Messages in this thread |  | | Date | Fri, 25 Aug 2000 10:58:45 -0300 | Subject | Bogus dma value for parport in FIC SD11 | From | Cesar Eduardo Barros <> |
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The DMA autodetection for Via 686A seems to be broken; it is returning a bogus '255' DMA value. It is configured in the BIOS as ECP, IRQ 7, DMA 3.
0x378: FIFO is 16 bytes 0x378: writeIntrThreshold is 8 0x378: readIntrThreshold is 8 0x378: PWord is 8 bits 0x378: Interrupts are ISA-Pulses 0x378: possible IRQ conflict! 0x378: ECP port cfgA=0x10 cfgB=0x00 0x378: ECP settings irq=<none or set by other means> dma=<none or set by other means> parport0: PC-style at 0x378 (0x778), irq 7, dma 255 [PCSPP,TRISTATE,COMPAT,ECP,DMA] parport0: dma 255 in use, resorting to PIO operation parport0: cpp_daisy: aa5500ff87(b8) parport0: assign_addrs: aa5500ff87(b8) parport0: cpp_daisy: aa5500ff87(b8) parport0: assign_addrs: aa5500ff87(b8) parport_pc: Via 686A parallel port: io=0x378, irq=7, dma=255 lp0: using parport0 (interrupt-driven).
00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] System Controller (rev 25) 00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] AGP Bridge (rev 01) [...] 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super] (rev 1b) 00:07.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (rev 06) 00:07.2 USB Controller: VIA Technologies, Inc. VT82C586B USB (rev 0e) 00:07.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 20) [...]
-- Cesar Eduardo Barros cesarb@nitnet.com.br cesarb@dcc.ufrj.br - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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