diff options
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/drivers/net/etherfabric_nic.h')
| -rw-r--r-- | debian/grub-extras/disabled/gpxe/src/drivers/net/etherfabric_nic.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/drivers/net/etherfabric_nic.h b/debian/grub-extras/disabled/gpxe/src/drivers/net/etherfabric_nic.h new file mode 100644 index 0000000..fe94d80 --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/src/drivers/net/etherfabric_nic.h @@ -0,0 +1,204 @@ +/************************************************************************** + * + * Etherboot driver for Level 5 Etherfabric network cards + * + * Written by Michael Brown <mbrown@fensystems.co.uk> + * + * Copyright Fen Systems Ltd. 2005 + * Copyright Level 5 Networks Inc. 2005 + * + * This software may be used and distributed according to the terms of + * the GNU General Public License (GPL), incorporated herein by + * reference. Drivers based on or derived from this code fall under + * the GPL and must retain the authorship, copyright and license + * notice. + * + ************************************************************************** + */ + +FILE_LICENCE ( GPL_ANY ); + +#ifndef EFAB_NIC_H +#define EFAB_NIC_H +#include <gpxe/bitbash.h> +#include <gpxe/i2c.h> +#include <gpxe/spi.h> +#include <gpxe/nvo.h> +#include <gpxe/if_ether.h> +/************************************************************************** + * + * Constants and macros + * + ************************************************************************** + */ +/* Board IDs. Early boards have no board_type, (e.g. EF1002 and 401/403) + * But newer boards are getting bigger... + */ +typedef enum { + EFAB_BOARD_INVALID = 0, /* Early boards do not have board rev. info. */ + EFAB_BOARD_SFE4001 = 1, + EFAB_BOARD_SFE4002 = 2, + EFAB_BOARD_SFE4003 = 3, + /* Insert new types before here */ + EFAB_BOARD_MAX +} efab_board_type; + +/* PHY types. */ +typedef enum { + PHY_TYPE_AUTO = 0, /* on development board detect between CX4 & alaska */ + PHY_TYPE_CX4_RTMR = 1, + PHY_TYPE_1GIG_ALASKA = 2, + PHY_TYPE_10XPRESS = 3, + PHY_TYPE_XFP = 4, + PHY_TYPE_CX4 = 5, + PHY_TYPE_PM8358 = 6, +} phy_type_t; + +/************************************************************************** + * + * Hardware data structures and sizing + * + ************************************************************************** + */ + +#define dma_addr_t unsigned long +typedef efab_qword_t falcon_rx_desc_t; +typedef efab_qword_t falcon_tx_desc_t; +typedef efab_qword_t falcon_event_t; + +#define EFAB_BUF_ALIGN 4096 +#define EFAB_RXD_SIZE 512 +#define EFAB_TXD_SIZE 512 +#define EFAB_EVQ_SIZE 512 + +#define EFAB_NUM_RX_DESC 16 +#define EFAB_RX_BUF_SIZE 1600 + +/************************************************************************** + * + * Data structures + * + ************************************************************************** + */ + +struct efab_nic; + +/* A buffer table allocation backing a tx dma, rx dma or eventq */ +struct efab_special_buffer { + dma_addr_t dma_addr; + int id; +}; + +/* A TX queue */ +struct efab_tx_queue { + /* The hardware ring */ + falcon_tx_desc_t *ring; + + /* The software ring storing io_buffers. */ + struct io_buffer *buf[EFAB_TXD_SIZE]; + + /* The buffer table reservation pushed to hardware */ + struct efab_special_buffer entry; + + /* Software descriptor write ptr */ + unsigned int write_ptr; + + /* Hardware descriptor read ptr */ + unsigned int read_ptr; +}; + +/* An RX queue */ +struct efab_rx_queue { + /* The hardware ring */ + falcon_rx_desc_t *ring; + + /* The software ring storing io_buffers */ + struct io_buffer *buf[EFAB_NUM_RX_DESC]; + + /* The buffer table reservation pushed to hardware */ + struct efab_special_buffer entry; + + /* Descriptor write ptr, into both the hardware and software rings */ + unsigned int write_ptr; + + /* Hardware completion ptr */ + unsigned int read_ptr; +}; + +/* An event queue */ +struct efab_ev_queue { + /* The hardware ring to push to hardware. + * Must be the first entry in the structure */ + falcon_event_t *ring; + + /* The buffer table reservation pushed to hardware */ + struct efab_special_buffer entry; + + /* Pointers into the ring */ + unsigned int read_ptr; +}; + +struct efab_mac_operations { + int ( * init ) ( struct efab_nic *efab ); +}; + +struct efab_phy_operations { + int ( * init ) ( struct efab_nic *efab ); + unsigned int mmds; +}; + +struct efab_board_operations { + int ( * init ) ( struct efab_nic *efab ); + void ( * fini ) ( struct efab_nic *efab ); +}; + +struct efab_nic { + struct net_device *netdev; + int pci_revision; + int is_asic; + + /* I2C bit-bashed interface */ + struct i2c_bit_basher i2c_bb; + + /** SPI bus and devices, and the user visible NVO area */ + struct spi_bus spi_bus; + struct spi_device spi_flash; + struct spi_device spi_eeprom; + struct spi_device *spi; + struct nvo_block nvo; + + /** Board, MAC, and PHY operations tables */ + struct efab_board_operations *board_op; + struct efab_mac_operations *mac_op; + struct efab_phy_operations *phy_op; + + /* PHY and board types */ + int phy_addr; + int phy_type; + int phy_10g; + int board_type; + + /** Memory and IO base */ + void *membase; + unsigned int iobase; + + /* Buffer table allocation head */ + int buffer_head; + + /* Queues */ + struct efab_rx_queue rx_queue; + struct efab_tx_queue tx_queue; + struct efab_ev_queue ev_queue; + + /** MAC address */ + uint8_t mac_addr[ETH_ALEN]; + /** GMII link options */ + unsigned int link_options; + /** Link status */ + int link_up; + + /** INT_REG_KER */ + efab_oword_t int_ker __attribute__ (( aligned ( 16 ) )); +}; +#endif /* EFAB_NIC_H */ + |