Read configuration from DTB.

Signed-off-by: Michal Simek <mon...@monstr.eu>
---
 arch/microblaze/cpu/interrupts.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c
index 79ee96a..98c9110 100644
--- a/arch/microblaze/cpu/interrupts.c
+++ b/arch/microblaze/cpu/interrupts.c
@@ -29,6 +29,9 @@
 #include <malloc.h>
 #include <asm/microblaze_intc.h>
 #include <asm/asm.h>
+#include <fdtdec.h>
+
+DECLARE_GLOBAL_DATA_PTR;
 
 #undef DEBUG_INT
 
@@ -134,10 +137,26 @@ int interrupts_init(void)
 {
        int i;
 
+#ifndef CONFIG_OF_CONTROL
 #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
+#else
+       int temp;
+       int offset = 0;
+
+       offset = fdt_node_offset_by_compatible(gd->fdt_blob, offset,
+                               "xlnx,xps-intc-1.00.a");
+       if (offset > 0) {
+               temp = fdtdec_get_addr(gd->fdt_blob, offset, "reg");
+               if (temp != FDT_ADDR_T_NONE) {
+                       intc = (microblaze_intc_t *)temp;
+                       irq_no = fdtdec_get_int(gd->fdt_blob, offset,
+                                               "xlnx,num-intr-inputs", 0);
+               }
+       }
+#endif
        if (irq_no) {
                vecs = calloc(1, sizeof(struct irq_action) * irq_no);
                if (vecs == NULL) {
-- 
1.7.0.4

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to