Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxxxxxxxxxxx>
---
arch/arm/mach-at91/setup.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index f7ca97b..6a4e07e 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -487,6 +487,26 @@ end:
of_node_put(np);
}
+static struct of_device_id matrix_ids[] = {
+ { .compatible = "atmel,at91sam9260-bus-matrix", },
+ { /*sentinel*/ }
+};
+
+static void at91_dt_matrix(void)
+{
+ struct device_node *np;
+
+ np = of_find_matching_node(NULL, matrix_ids);
+ if (!np)
+ panic("AT91: unable to find compatible bus matrix controller node in dtb\n");
+
+ at91_matrix_base = of_iomap(np, 0);
+ if (!at91_matrix_base)
+ panic("Impossible to ioremap at91_matrix_base\n");
+
+ of_node_put(np);
+}
+
void __init at91rm9200_dt_initialize(void)
{
at91_dt_ramc();
@@ -506,6 +526,7 @@ void __init at91_dt_initialize(void)
at91_dt_rstc();
at91_dt_ramc();
at91_dt_shdwc();
+ at91_dt_matrix();
/* Init clock subsystem */
at91_dt_clock_init();
--
1.9.0
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