include/configs/am3517_evm.h

   1 /*
   2  * am3517_evm.h - Default configuration for AM3517 EVM board.
   3  *
   4  * Author: Vaibhav Hiremath <hvaibhav@ti.com>
   5  *
   6  * Based on omap3_evm_config.h
   7  *
   8  * Copyright (C) 2010 Texas Instruments Incorporated
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #ifndef __CONFIG_H
  26 #define __CONFIG_H
  27
  28 /*
  29  * High Level Configuration Options
  30  */
  31 #define CONFIG_ARMV7            1       /* This is an ARM V7 CPU core */
  32 #define CONFIG_OMAP             1       /* in a TI OMAP core */
  33 #define CONFIG_OMAP34XX         1       /* which is a 34XX */
  34 #define CONFIG_OMAP3_AM3517EVM  1       /* working with AM3517EVM */
  35
  36 #define CONFIG_EMIF4    /* The chip has EMIF4 controller */
  37
  38 #include <asm/arch/cpu.h>               /* get chip and board defs */
  39 #include <asm/arch/omap3.h>
  40
  41 /*
  42  * Display CPU and Board information
  43  */
  44 #define CONFIG_DISPLAY_CPUINFO          1
  45 #define CONFIG_DISPLAY_BOARDINFO        1
  46
  47 /* Clock Defines */
  48 #define V_OSCK                  26000000        /* Clock output from T2 */
  49 #define V_SCLK                  (V_OSCK >> 1)
  50
  51 #undef CONFIG_USE_IRQ                           /* no support for IRQs */
  52 #define CONFIG_MISC_INIT_R
  53
  54 #define CONFIG_CMDLINE_TAG              1       /* enable passing of ATAGs */
  55 #define CONFIG_SETUP_MEMORY_TAGS        1
  56 #define CONFIG_INITRD_TAG               1
  57 #define CONFIG_REVISION_TAG             1
  58
  59 /*
  60  * Size of malloc() pool
  61  */
  62 #define CONFIG_ENV_SIZE                 (128 << 10)     /* 128 KiB sector */
  63 #define CONFIG_SYS_MALLOC_LEN           (CONFIG_ENV_SIZE + (128 << 10))
  64 #define CONFIG_SYS_GBL_DATA_SIZE        128     /* bytes reserved for */
  65                                                 /* initial data */
  66 /*
  67  * DDR related
  68  */
  69 #define CONFIG_OMAP3_MICRON_DDR         1       /* Micron DDR */
  70 #define CONFIG_SYS_CS0_SIZE             (256 * 1024 * 1024)
  71
  72 /*
  73  * Hardware drivers
  74  */
  75
  76 /*
  77  * NS16550 Configuration
  78  */
  79 #define V_NS16550_CLK                   48000000        /* 48MHz (APLL96/2) */
  80
  81 #define CONFIG_SYS_NS16550
  82 #define CONFIG_SYS_NS16550_SERIAL
  83 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  84 #define CONFIG_SYS_NS16550_CLK          V_NS16550_CLK
  85
  86 /*
  87  * select serial console configuration
  88  */
  89 #define CONFIG_CONS_INDEX               3
  90 #define CONFIG_SYS_NS16550_COM3         OMAP34XX_UART3
  91 #define CONFIG_SERIAL3                  3       /* UART3 on AM3517 EVM */
  92
  93 /* allow to overwrite serial and ethaddr */
  94 #define CONFIG_ENV_OVERWRITE
  95 #define CONFIG_BAUDRATE                 115200
  96 #define CONFIG_SYS_BAUDRATE_TABLE       {4800, 9600, 19200, 38400, 57600,\
  97                                         115200}
  98 #define CONFIG_MMC                      1
  99 #define CONFIG_OMAP3_MMC                1
 100 #define CONFIG_DOS_PARTITION            1
 101
 102 /* commands to include */
 103 #include <config_cmd_default.h>
 104
 105 #define CONFIG_CMD_EXT2         /* EXT2 Support                 */
 106 #define CONFIG_CMD_FAT          /* FAT support                  */
 107 #define CONFIG_CMD_JFFS2        /* JFFS2 Support                */
 108
 109 #define CONFIG_CMD_I2C          /* I2C serial bus support       */
 110 #define CONFIG_CMD_MMC          /* MMC support                  */
 111 #define CONFIG_CMD_NAND         /* NAND support                 */
 112 #define CONFIG_CMD_DHCP
 113 #define CONFIG_CMD_PING
 114
 115 #undef CONFIG_CMD_FLASH         /* flinfo, erase, protect       */
 116 #undef CONFIG_CMD_FPGA          /* FPGA configuration Support   */
 117 #undef CONFIG_CMD_IMI           /* iminfo                       */
 118 #undef CONFIG_CMD_IMLS          /* List all found images        */
 119
 120 #define CONFIG_SYS_NO_FLASH
 121 #define CONFIG_HARD_I2C                 1
 122 #define CONFIG_SYS_I2C_SPEED            100000
 123 #define CONFIG_SYS_I2C_SLAVE            1
 124 #define CONFIG_SYS_I2C_BUS              0
 125 #define CONFIG_SYS_I2C_BUS_SELECT       1
 126 #define CONFIG_DRIVER_OMAP34XX_I2C      1
 127
 128 #undef CONFIG_CMD_NET
 129 /*
 130  * Board NAND Info.
 131  */
 132 #define CONFIG_SYS_NAND_ADDR            NAND_BASE       /* physical address */
 133                                                         /* to access nand */
 134 #define CONFIG_SYS_NAND_BASE            NAND_BASE       /* physical address */
 135                                                         /* to access */
 136                                                         /* nand at CS0 */
 137
 138 #define CONFIG_SYS_MAX_NAND_DEVICE      1               /* Max number of */
 139                                                         /* NAND devices */
 140 #define CONFIG_SYS_64BIT_VSPRINTF               /* needed for nand_util.c */
 141
 142 #define CONFIG_JFFS2_NAND
 143 /* nand device jffs2 lives on */
 144 #define CONFIG_JFFS2_DEV                "nand0"
 145 /* start of jffs2 partition */
 146 #define CONFIG_JFFS2_PART_OFFSET        0x680000
 147 #define CONFIG_JFFS2_PART_SIZE          0xf980000       /* sz of jffs2 part */
 148
 149 /* Environment information */
 150 #define CONFIG_BOOTDELAY        10
 151
 152 #define CONFIG_BOOTFILE         uImage
 153
 154 #define CONFIG_EXTRA_ENV_SETTINGS \
 155         "loadaddr=0x82000000\0" \
 156         "console=ttyS2,115200n8\0" \
 157         "mmcargs=setenv bootargs console=${console} " \
 158                 "root=/dev/mmcblk0p2 rw " \
 159                 "rootfstype=ext3 rootwait\0" \
 160         "nandargs=setenv bootargs console=${console} " \
 161                 "root=/dev/mtdblock4 rw " \
 162                 "rootfstype=jffs2\0" \
 163         "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \
 164         "bootscript=echo Running bootscript from mmc ...; " \
 165                 "source ${loadaddr}\0" \
 166         "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \
 167         "mmcboot=echo Booting from mmc ...; " \
 168                 "run mmcargs; " \
 169                 "bootm ${loadaddr}\0" \
 170         "nandboot=echo Booting from nand ...; " \
 171                 "run nandargs; " \
 172                 "nand read ${loadaddr} 280000 400000; " \
 173                 "bootm ${loadaddr}\0" \
 174
 175 #define CONFIG_BOOTCOMMAND \
 176         "if mmc init; then " \
 177                 "if run loadbootscript; then " \
 178                         "run bootscript; " \
 179                 "else " \
 180                         "if run loaduimage; then " \
 181                                 "run mmcboot; " \
 182                         "else run nandboot; " \
 183                         "fi; " \
 184                 "fi; " \
 185         "else run nandboot; fi"
 186
 187 #define CONFIG_AUTO_COMPLETE    1
 188 /*
 189  * Miscellaneous configurable options
 190  */
 191 #define V_PROMPT                        "AM3517_EVM # "
 192
 193 #define CONFIG_SYS_LONGHELP             /* undef to save memory */
 194 #define CONFIG_SYS_HUSH_PARSER          /* use "hush" command parser */
 195 #define CONFIG_SYS_PROMPT_HUSH_PS2      "> "
 196 #define CONFIG_SYS_PROMPT               V_PROMPT
 197 #define CONFIG_SYS_CBSIZE               512     /* Console I/O Buffer Size */
 198 /* Print Buffer Size */
 199 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
 200                                         sizeof(CONFIG_SYS_PROMPT) + 16)
 201 #define CONFIG_SYS_MAXARGS              32      /* max number of command */
 202                                                 /* args */
 203 /* Boot Argument Buffer Size */
 204 #define CONFIG_SYS_BARGSIZE             (CONFIG_SYS_CBSIZE)
 205 /* memtest works on */
 206 #define CONFIG_SYS_MEMTEST_START        (OMAP34XX_SDRC_CS0)
 207 #define CONFIG_SYS_MEMTEST_END          (OMAP34XX_SDRC_CS0 + \
 208                                         0x01F00000) /* 31MB */
 209
 210 #define CONFIG_SYS_LOAD_ADDR            (OMAP34XX_SDRC_CS0) /* default load */
 211                                                                 /* address */
 212
 213 /*
 214  * AM3517 has 12 GP timers, they can be driven by the system clock
 215  * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
 216  * This rate is divided by a local divisor.
 217  */
 218 #define CONFIG_SYS_TIMERBASE            OMAP34XX_GPT2
 219 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
 220 #define CONFIG_SYS_HZ                   1000
 221
 222 /*-----------------------------------------------------------------------
 223  * Stack sizes
 224  *
 225  * The stack sizes are set up in start.S using the settings below
 226  */
 227 #define CONFIG_STACKSIZE        (128 << 10)     /* regular stack 128 KiB */
 228 #ifdef CONFIG_USE_IRQ
 229 #define CONFIG_STACKSIZE_IRQ    (4 << 10)       /* IRQ stack 4 KiB */
 230 #define CONFIG_STACKSIZE_FIQ    (4 << 10)       /* FIQ stack 4 KiB */
 231 #endif
 232
 233 /*-----------------------------------------------------------------------
 234  * Physical Memory Map
 235  */
 236 #define CONFIG_NR_DRAM_BANKS    2       /* CS1 may or may not be populated */
 237 #define PHYS_SDRAM_1            OMAP34XX_SDRC_CS0
 238 #define PHYS_SDRAM_1_SIZE       (32 << 20)      /* at least 32 MiB */
 239 #define PHYS_SDRAM_2            OMAP34XX_SDRC_CS1
 240
 241 /* SDRAM Bank Allocation method */
 242 #define SDRC_R_B_C              1
 243
 244 /*-----------------------------------------------------------------------
 245  * FLASH and environment organization
 246  */
 247
 248 /* **** PISMO SUPPORT *** */
 249
 250 /* Configure the PISMO */
 251 #define PISMO1_NAND_SIZE                GPMC_SIZE_128M
 252 #define PISMO1_ONEN_SIZE                GPMC_SIZE_128M
 253
 254 #define CONFIG_SYS_MAX_FLASH_SECT       520     /* max number of sectors */
 255                                                 /* on one chip */
 256 #define CONFIG_SYS_MAX_FLASH_BANKS      2       /* max number of flash banks */
 257 #define CONFIG_SYS_MONITOR_LEN          (256 << 10)     /* Reserve 2 sectors */
 258
 259 #define CONFIG_SYS_FLASH_BASE           boot_flash_base
 260
 261 /* Monitor at start of flash */
 262 #define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
 263
 264 #define CONFIG_NAND_OMAP_GPMC
 265 #define GPMC_NAND_ECC_LP_x16_LAYOUT     1
 266 #define CONFIG_ENV_IS_IN_NAND           1
 267 #define SMNAND_ENV_OFFSET               0x260000 /* environment starts here */
 268
 269 #define CONFIG_SYS_ENV_SECT_SIZE        boot_flash_sec
 270 #define CONFIG_ENV_OFFSET               boot_flash_off
 271 #define CONFIG_ENV_ADDR                 boot_flash_env_addr
 272
 273 /*-----------------------------------------------------------------------
 274  * CFI FLASH driver setup
 275  */
 276 /* timeout values are in ticks */
 277 #define CONFIG_SYS_FLASH_ERASE_TOUT     (100 * CONFIG_SYS_HZ)
 278 #define CONFIG_SYS_FLASH_WRITE_TOUT     (100 * CONFIG_SYS_HZ)
 279
 280 /* Flash banks JFFS2 should use */
 281 #define CONFIG_SYS_MAX_MTD_BANKS        (CONFIG_SYS_MAX_FLASH_BANKS + \
 282                                         CONFIG_SYS_MAX_NAND_DEVICE)
 283 #define CONFIG_SYS_JFFS2_MEM_NAND
 284 /* use flash_info[2] */
 285 #define CONFIG_SYS_JFFS2_FIRST_BANK     CONFIG_SYS_MAX_FLASH_BANKS
 286 #define CONFIG_SYS_JFFS2_NUM_BANKS      1
 287
 288 #ifndef __ASSEMBLY__
 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 #endif /* __CONFIG_H */