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-rw-r--r--arch/sh/boards/cat68701/setup.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/sh/boards/cat68701/setup.c b/arch/sh/boards/cat68701/setup.c
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+++ b/arch/sh/boards/cat68701/setup.c
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+/*
+ * linux/arch/sh/boards/cat68701/setup.c
+ *
+ * Copyright (C) 2000 Niibe Yutaka
+ * 2001 Yutaro Ebihara
+ *
+ * Setup routines for A-ONE Corp CAT-68701 SH7708 Board
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+
+#include <asm/io.h>
+#include <asm/machvec.h>
+#include <asm/mach/io.h>
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+
+const char *get_system_type(void)
+{
+ return "CAT-68701";
+}
+
+#ifdef CONFIG_HEARTBEAT
+void heartbeat_cat68701()
+{
+ static unsigned int cnt = 0, period = 0 , bit = 0;
+ cnt += 1;
+ if (cnt < period) {
+ return;
+ }
+ cnt = 0;
+
+ /* Go through the points (roughly!):
+ * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
+ */
+ period = 110 - ( (300<<FSHIFT)/
+ ((avenrun[0]/5) + (3<<FSHIFT)) );
+
+ if(bit){ bit=0; }else{ bit=1; }
+ outw(bit<<15,0x3fe);
+}
+#endif /* CONFIG_HEARTBEAT */
+
+unsigned long cat68701_isa_port2addr(unsigned long offset)
+{
+ /* CompactFlash (IDE) */
+ if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset==0x3f6))
+ return 0xba000000 + offset;
+
+ /* INPUT PORT */
+ if ((offset >= 0x3fc) && (offset <= 0x3fd))
+ return 0xb4007000 + offset;
+
+ /* OUTPUT PORT */
+ if ((offset >= 0x3fe) && (offset <= 0x3ff))
+ return 0xb4007400 + offset;
+
+ return offset + 0xb4000000; /* other I/O (EREA 5)*/
+}
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_cat68701 __initmv = {
+ .mv_nr_irqs = 32,
+ .mv_isa_port2addr = cat68701_isa_port2addr,
+ .mv_irq_demux = cat68701_irq_demux,
+
+ .mv_init_irq = init_cat68701_IRQ,
+#ifdef CONFIG_HEARTBEAT
+ .mv_heartbeat = heartbeat_cat68701,
+#endif
+};
+ALIAS_MV(cat68701)
+
+int __init platform_setup(void)
+{
+ /* dummy read erea5 (CS8900A) */
+}
+