include/configs/km/km-powerpc.h

   1 /*
   2  * (C) Copyright 2011
   3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __CONFIG_KEYMILE_POWERPC_H
   9 #define __CONFIG_KEYMILE_POWERPC_H
  10
  11 /* Do boardspecific init for all boards */
  12 #define CONFIG_BOARD_EARLY_INIT_R
  13 #define CONFIG_LAST_STAGE_INIT
  14
  15 #define CONFIG_BOOTCOUNT_LIMIT
  16
  17 #define CONFIG_CMD_DTT
  18 #define CONFIG_JFFS2_CMDLINE
  19
  20 /* Pass open firmware flat tree */
  21 #define CONFIG_OF_LIBFDT
  22 #define CONFIG_OF_BOARD_SETUP
  23
  24 /* standard km ethernet_present for piggy */
  25 #define CONFIG_KM_COMMON_ETH_INIT
  26
  27 /* EEprom support 24C08, 24C16, 24C64 */
  28 #define CONFIG_SYS_I2C_MULTI_EEPROMS
  29 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
  30 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       3  /* 8 Byte write page */
  31 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10
  32
  33 #define CONFIG_ENV_SIZE         0x04000         /* Size of Environment */
  34 #define CONFIG_FLASH_CFI_MTD
  35
  36 #define CONFIG_SYS_MEMTEST_START 0x00100000     /* memtest works on */
  37
  38 #define CONFIG_SYS_MEMTEST_END  0x00f00000      /* 1 ... 15 MB in DRAM  */
  39
  40 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
  41
  42 /* Reserve 4 MB for malloc */
  43 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  44
  45 /******************************************************************************
  46  * (PRAM usage)
  47  * ... -------------------------------------------------------
  48  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
  49  * ... |<------------------- pram -------------------------->|
  50  * ... -------------------------------------------------------
  51  * @END_OF_RAM:
  52  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
  53  * @CONFIG_KM_PHRAM: address for /var
  54  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
  55  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
  56  */
  57
  58 /* size of rootfs in RAM */
  59 #define CONFIG_KM_ROOTFSSIZE    0x0
  60 /* pseudo-non volatile RAM [hex] */
  61 #define CONFIG_KM_PNVRAM        0x80000
  62 /* physical RAM MTD size [hex] */
  63 #define CONFIG_KM_PHRAM         0x100000
  64 /* resereved pram area at the end of memroy [hex] */
  65 #define CONFIG_KM_RESERVED_PRAM 0x0
  66 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
  67  * is not valid yet, which is the case for when u-boot copies itself to RAM */
  68 #define CONFIG_PRAM             ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
  69
  70 #define CONFIG_KM_CRAMFS_ADDR   0xC00000
  71 #define CONFIG_KM_KERNEL_ADDR   0x400000        /* 7680Kbytes */
  72 #define CONFIG_KM_FDT_ADDR      0xB80000        /* 512Kbytes */
  73
  74 /* architecture specific default bootargs */
  75 #define CONFIG_KM_DEF_BOOT_ARGS_CPU             ""
  76
  77 #define CONFIG_KM_DEF_ENV_CPU                                           \
  78         "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"           \
  79         "update="                                                       \
  80                 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
  81                 "erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
  82                 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)     \
  83                 "  ${filesize} && "                                     \
  84                 "protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
  85         "set_fdthigh=true\0"                                            \
  86         "checkfdt=true\0"                                               \
  87         ""
  88
  89 #endif /* __CONFIG_KEYMILE_POWERPC_H */