1 files changed, 98 insertions, 0 deletions
diff --git a/roms/skiboot/include/capp.h b/roms/skiboot/include/capp.h
new file mode 100644
index 000000000..28c12bdae
--- /dev/null
+++ b/roms/skiboot/include/capp.h
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/* Copyright 2013-2019 IBM Corp. */
+
+#ifndef __CAPP_H
+#define __CAPP_H
+
+/*
+ * eyecatcher PHB3:  'CAPPLIDH' in ASCII
+ * eyecatcher PHB4:  'CAPPLIDH' in ASCII
+ */
+struct capp_lid_hdr {
+	be64 eyecatcher;
+	be64 version;
+	be64 lid_no;
+	be64 pad;
+	be64 ucode_offset;
+	be64 total_size;
+};
+
+struct capp_ucode_data_hdr {
+	be64 eyecatcher;	/* 'CAPPUCOD' in ASCII */
+	u8 version;
+	u8 reg;
+	u8 reserved[2];
+	be32 chunk_count;	/* Num of 8-byte chunks that follow */
+};
+
+struct capp_ucode_data {
+	struct capp_ucode_data_hdr hdr;
+	be64 data[];
+};
+
+struct capp_ucode_lid {
+	be64 eyecatcher;	/* 'CAPPULID' in ASCII */
+	be64 version;
+	be64 data_size;		/* Total size of all capp microcode data */
+	u8 reserved[40];
+	struct capp_ucode_data data; /* This repeats */
+};
+
+enum capp_reg {
+	apc_master_cresp		= 0x1,
+	apc_master_uop_table		= 0x2,
+	snp_ttype			= 0x3,
+	snp_uop_table			= 0x4,
+	apt_master_capi_ctrl		= 0x5,
+	snoop_capi_cnfg			= 0x6,
+	canned_presp_map0		= 0x7,
+	canned_presp_map1		= 0x8,
+	canned_presp_map2		= 0x9,
+	flush_sue_state_map		= 0xA,
+	apc_master_powerbus_ctrl	= 0xB
+};
+
+struct capp_info {
+	unsigned int capp_index;
+	unsigned int phb_index;
+	uint64_t capp_fir_reg;
+	uint64_t capp_fir_mask_reg;
+	uint64_t capp_fir_action0_reg;
+	uint64_t capp_fir_action1_reg;
+	uint64_t capp_err_status_ctrl_reg;
+};
+
+struct capp_ops {
+	int64_t (*get_capp_info)(int, struct phb *, struct capp_info *);
+};
+
+struct capp {
+	struct phb *phb;
+	unsigned int capp_index;
+	uint64_t capp_xscom_offset;
+	uint64_t attached_pe;
+	uint64_t chip_id;
+};
+
+struct proc_chip;
+extern struct lock capi_lock;
+extern struct capp_ops capi_ops;
+
+extern bool capp_ucode_loaded(struct proc_chip *chip, unsigned int index);
+
+extern int64_t capp_load_ucode(unsigned int chip_id, uint32_t opal_id,
+			       unsigned int index, u64 lid_eyecatcher,
+			       uint32_t reg_offset,
+			       uint64_t apc_master_addr,
+			       uint64_t apc_master_write,
+			       uint64_t snp_array_addr,
+			       uint64_t snp_array_write);
+
+extern int64_t capp_get_info(int chip_id, struct phb *phb,
+			     struct capp_info *info);
+
+
+/* Helpers to read/write capp registers */
+extern int64_t capp_xscom_read(struct capp *capp, int64_t off, uint64_t *val);
+extern int64_t capp_xscom_write(struct capp *capp, int64_t off, uint64_t val);
+#endif /* __CAPP_H */