Add support for Alpha Processor, Inc. UP1000.

From NetBSD.

1 files changed, 92 insertions, 0 deletions

diff --git a/sys/arch/alpha/pci/irongate_bus_mem.c b/sys/arch/alpha/pci/irongate_bus_mem.c
new file mode 100644
index 00000000000..aaaab4410a9
--- /dev/null
+++ b/sys/arch/alpha/pci/irongate_bus_mem.c
@@ -0,0 +1,92 @@
+/* $NetBSD: irongate_bus_mem.c,v 1.6 2000/11/29 06:29:10 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the NetBSD
+ *	Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/malloc.h>
+#include <sys/syslog.h>
+#include <sys/device.h>
+
+#include <vm/vm.h>
+#include <uvm/uvm_extern.h>
+
+#include <machine/bus.h>
+
+#include <alpha/pci/irongatereg.h>
+#include <alpha/pci/irongatevar.h>
+
+#define	CHIP		irongate
+
+#define	CHIP_EX_MALLOC_SAFE(v)	(((struct irongate_config *)(v))->ic_mallocsafe)
+#define	CHIP_MEM_EXTENT(v)	(((struct irongate_config *)(v))->ic_mem_ex)
+
+#define	CHIP_MEM_SYS_START(v)	IRONGATE_MEM_BASE
+
+/* 
+ * AMD 751 core logic appears on EV6.  We require at least EV56 
+ * support for the assembler to emit BWX opcodes. 
+ */
+__asm(".arch ev6");
+
+#include <alpha/pci/pci_bwx_bus_mem_chipdep.c>
+
+#include <sys/kcore.h>
+
+extern phys_ram_seg_t mem_clusters[];
+extern int mem_cluster_cnt;
+
+void
+irongate_bus_mem_init2(bus_space_tag_t t, void *v)
+{
+	int i, error;
+
+	/*
+	 * Since the AMD 751 doesn't have DMA windows, we need to
+	 * allocate RAM out of the extent map.
+	 */
+	for (i = 0; i < mem_cluster_cnt; i++) {
+		error = extent_alloc_region(CHIP_MEM_EXTENT(v),
+		    mem_clusters[i].start, mem_clusters[i].size,
+		    EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
+		if (error) {
+			printf("WARNING: unable reserve RAM at 0x%lx - 0x%lx\n",
+			    mem_clusters[i].start,
+			    mem_clusters[i].start + (mem_clusters[i].size - 1));
+		}
+	}
+}