diff options
Diffstat (limited to 'arch/xtensa/Kconfig')
| -rw-r--r-- | arch/xtensa/Kconfig | 98 |
1 files changed, 41 insertions, 57 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index c921e8bccdc8..d29b7365da8d 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -1,15 +1,16 @@ # SPDX-License-Identifier: GPL-2.0 -config ZONE_DMA - def_bool y - config XTENSA def_bool y + select ARCH_HAS_SG_CHAIN + select ARCH_HAS_SYNC_DMA_FOR_CPU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE select ARCH_NO_COHERENT_DMA_MMAP if !MMU select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select COMMON_CLK + select DMA_DIRECT_OPS select GENERIC_ATOMIC64 select GENERIC_CLOCKEVENTS select GENERIC_IRQ_SHOW @@ -17,21 +18,18 @@ config XTENSA select GENERIC_SCHED_CLOCK select GENERIC_STRNCPY_FROM_USER if KASAN select HAVE_ARCH_KASAN if MMU - select HAVE_CC_STACKPROTECTOR select HAVE_DEBUG_KMEMLEAK - select HAVE_DMA_API_DEBUG select HAVE_DMA_CONTIGUOUS select HAVE_EXIT_THREAD select HAVE_FUNCTION_TRACER select HAVE_FUTEX_CMPXCHG if !MMU select HAVE_HW_BREAKPOINT if PERF_EVENTS select HAVE_IRQ_TIME_ACCOUNTING - select HAVE_MEMBLOCK select HAVE_OPROFILE select HAVE_PERF_EVENTS + select HAVE_STACKPROTECTOR select IRQ_DOMAIN select MODULES_USE_ELF_RELA - select NO_BOOTMEM select PERF_USE_VMALLOC select VIRT_TO_BUS help @@ -61,9 +59,6 @@ config HZ int default 100 -source "init/Kconfig" -source "kernel/Kconfig.freezer" - config LOCKDEP_SUPPORT def_bool y @@ -76,9 +71,6 @@ config TRACE_IRQFLAGS_SUPPORT config MMU def_bool n -config VARIANT_IRQ_SWITCH - def_bool n - config HAVE_XTENSA_GPIO32 def_bool n @@ -177,8 +169,6 @@ config XTENSA_UNALIGNED_USER Say Y here to enable unaligned memory access in user space. -source "kernel/Kconfig.preempt" - config HAVE_SMP bool "System Supports SMP (MX)" depends on XTENSA_VARIANT_CUSTOM @@ -250,6 +240,23 @@ config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX If in doubt, say Y. +config MEMMAP_CACHEATTR + hex "Cache attributes for the memory address space" + depends on !MMU + default 0x22222222 + help + These cache attributes are set up for noMMU systems. Each hex digit + specifies cache attributes for the corresponding 512MB memory + region: bits 0..3 -- for addresses 0x00000000..0x1fffffff, + bits 4..7 -- for addresses 0x20000000..0x3fffffff, and so on. + + Cache attribute values are specific for the MMU type, so e.g. + for region protection MMUs: 2 is cache bypass, 4 is WB cached, + 1 is WT cached, f is illegal. For ful MMU: bit 0 makes it executable, + bit 1 makes it writable, bits 2..3 meaning is 0: cache bypass, + 1: WB cache, 2: WT cache, 3: special (c and e are illegal, f is + reserved). + config KSEG_PADDR hex "Physical address of the KSEG mapping" depends on INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX && MMU @@ -419,6 +426,10 @@ config XTENSA_PLATFORM_XTFPGA endchoice +config PLATFORM_NR_IRQS + int + default 3 if XTENSA_PLATFORM_XT2000 + default 0 config XTENSA_CPU_CLOCK int "CPU clock rate [MHz]" @@ -456,6 +467,15 @@ config BUILTIN_DTB string "DTB to build into the kernel image" depends on OF +config PARSE_BOOTPARAM + bool "Parse bootparam block" + default y + help + Parse parameters passed to the kernel from the bootloader. It may + be disabled if the kernel is known to run without the bootloader. + + If unsure, say Y. + config BLK_DEV_SIMDISK tristate "Host file-based simulated block device support" default n @@ -492,8 +512,6 @@ config SIMDISK1_FILENAME Another simulated disk in a host file for a buildroot-independent storage. -source "mm/Kconfig" - config FORCE_MAX_ZONEORDER int "Maximum zone order" default "11" @@ -514,25 +532,13 @@ config PLATFORM_WANT_DEFAULT_MEM def_bool n config DEFAULT_MEM_START - hex "Physical address of the default memory area start" - depends on PLATFORM_WANT_DEFAULT_MEM - default 0x00000000 if MMU - default 0x60000000 if !MMU - help - This is the base address of the default memory area. - Default memory area has platform-specific meaning, it may be used - for e.g. early cache initialization. - - If unsure, leave the default value here. - -config DEFAULT_MEM_SIZE - hex "Maximal size of the default memory area" - depends on PLATFORM_WANT_DEFAULT_MEM - default 0x04000000 + hex + prompt "PAGE_OFFSET/PHYS_OFFSET" if !MMU && PLATFORM_WANT_DEFAULT_MEM + default 0x60000000 if PLATFORM_WANT_DEFAULT_MEM + default 0x00000000 help - This is the size of the default memory area. - Default memory area has platform-specific meaning, it may be used - for e.g. early cache initialization. + This is the base address used for both PAGE_OFFSET and PHYS_OFFSET + in noMMU configurations. If unsure, leave the default value here. @@ -568,30 +574,8 @@ config XTFPGA_LCD_8BIT_ACCESS endmenu -menu "Executable file formats" - -source "fs/Kconfig.binfmt" - -endmenu - menu "Power management options" source "kernel/power/Kconfig" endmenu - -source "net/Kconfig" - -source "drivers/Kconfig" - -source "fs/Kconfig" - -source "arch/xtensa/Kconfig.debug" - -source "security/Kconfig" - -source "crypto/Kconfig" - -source "lib/Kconfig" - - |