summaryrefslogtreecommitdiff
path: root/src/soc/amd/common/block
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/amd/common/block')
-rw-r--r--src/soc/amd/common/block/include/amdblocks/aoac.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/aoac.h b/src/soc/amd/common/block/include/amdblocks/aoac.h
new file mode 100644
index 0000000000..f4f58e66e0
--- /dev/null
+++ b/src/soc/amd/common/block/include/amdblocks/aoac.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef AMD_BLOCK_AOAC_H
+#define AMD_BLOCK_AOAC_H
+
+#include <types.h>
+
+/* FCH AOAC Registers 0xfed81e00 */
+#define AOAC_DEV_D3_CTL(device) (0x40 + device * 2)
+#define AOAC_DEV_D3_STATE(device) (AOAC_DEV_D3_CTL(device) + 1)
+
+/* Bit definitions for Device D3 Control AOACx0000[40...7E; even byte addresses] */
+#define FCH_AOAC_TARGET_DEVICE_STATE (BIT(0) + BIT(1))
+#define FCH_AOAC_D0_UNINITIALIZED 0
+#define FCH_AOAC_D0_INITIALIZED 1
+#define FCH_AOAC_D1_2_3_WARM 2
+#define FCH_AOAC_D3_COLD 3
+#define FCH_AOAC_DEVICE_STATE BIT(2)
+#define FCH_AOAC_PWR_ON_DEV BIT(3)
+#define FCH_AOAC_SW_PWR_ON_RSTB BIT(4)
+#define FCH_AOAC_SW_REF_CLK_OK BIT(5)
+#define FCH_AOAC_SW_RST_B BIT(6)
+#define FCH_AOAC_IS_SW_CONTROL BIT(7)
+
+/* Bit definitions for Device D3 State AOACx0000[41...7f; odd byte addresses] */
+#define FCH_AOAC_PWR_RST_STATE BIT(0)
+#define FCH_AOAC_RST_CLK_OK_STATE BIT(1)
+#define FCH_AOAC_RST_B_STATE BIT(2)
+#define FCH_AOAC_DEV_OFF_GATING_STATE BIT(3)
+#define FCH_AOAC_D3COLD BIT(4)
+#define FCH_AOAC_CLK_OK_STATE BIT(5)
+#define FCH_AOAC_STAT0 BIT(6)
+#define FCH_AOAC_STAT1 BIT(7)
+
+#endif /* AMD_BLOCK_AOAC_H */