Fix minor issues with the configuration of the hardware interrupts for Linux when booting the eNET board
Signed-off-by: Graeme Russ graeme.russ@gmail.com --- board/eNET/eNET.c | 15 +++++++++------ 1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c index 7f0e257..700a31e 100644 --- a/board/eNET/eNET.c +++ b/board/eNET/eNET.c @@ -204,10 +204,18 @@ 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]); @@ -215,11 +223,6 @@ 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);