patch-2.4.19 linux-2.4.19/arch/arm/mach-clps711x/p720t.c

• Lines: 119
• Date: Fri Aug 2 17:39:42 2002
• Orig file: linux-2.4.18/arch/arm/mach-clps711x/p720t.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/arch/arm/mach-clps711x/p720t.c linux-2.4.19/arch/arm/mach-clps711x/p720t.c
@@ -0,0 +1,118 @@
+/*
+ *  linux/arch/arm/mach-clps711x/p720t.c
+ *
+ *  Copyright (C) 2000-2001 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/config.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/arch/syspld.h>
+
+extern void clps711x_init_irq(void);
+extern void clps711x_map_io(void);
+
+/*
+ * Map the P720T system PLD.  It occupies two address spaces:
+ *  SYSPLD_PHYS_BASE and SYSPLD_PHYS_BASE + 0x00400000
+ * We map both here.
+ */
+static struct map_desc p720t_io_desc[] __initdata = {
+	{ SYSPLD_VIRT_BASE,	SYSPLD_PHYS_BASE, 1048576, DOMAIN_IO, 0, 1 },
+	{ 0xfe400000,		0x10400000,	  1048576, DOMAIN_IO, 0, 1 },
+	LAST_DESC
+};
+
+static void __init
+fixup_p720t(struct machine_desc *desc, struct param_struct *params,
+	    char **cmdline, struct meminfo *mi)
+{
+	struct tag *tag = (struct tag *)params;
+
+	/*
+	 * Our bootloader doesn't setup any tags (yet).
+	 */
+	if (tag->hdr.tag != ATAG_CORE) {
+		tag->hdr.tag = ATAG_CORE;
+		tag->hdr.size = tag_size(tag_core);
+		tag->u.core.flags = 0;
+		tag->u.core.pagesize = PAGE_SIZE;
+		tag->u.core.rootdev = 0x0100;
+
+		tag = tag_next(tag);
+		tag->hdr.tag = ATAG_MEM;
+		tag->hdr.size = tag_size(tag_mem32);
+		tag->u.mem.size = 4096;
+		tag->u.mem.start = PHYS_OFFSET;
+
+		tag = tag_next(tag);
+		tag->hdr.tag = ATAG_NONE;
+		tag->hdr.size = 0;
+	}
+}
+
+static void __init p720t_map_io(void)
+{
+	clps711x_map_io();
+	iotable_init(p720t_io_desc);
+}
+
+MACHINE_START(P720T, "ARM-Prospector720T")
+	MAINTAINER("ARM Ltd/Deep Blue Solutions Ltd")
+	BOOT_MEM(0xc0000000, 0x80000000, 0xff000000)
+	BOOT_PARAMS(0xc0000100)
+	FIXUP(fixup_p720t)
+	MAPIO(p720t_map_io)
+	INITIRQ(clps711x_init_irq)
+MACHINE_END
+
+static int p720t_hw_init(void)
+{
+	/*
+	 * Power down as much as possible in case we don't
+	 * have the drivers loaded.
+	 */
+	PLD_LCDEN = 0;
+	PLD_PWR  &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON);
+
+	PLD_KBD   = 0;
+	PLD_IO    = 0;
+	PLD_IRDA  = 0;
+	PLD_CODEC = 0;
+	PLD_TCH   = 0;
+	PLD_SPI   = 0;
+#ifndef CONFIG_DEBUG_LL
+	PLD_COM2  = 0;
+	PLD_COM1  = 0;
+#endif
+
+	return 0;
+}
+
+__initcall(p720t_hw_init);
+