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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