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arm: socfpga: smc: Add function to get usercode

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Add function to send mailbox command via SMC to get usercode from SDM.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Reviewed-by: Ley Foon Tan <ley.foon.tan@intel.com>
This commit is contained in:
Siew Chin Lim 2021-03-25 14:07:45 +08:00 • committed by Ley Foon Tan
parent cdca986070
commit 96fe4f6485
3 changed files with 36 additions and 0 deletions
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18
include/linux/intel-smc.h
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@ -518,4 +518,22 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE)
#define INTEL_SIP_SMC_MBOX_SEND_CMD \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_MBOX_SEND_CMD)
/*
* Request INTEL_SIP_SMC_GET_USERCODE
*
* Send mailbox command to get usercode from SDM
*
* Call register usage:
* a0 INTEL_SIP_SMC_GET_USERCODE
* a1-7 not used.
*
* Return status
* a0 INTEL_SIP_SMC_STATUS_OK or INTEL_SIP_SMC_STATUS_ERROR
* a1 User code
* a2-3 not used.
*/
#define INTEL_SIP_SMC_FUNCID_GET_USERCODE 61
#define INTEL_SIP_SMC_GET_USERCODE \
INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_GET_USERCODE)
#endif