diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index d6a9a0bc94f33ae490df4d4be839afa90c8060ba..f56b95af3fcf798356bbe41c7a364ce0149fffe0 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -283,6 +283,7 @@ static const struct pci_device_id cxgb4_pci_tbl[] = {
 	CH_DEVICE(0x5083, 4),
 	CH_DEVICE(0x5084, 4),
 	CH_DEVICE(0x5085, 4),
+	CH_DEVICE(0x5086, 4),
 	CH_DEVICE(0x5401, 4),
 	CH_DEVICE(0x5402, 4),
 	CH_DEVICE(0x5403, 4),
@@ -310,6 +311,7 @@ static const struct pci_device_id cxgb4_pci_tbl[] = {
 	CH_DEVICE(0x5483, 4),
 	CH_DEVICE(0x5484, 4),
 	CH_DEVICE(0x5485, 4),
+	CH_DEVICE(0x5486, 4),
 	{ 0, }
 };
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 41d04462b72eb158f7699c38000e6331291d2447..22d7581341a912a3fb1329fdf7445677aa27f2cd 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -1099,6 +1099,9 @@ static int t4_flash_erase_sectors(struct adapter *adapter, int start, int end)
 {
 	int ret = 0;
 
+	if (end >= adapter->params.sf_nsec)
+		return -EINVAL;
+
 	while (start <= end) {
 		if ((ret = sf1_write(adapter, 1, 0, 1, SF_WR_ENABLE)) != 0 ||
 		    (ret = sf1_write(adapter, 4, 0, 1,
@@ -3850,8 +3853,20 @@ int t4_wait_dev_ready(struct adapter *adap)
 	return t4_read_reg(adap, PL_WHOAMI) != 0xffffffff ? 0 : -EIO;
 }
 
+struct flash_desc {
+	u32 vendor_and_model_id;
+	u32 size_mb;
+};
+
 static int get_flash_params(struct adapter *adap)
 {
+	/* Table for non-Numonix supported flash parts.  Numonix parts are left
+	 * to the preexisting code.  All flash parts have 64KB sectors.
+	 */
+	static struct flash_desc supported_flash[] = {
+		{ 0x150201, 4 << 20 },       /* Spansion 4MB S25FL032P */
+	};
+
 	int ret;
 	u32 info;
 
@@ -3862,6 +3877,14 @@ static int get_flash_params(struct adapter *adap)
 	if (ret)
 		return ret;
 
+	for (ret = 0; ret < ARRAY_SIZE(supported_flash); ++ret)
+		if (supported_flash[ret].vendor_and_model_id == info) {
+			adap->params.sf_size = supported_flash[ret].size_mb;
+			adap->params.sf_nsec =
+				adap->params.sf_size / SF_SEC_SIZE;
+			return 0;
+		}
+
 	if ((info & 0xff) != 0x20)             /* not a Numonix flash */
 		return -EINVAL;
 	info >>= 16;                           /* log2 of size */
@@ -3874,6 +3897,10 @@ static int get_flash_params(struct adapter *adap)
 	adap->params.sf_size = 1 << info;
 	adap->params.sf_fw_start =
 		t4_read_reg(adap, CIM_BOOT_CFG) & BOOTADDR_MASK;
+
+	if (adap->params.sf_size < FLASH_MIN_SIZE)
+		dev_warn(adap->pdev_dev, "WARNING!!! FLASH size %#x < %#x!!!\n",
+			 adap->params.sf_size, FLASH_MIN_SIZE);
 	return 0;
 }
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h
index 35e3d8e3288162485d442a16e0f4435c5109d998..6833a7b02137d227a3ba6d883902d8b26b119bbe 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h
@@ -175,7 +175,7 @@ enum {
 	 * Location of firmware image in FLASH.
 	 */
 	FLASH_FW_START_SEC = 8,
-	FLASH_FW_NSECS = 8,
+	FLASH_FW_NSECS = 16,
 	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC),
 	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS),
 
@@ -206,6 +206,12 @@ enum {
 	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC),
 	FLASH_CFG_MAX_SIZE = FLASH_MAX_SIZE(FLASH_CFG_NSECS),
 
+	/* We don't support FLASH devices which can't support the full
+	 * standard set of sections which we need for normal
+	 * operations.
+	 */
+	FLASH_MIN_SIZE = FLASH_CFG_START + FLASH_CFG_MAX_SIZE,
+
 	FLASH_FPGA_CFG_START_SEC = 15,
 	FLASH_FPGA_CFG_START = FLASH_START(FLASH_FPGA_CFG_START_SEC),
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 2102a4c9173757eb2b1c809fd1dbe8c5332b742d..82534031cada052701436b1b10f617d9faeed672 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2912,7 +2912,6 @@ static void cxgb4vf_pci_shutdown(struct pci_dev *pdev)
 
 static const struct pci_device_id cxgb4vf_pci_tbl[] = {
 	CH_DEVICE(0xb000, 0),	/* PE10K FPGA */
-	CH_DEVICE(0x4800, 0),	/* T440-dbg */
 	CH_DEVICE(0x4801, 0),	/* T420-cr */
 	CH_DEVICE(0x4802, 0),	/* T422-cr */
 	CH_DEVICE(0x4803, 0),	/* T440-cr */
@@ -2934,7 +2933,6 @@ static const struct pci_device_id cxgb4vf_pci_tbl[] = {
 	CH_DEVICE(0x4880, 6),
 	CH_DEVICE(0x4880, 7),
 	CH_DEVICE(0x4880, 8),
-	CH_DEVICE(0x5800, 0),	/* T580-dbg */
 	CH_DEVICE(0x5801, 0),	/* T520-cr */
 	CH_DEVICE(0x5802, 0),	/* T522-cr */
 	CH_DEVICE(0x5803, 0),	/* T540-cr */
@@ -2962,6 +2960,7 @@ static const struct pci_device_id cxgb4vf_pci_tbl[] = {
 	CH_DEVICE(0x5883, 0),
 	CH_DEVICE(0x5884, 0),
 	CH_DEVICE(0x5885, 0),
+	CH_DEVICE(0x5886, 0),
 	{ 0, }
 };