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_JFFS2_CMDLINE
  16
  17 /* standard km ethernet_present for piggy */
  18 #define CONFIG_KM_COMMON_ETH_INIT
  19
  20 /* EEprom support 24C08, 24C16, 24C64 */
  21 #define CONFIG_SYS_EEPROM_PAGE_WRITE_ENABLE
  22 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS       3  /* 8 Byte write page */
  23 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS   10
  24
  25 #define CONFIG_ENV_SIZE         0x04000         /* Size of Environment */
  26 #define CONFIG_FLASH_CFI_MTD
  27
  28 #define CONFIG_SYS_MEMTEST_START 0x00100000     /* memtest works on */
  29
  30 #define CONFIG_SYS_MEMTEST_END  0x00f00000      /* 1 ... 15 MB in DRAM  */
  31
  32 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
  33
  34 /* Reserve 4 MB for malloc */
  35 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
  36
  37 /******************************************************************************
  38  * (PRAM usage)
  39  * ... -------------------------------------------------------
  40  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
  41  * ... |<------------------- pram -------------------------->|
  42  * ... -------------------------------------------------------
  43  * @END_OF_RAM:
  44  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
  45  * @CONFIG_KM_PHRAM: address for /var
  46  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
  47  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
  48  */
  49
  50 /* size of rootfs in RAM */
  51 #define CONFIG_KM_ROOTFSSIZE    0x0
  52 /* pseudo-non volatile RAM [hex] */
  53 #define CONFIG_KM_PNVRAM        0x80000
  54 /* physical RAM MTD size [hex] */
  55 #define CONFIG_KM_PHRAM         0x100000
  56 /* resereved pram area at the end of memroy [hex] */
  57 #define CONFIG_KM_RESERVED_PRAM 0x0
  58 /* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
  59  * is not valid yet, which is the case for when u-boot copies itself to RAM */
  60 #define CONFIG_PRAM             ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
  61
  62 #define CONFIG_KM_CRAMFS_ADDR   0xC00000
  63 #define CONFIG_KM_KERNEL_ADDR   0x400000        /* 7680Kbytes */
  64 #define CONFIG_KM_FDT_ADDR      0xB80000        /* 512Kbytes */
  65
  66 /* architecture specific default bootargs */
  67 #define CONFIG_KM_DEF_BOOT_ARGS_CPU             ""
  68
  69 #define CONFIG_KM_DEF_ENV_CPU                                           \
  70         "u-boot="__stringify(CONFIG_HOSTNAME) "/u-boot.bin\0"           \
  71         "update="                                                       \
  72                 "protect off " __stringify(BOOTFLASH_START) " +${filesize} && "\
  73                 "erase " __stringify(BOOTFLASH_START) "  +${filesize} && "\
  74                 "cp.b ${load_addr_r} " __stringify(BOOTFLASH_START)     \
  75                 "  ${filesize} && "                                     \
  76                 "protect on " __stringify(BOOTFLASH_START) "  +${filesize}\0"\
  77         "set_fdthigh=true\0"                                            \
  78         "checkfdt=true\0"                                               \
  79         ""
  80
  81 #endif /* __CONFIG_KEYMILE_POWERPC_H */