include/configs/ti_armv7_common.h

   1 /*
   2  * ti_armv7_common.h
   3  *
   4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  *
   8  * The various ARMv7 SoCs from TI all share a number of IP blocks when
   9  * implementing a given feature.  Rather than define these in every
  10  * board or even SoC common file, we define a common file to be re-used
  11  * in all cases.  While technically true that some of these details are
  12  * configurable at the board design, they are common throughout SoC
  13  * reference platforms as well as custom designs and become de facto
  14  * standards.
  15  */
  16
  17 #ifndef __CONFIG_TI_ARMV7_COMMON_H__
  18 #define __CONFIG_TI_ARMV7_COMMON_H__
  19
  20 /* Common define for many platforms. */
  21 #define CONFIG_OMAP
  22 #define CONFIG_OMAP_COMMON
  23
  24 /*
  25  * We typically do not contain NOR flash.  In the cases where we do, we
  26  * undefine this later.
  27  */
  28 #define CONFIG_SYS_NO_FLASH
  29
  30 /* Support both device trees and ATAGs. */
  31 #define CONFIG_OF_LIBFDT
  32 #define CONFIG_CMDLINE_TAG
  33 #define CONFIG_SETUP_MEMORY_TAGS
  34 #define CONFIG_INITRD_TAG
  35
  36 /*
  37  * Our DDR memory always starts at 0x80000000 and U-Boot shall have
  38  * relocated itself to higher in memory by the time this value is used.
  39  */
  40 #define CONFIG_SYS_LOAD_ADDR            0x80000000
  41
  42 /*
  43  * Default to a quick boot delay.
  44  */
  45 #define CONFIG_BOOTDELAY                1
  46
  47 /*
  48  * DDR information.  We say (for simplicity) that we have 1 bank,
  49  * always, even when we have more.  We always start at 0x80000000,
  50  * and we place the initial stack pointer in our SRAM.
  51  */
  52 #define CONFIG_NR_DRAM_BANKS            1
  53 #define CONFIG_SYS_SDRAM_BASE           0x80000000
  54 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
  55                                                 GENERATED_GBL_DATA_SIZE)
  56
  57 /* Timer information. */
  58 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
  59 #define CONFIG_SYS_HZ                   1000    /* 1ms clock */
  60
  61 /* I2C IP block */
  62 #define CONFIG_I2C
  63 #define CONFIG_HARD_I2C
  64 #define CONFIG_SYS_I2C_SPEED            100000
  65 #define CONFIG_SYS_I2C_SLAVE            1
  66 #define CONFIG_I2C_MULTI_BUS
  67 #define CONFIG_DRIVER_OMAP24XX_I2C
  68 #define CONFIG_CMD_I2C
  69
  70 /* MMC/SD IP block */
  71 #define CONFIG_MMC
  72 #define CONFIG_GENERIC_MMC
  73 #define CONFIG_OMAP_HSMMC
  74 #define CONFIG_CMD_MMC
  75
  76 /* McSPI IP block */
  77 #define CONFIG_SPI
  78 #define CONFIG_OMAP3_SPI
  79 #define CONFIG_CMD_SPI
  80
  81 /* GPIO block */
  82 #define CONFIG_OMAP_GPIO
  83 #define CONFIG_CMD_GPIO
  84
  85 /*
  86  * GPMC NAND block.  We support 1 device and the physical address to
  87  * access CS0 at is 0x8000000.
  88  */
  89 #ifdef CONFIG_NAND
  90 #define CONFIG_NAND_OMAP_GPMC
  91 #define CONFIG_SYS_NAND_BASE            0x8000000
  92 #define CONFIG_SYS_MAX_NAND_DEVICE      1
  93 #define CONFIG_CMD_NAND
  94 #endif
  95
  96 /*
  97  * The following are general good-enough settings for U-Boot.  We set a
  98  * large malloc pool as we generally have a lot of DDR, and we opt for
  99  * function over binary size in the main portion of U-Boot as this is
 100  * generally easily constrained later if needed.  We enable the config
 101  * options that give us information in the environment about what board
 102  * we are on so we do not need to rely on the command prompt.  We set a
 103  * console baudrate of 115200 and use the default baud rate table.
 104  */
 105 #define CONFIG_SYS_MALLOC_LEN           (1024 << 10)
 106 #define CONFIG_SYS_HUSH_PARSER
 107 #define CONFIG_SYS_PROMPT               "U-Boot# "
 108 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 109 #define CONFIG_BAUDRATE                 115200
 110 #define CONFIG_ENV_VARS_UBOOT_CONFIG    /* Strongly encouraged */
 111 #define CONFIG_ENV_OVERWRITE            /* Overwrite ethaddr / serial# */
 112
 113 /* As stated above, the following choices are optional. */
 114 #define CONFIG_SYS_LONGHELP
 115 #define CONFIG_AUTO_COMPLETE
 116 #define CONFIG_CMDLINE_EDITING
 117 #define CONFIG_VERSION_VARIABLE
 118
 119 /* We set the max number of command args high to avoid HUSH bugs. */
 120 #define CONFIG_SYS_MAXARGS              64
 121
 122 /* Console I/O Buffer Size */
 123 #define CONFIG_SYS_CBSIZE               512
 124 /* Print Buffer Size */
 125 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
 126                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
 127 /* Boot Argument Buffer Size */
 128 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 129
 130 /*
 131  * When we have SPI, NOR or NAND flash we expect to be making use of
 132  * mtdparts, both for ease of use in U-Boot and for passing information
 133  * on to the Linux kernel.
 134  */
 135 #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND)
 136 #define CONFIG_MTD_DEVICE               /* Required for mtdparts */
 137 #define CONFIG_CMD_MTDPARTS
 138 #endif
 139
 140 /*
 141  * For commands to use, we take the default list and add a few other
 142  * useful commands.  Note that we must have set CONFIG_SYS_NO_FLASH
 143  * prior to this include, in order to skip a few commands.  When we do
 144  * have flash, if we expect these commands they must be enabled in that
 145  * config.  If desired, a specific list of desired commands can be used
 146  * instead.
 147  */
 148 #include <config_cmd_default.h>
 149 #define CONFIG_CMD_ASKENV
 150 #define CONFIG_CMD_ECHO
 151 #define CONFIG_CMD_BOOTZ
 152
 153 /*
 154  * Common filesystems support.  When we have removable storage we
 155  * enabled a number of useful commands and support.
 156  */
 157 #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
 158 #define CONFIG_DOS_PARTITION
 159 #define CONFIG_CMD_FAT
 160 #define CONFIG_FAT_WRITE
 161 #define CONFIG_CMD_EXT2
 162 #define CONFIG_CMD_EXT4
 163 #define CONFIG_CMD_FS_GENERIC
 164 #endif
 165
 166 /*
 167  * Our platforms make use of SPL to initalize the hardware (primarily
 168  * memory) enough for full U-Boot to be loaded.  We also support Falcon
 169  * Mode so that the Linux kernel can be booted directly from SPL
 170  * instead, if desired.  We make use of the general SPL framework found
 171  * under common/spl/.  Given our generally common memory map, we set a
 172  * number of related defaults and sizes here.
 173  */
 174 #ifndef CONFIG_NOR_BOOT
 175 #define CONFIG_SPL
 176 #define CONFIG_SPL_FRAMEWORK
 177 #define CONFIG_SPL_OS_BOOT
 178
 179 /*
 180  * Place the image at the start of the ROM defined image space.
 181  * We limit our size to the ROM-defined downloaded image area, and use the
 182  * rest of the space for stack.  We load U-Boot itself into memory at
 183  * 0x80800000 for legacy reasons (to not conflict with older SPLs).  We
 184  * have our BSS be placed 1MiB after this, to allow for the default
 185  * Linux kernel address of 0x80008000 to work, in the Falcon Mode case.
 186  * We have the SPL malloc pool at the end of the BSS area.
 187  */
 188 #define CONFIG_SPL_STACK                CONFIG_SYS_INIT_SP_ADDR
 189 #define CONFIG_SYS_TEXT_BASE            0x80800000
 190 #define CONFIG_SPL_BSS_START_ADDR       0x80a00000
 191 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 192 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 193                                          CONFIG_SPL_BSS_MAX_SIZE)
 194 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
 195
 196 /* RAW SD card / eMMC locations. */
 197 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
 198 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
 199
 200 /* FAT sd card locations. */
 201 #define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION    1
 202 #define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME        "u-boot.img"
 203
 204 #ifdef CONFIG_SPL_OS_BOOT
 205 #define CONFIG_SYS_SPL_ARGS_ADDR                (CONFIG_SYS_SDRAM_BASE + 0x100)
 206
 207 /* FAT */
 208 #define CONFIG_SPL_FAT_LOAD_KERNEL_NAME         "uImage"
 209 #define CONFIG_SPL_FAT_LOAD_ARGS_NAME           "args"
 210
 211 /* RAW SD card / eMMC */
 212 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900   /* address 0x120000 */
 213 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR   0x80    /* address 0x10000 */
 214 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS  0x80    /* 64KiB */
 215
 216 /* NAND */
 217 #ifdef CONFIG_NAND
 218 #define CONFIG_CMD_SPL_NAND_OFS                 0x240000 /* end of u-boot */
 219 #define CONFIG_SYS_NAND_SPL_KERNEL_OFFS         0x280000
 220 #define CONFIG_CMD_SPL_WRITE_SIZE               0x2000
 221 #endif
 222
 223 /* spl export command */
 224 #define CONFIG_CMD_SPL
 225 #endif
 226
 227 #ifdef CONFIG_MMC
 228 #define CONFIG_SPL_LIBDISK_SUPPORT
 229 #define CONFIG_SPL_MMC_SUPPORT
 230 #define CONFIG_SPL_FAT_SUPPORT
 231 #endif
 232
 233 /* General parts of the framework, required. */
 234 #define CONFIG_SPL_I2C_SUPPORT
 235 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 236 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 237 #define CONFIG_SPL_SERIAL_SUPPORT
 238 #define CONFIG_SPL_GPIO_SUPPORT
 239 #define CONFIG_SPL_BOARD_INIT
 240
 241 #ifdef CONFIG_NAND
 242 #define CONFIG_SPL_NAND_AM33XX_BCH      /* OMAP4 and later ELM support */
 243 #define CONFIG_SPL_NAND_SUPPORT
 244 #define CONFIG_SPL_NAND_BASE
 245 #define CONFIG_SPL_NAND_DRIVERS
 246 #define CONFIG_SPL_NAND_ECC
 247 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 248 #define CONFIG_SYS_NAND_U_BOOT_OFFS     0x80000
 249 #endif
 250 #endif /* !CONFIG_NOR_BOOT */
 251
 252 #endif  /* __CONFIG_TI_ARMV7_COMMON_H__ */