MXC: use variable for irq controller base in entry-macro.S

This allows us to determine the irq controller base address
on runtime.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 3 insertions, 2 deletions

diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S
index 5f01d60da845..7cf290efe768 100644
--- a/arch/arm/plat-mxc/include/mach/entry-macro.S
+++ b/arch/arm/plat-mxc/include/mach/entry-macro.S
@@ -18,7 +18,8 @@
         .endm
 
         .macro  get_irqnr_preamble, base, tmp
-        ldr     \base, =AVIC_IO_ADDRESS(AVIC_BASE_ADDR)
+        ldr     \base, =avic_base
+        ldr     \base, [\base]
 #ifdef CONFIG_MXC_IRQ_PRIOR
         ldr     r4, [\base, #AVIC_NIMASK]
 #endif
diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c
index 618a8b24ed12..778ddfe57d89 100644
--- a/arch/arm/plat-mxc/irq.c
+++ b/arch/arm/plat-mxc/irq.c
@@ -44,7 +44,7 @@
 #define AVIC_FIPNDH             0x60    /* fast int pending high */
 #define AVIC_FIPNDL             0x64    /* fast int pending low */
 
-static void __iomem *avic_base;
+void __iomem *avic_base;
 
 int imx_irq_set_priority(unsigned char irq, unsigned char prio)
 {