diff options
| -rw-r--r-- | drivers/firmware/stratix10-svc.c | 35 | ||||
| -rw-r--r-- | include/linux/firmware/intel/stratix10-smc.h | 47 | ||||
| -rw-r--r-- | include/linux/firmware/intel/stratix10-svc-client.h | 20 |
3 files changed, 98 insertions, 4 deletions
diff --git a/drivers/firmware/stratix10-svc.c b/drivers/firmware/stratix10-svc.c index 168f52314963..81f3182e290d 100644 --- a/drivers/firmware/stratix10-svc.c +++ b/drivers/firmware/stratix10-svc.c @@ -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 1 +#define SVC_NUM_CHANNEL 2 #define FPGA_CONFIG_DATA_CLAIM_TIMEOUT_MS 200 #define FPGA_CONFIG_STATUS_TIMEOUT_SEC 30 @@ -271,7 +271,7 @@ static void svc_thread_cmd_config_status(struct stratix10_svc_controller *ctrl, * @cb_data: pointer to callback data structure to service client * @res: result from SMC or HVC call * - * Send back the correspond status to the service client (FPGA manager etc). + * Send back the correspond status to the service clients. */ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data, struct stratix10_svc_cb_data *cb_data, @@ -295,6 +295,9 @@ static void svc_thread_recv_status_ok(struct stratix10_svc_data *p_data, case COMMAND_RECONFIG_STATUS: cb_data->status = BIT(SVC_STATUS_RECONFIG_COMPLETED); break; + case COMMAND_RSU_UPDATE: + cb_data->status = BIT(SVC_STATUS_RSU_OK); + break; default: pr_warn("it shouldn't happen\n"); break; @@ -373,6 +376,16 @@ static int svc_normal_to_secure_thread(void *data) a1 = 0; a2 = 0; break; + case COMMAND_RSU_STATUS: + a0 = INTEL_SIP_SMC_RSU_STATUS; + a1 = 0; + a2 = 0; + break; + case COMMAND_RSU_UPDATE: + a0 = INTEL_SIP_SMC_RSU_UPDATE; + a1 = pdata->arg[0]; + a2 = 0; + break; default: pr_warn("it shouldn't happen\n"); break; @@ -389,6 +402,19 @@ static int svc_normal_to_secure_thread(void *data) (unsigned int)res.a1, (unsigned int)res.a2); pr_debug(" res.a3=0x%016x\n", (unsigned int)res.a3); + if (pdata->command == COMMAND_RSU_STATUS) { + if (res.a0 == INTEL_SIP_SMC_RSU_ERROR) + cbdata->status = BIT(SVC_STATUS_RSU_ERROR); + else + cbdata->status = BIT(SVC_STATUS_RSU_OK); + + cbdata->kaddr1 = &res; + cbdata->kaddr2 = NULL; + cbdata->kaddr3 = NULL; + pdata->chan->scl->receive_cb(pdata->chan->scl, cbdata); + continue; + } + switch (res.a0) { case INTEL_SIP_SMC_STATUS_OK: svc_thread_recv_status_ok(pdata, cbdata, res); @@ -941,6 +967,11 @@ static int stratix10_svc_drv_probe(struct platform_device *pdev) chans[0].name = SVC_CLIENT_FPGA; spin_lock_init(&chans[0].lock); + chans[1].scl = NULL; + chans[1].ctrl = controller; + chans[1].name = SVC_CLIENT_RSU; + spin_lock_init(&chans[1].lock); + list_add_tail(&controller->node, &svc_ctrl); platform_set_drvdata(pdev, controller); diff --git a/include/linux/firmware/intel/stratix10-smc.h b/include/linux/firmware/intel/stratix10-smc.h index a109e4ccbc7e..5be5dab50b13 100644 --- a/include/linux/firmware/intel/stratix10-smc.h +++ b/include/linux/firmware/intel/stratix10-smc.h @@ -67,6 +67,12 @@ * * INTEL_SIP_SMC_FPGA_CONFIG_STATUS_ERROR: * There is error during the FPGA configuration process. + * + * INTEL_SIP_SMC_REG_ERROR: + * There is error during a read or write operation of the protected registers. + * + * INTEL_SIP_SMC_RSU_ERROR: + * There is error during a remote status update. */ #define INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION 0xFFFFFFFF #define INTEL_SIP_SMC_STATUS_OK 0x0 @@ -74,6 +80,7 @@ #define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_REJECTED 0x2 #define INTEL_SIP_SMC_FPGA_CONFIG_STATUS_ERROR 0x4 #define INTEL_SIP_SMC_REG_ERROR 0x5 +#define INTEL_SIP_SMC_RSU_ERROR 0x7 /** * Request INTEL_SIP_SMC_FPGA_CONFIG_START @@ -262,4 +269,44 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE) #define INTEL_SIP_SMC_REG_UPDATE \ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_UPDATE) +/* + * Request INTEL_SIP_SMC_RSU_STATUS + * + * Request remote status update boot log, call is synchronous. + * + * Call register usage: + * a0 INTEL_SIP_SMC_RSU_STATUS + * a1-7 not used + * + * Return status + * a0: Current Image + * a1: Last Failing Image + * a2: Version | State + * a3: Error details | Error location + * + * Or + * + * a0: INTEL_SIP_SMC_RSU_ERROR + */ +#define INTEL_SIP_SMC_FUNCID_RSU_STATUS 11 +#define INTEL_SIP_SMC_RSU_STATUS \ + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_RSU_STATUS) + +/* + * Request INTEL_SIP_SMC_RSU_UPDATE + * + * Request to set the offset of the bitstream to boot after reboot, call + * is synchronous. + * + * Call register usage: + * a0 INTEL_SIP_SMC_RSU_UPDATE + * a1 64bit physical address of the configuration data memory in flash + * a2-7 not used + * + * Return status + * a0 INTEL_SIP_SMC_STATUS_OK + */ +#define INTEL_SIP_SMC_FUNCID_RSU_UPDATE 12 +#define INTEL_SIP_SMC_RSU_UPDATE \ + INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_RSU_UPDATE) #endif diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h index f2fda7e1ca52..e521f172a47a 100644 --- a/include/linux/firmware/intel/stratix10-svc-client.h +++ b/include/linux/firmware/intel/stratix10-svc-client.h @@ -10,8 +10,10 @@ * Service layer driver supports client names * * fpga: for FPGA configuration + * rsu: for remote status update */ #define SVC_CLIENT_FPGA "fpga" +#define SVC_CLIENT_RSU "rsu" /** * Status of the sent command, in bit number @@ -36,6 +38,9 @@ * * SVC_COMMAND_STATUS_RECONFIG_ERROR: * Error encountered during FPGA configuration. + * + * SVC_STATUS_RSU_OK: + * Secure firmware accepts the request of remote status update (RSU). */ #define SVC_STATUS_RECONFIG_REQUEST_OK 0 #define SVC_STATUS_RECONFIG_BUFFER_SUBMITTED 1 @@ -43,7 +48,8 @@ #define SVC_STATUS_RECONFIG_COMPLETED 3 #define SVC_STATUS_RECONFIG_BUSY 4 #define SVC_STATUS_RECONFIG_ERROR 5 - +#define SVC_STATUS_RSU_OK 6 +#define SVC_STATUS_RSU_ERROR 7 /** * Flag bit for COMMAND_RECONFIG * @@ -56,9 +62,11 @@ /** * Timeout settings for service clients: * timeout value used in Stratix10 FPGA manager driver. + * timeout value used in RSU driver */ #define SVC_RECONFIG_REQUEST_TIMEOUT_MS 100 #define SVC_RECONFIG_BUFFER_TIMEOUT_MS 240 +#define SVC_RSU_REQUEST_TIMEOUT_MS 300 struct stratix10_svc_chan; @@ -81,13 +89,21 @@ struct stratix10_svc_chan; * @COMMAND_RECONFIG_STATUS: check the status of the configuration, return * status is SVC_STATUS_RECONFIG_COMPLETED, or SVC_STATUS_RECONFIG_BUSY, or * SVC_STATUS_RECONFIG_ERROR + * + * @COMMAND_RSU_STATUS: request remote system update boot log, return status + * is log data or SVC_STATUS_RSU_ERROR + * + * @COMMAND_RSU_UPDATE: set the offset of the bitstream to boot after reboot, + * return status is SVC_STATUS_RSU_OK or SVC_STATUS_RSU_ERROR */ enum stratix10_svc_command_code { COMMAND_NOOP = 0, COMMAND_RECONFIG, COMMAND_RECONFIG_DATA_SUBMIT, COMMAND_RECONFIG_DATA_CLAIM, - COMMAND_RECONFIG_STATUS + COMMAND_RECONFIG_STATUS, + COMMAND_RSU_STATUS, + COMMAND_RSU_UPDATE }; /** |