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authorBjorn Andersson <bjorn.andersson@linaro.org>2017-08-14 15:46:17 -0700
committerAndy Gross <andy.gross@linaro.org>2017-10-11 23:48:27 -0500
commit4e659dbe2d02a56ca0df25c77e099760252a329c (patch)
treed41bd3ca1e79a6c1b19a637ea9f34030ae7deb91 /drivers/firmware/qcom_scm.c
parente691b48dcc7553b423bcbc7ddcd9f51698d093b1 (diff)
firmware: qcom: scm: Expose secure IO service
The secure IO service provides operations for reading and writing secure memory from non-secure mode, expose this API through SCM. Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'drivers/firmware/qcom_scm.c')
-rw-r--r--drivers/firmware/qcom_scm.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index bb16510d75ba..e18d63935648 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -333,6 +333,18 @@ int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare)
}
EXPORT_SYMBOL(qcom_scm_iommu_secure_ptbl_init);
+int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val)
+{
+ return __qcom_scm_io_readl(__scm->dev, addr, val);
+}
+EXPORT_SYMBOL(qcom_scm_io_readl);
+
+int qcom_scm_io_writel(phys_addr_t addr, unsigned int val)
+{
+ return __qcom_scm_io_writel(__scm->dev, addr, val);
+}
+EXPORT_SYMBOL(qcom_scm_io_writel);
+
/**
* qcom_scm_is_available() - Checks if SCM is available
*/