1 files changed, 119 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/octeontx2/rvu.h b/roms/u-boot/drivers/net/octeontx2/rvu.h
new file mode 100644
index 000000000..f455260a6
--- /dev/null
+++ b/roms/u-boot/drivers/net/octeontx2/rvu.h
@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier:    GPL-2.0
+ *
+ * Copyright (C) 2018 Marvell International Ltd.
+ */
+
+#ifndef __RVU_H__
+#define __RVU_H__
+
+#include <asm/arch/csrs/csrs-rvu.h>
+
+#define ALIGNED		__aligned(CONFIG_SYS_CACHELINE_SIZE)
+
+#define Q_SIZE_16		0ULL /* 16 entries */
+#define Q_SIZE_64		1ULL /* 64 entries */
+#define Q_SIZE_256		2ULL
+#define Q_SIZE_1K		3ULL
+#define Q_SIZE_4K		4ULL
+#define Q_SIZE_16K		5ULL
+#define Q_SIZE_64K		6ULL
+#define Q_SIZE_256K		7ULL
+#define Q_SIZE_1M		8ULL /* Million entries */
+#define Q_SIZE_MIN		Q_SIZE_16
+#define Q_SIZE_MAX		Q_SIZE_1M
+
+#define Q_COUNT(x)		(16ULL << (2 * (x)))
+#define Q_SIZE(x, n)		((ilog2(x) - (n)) / 2)
+
+/* Admin queue info */
+
+/* Since we intend to add only one instruction at a time,
+ * keep queue size to it's minimum.
+ */
+#define AQ_SIZE			Q_SIZE_16
+/* HW head & tail pointer mask */
+#define AQ_PTR_MASK		0xFFFFF
+
+struct qmem {
+	void		*base;
+	dma_addr_t	iova;
+	size_t		alloc_sz;
+	u32		qsize;
+	u8		entry_sz;
+};
+
+struct admin_queue {
+	struct qmem inst;
+	struct qmem res;
+};
+
+struct rvu_af {
+	struct udevice *dev;
+	void __iomem *af_base;
+	struct nix_af *nix_af;
+};
+
+struct rvu_pf {
+	struct udevice *dev;
+	struct udevice *afdev;
+	void __iomem *pf_base;
+	struct nix *nix;
+	u8 pfid;
+	int nix_lfid;
+	int npa_lfid;
+};
+
+/**
+ * Store 128 bit value
+ *
+ * @param[out]	dest	pointer to destination address
+ * @param	val0	first 64 bits to write
+ * @param	val1	second 64 bits to write
+ */
+static inline void st128(void *dest, u64 val0, u64 val1)
+{
+	__asm__ __volatile__("stp %x[x0], %x[x1], [%[pm]]" :
+		: [x0]"r"(val0), [x1]"r"(val1), [pm]"r"(dest)
+		: "memory");
+}
+
+/**
+ * Load 128 bit value
+ *
+ * @param[in]	source		pointer to 128 bits of data to load
+ * @param[out]	val0		first 64 bits of data
+ * @param[out]	val1		second 64 bits of data
+ */
+static inline void ld128(const u64 *src, u64 *val0, u64 *val1)
+{
+	__asm__ __volatile__ ("ldp %x[x0], %x[x1], [%[pm]]" :
+		 : [x0]"r"(*val0), [x1]"r"(*val1), [pm]"r"(src));
+}
+
+void qmem_free(struct qmem *q);
+int qmem_alloc(struct qmem *q, u32 qsize, size_t entry_sz);
+
+/**
+ * Allocates an admin queue for instructions and results
+ *
+ * @param	aq	admin queue to allocate for
+ * @param	qsize	Number of entries in the queue
+ * @param	inst_size	Size of each instruction
+ * @param	res_size	Size of each result
+ *
+ * @return	-ENOMEM on error, 0 on success
+ */
+int rvu_aq_alloc(struct admin_queue *aq, unsigned int qsize,
+		 size_t inst_size, size_t res_size);
+
+/**
+ * Frees an admin queue
+ *
+ * @param	aq	Admin queue to free
+ */
+void rvu_aq_free(struct admin_queue *aq);
+
+void rvu_get_lfid_for_pf(int pf, int *nixid, int *npaid);
+
+#endif /* __RVU_H__ */
+