Messages in this thread | | | From | Ian Stirling <> | Subject | Re: Accessing odd bytes | Date | Fri, 14 Jun 2002 15:40:37 +0100 (BST) |
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> > I have a strange effect on an embedded system (AMD Elan SC410, > Linux-2.4.18) while accessing a static RAM. The RAM is mapped to the bus > at 0x0200'0000. If I map it to user space this way: <snip> > Now I'm wondering how the kernel/processor handles odd byte access > exceptions. Can anybody give me a pointer where I could search or what my > problem could be?
It has been a while, but I believe you may need to setup the SC410s MMU to tell it it's an 8 bit (or whateve) RAM. Reading the manuals may reveal details that I've forgotten. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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