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Diffstat (limited to 'arch/arm/mach-uniphier/include/mach/sg-regs.h')
-rw-r--r--arch/arm/mach-uniphier/include/mach/sg-regs.h40
1 files changed, 15 insertions, 25 deletions
diff --git a/arch/arm/mach-uniphier/include/mach/sg-regs.h b/arch/arm/mach-uniphier/include/mach/sg-regs.h
index 43a6c35339..c886e1c655 100644
--- a/arch/arm/mach-uniphier/include/mach/sg-regs.h
+++ b/arch/arm/mach-uniphier/include/mach/sg-regs.h
@@ -53,24 +53,6 @@
/* Pin Control */
#define SG_PINCTRL_BASE (SG_CTRL_BASE | 0x1000)
-#if defined(CONFIG_MACH_PH1_PRO4)
-# define SG_PINCTRL(n) (SG_PINCTRL_BASE + (n) * 8)
-#elif defined(CONFIG_MACH_PH1_SLD3) || defined(CONFIG_MACH_PH1_LD4) || \
- defined(CONFIG_MACH_PH1_SLD8)
-# define SG_PINCTRL(n) (SG_PINCTRL_BASE + (n) * 4)
-#endif
-
-#if defined(CONFIG_MACH_PH1_SLD3) || defined(CONFIG_MACH_PH1_PRO4)
-#define SG_PINSELBITS 4
-#elif defined(CONFIG_MACH_PH1_LD4) || defined(CONFIG_MACH_PH1_SLD8)
-#define SG_PINSELBITS 8
-#endif
-
-#define SG_PINSEL_ADDR(n) (SG_PINCTRL((n) * (SG_PINSELBITS) / 32))
-#define SG_PINSEL_MASK(n) (~(((1 << (SG_PINSELBITS)) - 1) << \
- ((n) * (SG_PINSELBITS) % 32)))
-#define SG_PINSEL_MODE(n, mode) ((mode) << ((n) * (SG_PINSELBITS) % 32))
-
/* Only for PH1-Pro4 */
#define SG_LOADPINCTRL (SG_CTRL_BASE | 0x1700)
@@ -98,11 +80,11 @@
#ifdef __ASSEMBLY__
- .macro set_pinsel, n, value, ra, rd
- ldr \ra, =SG_PINSEL_ADDR(\n)
+ .macro sg_set_pinsel, pin, muxval, mux_bits, reg_stride, ra, rd
+ ldr \ra, =(SG_PINCTRL_BASE + \pin * \mux_bits / 32 * \reg_stride)
ldr \rd, [\ra]
- and \rd, \rd, #SG_PINSEL_MASK(\n)
- orr \rd, \rd, #SG_PINSEL_MODE(\n, \value)
+ and \rd, \rd, #~(((1 << \mux_bits) - 1) << (\pin * \mux_bits % 32))
+ orr \rd, \rd, #(\muxval << (\pin * \mux_bits % 32))
str \rd, [\ra]
.endm
@@ -111,10 +93,18 @@
#include <linux/types.h>
#include <linux/io.h>
-static inline void sg_set_pinsel(int n, int value)
+static inline void sg_set_pinsel(unsigned pin, unsigned muxval,
+ unsigned mux_bits, unsigned reg_stride)
{
- writel((readl(SG_PINSEL_ADDR(n)) & SG_PINSEL_MASK(n))
- | SG_PINSEL_MODE(n, value), SG_PINSEL_ADDR(n));
+ unsigned shift = pin * mux_bits % 32;
+ unsigned reg = SG_PINCTRL_BASE + pin * mux_bits / 32 * reg_stride;
+ u32 mask = (1U << mux_bits) - 1;
+ u32 tmp;
+
+ tmp = readl(reg);
+ tmp &= ~(mask << shift);
+ tmp |= (mask & muxval) << shift;
+ writel(tmp, reg);
}
#endif /* __ASSEMBLY__ */
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