209 #define CONFIG_SYS_LOAD_ADDR            (OMAP34XX_SDRC_CS0) /* default load */
 210                                                                 /* address */
 211
 212 /*
 213  * 2430 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) or by
 214  * 32KHz clk, or from external sig. This rate is divided by a local divisor.
 215  */
 216 #define CONFIG_SYS_TIMERBASE            (OMAP34XX_GPT2)
 217 #define CONFIG_SYS_PTV                  7       /* 2^(PTV+1) */
 218 #define CONFIG_SYS_HZ                   ((V_SCLK) / (2 << CONFIG_SYS_PTV))
 219
 220 /*-----------------------------------------------------------------------
 221  * Stack sizes
 222  *
 223  * The stack sizes are set up in start.S using the settings below
 224  */
 225 #define CONFIG_STACKSIZE        SZ_128K /* regular stack */
 226 #ifdef CONFIG_USE_IRQ
 227 #define CONFIG_STACKSIZE_IRQ    SZ_4K   /* IRQ stack */
 228 #define CONFIG_STACKSIZE_FIQ    SZ_4K   /* FIQ stack */
 229 #endif
 230
 231 /*-----------------------------------------------------------------------
 232  * Physical Memory Map
 233  */
 234 #define CONFIG_NR_DRAM_BANKS    2       /* CS1 may or may not be populated */
 235 #define PHYS_SDRAM_1            OMAP34XX_SDRC_CS0
 236 #define PHYS_SDRAM_1_SIZE       SZ_32M  /* at least 32 meg */
 237 #define PHYS_SDRAM_2            OMAP34XX_SDRC_CS1
 238
 239 /* SDRAM Bank Allocation method */
 240 #define SDRC_R_B_C              1
 241
 242 /*-----------------------------------------------------------------------
 243  * FLASH and environment organization
 244  */
 245
 246 /* **** PISMO SUPPORT *** */
 247
 248 /* Configure the PISMO */
 249 #define PISMO1_NAND_SIZE                GPMC_SIZE_128M
 250 #define PISMO1_ONEN_SIZE                GPMC_SIZE_128M
 251
 252 #define CONFIG_SYS_MAX_FLASH_SECT       520     /* max number of sectors on */
 253                                                 /* one chip */
 254 #define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max number of flash banks */
 255 #define CONFIG_SYS_MONITOR_LEN          SZ_256K /* Reserve 2 sectors */
 256
 257 #define CONFIG_SYS_FLASH_BASE           boot_flash_base
 258
 259 /* Monitor at start of flash */
 260 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 261 #define CONFIG_SYS_ONENAND_BASE         ONENAND_MAP
 262
 263 #define CONFIG_ENV_IS_IN_NAND           1
 264 #define ONENAND_ENV_OFFSET              0x240000 /* environment starts here */
 265 #define SMNAND_ENV_OFFSET               0x240000 /* environment starts here */
 266
 267 #define CONFIG_SYS_ENV_SECT_SIZE        boot_flash_sec
 268 #define CONFIG_ENV_OFFSET               boot_flash_off
 269 #define CONFIG_ENV_ADDR                 SMNAND_ENV_OFFSET
 270
 271 /*-----------------------------------------------------------------------
 272  * CFI FLASH driver setup
 273  */
 274 /* timeout values are in ticks */
 275 #define CONFIG_SYS_FLASH_ERASE_TOUT     (100 * CONFIG_SYS_HZ)
 276 #define CONFIG_SYS_FLASH_WRITE_TOUT     (100 * CONFIG_SYS_HZ)
 277
 278 /* Flash banks JFFS2 should use */
 279 #define CONFIG_SYS_MAX_MTD_BANKS        (CONFIG_SYS_MAX_FLASH_BANKS + \
 280                                         CONFIG_SYS_MAX_NAND_DEVICE)
 281 #define CONFIG_SYS_JFFS2_MEM_NAND
 282 /* use flash_info[2] */
 283 #define CONFIG_SYS_JFFS2_FIRST_BANK     CONFIG_SYS_MAX_FLASH_BANKS
 284 #define CONFIG_SYS_JFFS2_NUM_BANKS      1
 285
 286 #ifndef __ASSEMBLY__
 287 extern gpmc_csx_t *nand_cs_base;
 288 extern gpmc_t *gpmc_cfg_base;
 289 extern unsigned int boot_flash_base;
 290 extern volatile unsigned int boot_flash_env_addr;
 291 extern unsigned int boot_flash_off;
 292 extern unsigned int boot_flash_sec;
 293 extern unsigned int boot_flash_type;
 294 #endif
 295
 296
 297 #define WRITE_NAND_COMMAND(d, adr)\
 298                         writel(d, &nand_cs_base->nand_cmd)
 299 #define WRITE_NAND_ADDRESS(d, adr)\
 300                         writel(d, &nand_cs_base->nand_adr)
 301 #define WRITE_NAND(d, adr) writew(d, &nand_cs_base->nand_dat)
 302 #define READ_NAND(adr) readl(&nand_cs_base->nand_dat)
 303
 304 /* Other NAND Access APIs */
 305 #define NAND_WP_OFF() do {readl(&gpmc_cfg_base->config) |= GPMC_CONFIG_WP; } \
 306                         while (0)
 307 #define NAND_WP_ON() do {readl(&gpmc_cfg_base->config) &= ~GPMC_CONFIG_WP; } \
 308                         while (0)
 309 #define NAND_DISABLE_CE(nand)
 310 #define NAND_ENABLE_CE(nand)
 311 #define NAND_WAIT_READY(nand)   udelay(10)
 312
 313 #endif                          /* __CONFIG_H */