diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 5375a6ac0cd2..380455005514 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -320,7 +320,19 @@ config ARCH_MMAP_RND_BITS_MAX default 16 config ARCH_MULTIPLATFORM - def_bool MMU && !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) + bool "Require kernel to be portable to multiple machines" if EXPERT + depends on MMU && !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) + default y + help + In general, all Arm machines can be supported in a single + kernel image, covering either Armv4/v5 or Armv6/v7. + + However, some configuration options require hardcoding machine + specific physical addresses or enable errata workarounds that may + break other machines. + + Selecting N here allows using those options, including + DEBUG_UNCOMPRESS, XIP_KERNEL and ZBOOT_ROM. If unsure, say Y. menu "Platform selection" depends on MMU @@ -1609,6 +1621,7 @@ config CMDLINE_EXTEND config CMDLINE_FORCE bool "Always use the default kernel command string" + depends on !ARCH_MULTIPLATFORM help Always use the default kernel command string, even if the boot loader passes other arguments to the kernel. |