From 130080874a3d28450098481a262c5f7c855e908d Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 25 Nov 2007 02:51:17 +0900 Subject: sh: Add document for SuperH. This document is a summary of information concerning SuperH of U-Boot. Signed-off-by: Nobuhiro Iwamatsu --- doc/README.sh | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 doc/README.sh (limited to 'doc/README.sh') diff --git a/doc/README.sh b/doc/README.sh new file mode 100644 index 000000000..0441a7a64 --- /dev/null +++ b/doc/README.sh @@ -0,0 +1,62 @@ + +U-Boot for Renesas SuperH + Last update 08/10/2007 by Nobuhiro Iwamatsu + +================================================================================ +0. What's this? + This file contains status information for the port of U-Boot to the + Renesas SuperH series of CPUs. + +================================================================================ +1. Overview + SuperH has an original boot loader. However, source code is dirty, and + maintenance is not done. + To improve sharing and the maintenance of the code, Nobuhiro Iwamatsu + started the porting to u-boot in 2007. + +================================================================================ +2. Supported CPUs + + 2.1. Renesas SH7750/SH7750R + 2.2. Renesas SH7722 + +================================================================================ +3. Supported Boards + + 3.1. Hitachi UL MS7750SE01/MS7750RSE01 + Board specific code is in board/ms7750se + To use this board, type "make ms7750se_config". + + 3.2. Hitachi UL MS7722SE01 + Board specific code is in board/ms7722se + To use this board, type "make ms7722se_config". + + ** README ** + In SuperH, S-record and binary of made u-boot work on the memory. + When u-boot is written in the flash, it is necessary to change the + address by using 'objcopy'. + ex) shX-linux-objcopy -Ibinary -Osrec u-boot.bin u-boot.flash.srec + +================================================================================ +4. Compiler + You can use the following of u-boot to compile. + - SuperH Linux Open site + http://www.superh-linux.org/ + - KPIT GNU tools + http://www.kpitgnutools.com/ + +================================================================================ +5. Future + I plan to support the following CPUs and boards. + 5.1. CPUs + - SH7710/SH7712 (SH3) + - SH7780(SH4) + - SH7785(SH4) + + 5.2. Boards + - Many boards ;-) + +================================================================================ +Copyright (c) 2007 + Nobuhiro Iwamatsu + -- cgit v1.2.3