d4c41139df
Adds device driver for Aeroflex Gaisler 10/100 and 10/100/1G Ethernet MAC IP cores. Signed-off-by: Kristoffer Glembo <kristoffer@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
144 lines
3.5 KiB
C
144 lines
3.5 KiB
C
#ifndef GRETH_H
|
|
#define GRETH_H
|
|
|
|
#include <linux/phy.h>
|
|
|
|
/* Register bits and masks */
|
|
#define GRETH_RESET 0x40
|
|
#define GRETH_MII_BUSY 0x8
|
|
#define GRETH_MII_NVALID 0x10
|
|
|
|
#define GRETH_CTRL_FD 0x10
|
|
#define GRETH_CTRL_PR 0x20
|
|
#define GRETH_CTRL_SP 0x80
|
|
#define GRETH_CTRL_GB 0x100
|
|
#define GRETH_CTRL_PSTATIEN 0x400
|
|
#define GRETH_CTRL_MCEN 0x800
|
|
#define GRETH_CTRL_DISDUPLEX 0x1000
|
|
#define GRETH_STATUS_PHYSTAT 0x100
|
|
|
|
#define GRETH_BD_EN 0x800
|
|
#define GRETH_BD_WR 0x1000
|
|
#define GRETH_BD_IE 0x2000
|
|
#define GRETH_BD_LEN 0x7FF
|
|
|
|
#define GRETH_TXEN 0x1
|
|
#define GRETH_INT_TX 0x8
|
|
#define GRETH_TXI 0x4
|
|
#define GRETH_TXBD_STATUS 0x0001C000
|
|
#define GRETH_TXBD_MORE 0x20000
|
|
#define GRETH_TXBD_IPCS 0x40000
|
|
#define GRETH_TXBD_TCPCS 0x80000
|
|
#define GRETH_TXBD_UDPCS 0x100000
|
|
#define GRETH_TXBD_CSALL (GRETH_TXBD_IPCS | GRETH_TXBD_TCPCS | GRETH_TXBD_UDPCS)
|
|
#define GRETH_TXBD_ERR_LC 0x10000
|
|
#define GRETH_TXBD_ERR_UE 0x4000
|
|
#define GRETH_TXBD_ERR_AL 0x8000
|
|
|
|
#define GRETH_INT_RX 0x4
|
|
#define GRETH_RXEN 0x2
|
|
#define GRETH_RXI 0x8
|
|
#define GRETH_RXBD_STATUS 0xFFFFC000
|
|
#define GRETH_RXBD_ERR_AE 0x4000
|
|
#define GRETH_RXBD_ERR_FT 0x8000
|
|
#define GRETH_RXBD_ERR_CRC 0x10000
|
|
#define GRETH_RXBD_ERR_OE 0x20000
|
|
#define GRETH_RXBD_ERR_LE 0x40000
|
|
#define GRETH_RXBD_IP 0x80000
|
|
#define GRETH_RXBD_IP_CSERR 0x100000
|
|
#define GRETH_RXBD_UDP 0x200000
|
|
#define GRETH_RXBD_UDP_CSERR 0x400000
|
|
#define GRETH_RXBD_TCP 0x800000
|
|
#define GRETH_RXBD_TCP_CSERR 0x1000000
|
|
#define GRETH_RXBD_IP_FRAG 0x2000000
|
|
#define GRETH_RXBD_MCAST 0x4000000
|
|
|
|
/* Descriptor parameters */
|
|
#define GRETH_TXBD_NUM 128
|
|
#define GRETH_TXBD_NUM_MASK (GRETH_TXBD_NUM-1)
|
|
#define GRETH_TX_BUF_SIZE 2048
|
|
#define GRETH_RXBD_NUM 128
|
|
#define GRETH_RXBD_NUM_MASK (GRETH_RXBD_NUM-1)
|
|
#define GRETH_RX_BUF_SIZE 2048
|
|
|
|
/* Buffers per page */
|
|
#define GRETH_RX_BUF_PPGAE (PAGE_SIZE/GRETH_RX_BUF_SIZE)
|
|
#define GRETH_TX_BUF_PPGAE (PAGE_SIZE/GRETH_TX_BUF_SIZE)
|
|
|
|
/* How many pages are needed for buffers */
|
|
#define GRETH_RX_BUF_PAGE_NUM (GRETH_RXBD_NUM/GRETH_RX_BUF_PPGAE)
|
|
#define GRETH_TX_BUF_PAGE_NUM (GRETH_TXBD_NUM/GRETH_TX_BUF_PPGAE)
|
|
|
|
/* Buffer size.
|
|
* Gbit MAC uses tagged maximum frame size which is 1518 excluding CRC.
|
|
* Set to 1520 to make all buffers word aligned for non-gbit MAC.
|
|
*/
|
|
#define MAX_FRAME_SIZE 1520
|
|
|
|
/* Flags */
|
|
#define GRETH_FLAG_RX_CSUM 0x1
|
|
|
|
/* GRETH APB registers */
|
|
struct greth_regs {
|
|
u32 control;
|
|
u32 status;
|
|
u32 esa_msb;
|
|
u32 esa_lsb;
|
|
u32 mdio;
|
|
u32 tx_desc_p;
|
|
u32 rx_desc_p;
|
|
u32 edclip;
|
|
u32 hash_msb;
|
|
u32 hash_lsb;
|
|
};
|
|
|
|
/* GRETH buffer descriptor */
|
|
struct greth_bd {
|
|
u32 stat;
|
|
u32 addr;
|
|
};
|
|
|
|
struct greth_private {
|
|
struct sk_buff *rx_skbuff[GRETH_RXBD_NUM];
|
|
struct sk_buff *tx_skbuff[GRETH_TXBD_NUM];
|
|
|
|
unsigned char *tx_bufs[GRETH_TXBD_NUM];
|
|
unsigned char *rx_bufs[GRETH_RXBD_NUM];
|
|
|
|
u16 tx_next;
|
|
u16 tx_last;
|
|
u16 tx_free;
|
|
u16 rx_cur;
|
|
|
|
struct greth_regs *regs; /* Address of controller registers. */
|
|
struct greth_bd *rx_bd_base; /* Address of Rx BDs. */
|
|
struct greth_bd *tx_bd_base; /* Address of Tx BDs. */
|
|
dma_addr_t rx_bd_base_phys;
|
|
dma_addr_t tx_bd_base_phys;
|
|
|
|
int irq;
|
|
|
|
struct device *dev; /* Pointer to of_device->dev */
|
|
struct net_device *netdev;
|
|
struct napi_struct napi;
|
|
spinlock_t devlock;
|
|
|
|
struct phy_device *phy;
|
|
struct mii_bus *mdio;
|
|
int mdio_irqs[PHY_MAX_ADDR];
|
|
unsigned int link;
|
|
unsigned int speed;
|
|
unsigned int duplex;
|
|
|
|
u32 msg_enable;
|
|
u32 flags;
|
|
|
|
u8 phyaddr;
|
|
u8 multicast;
|
|
u8 gbit_mac;
|
|
u8 mdio_int_en;
|
|
u8 edcl;
|
|
};
|
|
|
|
#endif
|