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soc: qualcomm: Add Shared Memory Manager driver

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The Shared Memory Manager driver implements an interface for allocating
and accessing items in the memory area shared among all of the
processors in a Qualcomm platform.

Adapted from the Linux driver (4.17)

Changes from the original Linux driver:
* Removed HW spinlock mechanism, which is irrelevant
in U-boot particualar use case, which is just reading from the smem.
* Adapted from Linux driver model to U-Boot's.

Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Ramon Fried <ramon.fried@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Ramon Fried
2018-07-02 02:57:56 +03:00
committed by Tom Rini
parent 7b384eccc7
commit 654dd4a84e
6 changed files with 951 additions and 0 deletions
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@@ -206,6 +206,7 @@ ARM SNAPDRAGON
M: Ramon Fried <ramon.fried@gmail.com>
S: Maintained
F: arch/arm/mach-snapdragon/
F: drivers/smem/msm_smem.c
ARM STI
M: Patrice Chotard <patrice.chotard@st.com>