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authorGraeme Russ <graeme.russ@gmail.com>2011-02-12 15:11:41 +1100
committerGraeme Russ <graeme.russ@gmail.com>2011-02-12 15:11:41 +1100
commitd881ea532b117e9783a1ded4c6ddb7bbbe028be2 (patch)
treee3fdf2080f4724bc2e88fd607b380871e05c5869 /board
parent6d0cb349548f95081a6183745095109d33520852 (diff)
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eNET: Fix eNET Interrupt Setup for Linux
Fix minor issues with the configuration of the hardware interrupts for Linux when booting the eNET board
Diffstat (limited to 'board')
-rw-r--r--board/eNET/eNET.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/board/eNET/eNET.c b/board/eNET/eNET.c
index b2f349f..3b74ce9 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);