1 files changed, 109 insertions, 0 deletions
diff --git a/plat/intel/soc/common/drivers/ccu/ncore_ccu.h b/plat/intel/soc/common/drivers/ccu/ncore_ccu.h
new file mode 100644
index 0000000..3f662ff
--- /dev/null
+++ b/plat/intel/soc/common/drivers/ccu/ncore_ccu.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef NCORE_CCU_H
+#define NCORE_CCU_H
+
+
+#define NCORE_CCU_OFFSET		0xf7000000
+
+
+/* Coherent Sub-System Address Map */
+#define NCORE_CAIU_OFFSET		0x00000
+#define NCORE_CAIU_SIZE			0x01000
+
+#define NCORE_NCBU_OFFSET		0x60000
+#define NCORE_NCBU_SIZE			0x01000
+
+#define NCORE_DIRU_OFFSET		0x80000
+#define NCORE_DIRU_SIZE			0x01000
+
+#define NCORE_CMIU_OFFSET		0xc0000
+#define NCORE_CMIU_SIZE			0x01000
+
+#define NCORE_CSR_OFFSET		0xff000
+#define NCORE_CSADSERO			0x00040
+#define NCORE_CSUIDR			0x00ff8
+#define NCORE_CSIDR			0x00ffc
+
+/* Directory Unit Register Map */
+#define NCORE_DIRUSFER			0x00010
+#define NCORE_DIRUMRHER			0x00070
+#define NCORE_DIRUSFMCR			0x00080
+#define NCORE_DIRUSFMAR			0x00084
+
+/* Coherent Agent Interface Unit Register Map */
+#define NCORE_CAIUIDR			0x00ffc
+
+/* Snoop Enable Register */
+#define NCORE_DIRUCASER0		0x00040
+#define NCORE_DIRUCASER1		0x00044
+#define NCORE_DIRUCASER2		0x00048
+#define NCORE_DIRUCASER3		0x0004c
+
+#define NCORE_CSADSER0			0x00040
+#define NCORE_CSADSER1			0x00044
+#define NCORE_CSADSER2			0x00048
+#define NCORE_CSADSER3			0x0004c
+
+/* Protocols Definition */
+#define ACE_W_DVM			0
+#define ACE_L_W_DVM			1
+#define ACE_WO_DVM			2
+#define ACE_L_WO_DVM			3
+
+/* Bypass OC Ram Firewall */
+#define NCORE_FW_OCRAM_BLK_BASE		0x100200
+#define NCORE_FW_OCRAM_BLK_CGF1		0x04
+#define NCORE_FW_OCRAM_BLK_CGF2		0x08
+#define NCORE_FW_OCRAM_BLK_CGF3		0x0c
+#define NCORE_FW_OCRAM_BLK_CGF4		0x10
+
+#define OCRAM_PRIVILEGED_MASK		BIT(29)
+#define OCRAM_SECURE_MASK		BIT(30)
+
+/* Macros */
+#define NCORE_CCU_REG(base)		(NCORE_CCU_OFFSET + (base))
+#define NCORE_CCU_CSR(reg)		(NCORE_CCU_REG(NCORE_CSR_OFFSET)\
+						+ (reg))
+#define NCORE_CCU_DIR(reg)		(NCORE_CCU_REG(NCORE_DIRU_OFFSET)\
+						+ (reg))
+#define NCORE_CCU_CAI(reg)		(NCORE_CCU_REG(NCORE_CAIU_OFFSET)\
+						+ (reg))
+
+#define DIRECTORY_UNIT(x, reg)		(NCORE_CCU_DIR(reg)\
+						+ NCORE_DIRU_SIZE * (x))
+#define COH_AGENT_UNIT(x, reg)		(NCORE_CCU_CAI(reg)\
+						+ NCORE_CAIU_SIZE * (x))
+
+#define COH_CPU0_BYPASS_REG(reg)	(NCORE_CCU_REG(NCORE_FW_OCRAM_BLK_BASE)\
+						+ (reg))
+
+#define CSUIDR_NUM_CMI(x)		(((x) & 0x3f000000) >> 24)
+#define CSUIDR_NUM_DIR(x)		(((x) & 0x003f0000) >> 16)
+#define CSUIDR_NUM_NCB(x)		(((x) & 0x00003f00) >> 8)
+#define CSUIDR_NUM_CAI(x)		(((x) & 0x0000007f) >> 0)
+
+#define CSIDR_NUM_SF(x)			(((x) & 0x007c0000) >> 18)
+
+#define SNOOP_FILTER_ID(x)		(((x) << 16))
+
+#define CACHING_AGENT_BIT(x)		(((x) & 0x08000) >> 15)
+#define CACHING_AGENT_TYPE(x)		(((x) & 0xf0000) >> 16)
+
+
+typedef struct coh_ss_id {
+	uint8_t num_coh_mem;
+	uint8_t num_directory;
+	uint8_t num_non_coh_bridge;
+	uint8_t num_coh_agent;
+	uint8_t num_snoop_filter;
+} coh_ss_id_t;
+
+uint32_t init_ncore_ccu(void);
+void ncore_enable_ocram_firewall(void);
+
+#endif