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firmware: qcom: scm: add support to restore secure config to qcm_scm-32

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Add support to restore the secure configuration for qcm_scm-32.c. This
is needed by the On Chip MEMory (OCMEM) that is present on some
Snapdragon devices.

Signed-off-by: Rob Clark <robdclark@gmail.com>
[masneyb@onstation.org: ported to latest kernel; set ctx_bank_num to
 spare parameter.]
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Gabriel Francisco <frc.gabrielgmail.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Rob Clark
2019-08-23 05:16:34 -07:00
committed by Rob Clark
parent b0a1614fb1
commit 0434a40614
3 changed files with 40 additions and 1 deletions
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11
include/linux/qcom_scm.h
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@@ -34,6 +34,16 @@ enum qcom_scm_ocmem_client {
QCOM_SCM_OCMEM_DEBUG_ID,
};
enum qcom_scm_sec_dev_id {
QCOM_SCM_MDSS_DEV_ID = 1,
QCOM_SCM_OCMEM_DEV_ID = 5,
QCOM_SCM_PCIE0_DEV_ID = 11,
QCOM_SCM_PCIE1_DEV_ID = 12,
QCOM_SCM_GFX_DEV_ID = 18,
QCOM_SCM_UFS_DEV_ID = 19,
QCOM_SCM_ICE_DEV_ID = 20,
};
#define QCOM_SCM_VMID_HLOS 0x3
#define QCOM_SCM_VMID_MSS_MSA 0xF
#define QCOM_SCM_VMID_WLAN 0x18
@@ -70,6 +80,7 @@ extern int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz,
extern void qcom_scm_cpu_power_down(u32 flags);
extern u32 qcom_scm_get_version(void);
extern int qcom_scm_set_remote_state(u32 state, u32 id);
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);