cxgb4: Add PHY firmware support for T420-BT cards
Add support for flashing 10GBaseT adapter with BCM 84834 PHY and
Aquantia AQ1202 PHY.
Updating of the PHY firmware must happen before the INITIALIZE_CMD.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 5b8f80fb..73ac153 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -137,6 +137,10 @@
#define FW5_FNAME "cxgb4/t5fw.bin"
#define FW4_CFNAME "cxgb4/t4-config.txt"
#define FW5_CFNAME "cxgb4/t5-config.txt"
+#define PHY_AQ1202_FIRMWARE "cxgb4/aq1202_fw.cld"
+#define PHY_BCM84834_FIRMWARE "cxgb4/bcm8483.bin"
+#define PHY_AQ1202_DEVICEID 0x4409
+#define PHY_BCM84834_DEVICEID 0x4486
MODULE_DESCRIPTION(DRV_DESC);
MODULE_AUTHOR("Chelsio Communications");
@@ -318,8 +322,9 @@
* level") we need to issue the Set Parameters Commannd
* without sleeping (timeout < 0).
*/
- err = t4_set_params_nosleep(adap, adap->mbox, adap->fn, 0, 1,
- &name, &value);
+ err = t4_set_params_timeout(adap, adap->mbox, adap->fn, 0, 1,
+ &name, &value,
+ -FW_CMD_MAX_TIMEOUT);
if (err)
dev_err(adap->pdev_dev,
@@ -3222,6 +3227,142 @@
return 0;
}
+/* 10Gb/s-BT PHY Support. chip-external 10Gb/s-BT PHYs are complex chips
+ * unto themselves and they contain their own firmware to perform their
+ * tasks ...
+ */
+static int phy_aq1202_version(const u8 *phy_fw_data,
+ size_t phy_fw_size)
+{
+ int offset;
+
+ /* At offset 0x8 you're looking for the primary image's
+ * starting offset which is 3 Bytes wide
+ *
+ * At offset 0xa of the primary image, you look for the offset
+ * of the DRAM segment which is 3 Bytes wide.
+ *
+ * The FW version is at offset 0x27e of the DRAM and is 2 Bytes
+ * wide
+ */
+ #define be16(__p) (((__p)[0] << 8) | (__p)[1])
+ #define le16(__p) ((__p)[0] | ((__p)[1] << 8))
+ #define le24(__p) (le16(__p) | ((__p)[2] << 16))
+
+ offset = le24(phy_fw_data + 0x8) << 12;
+ offset = le24(phy_fw_data + offset + 0xa);
+ return be16(phy_fw_data + offset + 0x27e);
+
+ #undef be16
+ #undef le16
+ #undef le24
+}
+
+static struct info_10gbt_phy_fw {
+ unsigned int phy_fw_id; /* PCI Device ID */
+ char *phy_fw_file; /* /lib/firmware/ PHY Firmware file */
+ int (*phy_fw_version)(const u8 *phy_fw_data, size_t phy_fw_size);
+ int phy_flash; /* Has FLASH for PHY Firmware */
+} phy_info_array[] = {
+ {
+ PHY_AQ1202_DEVICEID,
+ PHY_AQ1202_FIRMWARE,
+ phy_aq1202_version,
+ 1,
+ },
+ {
+ PHY_BCM84834_DEVICEID,
+ PHY_BCM84834_FIRMWARE,
+ NULL,
+ 0,
+ },
+ { 0, NULL, NULL },
+};
+
+static struct info_10gbt_phy_fw *find_phy_info(int devid)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(phy_info_array); i++) {
+ if (phy_info_array[i].phy_fw_id == devid)
+ return &phy_info_array[i];
+ }
+ return NULL;
+}
+
+/* Handle updating of chip-external 10Gb/s-BT PHY firmware. This needs to
+ * happen after the FW_RESET_CMD but before the FW_INITIALIZE_CMD. On error
+ * we return a negative error number. If we transfer new firmware we return 1
+ * (from t4_load_phy_fw()). If we don't do anything we return 0.
+ */
+static int adap_init0_phy(struct adapter *adap)
+{
+ const struct firmware *phyf;
+ int ret;
+ struct info_10gbt_phy_fw *phy_info;
+
+ /* Use the device ID to determine which PHY file to flash.
+ */
+ phy_info = find_phy_info(adap->pdev->device);
+ if (!phy_info) {
+ dev_warn(adap->pdev_dev,
+ "No PHY Firmware file found for this PHY\n");
+ return -EOPNOTSUPP;
+ }
+
+ /* If we have a T4 PHY firmware file under /lib/firmware/cxgb4/, then
+ * use that. The adapter firmware provides us with a memory buffer
+ * where we can load a PHY firmware file from the host if we want to
+ * override the PHY firmware File in flash.
+ */
+ ret = request_firmware_direct(&phyf, phy_info->phy_fw_file,
+ adap->pdev_dev);
+ if (ret < 0) {
+ /* For adapters without FLASH attached to PHY for their
+ * firmware, it's obviously a fatal error if we can't get the
+ * firmware to the adapter. For adapters with PHY firmware
+ * FLASH storage, it's worth a warning if we can't find the
+ * PHY Firmware but we'll neuter the error ...
+ */
+ dev_err(adap->pdev_dev, "unable to find PHY Firmware image "
+ "/lib/firmware/%s, error %d\n",
+ phy_info->phy_fw_file, -ret);
+ if (phy_info->phy_flash) {
+ int cur_phy_fw_ver = 0;
+
+ t4_phy_fw_ver(adap, &cur_phy_fw_ver);
+ dev_warn(adap->pdev_dev, "continuing with, on-adapter "
+ "FLASH copy, version %#x\n", cur_phy_fw_ver);
+ ret = 0;
+ }
+
+ return ret;
+ }
+
+ /* Load PHY Firmware onto adapter.
+ */
+ ret = t4_load_phy_fw(adap, MEMWIN_NIC, &adap->win0_lock,
+ phy_info->phy_fw_version,
+ (u8 *)phyf->data, phyf->size);
+ if (ret < 0)
+ dev_err(adap->pdev_dev, "PHY Firmware transfer error %d\n",
+ -ret);
+ else if (ret > 0) {
+ int new_phy_fw_ver = 0;
+
+ if (phy_info->phy_fw_version)
+ new_phy_fw_ver = phy_info->phy_fw_version(phyf->data,
+ phyf->size);
+ dev_info(adap->pdev_dev, "Successfully transferred PHY "
+ "Firmware /lib/firmware/%s, version %#x\n",
+ phy_info->phy_fw_file, new_phy_fw_ver);
+ }
+
+ release_firmware(phyf);
+
+ return ret;
+}
+
/*
* Attempt to initialize the adapter via a Firmware Configuration File.
*/
@@ -3246,6 +3387,16 @@
goto bye;
}
+ /* If this is a 10Gb/s-BT adapter make sure the chip-external
+ * 10Gb/s-BT PHYs have up-to-date firmware. Note that this step needs
+ * to be performed after any global adapter RESET above since some
+ * PHYs only have local RAM copies of the PHY firmware.
+ */
+ if (is_10gbt_device(adapter->pdev->device)) {
+ ret = adap_init0_phy(adapter);
+ if (ret < 0)
+ goto bye;
+ }
/*
* If we have a T4 configuration file under /lib/firmware/cxgb4/,
* then use that. Otherwise, use the configuration file stored