From d881ea532b117e9783a1ded4c6ddb7bbbe028be2 Mon Sep 17 00:00:00 2001 From: Graeme Russ Date: Sat, 12 Feb 2011 15:11:41 +1100 Subject: eNET: Fix eNET Interrupt Setup for Linux Fix minor issues with the configuration of the hardware interrupts for Linux when booting the eNET board --- board/eNET/eNET.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c index b2f349f98..3b74ce94e 100644 --- a/board/eNET/eNET.c +++ b/board/eNET/eNET.c @@ -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); -- cgit v1.2.3