cxgb4: add support to flash boot image

Update set_flash to flash boot image to flash region

Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 48 insertions, 0 deletions

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index b49d16a54ada..7b5f1869d8e7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -142,6 +142,52 @@ enum cc_fec {
 enum {
 	CXGB4_ETHTOOL_FLASH_FW = 1,
 	CXGB4_ETHTOOL_FLASH_PHY = 2,
+	CXGB4_ETHTOOL_FLASH_BOOT = 3,
+};
+
+struct cxgb4_pcir_data {
+	__le32 signature;	/* Signature. The string "PCIR" */
+	__le16 vendor_id;	/* Vendor Identification */
+	__le16 device_id;	/* Device Identification */
+	__u8 vital_product[2];	/* Pointer to Vital Product Data */
+	__u8 length[2];		/* PCIR Data Structure Length */
+	__u8 revision;		/* PCIR Data Structure Revision */
+	__u8 class_code[3];	/* Class Code */
+	__u8 image_length[2];	/* Image Length. Multiple of 512B */
+	__u8 code_revision[2];	/* Revision Level of Code/Data */
+	__u8 code_type;
+	__u8 indicator;
+	__u8 reserved[2];
+};
+
+/* BIOS boot headers */
+struct cxgb4_pci_exp_rom_header {
+	__le16 signature;	/* ROM Signature. Should be 0xaa55 */
+	__u8 reserved[22];	/* Reserved per processor Architecture data */
+	__le16 pcir_offset;	/* Offset to PCI Data Structure */
+};
+
+/* Legacy PCI Expansion ROM Header */
+struct legacy_pci_rom_hdr {
+	__u8 signature[2];	/* ROM Signature. Should be 0xaa55 */
+	__u8 size512;		/* Current Image Size in units of 512 bytes */
+	__u8 initentry_point[4];
+	__u8 cksum;		/* Checksum computed on the entire Image */
+	__u8 reserved[16];	/* Reserved */
+	__le16 pcir_offset;	/* Offset to PCI Data Struture */
+};
+
+#define CXGB4_HDR_CODE1 0x00
+#define CXGB4_HDR_CODE2 0x03
+#define CXGB4_HDR_INDI 0x80
+
+/* BOOT constants */
+enum {
+	BOOT_SIZE_INC = 512,
+	BOOT_SIGNATURE = 0xaa55,
+	BOOT_MIN_SIZE = sizeof(struct cxgb4_pci_exp_rom_header),
+	BOOT_MAX_SIZE = 1024 * BOOT_SIZE_INC,
+	PCIR_SIGNATURE = 0x52494350
 };
 
 struct port_stats {
@@ -1998,6 +2044,8 @@ void t4_register_netevent_notifier(void);
 int t4_i2c_rd(struct adapter *adap, unsigned int mbox, int port,
 	      unsigned int devid, unsigned int offset,
 	      unsigned int len, u8 *buf);
+int t4_load_boot(struct adapter *adap, u8 *boot_data,
+		 unsigned int boot_addr, unsigned int size);
 void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq, struct sge_fl *fl);
 void free_tx_desc(struct adapter *adap, struct sge_txq *q,
 		  unsigned int n, bool unmap);