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U-Boot for Renesas SuperH |
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Last update 01/18/2008 by Nobuhiro Iwamatsu |
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================================================================================ 0. What's this? This file contains status information for the port of U-Boot to the Renesas SuperH series of CPUs. ================================================================================ 1. Overview |
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SuperH has an original boot loader. However, source code is dirty, and |
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maintenance is not done. |
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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 |
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This CPU has the SH4 core. |
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2.2. Renesas SH7722 |
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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". |
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Support devices are : - SCIF - SDRAM - NOR Flash - Marubun PCMCIA |
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3.2. Hitachi UL MS7722SE01 Board specific code is in board/ms7722se To use this board, type "make ms7722se_config". |
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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 |
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** README ** In SuperH, S-record and binary of made u-boot work on the memory. |
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When u-boot is written in the flash, it is necessary to change the address by using 'objcopy'. |
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ex) shX-linux-objcopy -Ibinary -Osrec u-boot.bin u-boot.flash.srec |
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================================================================================ 4. Compiler |
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You can use the following of u-boot to compile. |
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- 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 |
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- SH7751R(SH4) |
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- SH7785(SH4) |
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5.2. Boards - Many boards ;-) ================================================================================ |
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Copyright (c) 2007,2008 |
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Nobuhiro Iwamatsu <iwamatsu@nigaur.org> |