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 #ifdef CONFIG_DFU_MMC
 131 #define CONFIG_SYS_MALLOC_LEN   ((16 << 20) + CONFIG_SYS_DFU_DATA_BUF_SIZE)
 132 #else
 133 #define CONFIG_SYS_MALLOC_LEN   (16 << 20)
 134 #endif
 135 #define CONFIG_SYS_HUSH_PARSER
 136 #define CONFIG_SYS_PROMPT               "U-Boot# "
 137 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 138 #define CONFIG_BAUDRATE                 115200
 139 #define CONFIG_ENV_VARS_UBOOT_CONFIG    /* Strongly encouraged */
 140 #define CONFIG_ENV_OVERWRITE            /* Overwrite ethaddr / serial# */
 141
 142 /* As stated above, the following choices are optional. */
 143 #define CONFIG_SYS_LONGHELP
 144 #define CONFIG_AUTO_COMPLETE
 145 #define CONFIG_CMDLINE_EDITING
 146 #define CONFIG_VERSION_VARIABLE
 147
 148 /* We set the max number of command args high to avoid HUSH bugs. */
 149 #define CONFIG_SYS_MAXARGS              64
 150
 151 /* Console I/O Buffer Size */
 152 #define CONFIG_SYS_CBSIZE               512
 153 /* Print Buffer Size */
 154 #define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
 155                                         + sizeof(CONFIG_SYS_PROMPT) + 16)
 156 /* Boot Argument Buffer Size */
 157 #define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 158
 159 /*
 160  * When we have SPI, NOR or NAND flash we expect to be making use of
 161  * mtdparts, both for ease of use in U-Boot and for passing information
 162  * on to the Linux kernel.
 163  */
 164 #if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND)
 165 #define CONFIG_MTD_DEVICE               /* Required for mtdparts */
 166 #define CONFIG_CMD_MTDPARTS
 167 #endif
 168
 169 /*
 170  * For commands to use, we take the default list and add a few other
 171  * useful commands.  Note that we must have set CONFIG_SYS_NO_FLASH
 172  * prior to this include, in order to skip a few commands.  When we do
 173  * have flash, if we expect these commands they must be enabled in that
 174  * config.  If desired, a specific list of desired commands can be used
 175  * instead.
 176  */
 177 #include <config_cmd_default.h>
 178 #define CONFIG_CMD_ASKENV
 179 #define CONFIG_CMD_ECHO
 180 #define CONFIG_CMD_BOOTZ
 181 #define CONFIG_SUPPORT_RAW_INITRD
 182
 183 /*
 184  * Common filesystems support.  When we have removable storage we
 185  * enabled a number of useful commands and support.
 186  */
 187 #if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
 188 #define CONFIG_DOS_PARTITION
 189 #define CONFIG_CMD_FAT
 190 #define CONFIG_FAT_WRITE
 191 #define CONFIG_CMD_EXT2
 192 #define CONFIG_CMD_EXT4
 193 #define CONFIG_CMD_FS_GENERIC
 194 #define CONFIG_PARTITION_UUIDS
 195 #define CONFIG_CMD_PART
 196 #endif
 197
 198 /*
 199  * Our platforms make use of SPL to initalize the hardware (primarily
 200  * memory) enough for full U-Boot to be loaded.  We also support Falcon
 201  * Mode so that the Linux kernel can be booted directly from SPL
 202  * instead, if desired.  We make use of the general SPL framework found
 203  * under common/spl/.  Given our generally common memory map, we set a
 204  * number of related defaults and sizes here.
 205  */
 206 #if !defined(CONFIG_NOR_BOOT) && \
 207         !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
 208 #define CONFIG_SPL_FRAMEWORK
 209 #define CONFIG_SPL_OS_BOOT
 210
 211 /*
 212  * Place the image at the start of the ROM defined image space (per
 213  * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
 214  * downloaded image area.  We initalize DRAM as soon as we can so that
 215  * we can place stack, malloc and BSS there.  We load U-Boot itself into
 216  * memory at 0x80800000 for legacy reasons (to not conflict with older
 217  * SPLs).  We have our BSS be placed 2MiB after this, to allow for the
 218  * default Linux kernel address of 0x80008000 to work with most sized
 219  * kernels, in the Falcon Mode case.  We have the SPL malloc pool at the
 220  * end of the BSS area.  We suggest that the stack be placed at 32MiB after
 221  * the start of DRAM to allow room for all of the above (handled in Kconfig).
 222  */
 223 #ifndef CONFIG_SYS_TEXT_BASE
 224 #define CONFIG_SYS_TEXT_BASE            0x80800000
 225 #endif
 226 #ifndef CONFIG_SPL_BSS_START_ADDR
 227 #define CONFIG_SPL_BSS_START_ADDR       0x80a00000
 228 #define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 229 #endif
 230 #ifndef CONFIG_SYS_SPL_MALLOC_START
 231 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 232                                          CONFIG_SPL_BSS_MAX_SIZE)
 233 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
 234 #endif
 235
 236 /* RAW SD card / eMMC locations. */
 237 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
 238 #define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS      0x200 /* 256 KB */
 239
 240 /* FAT sd card locations. */
 241 #define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
 242 #define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
 243
 244 #ifdef CONFIG_SPL_OS_BOOT
 245 /* FAT */
 246 #define CONFIG_SPL_FS_LOAD_KERNEL_NAME          "uImage"
 247 #define CONFIG_SPL_FS_LOAD_ARGS_NAME            "args"
 248
 249 /* RAW SD card / eMMC */
 250 #define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900   /* address 0x120000 */
 251 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR   0x80    /* address 0x10000 */
 252 #define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS  0x80    /* 64KiB */
 253
 254 /* spl export command */
 255 #define CONFIG_CMD_SPL
 256 #endif
 257
 258 #ifdef CONFIG_MMC
 259 #define CONFIG_SPL_LIBDISK_SUPPORT
 260 #define CONFIG_SPL_MMC_SUPPORT
 261 #define CONFIG_SPL_FAT_SUPPORT
 262 #endif
 263
 264 /* General parts of the framework, required. */
 265 #define CONFIG_SPL_I2C_SUPPORT
 266 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 267 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 268 #define CONFIG_SPL_SERIAL_SUPPORT
 269 #define CONFIG_SPL_GPIO_SUPPORT
 270 #define CONFIG_SPL_BOARD_INIT
 271
 272 #ifdef CONFIG_NAND
 273 #define CONFIG_SPL_NAND_SUPPORT
 274 #define CONFIG_SPL_NAND_BASE
 275 #define CONFIG_SPL_NAND_DRIVERS
 276 #define CONFIG_SPL_NAND_ECC
 277 #define CONFIG_SPL_MTD_SUPPORT
 278 #define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 279 #endif
 280 #endif /* !CONFIG_NOR_BOOT */
 281
 282 /* Generic Environment Variables */
 283
 284 #ifdef CONFIG_CMD_NET
 285 #define NETARGS \
 286         "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
 287                 "::off\0" \
 288         "nfsopts=nolock\0" \
 289         "rootpath=/export/rootfs\0" \
 290         "netloadimage=tftp ${loadaddr} ${bootfile}\0" \
 291         "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
 292         "netargs=setenv bootargs console=${console} " \
 293                 "${optargs} " \
 294                 "root=/dev/nfs " \
 295                 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
 296                 "ip=dhcp\0" \
 297         "netboot=echo Booting from network ...; " \
 298                 "setenv autoload no; " \
 299                 "dhcp; " \
 300                 "run netloadimage; " \
 301                 "run netloadfdt; " \
 302                 "run netargs; " \
 303                 "bootz ${loadaddr} - ${fdtaddr}\0"
 304
 305 #endif
 306
 307 #endif  /* __CONFIG_TI_ARMV7_COMMON_H__ */