The SRAM is for use by the MPU. Marking it as such makes it
easier for PM initialization code to locate the SRAM in order to
load a PIE section into it.
Additionally, set the map-exec flag to allow code to be run
from SRAM. This is necessary for suspend/resume.
Signed-off-by: Russ Dill <Russ.Dill@xxxxxx>
---
arch/arm/boot/dts/am33xx.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 302463d..20942a2 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -62,6 +62,7 @@
mpu {
compatible = "ti,omap3-mpu";
ti,hwmods = "mpu";
+ sram = <&ocmcram>;
};
};
@@ -507,6 +508,7 @@
ocmcram: ocmcram@40300000 {
compatible = "mmio-sram";
reg = <0x40300000 0x10000>; /* 64k */
+ map-exec;
};
wkup_m3: wkup_m3@44d00000 {
--
1.8.3.2
--
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