1 files changed, 34 insertions, 0 deletions
diff --git a/src/ar100/internal.h b/src/ar100/internal.h
new file mode 100644
index 00000000..406a4cd2
--- /dev/null
+++ b/src/ar100/internal.h
@@ -0,0 +1,34 @@
+#ifndef __AR100_INTERNAL_H
+#define __AR100_INTERNAL_H
+
+#define R_PIO_BASE  0x01F02C00
+#define PIO_BASE    0x01C20800
+
+enum pin_func {
+    PIO_INPUT,
+    PIO_OUTPUT,
+    PIO_ALT1,
+    PIO_ALT2,
+    PIO_ALT3,
+    PIO_ALT4,
+    PIO_ALT5,
+    PIO_DISABLE
+};
+
+struct gpio_mux {
+    uint32_t pin;
+    uint8_t bank;
+    uint32_t reg;
+};
+
+struct gpio_mux gpio_mux_setup(uint8_t pin, enum pin_func func);
+static inline unsigned long mfspr(unsigned long add){
+    unsigned long ret;
+    __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
+    return ret;
+}
+static inline void mtspr(unsigned long add, unsigned long val){
+    __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val));
+}
+
+#endif // internal.h