diff options
Diffstat (limited to 'arch/microblaze/cpu/interrupts.c')
| -rw-r--r-- | arch/microblaze/cpu/interrupts.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/microblaze/cpu/interrupts.c b/arch/microblaze/cpu/interrupts.c index b6d6610f2f..e5d8894f54 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"); @@ -113,10 +116,32 @@ int interrupt_init(void) { int i; +#ifdef CONFIG_OF_CONTROL + 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; + } +#else #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 +#endif if (irq_no) { vecs = calloc(1, sizeof(struct irq_action) * irq_no); if (vecs == NULL) { |
