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-rw-r--r--arch/xtensa/Kconfig.debug11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig.debug b/arch/xtensa/Kconfig.debug
index be5fb4c..a34010e 100644
--- a/arch/xtensa/Kconfig.debug
+++ b/arch/xtensa/Kconfig.debug
@@ -13,4 +13,15 @@ config LD_NO_RELAX
Enabling this option improves the link time but increases the
code size, and possibly execution time.
+config S32C1I_SELFTEST
+ bool "Perform S32C1I instruction self-test at boot"
+ default y
+ help
+ Enable this option to test S32C1I instruction behavior at boot.
+ Correct operation of this instruction requires some cooperation from hardware
+ external to the processor (such as bus bridge, bus fabric, or memory controller).
+ It is easy to make wrong hardware configuration, this test should catch it early.
+
+ Say 'N' on stable hardware.
+
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