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| author | Bin Meng <bmeng.cn@gmail.com> | 2019-07-18 00:34:32 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-07-24 10:10:08 -0400 |
| commit | f25c3690968b89abc18256d642fbfd00cc67d3af (patch) | |
| tree | 464b434b086ab9c74abbb5c96284eaa2e3bf36ad /doc/arch | |
| parent | 86f60a411d64efdac0c4abd81a47a2f25f98b1be (diff) | |
| download | u-boot-f25c3690968b89abc18256d642fbfd00cc67d3af.tar.gz u-boot-f25c3690968b89abc18256d642fbfd00cc67d3af.tar.xz u-boot-f25c3690968b89abc18256d642fbfd00cc67d3af.zip | |
doc: arch: Convert README.sh to reST
Convert plain text documentation to reStructuredText format and add
it to Sphinx TOC tree. No essential content change.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'doc/arch')
| -rw-r--r-- | doc/arch/index.rst | 1 | ||||
| -rw-r--r-- | doc/arch/sh.rst | 106 |
2 files changed, 107 insertions, 0 deletions
diff --git a/doc/arch/index.rst b/doc/arch/index.rst index ee90ec15be..d24662e361 100644 --- a/doc/arch/index.rst +++ b/doc/arch/index.rst @@ -12,4 +12,5 @@ Architecture-specific doc mips nds32 nios2 + sh x86 diff --git a/doc/arch/sh.rst b/doc/arch/sh.rst new file mode 100644 index 0000000000..3a3f92dd3e --- /dev/null +++ b/doc/arch/sh.rst @@ -0,0 +1,106 @@ +.. SPDX-License-Identifier: GPL-2.0+ +.. Copyright (c) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigaur.org> + +SuperH +====== + +What's this? +------------ +This file contains status information for the port of U-Boot to the +Renesas SuperH series of CPUs. + +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. + +Supported CPUs +-------------- + +Renesas SH7750/SH7750R +^^^^^^^^^^^^^^^^^^^^^^ +This CPU has the SH4 core. + +Renesas SH7722 +^^^^^^^^^^^^^^ +This CPU has the SH4AL-DSP core. + +Renesas SH7780 +^^^^^^^^^^^^^^ +This CPU has the SH4A core. + +Supported Boards +---------------- + +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 + +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 + +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 + +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 + +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 + +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/>`_ + +Future +------ +I plan to support the following CPUs and boards. + +CPUs +^^^^ +- SH7751R(SH4) + +Boards +^^^^^^ +Many boards ;-) |