| Hi, | |
| so this is the port to the Embedded Planet RPX Super Board. | |
| ATTENTION | |
| This code is only tested on the AY-Version, which is an early release with some | |
| hardware bugs. The main problem is that this board uses the default Hard Reset | |
| Configuration Word and not the 4 bytes located at start of FLASH because at | |
| 0xFE000000 is no FLASH. The FLASH consists out of 4 chips each 16bits wide. Be | |
| carefull, the bytes are swapped. So DQ0-7 is the high byte, DQ8-15 ist the low | |
| byte. | |
| The icache can only manually be enabled after reset. | |
| The FLASH and main SDRAM is working with icache enabled. | |
| The local SDRAM can only be used as data memory when icache is enabled. | |
| If U-Boot runs in local SDRAM, TFTP does not work. | |
| The functions in mii_phy.c are all working. Call mii_phy_discover() out of | |
| eth_init() and solve the linker error. | |
| I2C, RTC/NVRAM and PCMCIA are not working yet. | |
| TODO | |
| The 32MB local SDRAM is working but not shown in the startup messages of | |
| U-Boot. If you locate U-Boot or any other program to this area it won't run. | |
| Turning the ichache off does not solve this problem. | |
| As I won't buy another RPX Super there might be some little work to do for you | |
| getting this U-Boot port running on the final board. | |
| frank.morauf@salzbrenner.com |