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-rw-r--r--drivers/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index dcce532e2d..941aa0c261 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -53,3 +53,11 @@ source "drivers/crypto/Kconfig"
source "drivers/thermal/Kconfig"
endmenu
+
+config PHYS_TO_BUS
+ bool
+ help
+ Some SoCs use a different address map for CPU physical addresses and
+ peripheral DMA master accesses. If yours does, select this option in
+ your platform's Kconfig, and implement the appropriate mapping
+ functions in your platform's support code.
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