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authorBrian Murphy <brm@murphy.dk>2007-08-21 22:34:16 +0200
committerRalf Baechle <ralf@linux-mips.org>2007-10-11 23:46:00 +0100
commit1f21d2bde0046e959b53756f74d96dfd040a803b (patch)
tree5ca1a0319982f1e665e57f22bd1dae1d90b07e35 /arch/mips/lasat/reset.c
parent0caf583398309398ec05fc76bff15c711e9f936d (diff)
[MIPS] Add back support for LASAT platforms
Signed-off-by: Brian Murphy <brian@murphy.dk> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/lasat/reset.c')
-rw-r--r--arch/mips/lasat/reset.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/mips/lasat/reset.c b/arch/mips/lasat/reset.c
new file mode 100644
index 00000000000..b1e7a89fb73
--- /dev/null
+++ b/arch/mips/lasat/reset.c
@@ -0,0 +1,61 @@
+/*
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * Reset the LASAT board.
+ */
+#include <linux/kernel.h>
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+#include <asm/system.h>
+#include <asm/lasat/lasat.h>
+
+#include "picvue.h"
+#include "prom.h"
+
+static void lasat_machine_restart(char *command);
+static void lasat_machine_halt(void);
+
+/* Used to set machine to boot in service mode via /proc interface */
+int lasat_boot_to_service;
+
+static void lasat_machine_restart(char *command)
+{
+ local_irq_disable();
+
+ if (lasat_boot_to_service) {
+ *(volatile unsigned int *)0xa0000024 = 0xdeadbeef;
+ *(volatile unsigned int *)0xa00000fc = 0xfedeabba;
+ }
+ *lasat_misc->reset_reg = 0xbedead;
+ for (;;) ;
+}
+
+static void lasat_machine_halt(void)
+{
+ local_irq_disable();
+
+ prom_monitor();
+ for (;;) ;
+}
+
+void lasat_reboot_setup(void)
+{
+ _machine_restart = lasat_machine_restart;
+ _machine_halt = lasat_machine_halt;
+ pm_power_off = lasat_machine_halt;
+}