ARM: mach-imx: mm-imx5: Retrieve tzic base address from dt

As mx53 is a dt-only SoC, we should retrieve the tzic base address from the
device tree, instead of using the old MX53_IO_ADDRESS method.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index eb3cce38c70d..2cafcf00000b 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/pinctrl/machine.h>
+#include <linux/of_address.h>
 
 #include <asm/mach/map.h>
 
@@ -100,7 +101,14 @@ void __init mx51_init_irq(void)
 
 void __init mx53_init_irq(void)
 {
-        tzic_init_irq(MX53_IO_ADDRESS(MX53_TZIC_BASE_ADDR));
+        struct device_node *np;
+        void __iomem *base;
+
+        np = of_find_compatible_node(NULL, NULL, "fsl,imx53-tzic");
+        base = of_iomap(np, 0);
+        WARN_ON(!base);
+
+        tzic_init_irq(base);
 }
 
 static struct sdma_platform_data imx51_sdma_pdata __initdata = {