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 #define CONFIG_JFFS2_CMDLINE
  13
  14 /* EEprom support 24C08, 24C16, 24C64 */
  15 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
  16 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       3  /* 8 Byte write page */
  17 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10
  18
  19 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
  20
  21 /* Reserve 4 MB for malloc */
  22 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  23
  24 /* Increase max size of compressed kernel */
  25 #define CONFIG_SYS_BOOTM_LEN            0x2000000     /* 32 MB */
  26
  27 /******************************************************************************
  28  * (PRAM usage)
  29  * ... -------------------------------------------------------
  30  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
  31  * ... |<------------------- pram -------------------------->|
  32  * ... -------------------------------------------------------
  33  * @END_OF_RAM:
  34  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
  35  * @CONFIG_KM_PHRAM: address for /var
  36  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
  37  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
  38  */
  39
  40 /* size of rootfs in RAM */
  41 #define CONFIG_KM_ROOTFSSIZE    0x0
  42 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
  43  * is not valid yet, which is the case for when u-boot copies itself to RAM */
  44 #define CONFIG_PRAM             ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
  45
  46 /* architecture specific default bootargs */
  47 #define CONFIG_KM_DEF_BOOT_ARGS_CPU             ""
  48
  49 #define CONFIG_KM_DEF_ENV_CPU                                           \
  50         "u-boot="CONFIG_HOSTNAME "/u-boot.bin\0"                \
  51         "update="                                                       \
  52                 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
  53                 "erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
  54                 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)     \
  55                 "  ${filesize} && "                                     \
  56                 "protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
  57         "set_fdthigh=true\0"                                            \
  58         "checkfdt=true\0"                                               \
  59         "bootm_mapsize=" __stringify(CONFIG_SYS_BOOTM_LEN) "\0"         \
  60         ""
  61
  62 #endif /* __CONFIG_KEYMILE_POWERPC_H */