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5b1d71372   wdenk   Initial revision 
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  This file contains basic information on the port of U-Boot to IPHASE4539
  (Interphase 4539 T1/E1/J1 PMC Communications Controller).
  All the changes fit in the common U-Boot infrastructure, providing a new
  IPHASE4539-specific entry in makefiles. To build U-Boot for IPHASE4539,
  type "make IPHASE4539_config", edit the "include/config_IPHASE4539.h"
  file if necessary, then type "make".
  
  
  Common file modifications:
  --------------------------
  
  The following common files have been modified by this project:
  (starting from the ppcboot-1.1.5/ directory)
  
  MAKEALL				- IPHASE4539 entry added
  Makefile			- IPHASE4539_config entry added
  
  
  New files:
  ----------
  
  The following new files have been added by this project:
  (starting from the ppcboot-1.1.5/ directory)
  
  board/iphase4539/		- board-specific directory
  board/iphase4539/Makefile	- board-specific makefile
  board/iphase4539/config.mk	- config file
  board/iphase4539/flash.c	- flash driver (for AM29LV033C)
  board/iphase4539/ppcboot.lds	- linker script
  board/iphase4539/iphase4539.c	- ioport and memory initialization
  include/config_IPHASE4539.h	- main configuration file
  
  
  New configuration options:
  --------------------------
  
  CONFIG_IPHASE4539
  
  	Main board-specific option (should be defined for IPHASE4539).
  
  
  Acceptance criteria tests:
  --------------------------
  
  The following tests have been conducted to validate the port of U-Boot
  to IPHASE4539:
  
  1. Operation on serial console:
  
  With SMC1 defined as console in the main configuration file, the U-Boot
  output appeared on the serial terminal connected to the 2.5mm stereo jack
  connector as follows:
  
  ------------------------------------------------------------------------------
  => help
5b1d71372   wdenk   Initial revision 
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  base    - print or set address offset
  bdinfo  - print Board Info structure
  bootm   - boot application image from memory
  bootp   - boot image via network using BootP/TFTP protocol
  bootd   - boot default, i.e., run 'bootcmd'
  cmp     - memory compare
  coninfo - print console devices and informations
  cp      - memory copy
  crc32   - checksum calculation
  dcache  - enable or disable data cache
  echo    - echo args to console
  erase   - erase FLASH memory
  flinfo  - print FLASH memory information
  go      - start application at address 'addr'
  help    - print online help
  icache  - enable or disable instruction cache
  iminfo  - print header information for application image
  loadb   - load binary file over serial line (kermit mode)
  loads   - load S-Record file over serial line
  loop    - infinite loop on address range
  md      - memory display
  mm      - memory modify (auto-incrementing)
  mtest   - simple RAM test
  mw      - memory write (fill)
  nm      - memory modify (constant address)
  printenv- print environment variables
  protect - enable or disable FLASH write protection
  rarpboot- boot image via network using RARP/TFTP protocol
  reset   - Perform RESET of the CPU
  run     - run commands in an environment variable
  saveenv - save environment variables to persistent storage
  setenv  - set environment variables
  sleep   - delay execution for some time
3202d3316   Peter Tyser   Remove deprecated... 
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  source  - run script from memory
5b1d71372   wdenk   Initial revision 
91
 
  tftpboot- boot image via network using TFTP protocol
8bde7f776   wdenk   * Code cleanup: 
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  	       and env variables ipaddr and serverip
5b1d71372   wdenk   Initial revision 
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  version - print monitor version
  ?       - alias for 'help'
  =>
  ------------------------------------------------------------------------------
  
  
  2. Flash driver operation
  
  The following sequence was performed to test the "flinfo" command:
  
  ------------------------------------------------------------------------------
  => flinfo
  
  Bank # 1: AMD AM29LV033C (32 Mbit, uniform sectors)
    Size: 4 MB in 64 Sectors
    Sector Start Addresses:
      FF800000 (RO) FF810000 (RO) FF820000      FF830000      FF840000
      FF850000      FF860000      FF870000      FF880000      FF890000
      FF8A0000      FF8B0000      FF8C0000      FF8D0000      FF8E0000
      FF8F0000      FF900000      FF910000      FF920000      FF930000
      FF940000      FF950000      FF960000      FF970000      FF980000
      FF990000      FF9A0000      FF9B0000      FF9C0000      FF9D0000
      FF9E0000      FF9F0000      FFA00000      FFA10000      FFA20000
      FFA30000      FFA40000      FFA50000      FFA60000      FFA70000
      FFA80000      FFA90000      FFAA0000      FFAB0000      FFAC0000
      FFAD0000      FFAE0000      FFAF0000      FFB00000 (RO) FFB10000 (RO)
      FFB20000 (RO) FFB30000 (RO) FFB40000      FFB50000      FFB60000
      FFB70000      FFB80000      FFB90000      FFBA0000      FFBB0000
      FFBC0000      FFBD0000      FFBE0000      FFBF0000
  ------------------------------------------------------------------------------
  
  Note: the Hardware Configuration Word (HWC) of the 8260 is on the
  first sector of the flash and should not be touched. The U-Boot
  environment variables are stored on second sector and U-Boot
  starts at the address 0xFFB00000.
  
  
  The following sequence was performed to test the erase command:
  
  ------------------------------------------------------------------------------
  => cp 0 ff880000 10
  Copy to Flash... done
  => md ff880000 20
  ff880000: ff000000 60000000 60000000 7c7f1b78    ....`...`...|..x
  ff880010: 7c9e2378 7cbd2b78 7cdc3378 7cfb3b78    |.#x|.+x|.3x|.;x
  ff880020: 3b000000 4811e0f5 48003719 480036a5    ;...H...H.7.H.6.
  ff880030: 480036f9 48003731 48005c5d 7c7a1b78    H.6.H.71H.\]|z.x
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  => erase ff880000 ff88ffff
  Erase Flash from 0xff880000 to 0xff88ffff
  .. done
  Erased 1 sectors
  => md ff880000
  ff880000: ffffffff ffffffff ffffffff ffffffff    ................
  ff880010: ffffffff ffffffff ffffffff ffffffff    ................
  ff880020: ffffffff ffffffff ffffffff ffffffff    ................
  ff880030: ffffffff ffffffff ffffffff ffffffff    ................
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  => cp 0 ff880000 10
  Copy to Flash... done
  => md ff880000 20
  ff880000: ff000000 60000000 60000000 7c7f1b78    ....`...`...|..x
  ff880010: 7c9e2378 7cbd2b78 7cdc3378 7cfb3b78    |.#x|.+x|.3x|.;x
  ff880020: 3b000000 4811e0f5 48003719 480036a5    ;...H...H.7.H.6.
  ff880030: 480036f9 48003731 48005c5d 7c7a1b78    H.6.H.71H.\]|z.x
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  => erase 1:8
  Erase Flash Sectors 8-8 in Bank # 1
  .. done
  => md ff880000 20
  ff880000: ffffffff ffffffff ffffffff ffffffff    ................
  ff880010: ffffffff ffffffff ffffffff ffffffff    ................
  ff880020: ffffffff ffffffff ffffffff ffffffff    ................
  ff880030: ffffffff ffffffff ffffffff ffffffff    ................
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  => cp 0 ff880000 10
  Copy to Flash... done
  => cp 0 ff890000 10
  => md ff880000 20
  ff880000: ff000000 60000000 60000000 7c7f1b78    ....`...`...|..x
  ff880010: 7c9e2378 7cbd2b78 7cdc3378 7cfb3b78    |.#x|.+x|.3x|.;x
  ff880020: 3b000000 4811e0f5 48003719 480036a5    ;...H...H.7.H.6.
  ff880030: 480036f9 48003731 48005c5d 7c7a1b78    H.6.H.71H.\]|z.x
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  => md ff890000
  ff890000: ff000000 60000000 60000000 7c7f1b78    ....`...`...|..x
  ff890010: 7c9e2378 7cbd2b78 7cdc3378 7cfb3b78    |.#x|.+x|.3x|.;x
  ff890020: 3b000000 4811e0f5 48003719 480036a5    ;...H...H.7.H.6.
  ff890030: 480036f9 48003731 48005c5d 7c7a1b78    H.6.H.71H.\]|z.x
  ff890040: ffffffff ffffffff ffffffff ffffffff    ................
  ff890050: ffffffff ffffffff ffffffff ffffffff    ................
  ff890060: ffffffff ffffffff ffffffff ffffffff    ................
  ff890070: ffffffff ffffffff ffffffff ffffffff    ................
  => erase 1:8-9
  Erase Flash Sectors 8-9 in Bank # 1
  .... done
  => md ff880000 20
  ff880000: ffffffff ffffffff ffffffff ffffffff    ................
  ff880010: ffffffff ffffffff ffffffff ffffffff    ................
  ff880020: ffffffff ffffffff ffffffff ffffffff    ................
  ff880030: ffffffff ffffffff ffffffff ffffffff    ................
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  => md ff890000
  ff890000: ffffffff ffffffff ffffffff ffffffff    ................
  ff890010: ffffffff ffffffff ffffffff ffffffff    ................
  ff890020: ffffffff ffffffff ffffffff ffffffff    ................
  ff890030: ffffffff ffffffff ffffffff ffffffff    ................
  ff890040: ffffffff ffffffff ffffffff ffffffff    ................
  ff890050: ffffffff ffffffff ffffffff ffffffff    ................
  ff890060: ffffffff ffffffff ffffffff ffffffff    ................
  ff890070: ffffffff ffffffff ffffffff ffffffff    ................
  =>
  ------------------------------------------------------------------------------
  
  
  The following sequence was performed to test the Flash programming commands:
  
  ------------------------------------------------------------------------------
  => erase ff880000 ff88ffff
  Erase Flash from 0xff880000 to 0xff88ffff
  .. done
  Erased 1 sectors
  => cp 0 ff880000 10
  Copy to Flash... done
  => md 0 20
  00000000: ff000000 60000000 60000000 7c7f1b78    ....`...`...|..x
  00000010: 7c9e2378 7cbd2b78 7cdc3378 7cfb3b78    |.#x|.+x|.3x|.;x
  00000020: 3b000000 4811e0f5 48003719 480036a5    ;...H...H.7.H.6.
  00000030: 480036f9 48003731 48005c5d 7c7a1b78    H.6.H.71H.\]|z.x
  00000040: 3c83c000 2c040000 40823378 7c0000a6    <...,...@.3x|...
  00000050: 60000030 7c1b03a6 3c00c000 600035ec    `..0|...<...`.5.
  00000060: 7c1a03a6 4c000064 00000000 00000000    |...L..d........
  00000070: 00000000 00000000 00000000 00000000    ................
  => md ff880000 20
  ff880000: ff000000 60000000 60000000 7c7f1b78    ....`...`...|..x
  ff880010: 7c9e2378 7cbd2b78 7cdc3378 7cfb3b78    |.#x|.+x|.3x|.;x
  ff880020: 3b000000 4811e0f5 48003719 480036a5    ;...H...H.7.H.6.
  ff880030: 480036f9 48003731 48005c5d 7c7a1b78    H.6.H.71H.\]|z.x
  ff880040: ffffffff ffffffff ffffffff ffffffff    ................
  ff880050: ffffffff ffffffff ffffffff ffffffff    ................
  ff880060: ffffffff ffffffff ffffffff ffffffff    ................
  ff880070: ffffffff ffffffff ffffffff ffffffff    ................
  =>
  ------------------------------------------------------------------------------
  
  
  The following sequence was performed to test storage of the environment
  variables in Flash:
  
  ------------------------------------------------------------------------------
  => setenv foo bar
  => saveenv
  Un-Protected 1 sectors
  Erasing Flash...
  .. done
  Erased 1 sectors
  Saving Environment to Flash...
  Protected 1 sectors
  => reset
  ...
  => printenv
  ...
  foo=bar
  ...
  Environment size: 339/65532 bytes
  =>
  ------------------------------------------------------------------------------
  
  
  The following sequence was performed to test image download and run over
  Ethernet interface (both interfaces were tested):
  
  ------------------------------------------------------------------------------
  => tftpboot 40000 hello_world.bin
  ARP broadcast 1
  TFTP from server 10.0.0.1; our IP address is 10.0.0.8
  Filename 'hello_world.bin'.
  Load address: 0x40000
  Loading: #############
  done
  Bytes transferred = 65932 (1018c hex)
  => go 40004
  ## Starting application at 0x00040004 ...
  Hello World
  argc = 1
  argv[0] = "40004"
  argv[1] = "<NULL>"
  Hit any key to exit ...
  
  ## Application terminated, rc = 0x0
  =>
  ------------------------------------------------------------------------------
  
  
  3. Known Problems
  
  None for the moment.
  
  
  ----------------------------------------------------------------------------
  U-Boot and Linux for Interphase 4539 T1/E1/J1 PMC Communications Controller
  ----------------------------------------------------------------------------
  
  U-Boot:
  
  	Configure and make U-Boot:
  
  	$ cd <path>/u-boot
  	$ make IPHASE4539_config
  	$ make dep
  	$ make
  	$ cp -p u-boot.bin /tftpboot
  
  	Load u-boot.bin into the Flash memory at 0xffb00000.
  
  
  Linux:
  
  	Configure and make Linux:
  
  	$ cd <patch>/linux-2.4
  	$ make IPHASE4539_config
  	$ make oldconfig
  	$ make dep
3bac35137   wdenk   * Patch by Josef ... 
335
 
  	$ make uImage
a47a12bec   Stefan Roese   Move arch/ppc to ... 
336
 
  	$ cp -p arch/powerpc/mbxboot/uImage /tftpboot
5b1d71372   wdenk   Initial revision 
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3bac35137
 
 wdenk
 
* Patch by Josef ...




338




  	Load uImage via tftp and boot it.









5b1d71372
 
 wdenk
 
Initial revision




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  Flash organisation:
  
  	The following preliminary layout of the Flash memory
  	is defined:
  
  	0xff800000 (   0    -   64 kB): Hardware Configuration Word.
  	0xff810000 (  64 kB -  128 kB): U-Boot Environment.
  	0xff820000 ( 128 kB -    3 MB): RAMdisk.
  	0xffb00000 (   3 MB - 3328 kB): U-Boot.
  	0xffb40000 (3328 KB -    4 MB): Linux Kernel.
  
  
  For further information concerning U-Boot and Linux please consult
  the "DENX U-Boot and Linux Guide".
  
  
  (C) 2002 Wolfgang Grandegger, DENX Software Engineering, wg@denx.de
  ===================================================================