Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx

[u-boot] / board / freescale / mx28evk / README

diff --git a/board/freescale/mx28evk/README b/board/freescale/mx28evk/README
index 524f3fc494598afcce603d3e10795b2e4c1c53a7..f9d6324114191f629fbc8b823555ea20d6eccc1b 100644 (file)
--- a/board/freescale/mx28evk/README
+++ b/board/freescale/mx28evk/README
@@ -1,7 +1,7 @@
 FREESCALE MX28EVK
 ==================
 
-Supported hardware: only MX28EVK rev D is supported in U-boot.
+Supported hardware: MX28EVK rev C and D are supported in U-boot.
 
 Files of the MX28EVK port
 --------------------------
@@ -23,17 +23,29 @@ To boot MX28EVK from an SD card, set the boot mode DIP switches as:
    * VDD 5V: To the left (off)
    * Hold Button: Down (off)
 
+To boot MX28EVK from SPI NOR flash, set the boot mode DIP switches as:
+
+   * Boot Mode Select: 0 0 1 0 (Boot from SSP2)
+   * JTAG PSWITCH RESET: To the right (reset disabled)
+   * Battery Source: Down
+   * Wall 5V: Up
+   * VDD 5V: To the left (off)
+   * Hold Button: Down (off)
 
 Environment Storage
 -------------------
 
-There are two targets for mx28evk:
+There are three targets for mx28evk:
+
+"make mx28evk_config"          - store environment variables into MMC
+
+or
 
-"make mx28evk_config"          - store enviroment variables into MMC
+"make mx28evk_nand_config"     - store environment variables into NAND flash
 
 or
 
-"make mx28evk_nand_config"     - store enviroment variables into NAND flash
+"make mx28evk_spi_config"       - store enviroment variables into SPI NOR flash
 
 Choose the target accordingly.
 
@@ -41,6 +53,10 @@ Note: The mx28evk board does not come with a NAND flash populated from the
 factory. It comes with an empty slot (U23), which allows the insertion of a
 48-pin TSOP flash device.
 
-Follow the instructions from doc/README.mxs to generate a bootable SD card.
+mx28evk does not come with SPI NOR flash populated from the factory either.
+It is possible to solder a SOIC memory on U49 or use a DIP8 on J89.
+To get SPI communication to work R320, R321,R322 and C178 need to be populated.
+Look in the schematics for the proper component values.
 
-Insert the SD card in slot 0, power up the board and U-boot will boot.
+Follow the instructions from doc/README.mxs to generate a bootable SD card or
+to generate a binary to be flashed into SPI NOR.