1 files changed, 112 insertions, 0 deletions

diff --git a/arch/xtensa/platform-iss/setup.c b/arch/xtensa/platform-iss/setup.c
new file mode 100644
index 000000000000..2e6dcbf0cc04
--- /dev/null
+++ b/arch/xtensa/platform-iss/setup.c
@@ -0,0 +1,112 @@
+/*
+ *
+ * arch/xtensa/platform-iss/setup.c
+ *
+ * Platform specific initialization.
+ *
+ * Authors: Chris Zankel <chris@zankel.net>
+ *          Joe Taylor <joe@tensilica.com>
+ *
+ * Copyright 2001 - 2005 Tensilica Inc.
+ *
+ * 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.
+ *
+ */
+#include <linux/config.h>
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/types.h>
+#include <linux/major.h>
+#include <linux/blkdev.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/stringify.h>
+#include <linux/notifier.h>
+
+#include <asm/platform.h>
+#include <asm/bootparam.h>
+
+
+void __init platform_init(bp_tag_t* bootparam)
+{
+
+}
+
+void platform_halt(void)
+{
+        printk (" ** Called platform_halt(), looping forever! **\n");
+        while (1);
+}
+
+void platform_power_off(void)
+{
+        printk (" ** Called platform_power_off(), looping forever! **\n");
+        while (1);
+}
+void platform_restart(void)
+{
+        /* Flush and reset the mmu, simulate a processor reset, and
+         * jump to the reset vector. */
+
+        __asm__ __volatile__("movi      a2, 15\n\t"
+                             "wsr       a2, " __stringify(ICOUNTLEVEL) "\n\t"
+                             "movi      a2, 0\n\t"
+                             "wsr       a2, " __stringify(ICOUNT) "\n\t"
+                             "wsr       a2, " __stringify(IBREAKENABLE) "\n\t"
+                             "wsr       a2, " __stringify(LCOUNT) "\n\t"
+                             "movi      a2, 0x1f\n\t"
+                             "wsr       a2, " __stringify(PS) "\n\t"
+                             "isync\n\t"
+                             "jx        %0\n\t"
+                             :
+                             : "a" (XCHAL_RESET_VECTOR_VADDR)
+                             : "a2");
+
+        /* control never gets here */
+}
+
+extern void iss_net_poll(void);
+
+const char twirl[]="|/-\\|/-\\";
+
+void platform_heartbeat(void)
+{
+#if 0
+        static int i = 0, j = 0;
+
+        if (--i < 0) {
+                i = 99;
+                printk("\r%c\r", twirl[j++]);
+                if (j == 8)
+                        j = 0;
+        }
+#endif
+}
+
+
+
+static int
+iss_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+        __asm__ __volatile__("movi a2, -1; simcall\n");
+        return NOTIFY_DONE;
+}
+
+static struct notifier_block iss_panic_block = {
+        iss_panic_event,
+        NULL,
+        0
+};
+
+void __init platform_setup(char **p_cmdline)
+{
+        notifier_chain_register(&panic_notifier_list, &iss_panic_block);
+}