1 files changed, 69 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ebsa285/system.h b/include/asm-arm/arch-ebsa285/system.h
new file mode 100644
index 000000000000..bf91c695c4b5
--- /dev/null
+++ b/include/asm-arm/arch-ebsa285/system.h
@@ -0,0 +1,69 @@
+/*
+ *  linux/include/asm-arm/arch-ebsa285/system.h
+ *
+ *  Copyright (C) 1996-1999 Russell King.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/hardware/dec21285.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+
+static inline void arch_idle(void)
+{
+        cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+        if (mode == 's') {
+                /*
+                 * Jump into the ROM
+                 */
+                cpu_reset(0x41000000);
+        } else {
+                if (machine_is_netwinder()) {
+                        /* open up the SuperIO chip
+                         */
+                        outb(0x87, 0x370);
+                        outb(0x87, 0x370);
+
+                        /* aux function group 1 (logical device 7)
+                         */
+                        outb(0x07, 0x370);
+                        outb(0x07, 0x371);
+
+                        /* set GP16 for WD-TIMER output
+                         */
+                        outb(0xe6, 0x370);
+                        outb(0x00, 0x371);
+
+                        /* set a RED LED and toggle WD_TIMER for rebooting
+                         */
+                        outb(0xc4, 0x338);
+                } else {
+                        /* 
+                         * Force the watchdog to do a CPU reset.
+                         *
+                         * After making sure that the watchdog is disabled
+                         * (so we can change the timer registers) we first
+                         * enable the timer to autoreload itself.  Next, the
+                         * timer interval is set really short and any
+                         * current interrupt request is cleared (so we can
+                         * see an edge transition).  Finally, TIMER4 is
+                         * enabled as the watchdog.
+                         */
+                        *CSR_SA110_CNTL &= ~(1 << 13);
+                        *CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE |
+                                           TIMER_CNTL_AUTORELOAD |
+                                           TIMER_CNTL_DIV16;
+                        *CSR_TIMER4_LOAD = 0x2;
+                        *CSR_TIMER4_CLR  = 0;
+                        *CSR_SA110_CNTL |= (1 << 13);
+                }
+        }
+}