On 07/09/2012 11:26 PM, Simon Glass wrote:
Hi Michal,
On Mon, Jul 9, 2012 at 2:20 AM, Michal Simek <mon...@monstr.eu
<mailto:mon...@monstr.eu>> wrote:
Read configuration from DTB.
Signed-off-by: Michal Simek <mon...@monstr.eu <mailto: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;
I don't think you need the = 0.
Agree. Will remove it.
+
+ 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) {
I'm not completely clear about whether this should be doing a realloc()
(copying the existing array and adding a new member) or not.
I am not sure what you mean by that.
This is done after mem_alloc_init and microblaze u-boot does not any
reallocation like other platforms.
Is it what did you mean?
Thanks,
Michal
--
Michal Simek, Ing. (M.Eng)
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel 2.6 Microblaze Linux - http://www.monstr.eu/fdt/
Microblaze U-BOOT custodian
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