mirror of
https://github.com/AsahiLinux/u-boot
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107 lines
2.2 KiB
ReStructuredText
107 lines
2.2 KiB
ReStructuredText
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.. SPDX-License-Identifier: GPL-2.0+
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.. Copyright (c) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigaur.org>
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SuperH
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======
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What's this?
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------------
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This file contains status information for the port of U-Boot to the
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Renesas SuperH series of CPUs.
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Overview
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--------
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SuperH has an original boot loader. However, source code is dirty, and
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maintenance is not done. To improve sharing and the maintenance of the code,
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Nobuhiro Iwamatsu started the porting to U-Boot in 2007.
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Supported CPUs
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--------------
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Renesas SH7750/SH7750R
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^^^^^^^^^^^^^^^^^^^^^^
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This CPU has the SH4 core.
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Renesas SH7722
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^^^^^^^^^^^^^^
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This CPU has the SH4AL-DSP core.
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Renesas SH7780
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^^^^^^^^^^^^^^
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This CPU has the SH4A core.
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Supported Boards
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----------------
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Hitachi UL MS7750SE01/MS7750RSE01
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Board specific code is in board/ms7750se
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To use this board, type "make ms7750se_config".
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Support devices are:
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- SCIF
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- SDRAM
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- NOR Flash
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- Marubun PCMCIA
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Hitachi UL MS7722SE01
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^^^^^^^^^^^^^^^^^^^^^
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Board specific code is in board/ms7722se
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To use this board, type "make ms7722se_config".
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Support devices are:
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- SCIF
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- SDRAM
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- NOR Flash
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- Marubun PCMCIA
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- SMC91x ethernet
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Hitachi UL MS7720ERP01
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^^^^^^^^^^^^^^^^^^^^^^
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Board specific code is in board/ms7720se
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To use this board, type "make ms7720se_config".
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Support devices are:
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- SCIF
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- SDRAM
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- NOR Flash
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- Marubun PCMCIA
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Renesas R7780MP
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^^^^^^^^^^^^^^^
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Board specific code is in board/r7780mp
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To use this board, type "make r7780mp_config".
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Support devices are:
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- SCIF
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- DDR-SDRAM
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- NOR Flash
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- Compact Flash
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- ASIX ethernet
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- SH7780 PCI bridge
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- RTL8110 ethernet
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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
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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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Compiler
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--------
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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/>`_
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- `KPIT GNU tools <http://www.kpitgnutools.com/>`_
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Future
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------
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I plan to support the following CPUs and boards.
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CPUs
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^^^^
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- SH7751R(SH4)
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Boards
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^^^^^^
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Many boards ;-)
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