diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index cb557be492b1..35876ffac11d 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -9,13 +9,16 @@ config XTENSA select HAVE_IDE select GENERIC_ATOMIC64 select HAVE_GENERIC_HARDIRQS + select HAVE_VIRT_TO_BUS select GENERIC_IRQ_SHOW select GENERIC_CPU_DEVICES select MODULES_USE_ELF_RELA select GENERIC_PCI_IOMAP + select ARCH_WANT_IPC_PARSE_VERSION select ARCH_WANT_OPTIONAL_GPIOLIB select CLONE_BACKWARDS select IRQ_DOMAIN + select HAVE_OPROFILE help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both @@ -31,7 +34,7 @@ config GENERIC_HWEIGHT def_bool y config GENERIC_GPIO - def_bool y + bool config ARCH_HAS_ILOG2_U32 def_bool n @@ -71,6 +74,12 @@ config XTENSA_VARIANT_DC232B help This variant refers to Tensilica's Diamond 232L Standard core Rev.B (LE). +config XTENSA_VARIANT_DC233C + bool "dc233c - Diamond 233L Standard Core Rev.C (LE)" + select MMU + help + This variant refers to Tensilica's Diamond 233L Standard core Rev.C (LE). + config XTENSA_VARIANT_S6000 bool "s6000 - Stretch software configurable processor" select VARIANT_IRQ_SWITCH @@ -197,6 +206,42 @@ config BUILTIN_DTB string "DTB to build into the kernel image" depends on OF +config BLK_DEV_SIMDISK + tristate "Host file-based simulated block device support" + default n + depends on XTENSA_PLATFORM_ISS + help + Create block devices that map to files in the host file system. + Device binding to host file may be changed at runtime via proc + interface provided the device is not in use. + +config BLK_DEV_SIMDISK_COUNT + int "Number of host file-based simulated block devices" + range 1 10 + depends on BLK_DEV_SIMDISK + default 2 + help + This is the default minimal number of created block devices. + Kernel/module parameter 'simdisk_count' may be used to change this + value at runtime. More file names (but no more than 10) may be + specified as parameters, simdisk_count grows accordingly. + +config SIMDISK0_FILENAME + string "Host filename for the first simulated device" + depends on BLK_DEV_SIMDISK = y + default "" + help + Attach a first simdisk to a host file. Conventionally, this file + contains a root file system. + +config SIMDISK1_FILENAME + string "Host filename for the second simulated device" + depends on BLK_DEV_SIMDISK = y && BLK_DEV_SIMDISK_COUNT != 1 + default "" + help + Another simulated disk in a host file for a buildroot-independent + storage. + source "mm/Kconfig" source "drivers/pcmcia/Kconfig" |