sh: Record the major cut revision for probed SH-4A parts.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Родитель
09b5a10c19
Коммит
068f59143d
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@ -50,23 +50,24 @@ int __init detect_cpu_and_cache_system(void)
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boot_cpu_data.dcache.ways = 1;
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boot_cpu_data.dcache.linesz = L1_CACHE_BYTES;
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/* We don't know the chip cut */
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boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1;
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/*
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* Setup some generic flags we can probe on SH-4A parts
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*/
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if (((pvr >> 24) & 0xff) == 0x10) {
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if (((pvr >> 16) & 0xff) == 0x10) {
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if ((cvr & 0x10000000) == 0)
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boot_cpu_data.flags |= CPU_HAS_DSP;
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boot_cpu_data.flags |= CPU_HAS_LLSC;
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boot_cpu_data.cut_major = pvr & 0x7f;
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}
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/* FPU detection works for everyone */
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if ((cvr & 0x20000000) == 1)
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boot_cpu_data.flags |= CPU_HAS_FPU;
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/* We don't know the chip cut */
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boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1;
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/* Mask off the upper chip ID */
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pvr &= 0xffff;
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