diff --git a/src/board/system76/galp3-c/include/board/pnp.h b/src/board/system76/galp3-c/include/board/pnp.h
new file mode 100644
index 0000000..53dbb68
--- /dev/null
+++ b/src/board/system76/galp3-c/include/board/pnp.h
@@ -0,0 +1,6 @@
+#ifndef _BOARD_PNP_H
+#define _BOARD_PNP_H
+
+void pnp_enable(void);
+
+#endif // _BOARD_PNP_H
diff --git a/src/board/system76/galp3-c/pnp.c b/src/board/system76/galp3-c/pnp.c
new file mode 100644
index 0000000..c22422f
--- /dev/null
+++ b/src/board/system76/galp3-c/pnp.c
@@ -0,0 +1,43 @@
+#include <stdint.h>
+
+#include <common/debug.h>
+
+volatile uint8_t __xdata __at(0x1200) IHIOA;
+volatile uint8_t __xdata __at(0x1201) IHD;
+volatile uint8_t __xdata __at(0x1204) IBMAE;
+volatile uint8_t __xdata __at(0x1205) IBCTL;
+void e2ci_write(uint8_t port, uint8_t data) {
+    while (IBCTL & ((1 << 2) | (1 << 1))) {}
+    IHIOA = port;
+    IHD = data;
+    IBMAE = 1;
+    IBCTL = 1;
+    while (IBCTL & (1 << 2)) {}
+    IBMAE = 0;
+    IBCTL = 0;
+}
+
+void pnp_write(uint8_t reg, uint8_t data) {
+    e2ci_write(0x2E, reg);
+    e2ci_write(0x2F, data);
+}
+
+void pnp_enable() {
+    DEBUG("Enable PNP devices\n");
+
+    // Enable PMC
+    pnp_write(0x07, 0x11);
+    pnp_write(0x30, 0x01);
+
+    // Enable KBC keyboard
+    pnp_write(0x07, 0x06);
+    pnp_write(0x30, 0x01);
+
+    // Enable KBC mouse
+    pnp_write(0x07, 0x05);
+    pnp_write(0x30, 0x01);
+
+    // Enable SWUC
+    pnp_write(0x07, 0x04);
+    pnp_write(0x30, 0x01);
+}