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56 lines
1.8 KiB
56 lines
1.8 KiB
/*
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* arch/mips/au1000/common/cputable.c
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*
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* Copyright (C) 2004 Dan Malek (dan@embeddededge.com)
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* Copied from PowerPC and updated for Alchemy Au1xxx processors.
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*
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* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/string.h>
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#include <linux/sched.h>
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#include <linux/threads.h>
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#include <linux/init.h>
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#include <asm/mach-au1x00/au1000.h>
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struct cpu_spec* cur_cpu_spec[NR_CPUS];
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/* With some thought, we can probably use the mask to reduce the
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* size of the table.
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*/
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struct cpu_spec cpu_specs[] = {
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{ 0xffffffff, 0x00030100, "Au1000 DA", 1, 0 },
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{ 0xffffffff, 0x00030201, "Au1000 HA", 1, 0 },
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{ 0xffffffff, 0x00030202, "Au1000 HB", 1, 0 },
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{ 0xffffffff, 0x00030203, "Au1000 HC", 1, 1 },
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{ 0xffffffff, 0x00030204, "Au1000 HD", 1, 1 },
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{ 0xffffffff, 0x01030200, "Au1500 AB", 1, 1 },
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{ 0xffffffff, 0x01030201, "Au1500 AC", 0, 1 },
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{ 0xffffffff, 0x01030202, "Au1500 AD", 0, 1 },
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{ 0xffffffff, 0x02030200, "Au1100 AB", 1, 1 },
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{ 0xffffffff, 0x02030201, "Au1100 BA", 1, 1 },
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{ 0xffffffff, 0x02030202, "Au1100 BC", 1, 1 },
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{ 0xffffffff, 0x02030203, "Au1100 BD", 0, 1 },
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{ 0xffffffff, 0x02030204, "Au1100 BE", 0, 1 },
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{ 0xffffffff, 0x03030200, "Au1550 AA", 0, 1 },
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{ 0xffffffff, 0x04030200, "Au1200 AB", 0, 0 },
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{ 0xffffffff, 0x04030201, "Au1200 AC", 1, 0 },
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{ 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0 },
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};
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void
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set_cpuspec(void)
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{
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struct cpu_spec *sp;
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u32 prid;
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prid = read_c0_prid();
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sp = cpu_specs;
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while ((prid & sp->prid_mask) != sp->prid_value)
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sp++;
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cur_cpu_spec[0] = sp;
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}
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