Re: Small tweak to get ACPI watchdog working (iTCO)

[Cameron Ferguson <cameron.bare86@gmail.com>]

In my previous email, I only had the "write" operations associated
with controlling the watchdog timer. I have edited my code to include
the "read" operations too, but still it's not working.

Here's my new code:

    /* R */    retval = ioread32(base +  4u);  // This should be 0x0
    /* R */    retval = ioread32(base +  4u);  // This should be 0x0
    /* W */    iowrite32(0x20000, base + 4u);
    /* R */    retval = ioread32(base +  8u);  // This should be 0x1800
    /* R */    retval = ioread32(base +  8u);  // This should be 0x1800
    /* W */    iowrite32(0x1000, base + 8u);
    /* R */    retval = ioread32(base +  0u);  // This should be 0x4
    /* W */    iowrite32(0x4, base + 0u);
    /* R */    retval = ioread32(base + 10u);  // This should be 0x40000
    /* W */    iowrite32(0x640000, base + 10u);
    /* R */    retval = ioread32(base +  0u);  // This should be 0x2
    /* W */    iowrite32(0x4, base + 0u);  // This is a kick
    /* R */    retval = ioread32(base +  0u);  // This should be 0x34
    /* W */    iowrite32(0x4, base + 0u);  // This is a kick

The first two read operations should both return 0x0, however I'm
getting what looks like a random number. Also it consitently reads the
value 0x4 from "base + 0u".

Anyone got an idea?

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