doc/README.phytec.pcm030

   1 To build RAMBOOT, replace this section the main Makefile
   2
   3 pcm030_config \
   4 pcm030_RAMBOOT_config \
   5 pcm030_LOWBOOT_config:  unconfig
   6         @ >include/config.h
   7         @[ -z "$(findstring LOWBOOT_,$@)" ] || \
   8                 { echo "CONFIG_SYS_TEXT_BASE = 0xFF000000"      >board/phytec/pcm030/config.tmp ; \
   9                   echo "... with LOWBOOT configuration" ; \
  10                 }
  11         @[ -z "$(findstring RAMBOOT_,$@)" ] || \
  12                { echo "CONFIG_SYS_TEXT_BASE = 0x00100000" >board/phycore_mpc5200b_tiny/\
  13                         config.tmp ; \
  14                  echo "... with RAMBOOT configuration" ; \
  15                  echo "... remember to make sure that MBAR is already \
  16                                 switched to 0xF0000000 !!!" ; \
  17                }
  18         @$(MKCONFIG) -a pcm030 ppc mpc5xxx pcm030 phytec
  19         @ echo "remember to set pcm030_REV to 0 for rev 1245.0 rev or to 1 for rev 1245.1"
  20
  21 Alternative SDRAM settings:
  22
  23 #define SDRAM_MODE      0x018D0000
  24 #define SDRAM_EMODE     0x40090000
  25 #define SDRAM_CONTROL   0x715f0f00
  26 #define SDRAM_CONFIG1   0x73722930
  27 #define SDRAM_CONFIG2   0x47770000
  28
  29 /* Settings for XLB = 99 MHz */
  30 #define SDRAM_MODE      0x008D0000
  31 #define SDRAM_EMODE     0x40090000
  32 #define SDRAM_CONTROL   0x714b0f00
  33 #define SDRAM_CONFIG1   0x63611730
  34 #define SDRAM_CONFIG2   0x47670000
  35
  36 The board ships default with the environment in EEPROM
  37 Moving the environment to flash can be more reliable
  38
  39 #define CONFIG_ENV_IS_IN_FLASH  1
  40 #define CONFIG_ENV_ADDR         (CONFIG_SYS_FLASH_BASE + 0xfe0000)
  41 #define CONFIG_ENV_SIZE         0x20000
  42 #define CONFIG_ENV_SECT_SIZE    0x20000