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@@ -0,0 +1,49 @@
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+/*
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+ * Copyright (C) 2003 Richard Curnow, SuperH UK Limited
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+ *
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+ * This file is subject to the terms and conditions of the GNU General Public
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+ * License. See the file "COPYING" in the main directory of this archive
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+ * for more details.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/io.h>
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+#include <cpu/registers.h>
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+
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+/* THIS IS A PHYSICAL ADDRESS */
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+#define HDSP2534_ADDR (0x04002100)
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+
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+static void poor_mans_delay(void)
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+{
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+ int i;
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+
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+ for (i = 0; i < 2500000; i++)
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+ cpu_relax();
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+}
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+
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+static void show_value(unsigned long x)
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+{
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+ int i;
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+ unsigned nibble;
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+ for (i = 0; i < 8; i++) {
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+ nibble = ((x >> (i * 4)) & 0xf);
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+
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+ __raw_writeb(nibble + ((nibble > 9) ? 55 : 48),
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+ HDSP2534_ADDR + 0xe0 + ((7 - i) << 2));
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+ }
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+}
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+
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+void
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+panic_handler(unsigned long panicPC, unsigned long panicSSR,
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+ unsigned long panicEXPEVT)
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+{
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+ while (1) {
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+ /* This piece of code displays the PC on the LED display */
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+ show_value(panicPC);
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+ poor_mans_delay();
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+ show_value(panicSSR);
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+ poor_mans_delay();
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+ show_value(panicEXPEVT);
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+ poor_mans_delay();
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+ }
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+}
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