2 * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 #include <linux/kernel.h>
17 #include <linux/firmware.h>
22 #define MT_MCU_IVB_ADDR (MT_MCU_ILM_ADDR + 0x54000 - MT_MCU_IVB_SIZE)
24 static int mt76x0e_load_firmware(struct mt76x02_dev *dev)
26 bool is_combo_chip = mt76_chip(&dev->mt76) != 0x7610;
27 u32 val, ilm_len, dlm_len, offset = 0;
28 const struct mt76x02_fw_header *hdr;
29 const struct firmware *fw;
35 firmware = MT7650E_FIRMWARE;
37 firmware = MT7610E_FIRMWARE;
39 err = reject_firmware(&fw, firmware, dev->mt76.dev);
43 if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
48 hdr = (const struct mt76x02_fw_header *)fw->data;
51 len += le32_to_cpu(hdr->ilm_len);
52 len += le32_to_cpu(hdr->dlm_len);
54 if (fw->size != len) {
59 fw_payload = fw->data + sizeof(*hdr);
61 val = le16_to_cpu(hdr->fw_ver);
62 dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n",
63 (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf);
65 val = le16_to_cpu(hdr->fw_ver);
66 dev_dbg(dev->mt76.dev,
67 "Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n",
68 (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf,
69 le16_to_cpu(hdr->build_ver), hdr->build_time);
71 if (is_combo_chip && !mt76_poll(dev, MT_MCU_SEMAPHORE_00, 1, 1, 600)) {
72 dev_err(dev->mt76.dev,
73 "Could not get hardware semaphore for loading fw\n");
79 mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
80 ilm_len = le32_to_cpu(hdr->ilm_len);
82 ilm_len -= MT_MCU_IVB_SIZE;
83 offset = MT_MCU_IVB_SIZE;
85 dev_dbg(dev->mt76.dev, "loading FW - ILM %u\n", ilm_len);
86 mt76_wr_copy(dev, MT_MCU_ILM_ADDR + offset, fw_payload + offset,
91 dev_dbg(dev->mt76.dev, "loading FW - IVB %u\n",
93 mt76_wr_copy(dev, MT_MCU_IVB_ADDR, fw_payload, MT_MCU_IVB_SIZE);
97 mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, MT_MCU_DLM_OFFSET);
98 dlm_len = le32_to_cpu(hdr->dlm_len);
99 dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len);
100 mt76_wr_copy(dev, MT_MCU_ILM_ADDR,
101 fw_payload + le32_to_cpu(hdr->ilm_len), dlm_len);
103 /* trigger firmware */
104 mt76_wr(dev, MT_MCU_PCIE_REMAP_BASE4, 0);
106 mt76_wr(dev, MT_MCU_INT_LEVEL, 0x3);
108 mt76_wr(dev, MT_MCU_RESET_CTL, 0x300);
110 if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 1000)) {
111 dev_err(dev->mt76.dev, "Firmware failed to start\n");
116 mt76x02_set_ethtool_fwver(dev, hdr);
117 dev_dbg(dev->mt76.dev, "Firmware running!\n");
121 mt76_wr(dev, MT_MCU_SEMAPHORE_00, 0x1);
122 release_firmware(fw);
127 int mt76x0e_mcu_init(struct mt76x02_dev *dev)
129 static const struct mt76_mcu_ops mt76x0e_mcu_ops = {
130 .mcu_send_msg = mt76x02_mcu_msg_send,
134 dev->mt76.mcu_ops = &mt76x0e_mcu_ops;
136 err = mt76x0e_load_firmware(dev);
140 set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state);