Ethernet driver merged from IIJ's contribution code.

1 files changed, 173 insertions, 0 deletions

diff --git a/sys/arch/octeon/dev/cn30xxpkovar.h b/sys/arch/octeon/dev/cn30xxpkovar.h
new file mode 100644
index 00000000000..d752634d4f8
--- /dev/null
+++ b/sys/arch/octeon/dev/cn30xxpkovar.h
@@ -0,0 +1,173 @@
+/*	$OpenBSD: cn30xxpkovar.h,v 1.1 2011/06/16 11:22:30 syuu Exp $	*/
+
+/*
+ * Copyright (c) 2007 Internet Initiative Japan, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Cavium Networks OCTEON CN30XX Hardware Reference Manual
+ * CN30XX-HM-1.0
+ * 8.9 PKO Registers
+ */
+
+#ifndef _CN30XXPKOVAR_H_
+#define _CN30XXPKOVAR_H_
+
+#include <octeon/dev/cn30xxfauvar.h>
+#include <octeon/dev/cn30xxpkoreg.h>
+
+#ifndef SET
+#define	SET(t, f)	((t) |= (f))
+#define	ISSET(t, f)	((t) & (f))
+#define	CLR(t, f)	((t) &= ~(f))
+#endif
+
+#define FAU_OP_SIZE_8	0
+#define FAU_OP_SIZE_16	1
+#define FAU_OP_SIZE_32	2   
+#define FAU_OP_SIZE_64	3        
+
+#define PKO_OUTPUT_PORTS_NUM		5
+#define PKO_OUTPUT_PORTS_PKTIF_NUM	3
+#define PKO_OUTPUT_PORTS_PCIIF_NUM	2
+#define	PKO_MEM_QUEUE_PTRS_ILLEGAL_PID	63
+
+/* XXX */
+struct cn30xxpko_cmdptr_desc {
+	uint64_t	cmdptr;
+	uint64_t	cmdptr_idx;
+};
+
+/* XXX */
+struct cn30xxpko_softc {
+	int			sc_port;
+	bus_space_tag_t		sc_regt;
+	bus_space_handle_t	sc_regh;
+	struct cn30xxpko_cmdptr_desc
+				*sc_cmdptr;
+	int			sc_cmd_buf_pool;
+	size_t			sc_cmd_buf_size;
+
+#ifdef OCTEON_ETH_DEBUG
+	struct evcnt		sc_ev_pkoerrdbell;
+	struct evcnt		sc_ev_pkoerrparity;
+#endif
+};
+
+/* XXX */
+struct cn30xxpko_attach_args {
+	int				aa_port;
+	bus_space_tag_t			aa_regt;
+	struct cn30xxpko_cmdptr_desc	*aa_cmdptr;
+	int				aa_cmd_buf_pool;
+	size_t				aa_cmd_buf_size;
+};
+
+/* XXX */
+void			cn30xxpko_init(struct cn30xxpko_attach_args *,
+			    struct cn30xxpko_softc **);
+int			cn30xxpko_enable(struct cn30xxpko_softc *);
+int			cn30xxpko_reset(struct cn30xxpko_softc *);
+void			cn30xxpko_config(struct cn30xxpko_softc *);
+int			cn30xxpko_port_enable(struct cn30xxpko_softc *, int);
+int			cn30xxpko_port_config(struct cn30xxpko_softc *);
+void			cn30xxpko_int_enable(struct cn30xxpko_softc *, int);
+uint64_t		cn30xxpko_int_summary(struct cn30xxpko_softc *);
+static inline uint64_t	cn30xxpko_cmd_word0(int, int, int, int, int, int,
+			    int, int, int, int, int, int, int, int, int, int);
+static inline uint64_t	cn30xxpko_cmd_word1(int, int, int, int, paddr_t);
+
+
+static inline uint64_t
+cn30xxpko_cmd_word0(int sz1, int sz0, int s1, int reg1, int s0, int reg0,
+    int le, int n2, int q, int r, int g, int ipoffp1, int ii, int df, int segs,
+    int totalbytes)
+{
+	uint64_t cmd = 0;
+
+	SET(cmd, (((uint64_t)sz1 << 62) & PKO_CMD_WORD0_SZ1)
+ 	    | (((uint64_t)sz0 << 60) & PKO_CMD_WORD0_SZ0)
+	    | (((uint64_t)s1 << 59) & PKO_CMD_WORD0_S1)
+	    | (((uint64_t)reg1 << 48) & PKO_CMD_WORD0_REG1)
+	    | (((uint64_t)s0 << 47) & PKO_CMD_WORD0_S0)
+	    | (((uint64_t)reg0 << 36) & PKO_CMD_WORD0_REG0)
+	    | (((uint64_t)le << 35) & PKO_CMD_WORD0_LE)
+	    | (((uint64_t)n2 << 34) & PKO_CMD_WORD0_N2)
+	    | (((uint64_t)q << 33) & PKO_CMD_WORD0_Q)
+	    | (((uint64_t)r << 32) & PKO_CMD_WORD0_R)
+	    | (((uint64_t)g << 31) & PKO_CMD_WORD0_G)
+	    | (((uint64_t)ipoffp1 << 24) & PKO_CMD_WORD0_IPOFFP1)
+	    | (((uint64_t)ii << 23) & PKO_CMD_WORD0_II)
+	    | (((uint64_t)df << 22) & PKO_CMD_WORD0_DF)
+	    | (((uint64_t)segs << 16) & PKO_CMD_WORD0_SEGS)
+	    | (((uint64_t)totalbytes << 0) & PKO_CMD_WORD0_TOTALBYTES));
+	return cmd;
+}
+
+static inline uint64_t
+cn30xxpko_cmd_word1(int i, int back, int pool, int size, paddr_t addr)
+{
+	uint64_t cmd = 0;
+
+	SET(cmd, (((uint64_t)i << 63) & PKO_CMD_WORD1_I)
+	    | (((uint64_t)back << 59) & PKO_CMD_WORD1_BACK)
+	    | (((uint64_t)pool << 56) & PKO_CMD_WORD1_POOL)
+	    | (((uint64_t)size << 40) & PKO_CMD_WORD1_SIZE)
+	    | (((uint64_t)addr << 0) & PKO_CMD_WORD1_ADDR));
+	return cmd;
+}
+
+/* ---- operation primitives */
+
+/* 8.8.1 Store Operations */
+
+static inline void
+cn30xxpko_op_store(uint64_t args, uint64_t value)
+{
+	paddr_t addr;
+
+	addr =
+	    ((uint64_t)1 << 48) |
+	    ((uint64_t)(CN30XXPKO_MAJORDID & 0x1f) << 43) |
+	    ((uint64_t)(CN30XXPKO_SUBDID & 0x7) << 40) |
+	    ((uint64_t)args);
+	/* XXX */
+	OCTEON_SYNCW;
+	octeon_write_csr(addr, value);
+}
+
+static inline void
+cn30xxpko_op_doorbell_write(int pid, int qid, int wdc)
+{
+	uint64_t args, value;
+
+	args =
+	    ((uint64_t)(pid & 0x3f) << 12) |
+	    ((uint64_t)(qid & 0x1ff) << 3);
+	value = wdc & 0xfffff;
+	cn30xxpko_op_store(args, value);
+}
+
+#endif