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-rw-r--r--src/soc/amd/picasso/include/soc/iomap.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/include/soc/iomap.h b/src/soc/amd/picasso/include/soc/iomap.h
index cb845c44d3..6b9ad2a005 100644
--- a/src/soc/amd/picasso/include/soc/iomap.h
+++ b/src/soc/amd/picasso/include/soc/iomap.h
@@ -12,7 +12,12 @@
#endif
#define HPET_BASE_ADDRESS 0xfed00000
+/* FCH AL2AHB Registers */
#define ALINK_AHB_ADDRESS 0xfedc0000
+#define AL2AHB_CONTROL_CLK_OFFSET 0x10
+#define AL2AHB_CLK_GATE_EN (1 << 1)
+#define AL2AHB_CONTROL_HCLK_OFFSET 0x30
+#define AL2AHB_HCLK_GATE_EN (1 << 1)
/* Reserved 0xfecd1000-0xfedc3fff */