diff options
| -rw-r--r-- | drivers/firmware/qcom_scm.c | 15 | ||||
| -rw-r--r-- | drivers/firmware/qcom_scm.h | 1 | ||||
| -rw-r--r-- | include/linux/qcom_scm.h | 1 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index 3f67bf774821..d5a9ba15e2ba 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -759,6 +759,21 @@ int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) } EXPORT_SYMBOL(qcom_scm_iommu_secure_ptbl_init); +int qcom_scm_iommu_set_cp_pool_size(u32 spare, u32 size) +{ + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_SVC_MP, + .cmd = QCOM_SCM_MP_IOMMU_SET_CP_POOL_SIZE, + .arginfo = QCOM_SCM_ARGS(2), + .args[0] = size, + .args[1] = spare, + .owner = ARM_SMCCC_OWNER_SIP, + }; + + return qcom_scm_call(__scm->dev, &desc, NULL); +} +EXPORT_SYMBOL(qcom_scm_iommu_set_cp_pool_size); + int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, u32 cp_nonpixel_start, u32 cp_nonpixel_size) diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h index d92156ceb3ac..bb627941702b 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom_scm.h @@ -100,6 +100,7 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, #define QCOM_SCM_MP_RESTORE_SEC_CFG 0x02 #define QCOM_SCM_MP_IOMMU_SECURE_PTBL_SIZE 0x03 #define QCOM_SCM_MP_IOMMU_SECURE_PTBL_INIT 0x04 +#define QCOM_SCM_MP_IOMMU_SET_CP_POOL_SIZE 0x05 #define QCOM_SCM_MP_VIDEO_VAR 0x08 #define QCOM_SCM_MP_ASSIGN 0x16 diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index 81cad9e1e412..8a065f8660c1 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -83,6 +83,7 @@ extern bool qcom_scm_restore_sec_cfg_available(void); 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_iommu_set_cp_pool_size(u32 spare, u32 size); extern int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, u32 cp_nonpixel_start, u32 cp_nonpixel_size); |