| |
| U-Boot for Renesas SuperH |
| Last update 01/18/2008 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 |
| 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. |
| |
| ================================================================================ |
| 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'. |
| 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 |
| - SH7751R(SH4) |
| - SH7785(SH4) |
| |
| 5.2. Boards |
| - Many boards ;-) |
| |
| ================================================================================ |
| Copyright (c) 2007,2008 |
| Nobuhiro Iwamatsu <iwamatsu@nigaur.org> |
