>>>>knock knock >>>Who is it? >>Merry >Mary who? Merry Christmas
Please reply below the text At 3:53 +0100 11/19/01, Mohamoud musse wrote: >>At 20:45 +0100 11/18/01, Mohamoud musse wrote: >> >Hello: >> > >> >I'm getting a master abort everytime I try to access the I82559ER >>registers. >> >I can access the config space of the ethernet device without problems. >>Could it be that the master abort is triggered by IRQ of the I82559? >> >> > >> >Any ideas would be appreciated. >>Disable Interrupt ReQuest from that chip. >> >Geert: > >I disabled the I82559ER interrupt but the problem remains the same. > >I suspect that my problem is due to the memory map that I'm using. >I configured the MCU such that DRAM starts at zero so that I get access to >the vector table. Because I could not flash the board with the FRU utility. >I'm not enabling the Direct address translation and I'm setting the SOMWVR >to 0x88000000. >The base address of I82559 is 0x88100000. >Note that the DRAM size is 2x32 Mb. >Flash0 is mapped to 0xa0000000 >Flash1 is mapped to 0xFE800000 > >The SATU is not responding to any read/write initiated by an internal bus >cycles. The SATUR got set 0x2000 (master abort bit). The SATISR has a value >of 0x00000008 (master abort). > >If you have an IQ80310 were you able to flash successfully with FRU? No, I don't. I'm familair with Motorola 68K systems. There is the highest interrupt non maskable and can be used as "abort" > >Thanks for your feedback. I'm doing my best >The SATU is not responding to any read/write initiated by an internal bus >cycles. Is the chip enabled? Does it work with other software? Geert _______________________________________________ http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm Please visit the above address for information on this list.
