Commit 4f49088c authored by Khairul Anuar Romli's avatar Khairul Anuar Romli Committed by Dinh Nguyen
Browse files

firmware: stratix10-svc: Add definition for voltage and temperature sensor 



Add entry in Stratix 10 Service Layer to support temperature and voltage
sensor.

Signed-off-by: default avatarKhairul Anuar Romli <khairul.anuar.romli@altera.com>
Signed-off-by: default avatarDinh Nguyen <dinguyen@kernel.org>
parent 3a866087

drivers/firmware/stratix10-svc.c

+19 −2
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 
 * timeout is set to 30 seconds (30 * 1000) at Intel Stratix10 SoC.

 */

#define SVC_NUM_DATA_IN_FIFO			32

#define SVC_NUM_CHANNEL				3

#define SVC_NUM_CHANNEL				4

#define FPGA_CONFIG_DATA_CLAIM_TIMEOUT_MS	200

#define FPGA_CONFIG_STATUS_TIMEOUT_SEC		30

#define BYTE_TO_WORD_SIZE              4
@@ -341,6 +341,8 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data, 
	case COMMAND_RSU_MAX_RETRY:

	case COMMAND_RSU_DCMF_STATUS:

	case COMMAND_FIRMWARE_VERSION:

	case COMMAND_HWMON_READTEMP:

	case COMMAND_HWMON_READVOLT:

		cb_data->status = BIT(SVC_STATUS_OK);

		cb_data->kaddr1 = &res.a1;

		break;
@@ -525,7 +527,17 @@ static int svc_normal_to_secure_thread(void *data) 
			a1 = (unsigned long)pdata->paddr;

			a2 = 0;

			break;



		/* for HWMON */

		case COMMAND_HWMON_READTEMP:

			a0 = INTEL_SIP_SMC_HWMON_READTEMP;

			a1 = pdata->arg[0];

			a2 = 0;

			break;

		case COMMAND_HWMON_READVOLT:

			a0 = INTEL_SIP_SMC_HWMON_READVOLT;

			a1 = pdata->arg[0];

			a2 = 0;

			break;

		/* for polling */

		case COMMAND_POLL_SERVICE_STATUS:

			a0 = INTEL_SIP_SMC_SERVICE_COMPLETED;
@@ -1197,6 +1209,11 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev) 
	chans[2].name = SVC_CLIENT_FCS;

	spin_lock_init(&chans[2].lock);



	chans[3].scl = NULL;

	chans[3].ctrl = controller;

	chans[3].name = SVC_CLIENT_HWMON;

	spin_lock_init(&chans[3].lock);



	list_add_tail(&controller->node, &svc_ctrl);

	platform_set_drvdata(pdev, controller);

include/linux/firmware/intel/stratix10-smc.h

+34 −0
Original line number Diff line number Diff line
@@ -620,4 +620,38 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE) 
#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA \

	INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA)



/**

 * Request INTEL_SIP_SMC_HWMON_READTEMP

 * Sync call to request temperature

 *

 * Call register usage:

 * a0 Temperature Channel

 * a1-a7 not used

 *

 * Return status

 * a0 INTEL_SIP_SMC_STATUS_OK

 * a1 Temperature Value

 * a2-a3 not used

 */

#define INTEL_SIP_SMC_FUNCID_HWMON_READTEMP 32

#define INTEL_SIP_SMC_HWMON_READTEMP \

	INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_HWMON_READTEMP)



/**

 * Request INTEL_SIP_SMC_HWMON_READVOLT

 * Sync call to request voltage

 *

 * Call register usage:

 * a0 Voltage Channel

 * a1-a7 not used

 *

 * Return status

 * a0 INTEL_SIP_SMC_STATUS_OK

 * a1 Voltage Value

 * a2-a3 not used

 */

#define INTEL_SIP_SMC_FUNCID_HWMON_READVOLT 33

#define INTEL_SIP_SMC_HWMON_READVOLT \

	INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_HWMON_READVOLT)



#endif

include/linux/firmware/intel/stratix10-svc-client.h

+7 −1
Original line number Diff line number Diff line
@@ -11,12 +11,14 @@ 
 *

 * fpga: for FPGA configuration

 * rsu: for remote status update

 * hwmon: for hardware monitoring (voltage and temperature)

 */

#define SVC_CLIENT_FPGA			"fpga"

#define SVC_CLIENT_RSU			"rsu"

#define SVC_CLIENT_FCS			"fcs"

#define SVC_CLIENT_HWMON		"hwmon"



/*

/**

 * Status of the sent command, in bit number

 *

 * SVC_STATUS_OK:
@@ -70,6 +72,7 @@ 
#define SVC_RSU_REQUEST_TIMEOUT_MS              300

#define SVC_FCS_REQUEST_TIMEOUT_MS		2000

#define SVC_COMPLETED_TIMEOUT_MS		30000

#define SVC_HWMON_REQUEST_TIMEOUT_MS		300



struct stratix10_svc_chan;
@@ -171,6 +174,9 @@ enum stratix10_svc_command_code { 
	COMMAND_MBOX_SEND_CMD = 100,

	/* Non-mailbox SMC Call */

	COMMAND_SMC_SVC_VERSION = 200,

	/* for HWMON */

	COMMAND_HWMON_READTEMP,

	COMMAND_HWMON_READVOLT

};



/**