include/configs/km/km-powerpc.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2011
   4  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   5  */
   6
   7 #ifndef __CONFIG_KEYMILE_POWERPC_H
   8 #define __CONFIG_KEYMILE_POWERPC_H
   9
  10 /* Do boardspecific init for all boards */
  11
  12 /* EEprom support 24C08, 24C16, 24C64 */
  13 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
  14
  15 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
  16
  17 /* Reserve 4 MB for malloc */
  18 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  19
  20 /* Increase max size of compressed kernel */
  21 #define CONFIG_SYS_BOOTM_LEN            0x2000000     /* 32 MB */
  22
  23 /******************************************************************************
  24  * (PRAM usage)
  25  * ... -------------------------------------------------------
  26  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
  27  * ... |<------------------- pram -------------------------->|
  28  * ... -------------------------------------------------------
  29  * @END_OF_RAM:
  30  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
  31  * @CONFIG_KM_PHRAM: address for /var
  32  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
  33  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
  34  */
  35
  36 /* size of rootfs in RAM */
  37 #define CONFIG_KM_ROOTFSSIZE    0x0
  38 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
  39  * is not valid yet, which is the case for when u-boot copies itself to RAM */
  40 #define CONFIG_PRAM             ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
  41
  42 /* architecture specific default bootargs */
  43 #define CONFIG_KM_DEF_BOOT_ARGS_CPU             ""
  44
  45 #define CONFIG_KM_DEF_ENV_CPU                                           \
  46         "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0"                \
  47         "update="                                                       \
  48                 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
  49                 "erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
  50                 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)     \
  51                 "  ${filesize} && "                                     \
  52                 "protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
  53         "set_fdthigh=true\0"                                            \
  54         "checkfdt=true\0"                                               \
  55         "bootm_mapsize=" __stringify(CONFIG_SYS_BOOTM_LEN) "\0"         \
  56         ""
  57
  58 #endif /* __CONFIG_KEYMILE_POWERPC_H */