LXR uboot/include/configs/ti_armv7

   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/*
  21 * We typically do not contain NOR flash.  In the cases where we do, we
  22 * undefine this later.
  23 */
  24#define CONFIG_SYS_NO_FLASH
  25
  26/* Support both device trees and ATAGs. */
  27#define CONFIG_CMDLINE_TAG
  28#define CONFIG_SETUP_MEMORY_TAGS
  29#define CONFIG_INITRD_TAG
  30
  31/*
  32 * Our DDR memory always starts at 0x80000000 and U-Boot shall have
  33 * relocated itself to higher in memory by the time this value is used.
  34 * However, set this to a 32MB offset to allow for easier Linux kernel
  35 * booting as the default is often used as the kernel load address.
  36 */
  37#define CONFIG_SYS_LOAD_ADDR            0x82000000
  38
  39/*
  40 * We setup defaults based on constraints from the Linux kernel, which should
  41 * also be safe elsewhere.  We have the default load at 32MB into DDR (for
  42 * the kernel), FDT above 128MB (the maximum location for the end of the
  43 * kernel), and the ramdisk 512KB above that (allowing for hopefully never
  44 * seen large trees).  We say all of this must be within the first 256MB
  45 * as that will normally be within the kernel lowmem and thus visible via
  46 * bootm_size and we only run on platforms with 256MB or more of memory.
  47 */
  48#define DEFAULT_LINUX_BOOT_ENV \
  49        "loadaddr=0x82000000\0" \
  50        "kernel_addr_r=0x82000000\0" \
  51        "fdtaddr=0x88000000\0" \
  52        "fdt_addr_r=0x88000000\0" \
  53        "rdaddr=0x88080000\0" \
  54        "ramdisk_addr_r=0x88080000\0" \
  55        "scriptaddr=0x80000000\0" \
  56        "pxefile_addr_r=0x80100000\0" \
  57        "bootm_size=0x10000000\0" \
  58        "boot_fdt=try\0"
  59
  60#define DEFAULT_MMC_TI_ARGS \
  61        "mmcdev=0\0" \
  62        "mmcrootfstype=ext4 rootwait\0" \
  63        "finduuid=part uuid mmc ${bootpart} uuid\0" \
  64        "args_mmc=run finduuid;setenv bootargs console=${console} " \
  65                "${optargs} " \
  66                "root=PARTUUID=${uuid} rw " \
  67                "rootfstype=${mmcrootfstype}\0" \
  68        "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
  69        "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
  70                "source ${loadaddr}\0" \
  71        "bootenvfile=uEnv.txt\0" \
  72        "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
  73                "env import -t ${loadaddr} ${filesize}\0" \
  74        "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}\0" \
  75        "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
  76        "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
  77        "envboot=mmc dev ${mmcdev}; " \
  78                "if mmc rescan; then " \
  79                        "echo SD/MMC found on device ${mmcdev};" \
  80                        "if run loadbootscript; then " \
  81                                "run bootscript;" \
  82                        "else " \
  83                                "if run loadbootenv; then " \
  84                                        "echo Loaded env from ${bootenvfile};" \
  85                                        "run importbootenv;" \
  86                                "fi;" \
  87                                "if test -n $uenvcmd; then " \
  88                                        "echo Running uenvcmd ...;" \
  89                                        "run uenvcmd;" \
  90                                "fi;" \
  91                        "fi;" \
  92                "fi;\0" \
  93        "mmcloados=run args_mmc; " \
  94                "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
  95                        "if run loadfdt; then " \
  96                                "bootz ${loadaddr} - ${fdtaddr}; " \
  97                        "else " \
  98                                "if test ${boot_fdt} = try; then " \
  99                                        "bootz; " \
 100                                "else " \
 101                                        "echo WARN: Cannot load the DT; " \
 102                                "fi; " \
 103                        "fi; " \
 104                "else " \
 105                        "bootz; " \
 106                "fi;\0" \
 107        "mmcboot=mmc dev ${mmcdev}; " \
 108                "setenv devnum ${mmcdev}; " \
 109                "setenv devtype mmc; " \
 110                "if mmc rescan; then " \
 111                        "echo SD/MMC found on device ${mmcdev};" \
 112                        "if run loadimage; then " \
 113                                "if test ${boot_fit} -eq 1; then " \
 114                                        "run loadfit; " \
 115                                "else " \
 116                                        "run mmcloados;" \
 117                                "fi;" \
 118                        "fi;" \
 119                "fi;\0" \
 120
 121#define DEFAULT_FIT_TI_ARGS \
 122        "boot_fit=0\0" \
 123        "fit_loadaddr=0x88000000\0" \
 124        "fit_bootfile=fitImage.itb\0" \
 125        "update_to_fit=setenv loadaddr ${fit_loadaddr}; setenv bootfile ${fit_bootfile}\0" \
 126        "args_fit=setenv bootargs console=${console} \0" \
 127        "loadfit=run args_fit; bootm ${loadaddr}:kernel@1 " \
 128                "${loadaddr}:ramdisk@1 ${loadaddr}:${fdtfile};\0" \
 129
 130/*
 131 * DDR information.  If the CONFIG_NR_DRAM_BANKS is not defined,
 132 * we say (for simplicity) that we have 1 bank, always, even when
 133 * we have more.  We always start at 0x80000000, and we place the
 134 * initial stack pointer in our SRAM. Otherwise, we can define
 135 * CONFIG_NR_DRAM_BANKS before including this file.
 136 */
 137#ifndef CONFIG_NR_DRAM_BANKS
 138#define CONFIG_NR_DRAM_BANKS            1
 139#endif
 140#define CONFIG_SYS_SDRAM_BASE           0x80000000
 141
 142#ifndef CONFIG_SYS_INIT_SP_ADDR
 143#define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
 144                                                GENERATED_GBL_DATA_SIZE)
 145#endif
 146
 147/* Timer information. */
 148#define CONFIG_SYS_PTV                  2       /* Divisor: 2^(PTV+1) => 8 */
 149
 150/*
 151 * Disable DM_* for SPL build and can be re-enabled after adding
 152 * DM support in SPL
 153 */
 154#ifdef CONFIG_SPL_BUILD
 155#undef CONFIG_DM_I2C
 156#endif
 157
 158/* I2C IP block */
 159#define CONFIG_I2C
 160#ifndef CONFIG_DM_I2C
 161#define CONFIG_SYS_I2C
 162#else
 163/*
 164 * Enable CONFIG_DM_I2C_COMPAT temporarily until all the i2c client
 165 * devices are adopted to DM
 166 */
 167#define CONFIG_DM_I2C_COMPAT
 168#endif
 169
 170/* MMC/SD IP block */
 171#define CONFIG_GENERIC_MMC
 172
 173/* McSPI IP block */
 174#define CONFIG_SPI
 175
 176/* GPIO block */
 177
 178/*
 179 * The following are general good-enough settings for U-Boot.  We set a
 180 * large malloc pool as we generally have a lot of DDR, and we opt for
 181 * function over binary size in the main portion of U-Boot as this is
 182 * generally easily constrained later if needed.  We enable the config
 183 * options that give us information in the environment about what board
 184 * we are on so we do not need to rely on the command prompt.  We set a
 185 * console baudrate of 115200 and use the default baud rate table.
 186 */
 187#define CONFIG_SYS_MALLOC_LEN           SZ_32M
 188#define CONFIG_BAUDRATE                 115200
 189#define CONFIG_ENV_VARS_UBOOT_CONFIG    /* Strongly encouraged */
 190#define CONFIG_ENV_OVERWRITE            /* Overwrite ethaddr / serial# */
 191
 192/* As stated above, the following choices are optional. */
 193#define CONFIG_SYS_LONGHELP
 194#define CONFIG_AUTO_COMPLETE
 195#define CONFIG_CMDLINE_EDITING
 196
 197/* We set the max number of command args high to avoid HUSH bugs. */
 198#define CONFIG_SYS_MAXARGS              64
 199
 200/* Console I/O Buffer Size */
 201#define CONFIG_SYS_CBSIZE               1024
 202/* Print Buffer Size */
 203#define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE \
 204                                        + sizeof(CONFIG_SYS_PROMPT) + 16)
 205/* Boot Argument Buffer Size */
 206#define CONFIG_SYS_BARGSIZE             CONFIG_SYS_CBSIZE
 207
 208/*
 209 * When we have SPI, NOR or NAND flash we expect to be making use of
 210 * mtdparts, both for ease of use in U-Boot and for passing information
 211 * on to the Linux kernel.
 212 */
 213#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) || defined(CONFIG_NAND_DAVINCI)
 214#define CONFIG_MTD_DEVICE               /* Required for mtdparts */
 215#define CONFIG_CMD_MTDPARTS
 216#endif
 217
 218#define CONFIG_SUPPORT_RAW_INITRD
 219
 220/*
 221 * Common filesystems support.  When we have removable storage we
 222 * enabled a number of useful commands and support.
 223 */
 224#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
 225#define CONFIG_DOS_PARTITION
 226#define CONFIG_FAT_WRITE
 227#define CONFIG_PARTITION_UUIDS
 228#define CONFIG_CMD_PART
 229#endif
 230
 231/*
 232 * Our platforms make use of SPL to initalize the hardware (primarily
 233 * memory) enough for full U-Boot to be loaded. We make use of the general
 234 * SPL framework found under common/spl/.  Given our generally common memory
 235 * map, we set a number of related defaults and sizes here.
 236 */
 237#if !defined(CONFIG_NOR_BOOT) && \
 238        !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
 239#define CONFIG_SPL_FRAMEWORK
 240
 241/*
 242 * We also support Falcon Mode so that the Linux kernel can be booted
 243 * directly from SPL. This is not currently available on HS devices.
 244 */
 245
 246/*
 247 * Place the image at the start of the ROM defined image space (per
 248 * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
 249 * downloaded image area minus 1KiB for scratch space.  We initalize DRAM as
 250 * soon as we can so that we can place stack, malloc and BSS there.  We load
 251 * U-Boot itself into memory at 0x80800000 for legacy reasons (to not conflict
 252 * with older SPLs).  We have our BSS be placed 2MiB after this, to allow for
 253 * the default Linux kernel address of 0x80008000 to work with most sized
 254 * kernels, in the Falcon Mode case.  We have the SPL malloc pool at the end
 255 * of the BSS area.  We suggest that the stack be placed at 32MiB after the
 256 * start of DRAM to allow room for all of the above (handled in Kconfig).
 257 */
 258#ifndef CONFIG_SYS_TEXT_BASE
 259#define CONFIG_SYS_TEXT_BASE            0x80800000
 260#endif
 261#ifndef CONFIG_SPL_BSS_START_ADDR
 262#define CONFIG_SPL_BSS_START_ADDR       0x80a00000
 263#define CONFIG_SPL_BSS_MAX_SIZE         0x80000         /* 512 KB */
 264#endif
 265#ifndef CONFIG_SYS_SPL_MALLOC_START
 266#define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SPL_BSS_START_ADDR + \
 267                                         CONFIG_SPL_BSS_MAX_SIZE)
 268#define CONFIG_SYS_SPL_MALLOC_SIZE      SZ_8M
 269#endif
 270#ifndef CONFIG_SPL_MAX_SIZE
 271#define CONFIG_SPL_MAX_SIZE             (SRAM_SCRATCH_SPACE_ADDR - \
 272                                         CONFIG_SPL_TEXT_BASE)
 273#endif
 274
 275
 276/* FAT sd card locations. */
 277#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION      1
 278#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
 279
 280#ifdef CONFIG_SPL_OS_BOOT
 281/* FAT */
 282#define CONFIG_SPL_FS_LOAD_KERNEL_NAME          "uImage"
 283#define CONFIG_SPL_FS_LOAD_ARGS_NAME            "args"
 284
 285/* RAW SD card / eMMC */
 286#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900   /* address 0x120000 */
 287#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR   0x80    /* address 0x10000 */
 288#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS  0x80    /* 64KiB */
 289
 290/* spl export command */
 291#define CONFIG_CMD_SPL
 292#endif
 293
 294#define CONFIG_SYS_THUMB_BUILD
 295
 296/* General parts of the framework, required. */
 297#define CONFIG_SPL_BOARD_INIT
 298
 299#ifdef CONFIG_NAND
 300#define CONFIG_SPL_NAND_BASE
 301#define CONFIG_SPL_NAND_DRIVERS
 302#define CONFIG_SPL_NAND_ECC
 303#define CONFIG_SYS_NAND_U_BOOT_START    CONFIG_SYS_TEXT_BASE
 304#endif
 305#endif /* !CONFIG_NOR_BOOT */
 306
 307/* Generic Environment Variables */
 308
 309#ifdef CONFIG_CMD_NET
 310#define NETARGS \
 311        "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
 312                "::off\0" \
 313        "nfsopts=nolock\0" \
 314        "rootpath=/export/rootfs\0" \
 315        "netloadimage=tftp ${loadaddr} ${bootfile}\0" \
 316        "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
 317        "netargs=setenv bootargs console=${console} " \
 318                "${optargs} " \
 319                "root=/dev/nfs " \
 320                "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
 321                "ip=dhcp\0" \
 322        "netboot=echo Booting from network ...; " \
 323                "setenv autoload no; " \
 324                "dhcp; " \
 325                "run netloadimage; " \
 326                "run netloadfdt; " \
 327                "run netargs; " \
 328                "bootz ${loadaddr} - ${fdtaddr}\0"
 329#else
 330#define NETARGS ""
 331#endif
 332
 333#include <config_distro_defaults.h>
 334
 335#endif  /* __CONFIG_TI_ARMV7_COMMON_H__ */
 336