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Diffstat (limited to 'arch/arm/mach-imx/gpc.c')
-rw-r--r--arch/arm/mach-imx/gpc.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index a96ccc7f501..44a65e9ff1f 100644
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011-2013 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
@@ -16,6 +16,7 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/irqchip/arm-gic.h>
+#include "common.h"
#define GPC_IMR1 0x008
#define GPC_PGC_CPU_PDN 0x2a0
@@ -68,6 +69,27 @@ static int imx_gpc_irq_set_wake(struct irq_data *d, unsigned int on)
return 0;
}
+void imx_gpc_mask_all(void)
+{
+ void __iomem *reg_imr1 = gpc_base + GPC_IMR1;
+ int i;
+
+ for (i = 0; i < IMR_NUM; i++) {
+ gpc_saved_imrs[i] = readl_relaxed(reg_imr1 + i * 4);
+ writel_relaxed(~0, reg_imr1 + i * 4);
+ }
+
+}
+
+void imx_gpc_restore_all(void)
+{
+ void __iomem *reg_imr1 = gpc_base + GPC_IMR1;
+ int i;
+
+ for (i = 0; i < IMR_NUM; i++)
+ writel_relaxed(gpc_saved_imrs[i], reg_imr1 + i * 4);
+}
+
static void imx_gpc_irq_unmask(struct irq_data *d)
{
void __iomem *reg;