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Commit ffe1b4e9 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Fix SH-3 cache entry_mask and way_size calculation. 



The code for performing the calculation was only in the SH-4 probe
path, move it out to the common path so the other parts get this
right too.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent fbd16846

arch/sh/kernel/cpu/init.c

+17 −3
Original line number Original line Diff line number Diff line
@@ -3,7 +3,7 @@ 
 *

 *

 * CPU init code

 * CPU init code

 *

 *

 * Copyright (C) 2002 - 2006  Paul Mundt

 * Copyright (C) 2002 - 2007  Paul Mundt

 * Copyright (C) 2003  Richard Curnow

 * Copyright (C) 2003  Richard Curnow

 *

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * This file is subject to the terms and conditions of the GNU General Public
@@ -48,8 +48,19 @@ static void __init cache_init(void) 
{

{

	unsigned long ccr, flags;

	unsigned long ccr, flags;





	if (current_cpu_data.type == CPU_SH_NONE)

	/* First setup the rest of the I-cache info */

		panic("Unknown CPU");

	current_cpu_data.icache.entry_mask = current_cpu_data.icache.way_incr -

				      current_cpu_data.icache.linesz;



	current_cpu_data.icache.way_size = current_cpu_data.icache.sets *

				    current_cpu_data.icache.linesz;



	/* And the D-cache too */

	current_cpu_data.dcache.entry_mask = current_cpu_data.dcache.way_incr -

				      current_cpu_data.dcache.linesz;



	current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets *

				    current_cpu_data.dcache.linesz;





	jump_to_P2();

	jump_to_P2();

	ccr = ctrl_inl(CCR);

	ccr = ctrl_inl(CCR);
@@ -200,6 +211,9 @@ asmlinkage void __init sh_cpu_init(void) 
	/* First, probe the CPU */

	/* First, probe the CPU */

	detect_cpu_and_cache_system();

	detect_cpu_and_cache_system();





	if (current_cpu_data.type == CPU_SH_NONE)

		panic("Unknown CPU");



	/* Init the cache */

	/* Init the cache */

	cache_init();

	cache_init();

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

+0 −13
Original line number Original line Diff line number Diff line
@@ -195,13 +195,6 @@ int __init detect_cpu_and_cache_system(void) 




	}

	}





	/* Setup the rest of the I-cache info */

	current_cpu_data.icache.entry_mask = current_cpu_data.icache.way_incr -

				      current_cpu_data.icache.linesz;



	current_cpu_data.icache.way_size = current_cpu_data.icache.sets *

				    current_cpu_data.icache.linesz;



	/* And the rest of the D-cache */

	/* And the rest of the D-cache */

	if (current_cpu_data.dcache.ways > 1) {

	if (current_cpu_data.dcache.ways > 1) {

		size = sizes[(cvr >> 16) & 0xf];

		size = sizes[(cvr >> 16) & 0xf];
@@ -209,12 +202,6 @@ int __init detect_cpu_and_cache_system(void) 
		current_cpu_data.dcache.sets		= (size >> 6);

		current_cpu_data.dcache.sets		= (size >> 6);

	}

	}





	current_cpu_data.dcache.entry_mask = current_cpu_data.dcache.way_incr -

				      current_cpu_data.dcache.linesz;



	current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets *

				    current_cpu_data.dcache.linesz;



	/*

	/*

	 * Setup the L2 cache desc

	 * Setup the L2 cache desc

	 *

	 *