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Diffstat (limited to 'arch/arm/mach-clps711x/p720t.c')
-rw-r--r--arch/arm/mach-clps711x/p720t.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c
new file mode 100644
index 000000000000..29269df054f5
--- /dev/null
+++ b/arch/arm/mach-clps711x/p720t.c
@@ -0,0 +1,115 @@
+/*
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/string.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>
+
+#include "common.h"
+
+/*
+ * 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, MT_DEVICE },
+ { 0xfe400000, 0x10400000, 1048576, MT_DEVICE }
+};
+
+static void __init
+fixup_p720t(struct machine_desc *desc, struct tag *tag,
+ char **cmdline, struct meminfo *mi)
+{
+ /*
+ * 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, ARRAY_SIZE(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)
+ .timer = &clps711x_timer,
+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);
+