[PATCH 02/19] arm: mach-k3: Kconfig: Add symbols for IO+DDR Low Power Mode

[Markus Schneider-Pargmann]

There is one new symbol to enable support to resume from IO+DDR where
the SoC is turned off and DDR is in self-refresh.

The other symbol is the address of a memory region to be used to store
meta data. This has to be the same address as is used by the firmware.

Signed-off-by: Markus Schneider-Pargmann <msp at baylibre.com>
---
 arch/arm/mach-k3/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mach-k3/Kconfig b/arch/arm/mach-k3/Kconfig
index a3ac490f677429b851b4b4b3d6753ef6997884c9..1e6deb3b9cf1c5a8091a88d8c825ebdbb681424a 100644
--- a/arch/arm/mach-k3/Kconfig
+++ b/arch/arm/mach-k3/Kconfig
@@ -150,6 +150,15 @@ config K3_DM_FW
 	  bootloader, it makes RM and PM services not being available
 	  during R5 SPL execution time.
 
+config K3_IODDR
+	bool "Enable IO+DDR Low Power Mode support"
+	depends on SPL && (SOC_K3_AM62A7 || SOC_K3_AM62P5)
+	default n
+	help
+	  Enable support for IO+DDR Low Power Mode. If this is enabled and a
+	  resume from IO+DDR is detected, metadata in the DDR is used to
+	  restore TIFS and resume DM.
+
 config K3_X509_SWRV
 	int "SWRV for X509 certificate used for boot images"
 	default 1

-- 
2.47.2