Create API to map between CPU physical and bus addresses

[karo-tx-uboot.git] / drivers / Kconfig

diff --git a/drivers/Kconfig b/drivers/Kconfig
index dcce532e2df200ed4f82a4c45f0e14982ee26d1a..941aa0c2612afee95afad1cbcacfc12fa640a4df 100644 (file)
--- 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.