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Discussion Groups | TMS320C6x | PCI interrupt pin

Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).

  

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PCI interrupt pin - Giovanni Parodi - Mar 24 9:28:41 2006

Hello everybody.
I'm currently debugging a code that has to activate the PCI interrupt on the PCI
bus. The target platform is DM642 on the board produced by Spectrum Digital
The code core  is:

      // Send an IT to PCI.
      *(volatile Uint32 *)(0x01C00000) = 0x00000010;
      *(volatile Uint32 *)(0x01C00000) = 0x00000008;

The HSR and HDCR registers on the host device is set up to 0 (I see these values
accessing them through uP).
The PMDCSR register show a D0 status so the PCINT is not masked by INTAM nor
power logic management module.
Checking the interrupt whith a probe I always see the interrupt pin to 3.3 V.
GIE register is set to value 1.
Is there something I am missing?
Any help will be appreciated
		
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