diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 58 |
1 files changed, 26 insertions, 32 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 43c7773b89ae..e24a9820e12f 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -282,8 +282,7 @@ config PHYS_OFFSET default DRAM_BASE if !MMU default 0x00000000 if ARCH_FOOTBRIDGE default 0x10000000 if ARCH_OMAP1 || ARCH_RPC - default 0x30000000 if ARCH_S3C24XX - default 0xa0000000 if ARCH_IOP32X || ARCH_PXA + default 0xa0000000 if ARCH_PXA default 0xc0000000 if ARCH_EP93XX || ARCH_SA1100 default 0 help @@ -345,14 +344,16 @@ comment "CPU Core family selection" config ARCH_MULTI_V4 bool "ARMv4 based platforms (FA526, StrongARM)" depends on !ARCH_MULTI_V6_V7 - depends on !LD_IS_LLD + # https://github.com/llvm/llvm-project/issues/50764 + depends on !LD_IS_LLD || LLD_VERSION >= 160000 select ARCH_MULTI_V4_V5 select CPU_FA526 if !(CPU_SA110 || CPU_SA1100) config ARCH_MULTI_V4T bool "ARMv4T based platforms (ARM720T, ARM920T, ...)" depends on !ARCH_MULTI_V6_V7 - depends on !LD_IS_LLD + # https://github.com/llvm/llvm-project/issues/50764 + depends on !LD_IS_LLD || LLD_VERSION >= 160000 select ARCH_MULTI_V4_V5 select CPU_ARM920T if !(CPU_ARM7TDMI || CPU_ARM720T || \ CPU_ARM740T || CPU_ARM9TDMI || CPU_ARM922T || \ @@ -438,8 +439,6 @@ source "arch/arm/mach-berlin/Kconfig" source "arch/arm/mach-clps711x/Kconfig" -source "arch/arm/mach-cns3xxx/Kconfig" - source "arch/arm/mach-davinci/Kconfig" source "arch/arm/mach-digicolor/Kconfig" @@ -462,8 +461,6 @@ source "arch/arm/mach-hpe/Kconfig" source "arch/arm/mach-imx/Kconfig" -source "arch/arm/mach-iop32x/Kconfig" - source "arch/arm/mach-ixp4xx/Kconfig" source "arch/arm/mach-keystone/Kconfig" @@ -661,7 +658,9 @@ config ARM_ERRATA_458693 hazard might then cause a processor deadlock. The workaround enables the L1 caching of the NEON accesses and disables the PLD instruction in the ACTLR register. Note that setting specific bits in the ACTLR - register may not be available in non-secure mode. + register may not be available in non-secure mode and thus is not + available on a multiplatform kernel. This should be applied by the + bootloader instead. config ARM_ERRATA_460075 bool "ARM errata: Data written to the L2 cache can be overwritten with stale data" @@ -674,7 +673,9 @@ config ARM_ERRATA_460075 and overwritten with stale memory contents from external memory. The workaround disables the write-allocate mode for the L2 cache via the ACTLR register. Note that setting specific bits in the ACTLR register - may not be available in non-secure mode. + may not be available in non-secure mode and thus is not available on + a multiplatform kernel. This should be applied by the bootloader + instead. config ARM_ERRATA_742230 bool "ARM errata: DMB operation may be faulty" @@ -687,7 +688,10 @@ config ARM_ERRATA_742230 ordering of the two writes. This workaround sets a specific bit in the diagnostic register of the Cortex-A9 which causes the DMB instruction to behave as a DSB, ensuring the correct behaviour of - the two writes. + the two writes. Note that setting specific bits in the diagnostics + register may not be available in non-secure mode and thus is not + available on a multiplatform kernel. This should be applied by the + bootloader instead. config ARM_ERRATA_742231 bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption" @@ -702,7 +706,10 @@ config ARM_ERRATA_742231 replaced from one of the CPUs at the same time as another CPU is accessing it. This workaround sets specific bits in the diagnostic register of the Cortex-A9 which reduces the linefill issuing - capabilities of the processor. + capabilities of the processor. Note that setting specific bits in the + diagnostics register may not be available in non-secure mode and thus + is not available on a multiplatform kernel. This should be applied by + the bootloader instead. config ARM_ERRATA_643719 bool "ARM errata: LoUIS bit field in CLIDR register is incorrect" @@ -739,7 +746,9 @@ config ARM_ERRATA_743622 register of the Cortex-A9 which disables the Store Buffer optimisation, preventing the defect from occurring. This has no visible impact on the overall performance or power consumption of the - processor. + processor. Note that setting specific bits in the diagnostics register + may not be available in non-secure mode and thus is not available on a + multiplatform kernel. This should be applied by the bootloader instead. config ARM_ERRATA_751472 bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation" @@ -751,6 +760,10 @@ config ARM_ERRATA_751472 completion of a following broadcasted operation if the second operation is received by a CPU before the ICIALLUIS has completed, potentially leading to corrupted entries in the cache or TLB. + Note that setting specific bits in the diagnostics register may + not be available in non-secure mode and thus is not available on + a multiplatform kernel. This should be applied by the bootloader + instead. config ARM_ERRATA_754322 bool "ARM errata: possible faulty MMU translations following an ASID switch" @@ -931,12 +944,6 @@ config ISA config ISA_DMA_API bool -config PCI_NANOENGINE - bool "BSE nanoEngine PCI support" - depends on SA1100_NANOENGINE - help - Enable PCI on the BSE nanoEngine board. - config ARM_ERRATA_814220 bool "ARM errata: Cache maintenance by set/way operations can execute out of order" depends on CPU_V7 @@ -1465,19 +1472,6 @@ config ATAGS the ARM_ATAG_DTB_COMPAT option) then you may unselect this option to remove ATAGS support from your kernel binary. -config UNUSED_BOARD_FILES - bool "Board support for machines without known users" - depends on ATAGS - help - Most ATAGS based board files are completely unused and are - scheduled for removal in early 2023, and left out of kernels - by default now. If you are using a board file that is marked - as unused, turn on this option to build support into the kernel. - - To keep support for your individual board from being removed, - send a reply to the email discussion at - https://lore.kernel.org/all/CAK8P3a0Z9vGEQbVRBo84bSyPFM-LF+hs5w8ZA51g2Z+NsdtDQA@mail.gmail.com/ - config DEPRECATED_PARAM_STRUCT bool "Provide old way to pass kernel parameters" depends on ATAGS |