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[etherfabric] Merge changes from vendor tree

Also clean up minor errors in the use of debug macros.
tags/v0.9.6
Michael Brown 16 years ago
parent
commit
58dd6e04c5
2 changed files with 3775 additions and 2764 deletions
  1. 3574
    2764
      src/drivers/net/etherfabric.c
  2. 201
    0
      src/drivers/net/etherfabric_nic.h

+ 3574
- 2764
src/drivers/net/etherfabric.c
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+ 201
- 0
src/drivers/net/etherfabric_nic.h View File

@@ -0,0 +1,201 @@
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+/**************************************************************************
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+ *
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+ * Etherboot driver for Level 5 Etherfabric network cards
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+ *
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+ * Written by Michael Brown <mbrown@fensystems.co.uk>
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+ *
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+ * Copyright Fen Systems Ltd. 2005
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+ * Copyright Level 5 Networks Inc. 2005
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+ *
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+ * This software may be used and distributed according to the terms of
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+ * the GNU General Public License (GPL), incorporated herein by
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+ * reference.  Drivers based on or derived from this code fall under
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+ * the GPL and must retain the authorship, copyright and license
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+ * notice.
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+ *
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+ **************************************************************************
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+ */
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+#ifndef EFAB_NIC_H
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+#define  EFAB_NIC_H
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+#include <gpxe/bitbash.h>
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+#include <gpxe/i2c.h>
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+#include <gpxe/spi.h>
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+#include <gpxe/nvo.h>
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+#include <gpxe/if_ether.h>
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+/**************************************************************************
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+ *
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+ * Constants and macros
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+ *
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+ **************************************************************************
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+ */
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+/* Board IDs. Early boards have no board_type, (e.g. EF1002 and 401/403)
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+ * But newer boards are getting bigger...
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+ */
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+typedef enum {
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+	EFAB_BOARD_INVALID = 0, /* Early boards do not have board rev. info. */
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+	EFAB_BOARD_SFE4001 = 1,
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+	EFAB_BOARD_SFE4002 = 2,
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+	EFAB_BOARD_SFE4003 = 3,
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+	/* Insert new types before here */
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+	EFAB_BOARD_MAX
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+} efab_board_type;
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+
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+/* PHY types. */
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+typedef enum {
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+	PHY_TYPE_AUTO = 0, /* on development board detect between CX4 & alaska */
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+	PHY_TYPE_CX4_RTMR = 1,
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+	PHY_TYPE_1GIG_ALASKA = 2,
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+	PHY_TYPE_10XPRESS = 3,
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+	PHY_TYPE_XFP = 4,
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+	PHY_TYPE_CX4 = 5,
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+	PHY_TYPE_PM8358 = 6,
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+} phy_type_t;
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+
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+/**************************************************************************
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+ *
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+ * Hardware data structures and sizing
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+ *
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+ **************************************************************************
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+ */
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+
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+#define dma_addr_t unsigned long
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+typedef efab_qword_t falcon_rx_desc_t;
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+typedef efab_qword_t falcon_tx_desc_t;
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+typedef efab_qword_t falcon_event_t;
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+
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+#define EFAB_BUF_ALIGN		4096
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+#define EFAB_RXD_SIZE		512
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+#define EFAB_TXD_SIZE		512
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+#define EFAB_EVQ_SIZE		512
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+
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+#define EFAB_NUM_RX_DESC        16
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+#define EFAB_RX_BUF_SIZE	1600
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+
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+/**************************************************************************
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+ *
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+ * Data structures
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+ *
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+ **************************************************************************
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+ */
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+
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+struct efab_nic;
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+
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+/* A buffer table allocation backing a tx dma, rx dma or eventq */
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+struct efab_special_buffer {
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+	dma_addr_t dma_addr;
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+	int id;
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+};
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+
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+/* A TX queue */
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+struct efab_tx_queue {
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+	/* The hardware ring */
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+	falcon_tx_desc_t *ring;
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+
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+	/* The software ring storing io_buffers. */
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+	struct io_buffer *buf[EFAB_TXD_SIZE];
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+
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+	/* The buffer table reservation pushed to hardware */
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+	struct efab_special_buffer entry;
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+
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+	/* Software descriptor write ptr */
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+	unsigned int write_ptr;
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+
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+	/* Hardware descriptor read ptr */
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+	unsigned int read_ptr;
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+};
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+
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+/* An RX queue */
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+struct efab_rx_queue {
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+	/* The hardware ring */
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+	falcon_rx_desc_t *ring;
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+
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+	/* The software ring storing io_buffers */
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+	struct io_buffer *buf[EFAB_NUM_RX_DESC];
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+
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+	/* The buffer table reservation pushed to hardware */
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+	struct efab_special_buffer entry;
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+
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+	/* Descriptor write ptr, into both the hardware and software rings */
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+	unsigned int write_ptr;
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+
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+	/* Hardware completion ptr */
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+	unsigned int read_ptr;
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+};
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+
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+/* An event queue */
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+struct efab_ev_queue {
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+	/* The hardware ring to push to hardware.
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+	 * Must be the first entry in the structure */
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+	falcon_event_t *ring;
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+
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+	/* The buffer table reservation pushed to hardware */
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+	struct efab_special_buffer entry;
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+
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+	/* Pointers into the ring */
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+	unsigned int read_ptr;
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+};
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+
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+struct efab_mac_operations {
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+	int ( * init ) ( struct efab_nic *efab );
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+};
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+
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+struct efab_phy_operations {
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+	int ( * init ) ( struct efab_nic *efab );
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+	unsigned int mmds;
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+};
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+
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+struct efab_board_operations {
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+	int ( * init ) ( struct efab_nic *efab );
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+	void ( * fini ) ( struct efab_nic *efab );
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+};
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+
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+struct efab_nic {
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+	struct net_device *netdev;
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+	int pci_revision;
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+	int is_asic;
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+
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+	/* I2C bit-bashed interface */
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+	struct i2c_bit_basher i2c_bb;
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+
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+	/** SPI bus and devices, and the user visible NVO area */
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+	struct spi_bus spi_bus;
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+	struct spi_device spi_flash;
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+	struct spi_device spi_eeprom;
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+	struct spi_device *spi;
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+	struct nvo_block nvo;
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+
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+	/** Board, MAC, and PHY operations tables */
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+	struct efab_board_operations *board_op;
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+	struct efab_mac_operations *mac_op;
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+	struct efab_phy_operations *phy_op;
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+
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+	/* PHY and board types */
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+	int phy_addr;
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+	int phy_type;
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+	int phy_10g;
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+	int board_type;
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+
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+	/** Memory and IO base */
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+	void *membase;
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+	unsigned int iobase;
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+
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+	/* Buffer table allocation head */
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+	int buffer_head;
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+
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+	/* Queues */
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+	struct efab_rx_queue rx_queue;
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+	struct efab_tx_queue tx_queue;
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+	struct efab_ev_queue ev_queue;
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+
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+	/** MAC address */
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+	uint8_t mac_addr[ETH_ALEN];
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+	/** GMII link options */
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+	unsigned int link_options;
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+	/** Link status */
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+	int link_up;
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+
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+	/** INT_REG_KER */
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+	efab_oword_t int_ker __attribute__ (( aligned ( 16 ) ));
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+};
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+#endif /* EFAB_NIC_H */
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+

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