patch-2.4.19 linux-2.4.19/arch/arm/mach-clps711x/mm.c

• Lines: 71
• Date: Fri Aug 2 17:39:42 2002
• Orig file: linux-2.4.18/arch/arm/mach-clps711x/mm.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/arm/mach-clps711x/mm.c linux-2.4.19/arch/arm/mach-clps711x/mm.c
@@ -0,0 +1,70 @@
+/*
+ *  linux/arch/arm/mach-clps711x/mm.c
+ *
+ *  Generic MM setup for the CLPS711x-based machines.
+ *
+ *  Copyright (C) 2001 Deep Blue Solutions Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include <linux/bootmem.h>
+
+#include <asm/hardware.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/clps7111.h>
+
+#if 0 //def CONFIG_DISCONTIGMEM
+  
+/*
+ * The assumption of maximum 4 discontiguous memory banks is present
+ * in several places in the ARM kernel, including the parameter block
+ * (this affects boot loaders, too).  Banks do not necessarily
+ * correspond 1:1 with NUMA nodes, although they usually will,
+ * especially if they are widely discontiguous.
+ *
+ *  - note that the parameter block is depreciated for new implementations
+ *  - also note that discontig_node_data is actually used
+ *    -- rmk 
+ */
+
+static bootmem_data_t node_bootmem_data[4];
+
+pg_data_t clps711x_node_data[4] = {
+        { bdata: &node_bootmem_data[0] },
+        { bdata: &node_bootmem_data[1] },
+        { bdata: &node_bootmem_data[2] },
+        { bdata: &node_bootmem_data[3] },
+};
+
+#endif
+
+/*
+ * This maps the generic CLPS711x registers
+ */
+static struct map_desc clps711x_io_desc[] __initdata = {
+ { CLPS7111_VIRT_BASE,	CLPS7111_PHYS_BASE,	1048576, DOMAIN_IO, 0, 1 },
+ LAST_DESC
+};
+
+void __init clps711x_map_io(void)
+{
+	iotable_init(clps711x_io_desc);
+}