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eNET: Fix eNET Interrupt Setup for Linux

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Fix minor issues with the configuration of the hardware interrupts for
Linux when booting the eNET board
This commit is contained in:
Graeme Russ
2011-02-12 15:11:41 +11:00
parent 6d0cb34954
commit d881ea532b
1 changed files with 9 additions and 6 deletions
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15
board/eNET/eNET.c
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@@ -191,10 +191,18 @@ void setup_pcat_compatibility()
*/
writew(0x0000,&sc520_mmcr->intpinpol);
/* Set PIT 0 -> IRQ0, RTC -> IRQ8, FP error -> IRQ13 */
/*
* PIT 0 -> IRQ0
* RTC -> IRQ8
* FP error -> IRQ13
* UART1 -> IRQ4
* UART2 -> IRQ3
*/
writeb(SC520_IRQ0, &sc520_mmcr->pit_int_map[0]);
writeb(SC520_IRQ8, &sc520_mmcr->rtcmap);
writeb(SC520_IRQ13, &sc520_mmcr->ferrmap);
writeb(SC520_IRQ4, &sc520_mmcr->uart_int_map[0]);
writeb(SC520_IRQ3, &sc520_mmcr->uart_int_map[1]);
/* Disable all other interrupt sources */
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[0]);
@@ -202,11 +210,6 @@ void setup_pcat_compatibility()
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->gp_tmr_int_map[2]);
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pit_int_map[1]);
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pit_int_map[2]);
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[0]); /* disable PCI INT A */
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[1]); /* disable PCI INT B */
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[2]); /* disable PCI INT C */
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->pci_int_map[3]); /* disable PCI INT D */
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->dmabcintmap); /* disable DMA INT */
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->ssimap);
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->wdtmap);
writeb(SC520_IRQ_DISABLED, &sc520_mmcr->wpvmap);