include/configs/km/km-powerpc.h

   1 /*
   2  * (C) Copyright 2011
   3  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #ifndef __CONFIG_KEYMILE_POWERPC_H
  25 #define __CONFIG_KEYMILE_POWERPC_H
  26
  27 #define CONFIG_BOOTCOUNT_LIMIT
  28
  29 #define CONFIG_CMD_DTT
  30 #define CONFIG_JFFS2_CMDLINE
  31
  32 #define CONFIG_ENV_SIZE         0x04000         /* Size of Environment */
  33 #define CONFIG_FLASH_CFI_MTD
  34
  35 #define CONFIG_SYS_MEMTEST_START 0x00100000     /* memtest works on */
  36
  37 #define CONFIG_SYS_MEMTEST_END  0x00f00000      /* 1 ... 15 MB in DRAM  */
  38
  39 #define CONFIG_SYS_LOAD_ADDR    0x100000        /* default load address */
  40
  41 /******************************************************************************
  42  * (PRAM usage)
  43  * ... -------------------------------------------------------
  44  * ... |ROOTFSSIZE | PNVRAM |PHRAM |RESERVED_PRAM | END_OF_RAM
  45  * ... |<------------------- pram -------------------------->|
  46  * ... -------------------------------------------------------
  47  * @END_OF_RAM:
  48  * @CONFIG_KM_RESERVED_PRAM: reserved pram for special purpose
  49  * @CONFIG_KM_PHRAM: address for /var
  50  * @CONFIG_KM_PNVRAM: address for PNVRAM (for the application)
  51  * @CONFIG_KM_ROOTFSSIZE: address for rootfilesystem in RAM
  52  */
  53
  54 /* size of rootfs in RAM */
  55 #define CONFIG_KM_ROOTFSSIZE    0x0
  56 /* pseudo-non volatile RAM [hex] */
  57 #define CONFIG_KM_PNVRAM        0x80000
  58 /* physical RAM MTD size [hex] */
  59 #define CONFIG_KM_PHRAM         0x100000
  60 /* resereved pram area at the end of memroy [hex] */
  61 #define CONFIG_KM_RESERVED_PRAM 0x0
  62 /* enable protected RAM */
  63 #define CONFIG_PRAM             0
  64
  65 #define CONFIG_KM_CRAMFS_ADDR   0x800000
  66 #define CONFIG_KM_KERNEL_ADDR   0x400000        /* 3968Kbytes */
  67 #define CONFIG_KM_FDT_ADDR      0x7E0000        /* 128Kbytes */
  68
  69 /* architecture specific default bootargs */
  70 #define CONFIG_KM_DEF_BOOT_ARGS_CPU             ""
  71
  72 #define CONFIG_KM_DEF_ENV_CPU                                           \
  73         "boot=bootm ${load_addr_r} - ${fdt_addr_r}\0"                   \
  74         "cramfsloadfdt="                                                \
  75                 "cramfsload ${fdt_addr_r} "                             \
  76                 "fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"             \
  77         "fdt_addr_r=" xstr(CONFIG_KM_FDT_ADDR) "\0"                     \
  78         "update="                                                       \
  79                 "protect off " xstr(BOOTFLASH_START) " +${filesize} && "\
  80                 "erase " xstr(BOOTFLASH_START) "  +${filesize} && "     \
  81                 "cp.b ${load_addr_r} " xstr(BOOTFLASH_START)            \
  82                 "  ${filesize} && "                                     \
  83                 "protect on " xstr(BOOTFLASH_START) "  +${filesize}\0"  \
  84         ""
  85
  86 #endif /* __CONFIG_KEYMILE_POWERPC_H */