common/fdt_support.c: Fix compile warnings

[karo-tx-uboot.git] / doc / README.mpc8315erdb

diff --git a/doc/README.mpc8315erdb b/doc/README.mpc8315erdb
index c630cf88b3d2a64bdadc0d00b90d83ce7a1792d3..b32132d0533eba9a5004cc9341008be6ff9e5f73 100644 (file)
--- a/doc/README.mpc8315erdb
+++ b/doc/README.mpc8315erdb
@@ -3,10 +3,10 @@ Freescale MPC8315ERDB Board
 
 1.     Board Switches and Jumpers
 
-       S3 is used to set CFG_RESET_SOURCE.
+       S3 is used to set CONFIG_SYS_RESET_SOURCE.
 
        To boot the image at 0xFE000000 in NOR flash, use these DIP
-       switche settings for S3 S4:
+       switch settings for S3 S4:
 
        +------+        +------+
        |      |        | **** |
@@ -15,6 +15,18 @@ Freescale MPC8315ERDB Board
          4321            4321
        (where the '*' indicates the position of the tab of the switch.)
 
+       To boot the image at the beginning of NAND flash, use these
+       DIP switch settings for S3 S4:
+
+       +------+        +------+
+       | *    |        |  *** |
+       |  *** |        | *    |
+       +------+ ON     +------+ ON
+         4321            4321
+       (where the '*' indicates the position of the tab of the switch.)
+
+       When booting from NAND, use u-boot-nand.bin, not u-boot.bin.
+
 2.     Memory Map
        The memory map looks like this:
 
@@ -26,6 +38,9 @@ Freescale MPC8315ERDB Board
        0xe060_0000     0xe060_7fff     NAND FLASH (CS1) 32K
        0xfe00_0000     0xfe7f_ffff     NOR FLASH (CS0)  8M
 
+       When booting from NAND, NAND flash is CS0 and NOR flash
+       is CS1.
+
 3.     Definitions
 
 3.1    Explanation of NEW definitions in:
@@ -43,13 +58,15 @@ Freescale MPC8315ERDB Board
 
        export CROSS_COMPILE=your-cross-compiler-prefix-
        make distclean
-       make MPC8315ERDB_config
+       make MPC8315ERDB_config (or MPC8315ERDB_NAND_config for u-boot-nand.bin)
        make all
 
 5.     Downloading and Flashing Images
 
 5.1    Reflash U-boot Image using U-boot
 
+       NOR flash:
+
        tftp 40000 u-boot.bin
        protect off all
        erase fe000000 fe1fffff
@@ -60,6 +77,15 @@ Freescale MPC8315ERDB Board
        You have to supply the correct byte count with 'xxxx'
        from the TFTP result log.
 
+       NAND flash:
+
+       =>tftpboot $loadaddr <filename>
+       =>nand erase 0 0x80000
+       =>nand write $loadaddr 0 0x80000
+
+       ...where 0x80000 is the filesize rounded up to
+       the next 0x20000 increment.
+
 5.2    Downloading and Booting Linux Kernel
 
        Ensure that all networking-related environment variables are set
@@ -76,5 +102,4 @@ Freescale MPC8315ERDB Board
 
 6      Notes
 
-       Booting from NAND flash is not yet supported.
        The console baudrate for MPC8315ERDB is 115200bps.