static int
mt7603_mcu_init_download(struct mt7603_dev *dev, u32 addr, u32 len)
{
struct {
__le32 addr;
__le32 len;
__le32 mode;
} req = {
.addr = cpu_to_le32(addr),
.len = cpu_to_le32(len),
.mode = cpu_to_le32(BIT(31)),
};
struct sk_buff *skb = mt7603_mcu_msg_alloc(&req, sizeof(req));
return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_TARGET_ADDRESS_LEN_REQ,
MCU_Q_NA);
}
static int
mt7603_mcu_send_firmware(struct mt7603_dev *dev, const void *data, int len)
{
struct sk_buff *skb;
int ret = 0;
while (len > 0) {
int cur_len = min_t(int, 4096 - sizeof(struct mt7603_mcu_txd),
len);
skb = mt7603_mcu_msg_alloc(data, cur_len);
if (!skb)
return -ENOMEM;
ret = __mt7603_mcu_msg_send(dev, skb, -MCU_CMD_FW_SCATTER,
MCU_Q_NA, NULL);
if (ret)
break;
data += cur_len;
len -= cur_len;
}
return ret;
}
static int
mt7603_mcu_start_firmware(struct mt7603_dev *dev, u32 addr)
{
struct {
__le32 override;
__le32 addr;
} req = {
.override = cpu_to_le32(addr ? 1 : 0),
.addr = cpu_to_le32(addr),
};
struct sk_buff *skb = mt7603_mcu_msg_alloc(&req, sizeof(req));
return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_FW_START_REQ,
MCU_Q_NA);
}
static int
mt7603_mcu_restart(struct mt7603_dev *dev)
{
struct sk_buff *skb = mt7603_mcu_msg_alloc(NULL, 0);
return mt7603_mcu_msg_send(dev, skb, -MCU_CMD_RESTART_DL_REQ,
MCU_Q_NA);
}
static int
mt7603_load_firmware(struct mt7603_dev *dev)
{
const struct firmware *fw;
const struct mt7603_fw_trailer *hdr;
const char *firmware;
int dl_len;
u32 addr, val;
int ret;
if (is_mt7628(dev)) {
if (mt76xx_rev(dev) == MT7628_REV_E1)
firmware = MT7628_FIRMWARE_E1;
else
firmware = MT7628_FIRMWARE_E2;
} else {
if (mt76xx_rev(dev) < MT7603_REV_E2)
firmware = MT7603_FIRMWARE_E1;
else
firmware = MT7603_FIRMWARE_E2;
}
ret = request_firmware(&fw, firmware, dev->mt76.dev);
if (ret)
return ret;
if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
dev_err(dev->mt76.dev, "Invalid firmware\n");
ret = -EINVAL;
goto out;
}
hdr = (const struct mt7603_fw_trailer *)(fw->data + fw->size -
sizeof(*hdr));
dev_info(dev->mt76.dev, "Firmware Version: %.10s\n", hdr->fw_ver);
dev_info(dev->mt76.dev, "Build Time: %.15s\n", hdr->build_date);
addr = mt7603_reg_map(dev, 0x50012498);
mt76_wr(dev, addr, 0x5);
mt76_wr(dev, addr, 0x5);
udelay(1);
/* switch to bypass mode */
mt76_rmw(dev, MT_SCH_4, MT_SCH_4_FORCE_QID,
MT_SCH_4_BYPASS | FIELD_PREP(MT_SCH_4_FORCE_QID, 5));
val = mt76_rr(dev, MT_TOP_MISC2);
if (val & BIT(1)) {
dev_info(dev->mt76.dev, "Firmware already running...\n");
goto running;
}
if (!mt76_poll_msec(dev, MT_TOP_MISC2, BIT(0) | BIT(1), BIT(0), 500)) {
dev_err(dev->mt76.dev, "Timeout waiting for ROM code to become ready\n");
ret = -EIO;
goto out;
}
dl_len = le32_to_cpu(hdr->dl_len) + 4;
ret = mt7603_mcu_init_download(dev, MCU_FIRMWARE_ADDRESS, dl_len);
if (ret) {
dev_err(dev->mt76.dev, "Download request failed\n");
goto out;
}
ret = mt7603_mcu_send_firmware(dev, fw->data, dl_len);
if (ret) {
dev_err(dev->mt76.dev, "Failed to send firmware to device\n");
goto out;
}
ret = mt7603_mcu_start_firmware(dev, MCU_FIRMWARE_ADDRESS);
if (ret) {
dev_err(dev->mt76.dev, "Failed to start firmware\n");
goto out;
}
if (!mt76_poll_msec(dev, MT_TOP_MISC2, BIT(1), BIT(1), 500)) {
dev_err(dev->mt76.dev, "Timeout waiting for firmware to initialize\n");
ret = -EIO;
goto out;
}
running:
mt76_clear(dev, MT_SCH_4, MT_SCH_4_FORCE_QID | MT_SCH_4_BYPASS);
mt76_set(dev, MT_SCH_4, BIT(8));
mt76_clear(dev, MT_SCH_4, BIT(8));
dev->mcu_running = true;
dev_info(dev->mt76.dev, "firmware init done\n");
out:
release_firmware(fw);
return ret;
}
int mt7603_mcu_init(struct mt7603_dev *dev)
{
mutex_init(&dev->mt76.mmio.mcu.mutex);
return mt7603_load_firmware(dev);
}
dev->mt76.drv = &drv_ops;
return dev;
}
static void
mt7603_set_tmac_template(struct mt7603_dev *dev)
{
u32 desc[5] = {
[1] = MT76_SET(MT_TXD3_REM_TX_COUNT, 0xf),
[3] = MT_TXD5_SW_POWER_MGMT
};
u32 addr;
int i;
addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);
addr += MT_CLIENT_TMAC_INFO_TEMPLATE;
for (i = 0; i < ARRAY_SIZE(desc); i++)
mt76_wr(dev, addr + 4 * i, desc[i]);
}
static void
mt7603_dma_sched_init(struct mt7603_dev *dev)
{
int page_size = 128;
int page_count;
int max_len = 1792;
int max_amsdu_len = 4096;
int max_mcu_len = 4096;
int max_beacon_len = 512 * 8 + max_len;
int max_mcast_count = 3;