diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-03-12 03:15:22 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2007-03-12 03:15:22 -0400 |
commit | ffe1b4e9f436fd7bb784f3bf7ee963c149fbca5f (patch) | |
tree | 53e5404fda007af8efbb985a4910cbaa39a6b747 /arch | |
parent | fbd168461e65e73016c34b2eacd76d87218c8a9f (diff) |
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: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sh/kernel/cpu/init.c | 20 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4/probe.c | 13 |
2 files changed, 17 insertions, 16 deletions
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 4b339a640b13..726acfcb9b77 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c | |||
@@ -3,7 +3,7 @@ | |||
3 | * | 3 | * |
4 | * CPU init code | 4 | * CPU init code |
5 | * | 5 | * |
6 | * Copyright (C) 2002 - 2006 Paul Mundt | 6 | * Copyright (C) 2002 - 2007 Paul Mundt |
7 | * Copyright (C) 2003 Richard Curnow | 7 | * Copyright (C) 2003 Richard Curnow |
8 | * | 8 | * |
9 | * This file is subject to the terms and conditions of the GNU General Public | 9 | * 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 | { | 48 | { |
49 | unsigned long ccr, flags; | 49 | unsigned long ccr, flags; |
50 | 50 | ||
51 | if (current_cpu_data.type == CPU_SH_NONE) | 51 | /* First setup the rest of the I-cache info */ |
52 | panic("Unknown CPU"); | 52 | current_cpu_data.icache.entry_mask = current_cpu_data.icache.way_incr - |
53 | current_cpu_data.icache.linesz; | ||
54 | |||
55 | current_cpu_data.icache.way_size = current_cpu_data.icache.sets * | ||
56 | current_cpu_data.icache.linesz; | ||
57 | |||
58 | /* And the D-cache too */ | ||
59 | current_cpu_data.dcache.entry_mask = current_cpu_data.dcache.way_incr - | ||
60 | current_cpu_data.dcache.linesz; | ||
61 | |||
62 | current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets * | ||
63 | current_cpu_data.dcache.linesz; | ||
53 | 64 | ||
54 | jump_to_P2(); | 65 | jump_to_P2(); |
55 | ccr = ctrl_inl(CCR); | 66 | ccr = ctrl_inl(CCR); |
@@ -200,6 +211,9 @@ asmlinkage void __init sh_cpu_init(void) | |||
200 | /* First, probe the CPU */ | 211 | /* First, probe the CPU */ |
201 | detect_cpu_and_cache_system(); | 212 | detect_cpu_and_cache_system(); |
202 | 213 | ||
214 | if (current_cpu_data.type == CPU_SH_NONE) | ||
215 | panic("Unknown CPU"); | ||
216 | |||
203 | /* Init the cache */ | 217 | /* Init the cache */ |
204 | cache_init(); | 218 | cache_init(); |
205 | 219 | ||
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index 9d28c88d2f9d..58950de2696d 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c | |||
@@ -195,13 +195,6 @@ int __init detect_cpu_and_cache_system(void) | |||
195 | 195 | ||
196 | } | 196 | } |
197 | 197 | ||
198 | /* Setup the rest of the I-cache info */ | ||
199 | current_cpu_data.icache.entry_mask = current_cpu_data.icache.way_incr - | ||
200 | current_cpu_data.icache.linesz; | ||
201 | |||
202 | current_cpu_data.icache.way_size = current_cpu_data.icache.sets * | ||
203 | current_cpu_data.icache.linesz; | ||
204 | |||
205 | /* And the rest of the D-cache */ | 198 | /* And the rest of the D-cache */ |
206 | if (current_cpu_data.dcache.ways > 1) { | 199 | if (current_cpu_data.dcache.ways > 1) { |
207 | size = sizes[(cvr >> 16) & 0xf]; | 200 | size = sizes[(cvr >> 16) & 0xf]; |
@@ -209,12 +202,6 @@ int __init detect_cpu_and_cache_system(void) | |||
209 | current_cpu_data.dcache.sets = (size >> 6); | 202 | current_cpu_data.dcache.sets = (size >> 6); |
210 | } | 203 | } |
211 | 204 | ||
212 | current_cpu_data.dcache.entry_mask = current_cpu_data.dcache.way_incr - | ||
213 | current_cpu_data.dcache.linesz; | ||
214 | |||
215 | current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets * | ||
216 | current_cpu_data.dcache.linesz; | ||
217 | |||
218 | /* | 205 | /* |
219 | * Setup the L2 cache desc | 206 | * Setup the L2 cache desc |
220 | * | 207 | * |