Commit 068f5914 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Record the major cut revision for probed SH-4A parts. 



Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 09b5a10c

arch/sh/kernel/cpu/sh4/probe.c

+5 −4
Original line number Diff line number Diff line
@@ -50,23 +50,24 @@ int __init detect_cpu_and_cache_system(void) 
	boot_cpu_data.dcache.ways		= 1;

	boot_cpu_data.dcache.linesz		= L1_CACHE_BYTES;



	/* We don't know the chip cut */

	boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1;



	/*

	 * Setup some generic flags we can probe on SH-4A parts

	 */

	if (((pvr >> 24) & 0xff) == 0x10) {

	if (((pvr >> 16) & 0xff) == 0x10) {

		if ((cvr & 0x10000000) == 0)

			boot_cpu_data.flags |= CPU_HAS_DSP;



		boot_cpu_data.flags |= CPU_HAS_LLSC;

		boot_cpu_data.cut_major = pvr & 0x7f;

	}



	/* FPU detection works for everyone */

	if ((cvr & 0x20000000) == 1)

		boot_cpu_data.flags |= CPU_HAS_FPU;



	/* We don't know the chip cut */

	boot_cpu_data.cut_major = boot_cpu_data.cut_minor = -1;



	/* Mask off the upper chip ID */

	pvr &= 0xffff;