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-rw-r--r--arch/arm/plat-mxc/include/mach/iomux-v3.h5
-rw-r--r--arch/arm/plat-mxc/iomux-v3.c15
2 files changed, 15 insertions, 5 deletions
diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h
index cd06df9370c..a0fa4026546 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-v3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-v3.h
@@ -113,5 +113,10 @@ void mxc_iomux_v3_release_pad(struct pad_desc *pad);
*/
void mxc_iomux_v3_release_multiple_pads(struct pad_desc *pad_list, int count);
+/*
+ * Initialise the iomux controller
+ */
+void mxc_iomux_v3_init(void __iomem *iomux_v3_base);
+
#endif /* __MACH_IOMUX_V3_H__*/
diff --git a/arch/arm/plat-mxc/iomux-v3.c b/arch/arm/plat-mxc/iomux-v3.c
index 77a078f9513..851ca99bf1b 100644
--- a/arch/arm/plat-mxc/iomux-v3.c
+++ b/arch/arm/plat-mxc/iomux-v3.c
@@ -29,7 +29,7 @@
#include <asm/mach/map.h>
#include <mach/iomux-v3.h>
-#define IOMUX_BASE IO_ADDRESS(IOMUXC_BASE_ADDR)
+static void __iomem *base;
static unsigned long iomux_v3_pad_alloc_map[0x200 / BITS_PER_LONG];
@@ -45,14 +45,14 @@ int mxc_iomux_v3_setup_pad(struct pad_desc *pad)
if (test_and_set_bit(pad_ofs >> 2, iomux_v3_pad_alloc_map))
return -EBUSY;
if (pad->mux_ctrl_ofs)
- __raw_writel(pad->mux_mode, IOMUX_BASE + pad->mux_ctrl_ofs);
+ __raw_writel(pad->mux_mode, base + pad->mux_ctrl_ofs);
if (pad->select_input_ofs)
__raw_writel(pad->select_input,
- IOMUX_BASE + pad->select_input_ofs);
+ base + pad->select_input_ofs);
- if (!(pad->pad_ctrl & NO_PAD_CTRL))
- __raw_writel(pad->pad_ctrl, IOMUX_BASE + pad->pad_ctrl_ofs);
+ if (!(pad->pad_ctrl & NO_PAD_CTRL) && pad->pad_ctrl_ofs)
+ __raw_writel(pad->pad_ctrl, base + pad->pad_ctrl_ofs);
return 0;
}
EXPORT_SYMBOL(mxc_iomux_v3_setup_pad);
@@ -96,3 +96,8 @@ void mxc_iomux_v3_release_multiple_pads(struct pad_desc *pad_list, int count)
}
}
EXPORT_SYMBOL(mxc_iomux_v3_release_multiple_pads);
+
+void mxc_iomux_v3_init(void __iomem *iomux_v3_base)
+{
+ base = iomux_v3_base;
+}