Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e074f980 authored by Ben Dooks's avatar Ben Dooks
Browse files

[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: default avatarBen Dooks <ben-linux@fluff.org>
parent a6925c1c

arch/arm/plat-s3c64xx/cpu.c

+8 −0
Original line number Original line Diff line number Diff line
@@ -126,6 +126,14 @@ void __init s3c64xx_init_io(struct map_desc *mach_desc, int size) 
	iotable_init(mach_desc, size);

	iotable_init(mach_desc, size);





	idcode = __raw_readl(S3C_VA_SYS + 0x118);

	idcode = __raw_readl(S3C_VA_SYS + 0x118);

	if (!idcode) {

		/* S3C6400 has the ID register in a different place,

		 * and needs a write before it can be read. */



		__raw_writel(0x0, S3C_VA_SYS + 0xA1C);

		idcode = __raw_readl(S3C_VA_SYS + 0xA1C);

	}



	s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));

	s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));

}

}