提交 ffe1b4e9 编写于 作者: P Paul Mundt

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: NPaul Mundt <lethal@linux-sh.org>
上级 fbd16846
...@@ -3,7 +3,7 @@ ...@@ -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) ...@@ -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) ...@@ -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();
......
...@@ -195,13 +195,6 @@ int __init detect_cpu_and_cache_system(void) ...@@ -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) ...@@ -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
* *
......
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