As a late birthday present, a preliminary port to the Solbourne IDT systems

(S3000, S4000 and S4000DX).

Currently limited to diskless and serial console, and userland has issues.
Things will get better in the near future.

1 files changed, 108 insertions, 0 deletions

diff --git a/sys/arch/solbourne/include/prom.h b/sys/arch/solbourne/include/prom.h
new file mode 100644
index 00000000000..1162c4a6586
--- /dev/null
+++ b/sys/arch/solbourne/include/prom.h
@@ -0,0 +1,108 @@
+/*	$OpenBSD: prom.h,v 1.1 2005/04/19 21:30:18 miod Exp $	*/
+/*
+ * Copyright (c) 2005, Miodrag Vallat
+ *
+ * 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 AUTHOR ``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 AUTHOR 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.
+ */
+
+#ifndef	_SOLBOURNE_PROM_H_
+#define	_SOLBOURNE_PROM_H_
+
+/*
+ * The following describes the PROM communication structure,
+ * which appears at the beginning of physical memory.
+ */
+
+#define	PROM_CODE_PA		0x00000000
+#define	PROM_CODE_VA		PTW0_BASE
+#define	PROM_DATA_PA		PHYSMEM_BASE
+#define	PROM_DATA_VA		PTW1_BASE
+
+struct sb_prom {
+	int	sp_interface;			/* interface version */
+	int	(*sp_interp)(const char *);	/* prom commands */
+	char	sp_version[128];		/* prom version */
+	int	(*sp_eval)(const char *);	/* forth commands */
+	int	sp_ramdisk;			/* ramdisk size if any in MB */
+	int	sp_promend;			/* first available va */
+	int	sp_memsize;			/* memory size in pages... */
+	int	sp_memsize_mb;			/* ...and in MB */
+	int	sp_reserve_start;		/* reserved area (in pages) */
+	int	sp_reserve_len;			/* and length (in pages) */
+	vaddr_t	sp_msgbufp;			/* PROM msgbuf pointer */
+	int	sp_sash_usrtrap;
+	int	sp_rootnode;
+	int	sp_validregs;			/* nonzero if registers... */
+	int	sp_regs[100];			/* ...array is valid */
+	int	sp_revision;			/* prom revision */
+};
+
+#define	PROM_INTERFACE		4
+
+/*
+ * Reset strings
+ */
+
+#define	PROM_RESET_COLD		"cold"
+#define	PROM_RESET_WARM		"warm"
+#define	PROM_RESET_HALT		"halt"
+
+/*
+ * Environment variables (all upper-case)
+ */
+
+#define	ENV_ETHERADDR		"ENETADDR"
+#define	ENV_INPUTDEVICE		"INPUT-DEVICE"
+#define	ENV_MODEL		"MODEL"
+#define	ENV_OUTPUTDEVICE	"OUTPUT-DEVICE"
+#define	ENV_TTYA		"TTYA_MODE"
+#define	ENV_TTYB		"TTYB_MODE"
+
+/*
+ * Node structures
+ */
+
+struct prom_node {
+	int	pn_sibling;
+	int	pn_child;
+	vaddr_t	pn_props;
+	char	*pn_name;
+};
+
+struct prom_prop {
+	struct prom_prop *pp_next;
+	size_t	pp_size;
+	char	pp_data[0];
+};
+
+/*
+ * System model
+ */
+
+extern int sysmodel;
+
+#define	SYS_S4000	0xf4
+#define	SYS_S4100	0xf5
+
+const char *prom_getenv(const char *);
+
+#endif	/* _SOLBOURNE_PROM_H_ */