| Kconfig (ed3982cf3748b657ffb79d9d1c2e4a562661db2d) | Kconfig (1b9f95f8ade9efc2bd49f0e7b9dc61a038ac3eef) |
|---|---|
| 1config ARM 2 bool 3 default y 4 select HAVE_AOUT 5 select HAVE_DMA_API_DEBUG 6 select HAVE_IDE 7 select HAVE_MEMBLOCK 8 select RTC_LIB --- 181 unchanged lines hidden (view full) --- 190 hex 191 default 0xffff0000 if MMU || CPU_HIGH_VECTOR 192 default DRAM_BASE if REMAP_VECTORS_TO_RAM 193 default 0x00000000 194 help 195 The base address of exception vectors. 196 197config ARM_PATCH_PHYS_VIRT | 1config ARM 2 bool 3 default y 4 select HAVE_AOUT 5 select HAVE_DMA_API_DEBUG 6 select HAVE_IDE 7 select HAVE_MEMBLOCK 8 select RTC_LIB --- 181 unchanged lines hidden (view full) --- 190 hex 191 default 0xffff0000 if MMU || CPU_HIGH_VECTOR 192 default DRAM_BASE if REMAP_VECTORS_TO_RAM 193 default 0x00000000 194 help 195 The base address of exception vectors. 196 197config ARM_PATCH_PHYS_VIRT |
| 198 bool "Patch physical to virtual translations at runtime" | 198 bool "Patch physical to virtual translations at runtime" if EMBEDDED 199 default y |
| 199 depends on !XIP_KERNEL && MMU 200 depends on !ARCH_REALVIEW || !SPARSEMEM 201 help 202 Patch phys-to-virt and virt-to-phys translation functions at 203 boot and module load time according to the position of the 204 kernel in system memory. 205 206 This can only be used with non-XIP MMU kernels where the base | 200 depends on !XIP_KERNEL && MMU 201 depends on !ARCH_REALVIEW || !SPARSEMEM 202 help 203 Patch phys-to-virt and virt-to-phys translation functions at 204 boot and module load time according to the position of the 205 kernel in system memory. 206 207 This can only be used with non-XIP MMU kernels where the base |
| 207 of physical memory is at a 16MB boundary, or theoretically 64K 208 for the MSM machine class. | 208 of physical memory is at a 16MB boundary. |
| 209 | 209 |
| 210config ARM_PATCH_PHYS_VIRT_16BIT 211 def_bool y 212 depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM | 210 Only disable this option if you know that you do not require 211 this feature (eg, building a kernel for a single machine) and 212 you need to shrink the kernel to the minimal size. 213 214config NO_MACH_MEMORY_H 215 bool |
| 213 help | 216 help |
| 214 This option extends the physical to virtual translation patching 215 to allow physical memory down to a theoretical minimum of 64K 216 boundaries. | 217 Select this when mach/memory.h is removed. |
| 217 | 218 |
| 219config PHYS_OFFSET 220 hex "Physical address of main memory" 221 depends on !ARM_PATCH_PHYS_VIRT && NO_MACH_MEMORY_H 222 help 223 Please provide the physical address corresponding to the 224 location of main memory in your system. 225 |
|
| 218source "init/Kconfig" 219 220source "kernel/Kconfig.freezer" 221 222menu "System Type" 223 224config MMU 225 bool "MMU-based Paged Memory Management Support" --- 70 unchanged lines hidden (view full) --- 296 help 297 This enables support for the ARM Ltd Versatile Express boards. 298 299config ARCH_AT91 300 bool "Atmel AT91" 301 select ARCH_REQUIRE_GPIOLIB 302 select HAVE_CLK 303 select CLKDEV_LOOKUP | 226source "init/Kconfig" 227 228source "kernel/Kconfig.freezer" 229 230menu "System Type" 231 232config MMU 233 bool "MMU-based Paged Memory Management Support" --- 70 unchanged lines hidden (view full) --- 304 help 305 This enables support for the ARM Ltd Versatile Express boards. 306 307config ARCH_AT91 308 bool "Atmel AT91" 309 select ARCH_REQUIRE_GPIOLIB 310 select HAVE_CLK 311 select CLKDEV_LOOKUP |
| 304 select ARM_PATCH_PHYS_VIRT if MMU | |
| 305 help 306 This enables support for systems based on the Atmel AT91RM9200, 307 AT91SAM9 and AT91CAP9 processors. 308 309config ARCH_BCMRING 310 bool "Broadcom BCMRING" 311 depends on MMU 312 select CPU_V6 --- 953 unchanged lines hidden (view full) --- 1266 help 1267 This option enables the workaround for the 754327 Cortex-A9 (prior to 1268 r2p0) erratum. The Store Buffer does not have any automatic draining 1269 mechanism and therefore a livelock may occur if an external agent 1270 continuously polls a memory location waiting to observe an update. 1271 This workaround defines cpu_relax() as smp_mb(), preventing correctly 1272 written polling loops from denying visibility of updates to memory. 1273 | 312 help 313 This enables support for systems based on the Atmel AT91RM9200, 314 AT91SAM9 and AT91CAP9 processors. 315 316config ARCH_BCMRING 317 bool "Broadcom BCMRING" 318 depends on MMU 319 select CPU_V6 --- 953 unchanged lines hidden (view full) --- 1273 help 1274 This option enables the workaround for the 754327 Cortex-A9 (prior to 1275 r2p0) erratum. The Store Buffer does not have any automatic draining 1276 mechanism and therefore a livelock may occur if an external agent 1277 continuously polls a memory location waiting to observe an update. 1278 This workaround defines cpu_relax() as smp_mb(), preventing correctly 1279 written polling loops from denying visibility of updates to memory. 1280 |
| 1274config ARM_ERRATA_364296 1275 bool "ARM errata: Possible cache data corruption with hit-under-miss enabled" 1276 depends on CPU_V6 && !SMP 1277 help 1278 This options enables the workaround for the 364296 ARM1136 1279 r0p2 erratum (possible cache data corruption with 1280 hit-under-miss enabled). It sets the undocumented bit 31 in 1281 the auxiliary control register and the FI bit in the control 1282 register, thus disabling hit-under-miss without putting the 1283 processor into full low interrupt latency mode. ARM11MPCore 1284 is not affected. 1285 | |
| 1286endmenu 1287 1288source "arch/arm/common/Kconfig" 1289 1290menu "Bus support" 1291 1292config ARM_AMBA 1293 bool --- 811 unchanged lines hidden --- | 1281endmenu 1282 1283source "arch/arm/common/Kconfig" 1284 1285menu "Bus support" 1286 1287config ARM_AMBA 1288 bool --- 811 unchanged lines hidden --- |