Editing Talk:Syscon SPI
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| Latest revision | Your text | ||
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* The only substantial thing that differs between each of the beeps is the counters | * The only substantial thing that differs between each of the beeps is the counters | ||
> There is either noise on the line or the HW block responsible may be passing out uninitialized/don't care memory | > There is either noise on the line or the HW block responsible may be passing out uninitialized/don't care memory | ||
* | * No packets are transmitted from BE -> SC until the packet is kicked (0x8E100) | ||
* Seems to be some dedicated logic to deal with transmitting the buffer/registers via SPI | * Seems to be some dedicated logic to deal with transmitting the buffer/registers via SPI | ||
* SC always writes to 0x9104 after any SPI writes | * SC always writes to 0x9104 after any SPI writes | ||
* 0xb000 maps to 0x8D000 SB MMIO space | * 0xb000 maps to 0x8D000 SB MMIO space | ||
* 0xa000 maps to 0x8C000 SB MMIO space | * 0xa000 maps to 0x8C000 SB MMIO space | ||
* 0x9000 maps to 0x509000 SB MMIO space | * 0x9000 maps to 0x509000 SB MMIO space | ||
SB_INT Asserted before SC performs the initial read | SB_INT Asserted before SC performs the initial read | ||