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 #define CONFIG_SYS_GENERIC_BOARD
  24
  25 /*
  26  * We typically do not contain NOR flash.  In the cases where we do, we
  27  * undefine this later.
  28  */
  29 #define CONFIG_SYS_NO_FLASH
  30
  31 /* Support both device trees and ATAGs. */
  32 #define CONFIG_OF_LIBFDT
  33 #define CONFIG_CMDLINE_TAG
  34 #define CONFIG_SETUP_MEMORY_TAGS
  35 #define CONFIG_INITRD_TAG
  36
  37 /*
  38  * Our DDR memory always starts at 0x80000000 and U-Boot shall have
  39  * relocated itself to higher in memory by the time this value is used.
  40  * However, set this to a 32MB offset to allow for easier Linux kernel
  41  * booting as the default is often used as the kernel load address.
  42  */
  43 #define CONFIG_SYS_LOAD_ADDR            0x82000000
  44
  45 /*
  46  * We setup defaults based on constraints from the Linux kernel, which should
  47  * also be safe elsewhere.  We have the default load at 32MB into DDR (for
  48  * the kernel), FDT above 128MB (the maximum location for the end of the
  49  * kernel), and the ramdisk 512KB above that (allowing for hopefully never
  50  * seen large trees).  We say all of this must be within the first 256MB
  51  * as that will normally be within the kernel lowmem and thus visible via
  52  * bootm_size and we only run on platforms with 256MB or more of memory.
  53  */
  54 #define DEFAULT_LINUX_BOOT_ENV \
  55         "loadaddr=0x82000000\0" \
  56         "kernel_addr_r=0x82000000\0" \
  57         "fdtaddr=0x88000000\0" \
  58         "fdt_addr_r=0x88000000\0" \
  59         "rdaddr=0x88080000\0" \
  60         "ramdisk_addr_r=0x88080000\0" \
  61         "bootm_size=0x10000000\0"
  62
  63 /*
  64  * Default to a quick boot delay.
  65  */
  66 #define CONFIG_BOOTDELAY                1
  67
  68 /*
  69  * DDR information.  If the CONFIG_NR_DRAM_BANKS is not defined,
  70  * we say (for simplicity) that we have 1 bank, always, even when
  71  * we have more.  We always start at 0x80000000, and we place the
  72  * initial stack pointer in our SRAM. Otherwise, we can define
  73  * CONFIG_NR_DRAM_BANKS before including this file.
  74  */
  75 #ifndef CONFIG_NR_DRAM_BANKS
  76 #define CONFIG_NR_DRAM_BANKS            1
  77 #endif
  78 #define CONFIG_SYS_SDRAM_BASE           0x80000000
  79 #define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
  80                                                 GENERATED_GBL_DATA_SIZE)
  81
  82 /* Timer information. */
  83 #define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
  84
  85 /* I2C IP block */
  86 #define CONFIG_I2C
  87 #define CONFIG_CMD_I2C
  88 #define CONFIG_SYS_I2C
  89 #define CONFIG_SYS_OMAP24_I2C_SPEED     100000
  90 #define CONFIG_SYS_OMAP24_I2C_SLAVE     1
  91 #define CONFIG_SYS_I2C_OMAP24XX
  92
  93 /* MMC/SD IP block */
  94 #define CONFIG_MMC
  95 #define CONFIG_GENERIC_MMC
  96 #define CONFIG_OMAP_HSMMC
  97 #define CONFIG_CMD_MMC
  98
  99 /* McSPI IP block */
 100 #define CONFIG_SPI
 101 #define CONFIG_OMAP3_SPI
 102 #define CONFIG_CMD_SPI
 103
 104 /* GPIO block */
 105 #define CONFIG_OMAP_GPIO
 106 #define CONFIG_CMD_GPIO
 107
 108 /*
 109  * GPMC NAND block.  We support 1 device and the physical address to
 110  * access CS0 at is 0x8000000.
 111  */
 112 #ifdef CONFIG_NAND
 113 #define CONFIG_NAND_OMAP_GPMC
 114 #ifndef CONFIG_SYS_NAND_BASE
 115 #define CONFIG_SYS_NAND_BASE            0x8000000
 116 #endif
 117 #define CONFIG_SYS_MAX_NAND_DEVICE      1
 118 #define CONFIG_CMD_NAND
 119 #endif
 120
 121 /*
 122  * The following are general good-enough settings for U-Boot.  We set a
 123  * large malloc pool as we generally have a lot of DDR, and we opt for
 124  * function over binary size in the main portion of U-Boot as this is
 125  * generally easily constrained later if needed.  We enable the config
 126  * options that give us information in the environment about what board
 127  * we are on so we do not need to rely on the command prompt.  We set a
 128  * console baudrate of 115200 and use the default baud rate table.
 129  */
 130 #define CONFIG_SYS_MALLOC_LEN           (16 << 20)
 131 #define CONFIG_SYS_HUSH_PARSER
 132 #define CONFIG_SYS_PROMPT               "U-Boot# "
 133 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 134 #define CONFIG_BAUDRATE                 115200
 135 #define CONFIG_ENV_VARS_UBOOT_CONFIG    /* Strongly encouraged */
 136 #define CONFIG_ENV_OVERWRITE            /* Overwrite ethaddr / serial# */
 137
 138 /* As stated above, the following choices are optional. */
 139 #define CONFIG_SYS_LONGHELP
 140 #define CONFIG_AUTO_COMPLETE
 141 #define CONFIG_CMDLINE_EDITING
 142 #define CONFIG_VERSION_VARIABLE
 143
 144 /* We set the max number of command args high to avoid HUSH bugs. */
 145 #define CONFIG_SYS_MAXARGS              64
 146
 147 /* Console I/O Buffer Size */
 148 #define CONFIG_SYS_CBSIZE               512
 149 /* Print Buffer Size */
 150 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
 151                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
 152 /* Boot Argument Buffer Size */
 153 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 154
 155 /*
 156  * When we have SPI, NOR or NAND flash we expect to be making use of
 157  * mtdparts, both for ease of use in U-Boot and for passing information
 158  * on to the Linux kernel.
 159  */
 160 #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND)
 161 #define CONFIG_MTD_DEVICE               /* Required for mtdparts */
 162 #define CONFIG_CMD_MTDPARTS
 163 #endif
 164
 165 /*
 166  * For commands to use, we take the default list and add a few other
 167  * useful commands.  Note that we must have set CONFIG_SYS_NO_FLASH
 168  * prior to this include, in order to skip a few commands.  When we do
 169  * have flash, if we expect these commands they must be enabled in that
 170  * config.  If desired, a specific list of desired commands can be used
 171  * instead.
 172  */
 173 #include <config_cmd_default.h>
 174 #define CONFIG_CMD_ASKENV
 175 #define CONFIG_CMD_ECHO
 176 #define CONFIG_CMD_BOOTZ
 177 #define CONFIG_SUPPORT_RAW_INITRD
 178
 179 /*
 180  * Common filesystems support.  When we have removable storage we
 181  * enabled a number of useful commands and support.
 182  */
 183 #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
 184 #define CONFIG_DOS_PARTITION
 185 #define CONFIG_CMD_FAT
 186 #define CONFIG_FAT_WRITE
 187 #define CONFIG_CMD_EXT2
 188 #define CONFIG_CMD_EXT4
 189 #define CONFIG_CMD_FS_GENERIC
 190 #define CONFIG_PARTITION_UUIDS
 191 #define CONFIG_CMD_PART
 192 #endif
 193
 194 /*
 195  * Our platforms make use of SPL to initalize the hardware (primarily
 196  * memory) enough for full U-Boot to be loaded.  We also support Falcon
 197  * Mode so that the Linux kernel can be booted directly from SPL
 198  * instead, if desired.  We make use of the general SPL framework found
 199  * under common/spl/.  Given our generally common memory map, we set a
 200  * number of related defaults and sizes here.
 201  */
 202 #if !defined(CONFIG_NOR_BOOT) && \
 203         !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
 204 #define CONFIG_SPL_FRAMEWORK
 205 #define CONFIG_SPL_OS_BOOT
 206
 207 /*
 208  * Place the image at the start of the ROM defined image space (per
 209  * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
 210  * downloaded image area.  We initalize DRAM as soon as we can so that
 211  * we can place stack, malloc and BSS there.  We load U-Boot itself into
 212  * memory at 0x80800000 for legacy reasons (to not conflict with older
 213  * SPLs).  We have our BSS be placed 2MiB after this, to allow for the
 214  * default Linux kernel address of 0x80008000 to work with most sized
 215  * kernels, in the Falcon Mode case.  We have the SPL malloc pool at the
 216  * end of the BSS area.  We place our stack at 32MiB after the start of
 217  * DRAM to allow room for all of the above.
 218  */
 219 #define CONFIG_SPL_STACK                (CONFIG_SYS_SDRAM_BASE + (32 << 20))
 220 #ifndef CONFIG_SYS_TEXT_BASE
 221 #define CONFIG_SYS_TEXT_BASE            0x80800000
 222 #endif
 223 #ifndef CONFIG_SPL_BSS_START_ADDR
 224 #define CONFIG_SPL_BSS_START_ADDR       0x80a00000
 225 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 226 #endif
 227 #ifndef CONFIG_SYS_SPL_MALLOC_START
 228 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 229                                          CONFIG_SPL_BSS_MAX_SIZE)
 230 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
 231 #endif
 232
 233 /* RAW SD card / eMMC locations. */
 234 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
 235 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
 236
 237 /* FAT sd card locations. */
 238 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
 239 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
 240
 241 #ifdef CONFIG_SPL_OS_BOOT
 242 /* FAT */
 243 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME          "uImage"
 244 #define CONFIG_SPL_FS_LOAD_ARGS_NAME            "args"
 245
 246 /* RAW SD card / eMMC */
 247 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900   /* address 0x120000 */
 248 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR   0x80    /* address 0x10000 */
 249 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS  0x80    /* 64KiB */
 250
 251 /* spl export command */
 252 #define CONFIG_CMD_SPL
 253 #endif
 254
 255 #ifdef CONFIG_MMC
 256 #define CONFIG_SPL_LIBDISK_SUPPORT
 257 #define CONFIG_SPL_MMC_SUPPORT
 258 #define CONFIG_SPL_FAT_SUPPORT
 259 #endif
 260
 261 /* General parts of the framework, required. */
 262 #define CONFIG_SPL_I2C_SUPPORT
 263 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 264 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 265 #define CONFIG_SPL_SERIAL_SUPPORT
 266 #define CONFIG_SPL_GPIO_SUPPORT
 267 #define CONFIG_SPL_BOARD_INIT
 268
 269 #ifdef CONFIG_NAND
 270 #define CONFIG_SPL_NAND_SUPPORT
 271 #define CONFIG_SPL_NAND_BASE
 272 #define CONFIG_SPL_NAND_DRIVERS
 273 #define CONFIG_SPL_NAND_ECC
 274 #define CONFIG_SPL_MTD_SUPPORT
 275 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 276 #endif
 277 #endif /* !CONFIG_NOR_BOOT */
 278
 279 #endif  /* __CONFIG_TI_ARMV7_COMMON_H__ */