aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/Kconfig')
-rw-r--r--arch/mips/Kconfig50
1 files changed, 23 insertions, 27 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 87f0b79c6b15..ee5fbb02b28f 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1067,6 +1067,7 @@ choice
1067config CPU_MIPS32_R1 1067config CPU_MIPS32_R1
1068 bool "MIPS32 Release 1" 1068 bool "MIPS32 Release 1"
1069 depends on SYS_HAS_CPU_MIPS32_R1 1069 depends on SYS_HAS_CPU_MIPS32_R1
1070 select CPU_HAS_LLSC
1070 select CPU_HAS_PREFETCH 1071 select CPU_HAS_PREFETCH
1071 select CPU_SUPPORTS_32BIT_KERNEL 1072 select CPU_SUPPORTS_32BIT_KERNEL
1072 select CPU_SUPPORTS_HIGHMEM 1073 select CPU_SUPPORTS_HIGHMEM
@@ -1084,6 +1085,7 @@ config CPU_MIPS32_R1
1084config CPU_MIPS32_R2 1085config CPU_MIPS32_R2
1085 bool "MIPS32 Release 2" 1086 bool "MIPS32 Release 2"
1086 depends on SYS_HAS_CPU_MIPS32_R2 1087 depends on SYS_HAS_CPU_MIPS32_R2
1088 select CPU_HAS_LLSC
1087 select CPU_HAS_PREFETCH 1089 select CPU_HAS_PREFETCH
1088 select CPU_SUPPORTS_32BIT_KERNEL 1090 select CPU_SUPPORTS_32BIT_KERNEL
1089 select CPU_SUPPORTS_HIGHMEM 1091 select CPU_SUPPORTS_HIGHMEM
@@ -1097,6 +1099,7 @@ config CPU_MIPS32_R2
1097config CPU_MIPS64_R1 1099config CPU_MIPS64_R1
1098 bool "MIPS64 Release 1" 1100 bool "MIPS64 Release 1"
1099 depends on SYS_HAS_CPU_MIPS64_R1 1101 depends on SYS_HAS_CPU_MIPS64_R1
1102 select CPU_HAS_LLSC
1100 select CPU_HAS_PREFETCH 1103 select CPU_HAS_PREFETCH
1101 select CPU_SUPPORTS_32BIT_KERNEL 1104 select CPU_SUPPORTS_32BIT_KERNEL
1102 select CPU_SUPPORTS_64BIT_KERNEL 1105 select CPU_SUPPORTS_64BIT_KERNEL
@@ -1115,6 +1118,7 @@ config CPU_MIPS64_R1
1115config CPU_MIPS64_R2 1118config CPU_MIPS64_R2
1116 bool "MIPS64 Release 2" 1119 bool "MIPS64 Release 2"
1117 depends on SYS_HAS_CPU_MIPS64_R2 1120 depends on SYS_HAS_CPU_MIPS64_R2
1121 select CPU_HAS_LLSC
1118 select CPU_HAS_PREFETCH 1122 select CPU_HAS_PREFETCH
1119 select CPU_SUPPORTS_32BIT_KERNEL 1123 select CPU_SUPPORTS_32BIT_KERNEL
1120 select CPU_SUPPORTS_64BIT_KERNEL 1124 select CPU_SUPPORTS_64BIT_KERNEL
@@ -1129,6 +1133,7 @@ config CPU_MIPS64_R2
1129config CPU_R3000 1133config CPU_R3000
1130 bool "R3000" 1134 bool "R3000"
1131 depends on SYS_HAS_CPU_R3000 1135 depends on SYS_HAS_CPU_R3000
1136 select CPU_HAS_WB
1132 select CPU_SUPPORTS_32BIT_KERNEL 1137 select CPU_SUPPORTS_32BIT_KERNEL
1133 select CPU_SUPPORTS_HIGHMEM 1138 select CPU_SUPPORTS_HIGHMEM
1134 help 1139 help
@@ -1158,6 +1163,7 @@ config CPU_VR41XX
1158config CPU_R4300 1163config CPU_R4300
1159 bool "R4300" 1164 bool "R4300"
1160 depends on SYS_HAS_CPU_R4300 1165 depends on SYS_HAS_CPU_R4300
1166 select CPU_HAS_LLSC
1161 select CPU_SUPPORTS_32BIT_KERNEL 1167 select CPU_SUPPORTS_32BIT_KERNEL
1162 select CPU_SUPPORTS_64BIT_KERNEL 1168 select CPU_SUPPORTS_64BIT_KERNEL
1163 help 1169 help
@@ -1166,6 +1172,7 @@ config CPU_R4300
1166config CPU_R4X00 1172config CPU_R4X00
1167 bool "R4x00" 1173 bool "R4x00"
1168 depends on SYS_HAS_CPU_R4X00 1174 depends on SYS_HAS_CPU_R4X00
1175 select CPU_HAS_LLSC
1169 select CPU_SUPPORTS_32BIT_KERNEL 1176 select CPU_SUPPORTS_32BIT_KERNEL
1170 select CPU_SUPPORTS_64BIT_KERNEL 1177 select CPU_SUPPORTS_64BIT_KERNEL
1171 help 1178 help
@@ -1175,6 +1182,7 @@ config CPU_R4X00
1175config CPU_TX49XX 1182config CPU_TX49XX
1176 bool "R49XX" 1183 bool "R49XX"
1177 depends on SYS_HAS_CPU_TX49XX 1184 depends on SYS_HAS_CPU_TX49XX
1185 select CPU_HAS_LLSC
1178 select CPU_HAS_PREFETCH 1186 select CPU_HAS_PREFETCH
1179 select CPU_SUPPORTS_32BIT_KERNEL 1187 select CPU_SUPPORTS_32BIT_KERNEL
1180 select CPU_SUPPORTS_64BIT_KERNEL 1188 select CPU_SUPPORTS_64BIT_KERNEL
@@ -1182,6 +1190,7 @@ config CPU_TX49XX
1182config CPU_R5000 1190config CPU_R5000
1183 bool "R5000" 1191 bool "R5000"
1184 depends on SYS_HAS_CPU_R5000 1192 depends on SYS_HAS_CPU_R5000
1193 select CPU_HAS_LLSC
1185 select CPU_SUPPORTS_32BIT_KERNEL 1194 select CPU_SUPPORTS_32BIT_KERNEL
1186 select CPU_SUPPORTS_64BIT_KERNEL 1195 select CPU_SUPPORTS_64BIT_KERNEL
1187 help 1196 help
@@ -1190,12 +1199,14 @@ config CPU_R5000
1190config CPU_R5432 1199config CPU_R5432
1191 bool "R5432" 1200 bool "R5432"
1192 depends on SYS_HAS_CPU_R5432 1201 depends on SYS_HAS_CPU_R5432
1202 select CPU_HAS_LLSC
1193 select CPU_SUPPORTS_32BIT_KERNEL 1203 select CPU_SUPPORTS_32BIT_KERNEL
1194 select CPU_SUPPORTS_64BIT_KERNEL 1204 select CPU_SUPPORTS_64BIT_KERNEL
1195 1205
1196config CPU_R6000 1206config CPU_R6000
1197 bool "R6000" 1207 bool "R6000"
1198 depends on EXPERIMENTAL 1208 depends on EXPERIMENTAL
1209 select CPU_HAS_LLSC
1199 depends on SYS_HAS_CPU_R6000 1210 depends on SYS_HAS_CPU_R6000
1200 select CPU_SUPPORTS_32BIT_KERNEL 1211 select CPU_SUPPORTS_32BIT_KERNEL
1201 help 1212 help
@@ -1205,6 +1216,7 @@ config CPU_R6000
1205config CPU_NEVADA 1216config CPU_NEVADA
1206 bool "RM52xx" 1217 bool "RM52xx"
1207 depends on SYS_HAS_CPU_NEVADA 1218 depends on SYS_HAS_CPU_NEVADA
1219 select CPU_HAS_LLSC
1208 select CPU_SUPPORTS_32BIT_KERNEL 1220 select CPU_SUPPORTS_32BIT_KERNEL
1209 select CPU_SUPPORTS_64BIT_KERNEL 1221 select CPU_SUPPORTS_64BIT_KERNEL
1210 help 1222 help
@@ -1214,6 +1226,7 @@ config CPU_R8000
1214 bool "R8000" 1226 bool "R8000"
1215 depends on EXPERIMENTAL 1227 depends on EXPERIMENTAL
1216 depends on SYS_HAS_CPU_R8000 1228 depends on SYS_HAS_CPU_R8000
1229 select CPU_HAS_LLSC
1217 select CPU_HAS_PREFETCH 1230 select CPU_HAS_PREFETCH
1218 select CPU_SUPPORTS_64BIT_KERNEL 1231 select CPU_SUPPORTS_64BIT_KERNEL
1219 help 1232 help
@@ -1223,6 +1236,7 @@ config CPU_R8000
1223config CPU_R10000 1236config CPU_R10000
1224 bool "R10000" 1237 bool "R10000"
1225 depends on SYS_HAS_CPU_R10000 1238 depends on SYS_HAS_CPU_R10000
1239 select CPU_HAS_LLSC
1226 select CPU_HAS_PREFETCH 1240 select CPU_HAS_PREFETCH
1227 select CPU_SUPPORTS_32BIT_KERNEL 1241 select CPU_SUPPORTS_32BIT_KERNEL
1228 select CPU_SUPPORTS_64BIT_KERNEL 1242 select CPU_SUPPORTS_64BIT_KERNEL
@@ -1233,6 +1247,7 @@ config CPU_R10000
1233config CPU_RM7000 1247config CPU_RM7000
1234 bool "RM7000" 1248 bool "RM7000"
1235 depends on SYS_HAS_CPU_RM7000 1249 depends on SYS_HAS_CPU_RM7000
1250 select CPU_HAS_LLSC
1236 select CPU_HAS_PREFETCH 1251 select CPU_HAS_PREFETCH
1237 select CPU_SUPPORTS_32BIT_KERNEL 1252 select CPU_SUPPORTS_32BIT_KERNEL
1238 select CPU_SUPPORTS_64BIT_KERNEL 1253 select CPU_SUPPORTS_64BIT_KERNEL
@@ -1241,6 +1256,7 @@ config CPU_RM7000
1241config CPU_RM9000 1256config CPU_RM9000
1242 bool "RM9000" 1257 bool "RM9000"
1243 depends on SYS_HAS_CPU_RM9000 1258 depends on SYS_HAS_CPU_RM9000
1259 select CPU_HAS_LLSC
1244 select CPU_HAS_PREFETCH 1260 select CPU_HAS_PREFETCH
1245 select CPU_SUPPORTS_32BIT_KERNEL 1261 select CPU_SUPPORTS_32BIT_KERNEL
1246 select CPU_SUPPORTS_64BIT_KERNEL 1262 select CPU_SUPPORTS_64BIT_KERNEL
@@ -1249,6 +1265,7 @@ config CPU_RM9000
1249config CPU_SB1 1265config CPU_SB1
1250 bool "SB1" 1266 bool "SB1"
1251 depends on SYS_HAS_CPU_SB1 1267 depends on SYS_HAS_CPU_SB1
1268 select CPU_HAS_LLSC
1252 select CPU_SUPPORTS_32BIT_KERNEL 1269 select CPU_SUPPORTS_32BIT_KERNEL
1253 select CPU_SUPPORTS_64BIT_KERNEL 1270 select CPU_SUPPORTS_64BIT_KERNEL
1254 select CPU_SUPPORTS_HIGHMEM 1271 select CPU_SUPPORTS_HIGHMEM
@@ -1449,6 +1466,8 @@ choice
1449 1466
1450config MIPS_MT_SMTC 1467config MIPS_MT_SMTC
1451 bool "SMTC: Use all TCs on all VPEs for SMP" 1468 bool "SMTC: Use all TCs on all VPEs for SMP"
1469 select CPU_MIPSR2_IRQ_VI
1470 select CPU_MIPSR2_SRS
1452 select SMP 1471 select SMP
1453 1472
1454config MIPS_MT_SMP 1473config MIPS_MT_SMP
@@ -1514,38 +1533,15 @@ config 64BIT_PHYS_ADDR
1514 bool "Support for 64-bit physical address space" 1533 bool "Support for 64-bit physical address space"
1515 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT 1534 depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32 || CPU_MIPS64) && 32BIT
1516 1535
1517config CPU_ADVANCED
1518 bool "Override CPU Options"
1519 depends on 32BIT
1520 help
1521 Saying yes here allows you to select support for various features
1522 your CPU may or may not have. Most people should say N here.
1523
1524config CPU_HAS_LLSC 1536config CPU_HAS_LLSC
1525 bool "ll/sc Instructions available" if CPU_ADVANCED 1537 bool
1526 default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX
1527 help
1528 MIPS R4000 series and later provide the Load Linked (ll)
1529 and Store Conditional (sc) instructions. More information is
1530 available at <http://www.go-ecs.com/mips/miptek1.htm>.
1531
1532 Say Y here if your CPU has the ll and sc instructions. Say Y here
1533 for better performance, N if you don't know. You must say Y here
1534 for multiprocessor machines.
1535 1538
1536config CPU_HAS_WB 1539config CPU_HAS_WB
1537 bool "Writeback Buffer available" if CPU_ADVANCED 1540 bool
1538 default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION
1539 help
1540 Say N here for slightly better performance. You must say Y here for
1541 machines which require flushing of write buffers in software. Saying
1542 Y is the safe option; N may result in kernel malfunction and crashes.
1543
1544menu "MIPSR2 Interrupt handling"
1545 depends on CPU_MIPSR2 && CPU_ADVANCED
1546 1541
1547config CPU_MIPSR2_IRQ_VI 1542config CPU_MIPSR2_IRQ_VI
1548 bool "Vectored interrupt mode" 1543 bool "Vectored interrupt mode"
1544 depends on CPU_MIPSR2
1549 help 1545 help
1550 Vectored interrupt mode allowing faster dispatching of interrupts. 1546 Vectored interrupt mode allowing faster dispatching of interrupts.
1551 The board support code needs to be written to take advantage of this 1547 The board support code needs to be written to take advantage of this
@@ -1555,6 +1551,7 @@ config CPU_MIPSR2_IRQ_VI
1555 1551
1556config CPU_MIPSR2_IRQ_EI 1552config CPU_MIPSR2_IRQ_EI
1557 bool "External interrupt controller mode" 1553 bool "External interrupt controller mode"
1554 depends on CPU_MIPSR2
1558 help 1555 help
1559 Extended interrupt mode takes advantage of an external interrupt 1556 Extended interrupt mode takes advantage of an external interrupt
1560 controller to allow fast dispatching from many possible interrupt 1557 controller to allow fast dispatching from many possible interrupt
@@ -1568,7 +1565,6 @@ config CPU_MIPSR2_SRS
1568 Allow the kernel to use shadow register sets for fast interrupts. 1565 Allow the kernel to use shadow register sets for fast interrupts.
1569 Interrupt handlers must be specially written to use shadow sets. 1566 Interrupt handlers must be specially written to use shadow sets.
1570 Say N unless you know that shadow register set upport is needed. 1567 Say N unless you know that shadow register set upport is needed.
1571endmenu
1572 1568
1573config CPU_HAS_SYNC 1569config CPU_HAS_SYNC
1574 bool 1570 bool