diff options
| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-08-14 15:46:17 -0700 |
|---|---|---|
| committer | Andy Gross <andy.gross@linaro.org> | 2017-10-11 23:48:27 -0500 |
| commit | 4e659dbe2d02a56ca0df25c77e099760252a329c (patch) | |
| tree | d41bd3ca1e79a6c1b19a637ea9f34030ae7deb91 /include/linux/qcom_scm.h | |
| parent | e691b48dcc7553b423bcbc7ddcd9f51698d093b1 (diff) | |
| download | lwn-4e659dbe2d02a56ca0df25c77e099760252a329c.tar.gz lwn-4e659dbe2d02a56ca0df25c77e099760252a329c.zip | |
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 'include/linux/qcom_scm.h')
| -rw-r--r-- | include/linux/qcom_scm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index e5380471c2cd..e8357f570695 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -43,6 +43,8 @@ extern int qcom_scm_set_remote_state(u32 state, u32 id); extern int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare); extern int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size); extern int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare); +extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val); +extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val); #else static inline int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus) @@ -73,5 +75,7 @@ qcom_scm_set_remote_state(u32 state,u32 id) { return -ENODEV; } static inline int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) { return -ENODEV; } static inline int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size) { return -ENODEV; } static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) { return -ENODEV; } +static inline int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val) { return -ENODEV; } +static inline int qcom_scm_io_writel(phys_addr_t addr, unsigned int val) { return -ENODEV; } #endif #endif |