3  * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
35  * Firmware-related functions implementation.
92 int mac_soft_reset_(struct aq_hw* hw, aq_fw_bootloader_mode* mode);
94 int mac_soft_reset_rbl_(struct aq_hw* hw, aq_fw_bootloader_mode* mode);
113         return (-EBUSY);  in aq_fw_reset()
116     hw->rbl_enabled = bootExitCode != 0;  in aq_fw_reset()
118     trace(dbg_init, "RBL enabled = %d", hw->rbl_enabled);  in aq_fw_reset()
123      * 2) Driver may skip reset sequence and save time.  in aq_fw_reset()
125     if (hw->fast_start_enabled && !ver) {  in aq_fw_reset()
127         /* Skip reset as it just completed */  in aq_fw_reset()
132     aq_fw_bootloader_mode mode = boot_mode_unknown;  in aq_fw_reset()  local
133     int err = mac_soft_reset_(hw, &mode);  in aq_fw_reset()
135         aq_log_error("MAC reset failed: %d", err);  in aq_fw_reset()
139     switch (mode) {  in aq_fw_reset()
142         hw->flash_present = true;  in aq_fw_reset()
147         hw->flash_present = true;  in aq_fw_reset()
152         return (-ENOTSUP);  in aq_fw_reset()
156         aq_log_error("RBL> Host Bootload mode: this driver does not support Host Boot");  in aq_fw_reset()
157         return (-ENOTSUP);  in aq_fw_reset()
159         trace(dbg_init, "RBL> Host Bootload mode");  in aq_fw_reset()
169     return (-ENOTSUP);  in aq_fw_reset()
174     if (hw->fw_version.raw == 0)  in aq_fw_ops_init()
175         hw->fw_version.raw = AQ_READ_REG(hw, 0x18);  in aq_fw_ops_init()
178         hw->fw_version.major_version, hw->fw_version.minor_version,  in aq_fw_ops_init()
179         hw->fw_version.build_number);  in aq_fw_ops_init()
181     if (hw->fw_version.major_version == 1) {  in aq_fw_ops_init()
183         hw->fw_ops = &aq_fw1x_ops;  in aq_fw_ops_init()
185     } else if (hw->fw_version.major_version >= 2) {  in aq_fw_ops_init()
187         hw->fw_ops = &aq_fw2x_ops;  in aq_fw_ops_init()
191     aq_log_error("aq_fw_ops_init(): invalid F/W version %#x", hw->fw_version.raw);  in aq_fw_ops_init()
192     return (-ENOTSUP);  in aq_fw_ops_init()
196 int mac_soft_reset_(struct aq_hw* hw, aq_fw_bootloader_mode* mode /*= nullptr*/)  in mac_soft_reset_()  argument
198     if (hw->rbl_enabled) {  in mac_soft_reset_()
199         return mac_soft_reset_rbl_(hw, mode);  in mac_soft_reset_()
201         if (mode)  in mac_soft_reset_()
202             *mode = boot_mode_flb;  in mac_soft_reset_()
213     // Let Felicity hardware to complete SMBUS transaction before Global software reset.  in mac_soft_reset_flb_()
218      * reset may not clear SPI interface. Clean it up manually before global reset.  in mac_soft_reset_flb_()
230     if (!hw->fast_start_enabled)  in mac_soft_reset_flb_()
234      * For the case SPI burst transaction was interrupted (by MCP reset above),  in mac_soft_reset_flb_()
240     if (!hw->fast_start_enabled) {  in mac_soft_reset_flb_()
258         /* FW reset */  in mac_soft_reset_flb_()
260         // Let Felicity hardware complete SMBUS transaction before Global software reset.  in mac_soft_reset_flb_()
267     // Global software reset  in mac_soft_reset_flb_()
282         trace_error(dbg_init, "FLB> Global Soft Reset failed");  in mac_soft_reset_flb_()
290 int mac_soft_reset_rbl_(struct aq_hw* hw, aq_fw_bootloader_mode* mode)  in mac_soft_reset_rbl_()  argument
292     trace(dbg_init, "RBL> MAC reset STARTED!");  in mac_soft_reset_rbl_()
298     // MAC FW will reload PHY FW if 1E.1000.3 was cleaned - #undone  in mac_soft_reset_rbl_()
302     // Global software reset  in mac_soft_reset_rbl_()
322         return (-EBUSY);  in mac_soft_reset_rbl_()
326         if (mode)  in mac_soft_reset_rbl_()
327             *mode = boot_mode_rbl_flash;  in mac_soft_reset_rbl_()
328         trace(dbg_init, "RBL> reset complete! [Flash]");  in mac_soft_reset_rbl_()
330         if (mode)  in mac_soft_reset_rbl_()
331             *mode = boot_mode_rbl_host_bootload;  in mac_soft_reset_rbl_()
332         trace(dbg_init, "RBL> reset complete! [Host Bootload]");  in mac_soft_reset_rbl_()
335         return (-EBUSY);  in mac_soft_reset_rbl_()
344         if ((hw->fw_version.raw = AQ_READ_REG(hw, 0x18)) != 0)  in wait_init_mac_firmware_()
351     return (-EBUSY);  in wait_init_mac_firmware_()