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-rw-r--r--arch/powerpc/sysdev/cpm2_common.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c
index c6dc0bf..fc4c995 100644
--- a/arch/powerpc/sysdev/cpm2_common.c
+++ b/arch/powerpc/sysdev/cpm2_common.c
@@ -422,3 +422,36 @@ void *cpm_dpram_addr(unsigned long offset)
return (void *)(im_dprambase + offset);
}
EXPORT_SYMBOL(cpm_dpram_addr);
+
+struct cpm2_ioports {
+ u32 dir, par, sor, odr, dat;
+ u32 res[3];
+};
+
+void cpm2_set_pin(int port, int pin, int flags)
+{
+ struct cpm2_ioports __iomem *iop =
+ (struct cpm2_ioports __iomem *)&cpm2_immr->im_ioport;
+
+ pin = 1 << (31 - pin);
+
+ if (flags & CPM_PIN_OUTPUT)
+ setbits32(&iop[port].dir, pin);
+ else
+ clrbits32(&iop[port].dir, pin);
+
+ if (!(flags & CPM_PIN_GPIO))
+ setbits32(&iop[port].par, pin);
+ else
+ clrbits32(&iop[port].par, pin);
+
+ if (flags & CPM_PIN_SECONDARY)
+ setbits32(&iop[port].sor, pin);
+ else
+ clrbits32(&iop[port].sor, pin);
+
+ if (flags & CPM_PIN_OPENDRAIN)
+ setbits32(&iop[port].odr, pin);
+ else
+ clrbits32(&iop[port].odr, pin);
+}