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Diffstat (limited to 'arch/microblaze/cpu/interrupts.c')
-rw-r--r--arch/microblaze/cpu/interrupts.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index b6d6610f2f..010ca4a02c 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -10,10 +10,13 @@
#include <common.h>
#include <command.h>
+#include <fdtdec.h>
#include <malloc.h>
#include <asm/microblaze_intc.h>
#include <asm/asm.h>
+DECLARE_GLOBAL_DATA_PTR;
+
void enable_interrupts(void)
{
debug("Enable interrupts for the whole CPU\n");
@@ -112,11 +115,26 @@ static void intc_init(void)
int interrupt_init(void)
{
int i;
+ const void *blob = gd->fdt_blob;
+ int node = 0;
+
+ debug("INTC: Initialization\n");
+
+ node = fdt_node_offset_by_compatible(blob, node,
+ "xlnx,xps-intc-1.00.a");
+ if (node != -1) {
+ fdt_addr_t base = fdtdec_get_addr(blob, node, "reg");
+ if (base == FDT_ADDR_T_NONE)
+ return -1;
+
+ debug("INTC: Base addr %lx\n", base);
+ intc = (microblaze_intc_t *)base;
+ irq_no = fdtdec_get_int(blob, node, "xlnx,num-intr-inputs", 0);
+ debug("INTC: IRQ NO %x\n", irq_no);
+ } else {
+ return node;
+ }
-#if defined(CONFIG_SYS_INTC_0_ADDR) && defined(CONFIG_SYS_INTC_0_NUM)
- intc = (microblaze_intc_t *)CONFIG_SYS_INTC_0_ADDR;
- irq_no = CONFIG_SYS_INTC_0_NUM;
-#endif
if (irq_no) {
vecs = calloc(1, sizeof(struct irq_action) * irq_no);
if (vecs == NULL) {
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