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-rw-r--r--sys/include/arch/amd64/isa/i8254.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/isa/i8254.h b/sys/include/arch/amd64/isa/i8254.h
index fdc95cd..8215bf4 100644
--- a/sys/include/arch/amd64/isa/i8254.h
+++ b/sys/include/arch/amd64/isa/i8254.h
@@ -34,6 +34,7 @@
#define i8254_COMMAND 0x43
#define i8254_CHANNEL_0 0x40
+#define i8254_CHANNEL_2 0x42
#define i8254_DIVIDEND 1193182ULL
uint16_t i8254_get_count(void);