The function sg_set_pinsel is useful for switching I/O pins
but it can be only used in C code.  This commit adds a simple
macro that is available in asm code.

Signed-off-by: Masahiro Yamada <yamad...@jp.panasonic.com>
---

 arch/arm/include/asm/arch-uniphier/sg-regs.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/arch-uniphier/sg-regs.h 
b/arch/arm/include/asm/arch-uniphier/sg-regs.h
index 79d7ec7..fa5e6ae 100644
--- a/arch/arm/include/asm/arch-uniphier/sg-regs.h
+++ b/arch/arm/include/asm/arch-uniphier/sg-regs.h
@@ -88,7 +88,18 @@
 #define SG_PINMON0_CLK_MODE_AXOSEL_20480KHZ    (0x2 << 16)
 #define SG_PINMON0_CLK_MODE_AXOSEL_25000KHZ_A  (0x3 << 16)
 
-#ifndef __ASSEMBLY__
+#ifdef __ASSEMBLY__
+
+       .macro  set_pinsel, n, value, ra, rd
+       ldr     \ra, =SG_PINSEL_ADDR(\n)
+       ldr     \rd, [\ra]
+       and     \rd, \rd, #SG_PINSEL_MASK(\n)
+       orr     \rd, \rd, #SG_PINSEL_MODE(\n, \value)
+       str     \rd, [\ra]
+       .endm
+
+#else
+
 #include <linux/types.h>
 #include <asm/io.h>
 
-- 
1.9.1

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