-U-Boot for Renesas SuperH
- Last update 08/10/2007 by Nobuhiro Iwamatsu
+U-Boot for Renesas SuperH
+ Last update 01/18/2008 by Nobuhiro Iwamatsu
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0. What's this?
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1. Overview
- SuperH has an original boot loader. However, source code is dirty, and
+ 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.
+ To improve sharing and the maintenance of the code, Nobuhiro Iwamatsu
+ started the porting to u-boot in 2007.
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2. Supported CPUs
2.1. Renesas SH7750/SH7750R
+ This CPU has the SH4 core.
+
2.2. Renesas SH7722
+ This CPU has the SH4AL-DSP core.
+
+ 2.3. Renesas SH7720
+ This CPU has the SH3 core.
+
+ 2.4. Renesas SH7710/SH7712
+ This CPU has the SH3-DSP core and Ethernet controller.
+
+ 2.5. Renesas SH7780
+ This CPU has the SH4A core.
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3. Supported Boards
3.1. Hitachi UL MS7750SE01/MS7750RSE01
Board specific code is in board/ms7750se
To use this board, type "make ms7750se_config".
+ Support devices are :
+ - SCIF
+ - SDRAM
+ - NOR Flash
+ - Marubun PCMCIA
3.2. Hitachi UL MS7722SE01
Board specific code is in board/ms7722se
To use this board, type "make ms7722se_config".
+ Support devices are :
+ - SCIF
+ - SDRAM
+ - NOR Flash
+ - Marubun PCMCIA
+ - SMC91x ethernet
+
+ 3.2. Hitachi UL MS7720ERP01
+ Board specific code is in board/ms7720se
+ To use this board, type "make ms7720se_config".
+ Support devices are :
+ - SCIF
+ - SDRAM
+ - NOR Flash
+ - Marubun PCMCIA
+
+ 3.3. Renesas R7780MP
+ Board specific code is in board/r7780mp
+ To use this board, type "make r7780mp_config".
+ Support devices are :
+ - SCIF
+ - DDR-SDRAM
+ - NOR Flash
+ - Compact Flash
+ - ASIX ethernet
+ - SH7780 PCI bridge
+ - RTL8110 ethernet
** 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'.
+ 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
-
+
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4. Compiler
- You can use the following of u-boot to compile.
+ You can use the following of u-boot to compile.
- SuperH Linux Open site
http://www.superh-linux.org/
- KPIT GNU tools
5. Future
I plan to support the following CPUs and boards.
5.1. CPUs
- - SH7710/SH7712 (SH3)
- - SH7780(SH4)
+ - SH7751R(SH4)
- SH7785(SH4)
-
+
5.2. Boards
- Many boards ;-)
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-Copyright (c) 2007
+Copyright (c) 2007,2008
Nobuhiro Iwamatsu <iwamatsu@nigaur.org>
-