diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/mcu.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 156 |
1 files changed, 154 insertions, 2 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 8e0225e6cc72..50c98913d81d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -29,8 +29,37 @@ struct mt7615_fw_trailer { __le32 len; } __packed; +#define FW_V3_COMMON_TAILER_SIZE 36 +#define FW_V3_REGION_TAILER_SIZE 40 +#define FW_START_OVERRIDE BIT(0) +#define FW_START_DLYCAL BIT(1) +#define FW_START_WORKING_PDA_CR4 BIT(2) + +struct mt7663_fw_trailer { + u8 chip_id; + u8 eco_code; + u8 n_region; + u8 format_ver; + u8 format_flag; + u8 reserv[2]; + char fw_ver[10]; + char build_date[15]; + u32 crc; +} __packed; + +struct mt7663_fw_buf { + u32 crc; + u32 d_img_size; + u32 block_size; + u8 rsv[4]; + u32 img_dest_addr; + u32 img_size; + u8 feature_set; +}; + #define MT7615_PATCH_ADDRESS 0x80000 #define MT7622_PATCH_ADDRESS 0x9c000 +#define MT7663_PATCH_ADDRESS 0xdc000 #define N9_REGION_NUM 2 #define CR4_REGION_NUM 1 @@ -44,6 +73,7 @@ struct mt7615_fw_trailer { #define DL_MODE_KEY_IDX GENMASK(2, 1) #define DL_MODE_RESET_SEC_IV BIT(3) #define DL_MODE_WORKING_PDA_CR4 BIT(4) +#define DL_MODE_VALID_RAM_ENTRY BIT(5) #define DL_MODE_NEED_RSP BIT(31) #define FW_START_OVERRIDE BIT(0) @@ -1816,6 +1846,121 @@ int mt7615_mcu_fw_log_2_host(struct mt7615_dev *dev, u8 ctrl) &data, sizeof(data), true); } +static int mt7663_load_n9(struct mt7615_dev *dev, const char *name) +{ + u32 offset = 0, override_addr = 0, flag = 0; + const struct mt7663_fw_trailer *hdr; + const struct mt7663_fw_buf *buf; + const struct firmware *fw; + const u8 *base_addr; + int i, ret; + + ret = request_firmware(&fw, name, dev->mt76.dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < FW_V3_COMMON_TAILER_SIZE) { + dev_err(dev->mt76.dev, "Invalid firmware\n"); + ret = -EINVAL; + goto out; + } + + hdr = (const struct mt7663_fw_trailer *)(fw->data + fw->size - + FW_V3_COMMON_TAILER_SIZE); + + dev_info(dev->mt76.dev, "N9 Firmware Version: %.10s, Build Time: %.15s\n", + hdr->fw_ver, hdr->build_date); + dev_info(dev->mt76.dev, "Region number: 0x%x\n", hdr->n_region); + + base_addr = fw->data + fw->size - FW_V3_COMMON_TAILER_SIZE; + for (i = 0; i < hdr->n_region; i++) { + u32 shift = (hdr->n_region - i) * FW_V3_REGION_TAILER_SIZE; + u32 len, addr, mode; + + dev_info(dev->mt76.dev, "Parsing tailer Region: %d\n", i); + + buf = (const struct mt7663_fw_buf *)(base_addr - shift); + mode = mt7615_mcu_gen_dl_mode(buf->feature_set, false); + addr = le32_to_cpu(buf->img_dest_addr); + len = le32_to_cpu(buf->img_size); + + ret = mt7615_mcu_init_download(dev, addr, len, mode); + if (ret) { + dev_err(dev->mt76.dev, "Download request failed\n"); + goto out; + } + + ret = mt7615_mcu_send_firmware(dev, fw->data + offset, len); + if (ret) { + dev_err(dev->mt76.dev, "Failed to send firmware\n"); + goto out; + } + + offset += buf->img_size; + if (buf->feature_set & DL_MODE_VALID_RAM_ENTRY) { + override_addr = le32_to_cpu(buf->img_dest_addr); + dev_info(dev->mt76.dev, "Region %d, override_addr = 0x%08x\n", + i, override_addr); + } + } + + if (is_mt7663(&dev->mt76)) { + flag |= FW_START_DLYCAL; + if (override_addr) + flag |= FW_START_OVERRIDE; + + dev_info(dev->mt76.dev, "override_addr = 0x%08x, option = %d\n", + override_addr, flag); + } + + ret = mt7615_mcu_start_firmware(dev, override_addr, flag); + if (ret) + dev_err(dev->mt76.dev, "Failed to start N9 firmware\n"); + +out: + release_firmware(fw); + + return ret; +} + +static int mt7663_load_firmware(struct mt7615_dev *dev) +{ + int ret; + + mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH); + + ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY); + if (ret) { + dev_dbg(dev->mt76.dev, "Firmware is already download\n"); + return -EIO; + } + + ret = mt7615_load_patch(dev, MT7663_PATCH_ADDRESS, MT7663_ROM_PATCH); + if (ret) + return ret; + + dev->fw_ver = MT7615_FIRMWARE_V3; + dev->mcu_ops = &uni_update_ops; + + ret = mt7663_load_n9(dev, MT7663_FIRMWARE_N9); + if (ret) + return ret; + + if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY, + MT_TOP_MISC2_FW_N9_RDY, 1500)) { + ret = mt76_get_field(dev, MT_CONN_ON_MISC, + MT7663_TOP_MISC2_FW_STATE); + dev_err(dev->mt76.dev, "Timeout for initializing firmware\n"); + return -EIO; + } + + mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH); + + dev_dbg(dev->mt76.dev, "Firmware init done\n"); + + return 0; +} + int mt7615_mcu_init(struct mt7615_dev *dev) { static const struct mt76_mcu_ops mt7615_mcu_ops = { @@ -1831,10 +1976,17 @@ int mt7615_mcu_init(struct mt7615_dev *dev) if (ret) return ret; - if (is_mt7622(&dev->mt76)) + switch (mt76_chip(&dev->mt76)) { + case 0x7622: ret = mt7622_load_firmware(dev); - else + break; + case 0x7663: + ret = mt7663_load_firmware(dev); + break; + default: ret = mt7615_load_firmware(dev); + break; + } if (ret) return ret; |