diff options
Diffstat (limited to 'drivers/firmware/qcom_scm-64.c')
| -rw-r--r-- | drivers/firmware/qcom_scm-64.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/firmware/qcom_scm-64.c b/drivers/firmware/qcom_scm-64.c index 3fea6f563ca9..688525dd4aee 100644 --- a/drivers/firmware/qcom_scm-64.c +++ b/drivers/firmware/qcom_scm-64.c @@ -382,6 +382,33 @@ int __qcom_scm_set_remote_state(struct device *dev, u32 state, u32 id) return ret ? : res.a1; } +int __qcom_scm_assign_mem(struct device *dev, phys_addr_t mem_region, + size_t mem_sz, phys_addr_t src, size_t src_sz, + phys_addr_t dest, size_t dest_sz) +{ + int ret; + struct qcom_scm_desc desc = {0}; + struct arm_smccc_res res; + + desc.args[0] = mem_region; + desc.args[1] = mem_sz; + desc.args[2] = src; + desc.args[3] = src_sz; + desc.args[4] = dest; + desc.args[5] = dest_sz; + desc.args[6] = 0; + + desc.arginfo = QCOM_SCM_ARGS(7, QCOM_SCM_RO, QCOM_SCM_VAL, + QCOM_SCM_RO, QCOM_SCM_VAL, QCOM_SCM_RO, + QCOM_SCM_VAL, QCOM_SCM_VAL); + + ret = qcom_scm_call(dev, QCOM_SCM_SVC_MP, + QCOM_MEM_PROT_ASSIGN_ID, + &desc, &res); + + return ret ? : res.a1; +} + int __qcom_scm_restore_sec_cfg(struct device *dev, u32 device_id, u32 spare) { struct qcom_scm_desc desc = {0}; |