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Diffstat (limited to 'arch/mips/au1000/common/cputable.c')
-rw-r--r--arch/mips/au1000/common/cputable.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/mips/au1000/common/cputable.c b/arch/mips/au1000/common/cputable.c
new file mode 100644
index 00000000000..f5521dfccfd
--- /dev/null
+++ b/arch/mips/au1000/common/cputable.c
@@ -0,0 +1,55 @@
+/*
+ * arch/mips/au1000/common/cputable.c
+ *
+ * Copyright (C) 2004 Dan Malek (dan@embeddededge.com)
+ * Copied from PowerPC and updated for Alchemy Au1xxx processors.
+ *
+ * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
+ *
+ * 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/string.h>
+#include <linux/sched.h>
+#include <linux/threads.h>
+#include <linux/init.h>
+#include <asm/mach-au1x00/au1000.h>
+
+struct cpu_spec* cur_cpu_spec[NR_CPUS];
+
+/* With some thought, we can probably use the mask to reduce the
+ * size of the table.
+ */
+struct cpu_spec cpu_specs[] = {
+ { 0xffffffff, 0x00030100, "Au1000 DA", 1, 0 },
+ { 0xffffffff, 0x00030201, "Au1000 HA", 1, 0 },
+ { 0xffffffff, 0x00030202, "Au1000 HB", 1, 0 },
+ { 0xffffffff, 0x00030203, "Au1000 HC", 1, 1 },
+ { 0xffffffff, 0x00030204, "Au1000 HD", 1, 1 },
+ { 0xffffffff, 0x01030200, "Au1500 AB", 1, 1 },
+ { 0xffffffff, 0x01030201, "Au1500 AC", 0, 1 },
+ { 0xffffffff, 0x01030202, "Au1500 AD", 0, 1 },
+ { 0xffffffff, 0x02030200, "Au1100 AB", 1, 1 },
+ { 0xffffffff, 0x02030201, "Au1100 BA", 1, 1 },
+ { 0xffffffff, 0x02030202, "Au1100 BC", 1, 1 },
+ { 0xffffffff, 0x02030203, "Au1100 BD", 0, 1 },
+ { 0xffffffff, 0x02030204, "Au1100 BE", 0, 1 },
+ { 0xffffffff, 0x03030200, "Au1550 AA", 0, 1 },
+ { 0xffffffff, 0x04030200, "Au1200 AA", 0, 1 },
+ { 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0 },
+};
+
+void
+set_cpuspec(void)
+{
+ struct cpu_spec *sp;
+ u32 prid;
+
+ prid = read_c0_prid();
+ sp = cpu_specs;
+ while ((prid & sp->prid_mask) != sp->prid_value)
+ sp++;
+ cur_cpu_spec[0] = sp;
+}