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| author |   Vineet Gupta <vgupta@synopsys.com> | 2015-03-09 19:40:09 +0530 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-06-19 18:09:27 +0530 |
| commit | 036b2c5664281e7da5a89c9f742491f30966485f (patch) | |
| tree | e9e75a0b1eac449927c2bae6a9c6887fdb22bcd3 /arch/arc/Kconfig | |
| parent | ARC: [plat_arcfpga]->[plat_sim] (diff) | |
| download | linux-dev-036b2c5664281e7da5a89c9f742491f30966485f.tar.xz linux-dev-036b2c5664281e7da5a89c9f742491f30966485f.zip | |
ARC: explicit'ify uboot support
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index 824065a94b37..b52f7eba6765 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -388,6 +388,18 @@ config ARC_DBG_TLB_MISS_COUNT Counts number of I and D TLB Misses and exports them via Debugfs The counters can be cleared via Debugfs as well +config ARC_UBOOT_SUPPORT + bool "Support uboot arg Handling" + default n + help + ARC Linux by default checks for uboot provided args as pointers to + external cmdline or DTB. This however breaks in absence of uboot, + when booting from Metaware debugger directly, as the registers are + not zeroed out on reset by mdb and/or ARCv2 based cores. The bogus + registers look like uboot args to kernel which then chokes. + So only enable the uboot arg checking/processing if users are sure + of uboot being in play. + config ARC_BUILTIN_DTB_NAME string "Built in DTB" help |