[PATCH 2/3] ARM: mach-imx: mm-imx5: Retrieve tzic base address from dt
Fabio Estevam
festevam at gmail.com
Mon Sep 30 23:21:13 EDT 2013
From: Fabio Estevam <fabio.estevam at freescale.com>
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 at freescale.com>
---
arch/arm/mach-imx/mm-imx5.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index eb3cce3..2cafcf0 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 = {
--
1.8.1.2
More information about the linux-arm-kernel
mailing list