[ARM] S3C64XX: Add S3C6400 CPU detection.
Add detection support for the S3C6400 SoC which has it's id register in a different place to the S3C6410. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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@ -126,6 +126,14 @@ void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
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iotable_init(mach_desc, size);
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iotable_init(mach_desc, size);
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idcode = __raw_readl(S3C_VA_SYS + 0x118);
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idcode = __raw_readl(S3C_VA_SYS + 0x118);
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if (!idcode) {
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/* S3C6400 has the ID register in a different place,
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* and needs a write before it can be read. */
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__raw_writel(0x0, S3C_VA_SYS + 0xA1C);
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idcode = __raw_readl(S3C_VA_SYS + 0xA1C);
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}
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s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
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s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
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}
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}
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