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authorKumar Gala <galak@kernel.crashing.org>2007-09-13 02:44:20 -0400
committerKumar Gala <galak@kernel.crashing.org>2007-09-14 09:53:30 -0400
commit5e14d21e3f28a4181dacff0336040e30942f4921 (patch)
treeebaa8217d5af80e15116960641a0bf87a8b5d717 /arch/powerpc/kernel/cputable.c
parentd8f1324a5063c833862328ceafabc53ac3cc4f71 (diff)
[POWERPC] Add cpu feature for SPE handling
Make it so that SPE support can be determined at runtime. This is similiar to how we handle AltiVec. This allows us to have SPE support built in and work on processors with and without SPE. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/cputable.c')
-rw-r--r--arch/powerpc/kernel/cputable.c23
1 files changed, 7 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 5873073c904..8eb8087383e 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -68,15 +68,6 @@ extern void __restore_cpu_ppc970(void);
68#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \ 68#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
69 PPC_FEATURE_BOOKE) 69 PPC_FEATURE_BOOKE)
70 70
71/* We only set the spe features if the kernel was compiled with
72 * spe support
73 */
74#ifdef CONFIG_SPE
75#define PPC_FEATURE_SPE_COMP PPC_FEATURE_HAS_SPE
76#else
77#define PPC_FEATURE_SPE_COMP 0
78#endif
79
80static struct cpu_spec cpu_specs[] = { 71static struct cpu_spec cpu_specs[] = {
81#ifdef CONFIG_PPC64 72#ifdef CONFIG_PPC64
82 { /* Power3 */ 73 { /* Power3 */
@@ -1261,8 +1252,8 @@ static struct cpu_spec cpu_specs[] = {
1261 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ 1252 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1262 .cpu_features = CPU_FTRS_E200, 1253 .cpu_features = CPU_FTRS_E200,
1263 .cpu_user_features = COMMON_USER_BOOKE | 1254 .cpu_user_features = COMMON_USER_BOOKE |
1264 PPC_FEATURE_SPE_COMP | 1255 PPC_FEATURE_HAS_SPE_COMP |
1265 PPC_FEATURE_HAS_EFP_SINGLE | 1256 PPC_FEATURE_HAS_EFP_SINGLE_COMP |
1266 PPC_FEATURE_UNIFIED_CACHE, 1257 PPC_FEATURE_UNIFIED_CACHE,
1267 .dcache_bsize = 32, 1258 .dcache_bsize = 32,
1268 .platform = "ppc5554", 1259 .platform = "ppc5554",
@@ -1274,8 +1265,8 @@ static struct cpu_spec cpu_specs[] = {
1274 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ 1265 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1275 .cpu_features = CPU_FTRS_E500, 1266 .cpu_features = CPU_FTRS_E500,
1276 .cpu_user_features = COMMON_USER_BOOKE | 1267 .cpu_user_features = COMMON_USER_BOOKE |
1277 PPC_FEATURE_SPE_COMP | 1268 PPC_FEATURE_HAS_SPE_COMP |
1278 PPC_FEATURE_HAS_EFP_SINGLE, 1269 PPC_FEATURE_HAS_EFP_SINGLE_COMP,
1279 .icache_bsize = 32, 1270 .icache_bsize = 32,
1280 .dcache_bsize = 32, 1271 .dcache_bsize = 32,
1281 .num_pmcs = 4, 1272 .num_pmcs = 4,
@@ -1290,9 +1281,9 @@ static struct cpu_spec cpu_specs[] = {
1290 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */ 1281 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1291 .cpu_features = CPU_FTRS_E500_2, 1282 .cpu_features = CPU_FTRS_E500_2,
1292 .cpu_user_features = COMMON_USER_BOOKE | 1283 .cpu_user_features = COMMON_USER_BOOKE |
1293 PPC_FEATURE_SPE_COMP | 1284 PPC_FEATURE_HAS_SPE_COMP |
1294 PPC_FEATURE_HAS_EFP_SINGLE | 1285 PPC_FEATURE_HAS_EFP_SINGLE_COMP |
1295 PPC_FEATURE_HAS_EFP_DOUBLE, 1286 PPC_FEATURE_HAS_EFP_DOUBLE_COMP,
1296 .icache_bsize = 32, 1287 .icache_bsize = 32,
1297 .dcache_bsize = 32, 1288 .dcache_bsize = 32,
1298 .num_pmcs = 4, 1289 .num_pmcs = 4,