From 799e125cca9f75a6e3bc87676266f8da4ebefcfd Mon Sep 17 00:00:00 2001 From: Jiandong Zheng Date: Fri, 1 Aug 2014 20:37:16 -0700 Subject: arm: bcm281xx: net: Add Ethernet Driver The Broadcom StarFighter2 Ethernet driver is used in multiple Broadcom SoC(s) and: - supports multiple MAC blocks, - provides support for the Broadcom GMAC. This driver requires MII and PHYLIB. Signed-off-by: Jiandong Zheng Signed-off-by: Steve Rae --- drivers/net/bcm-sf2-eth.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 drivers/net/bcm-sf2-eth.h (limited to 'drivers/net/bcm-sf2-eth.h') diff --git a/drivers/net/bcm-sf2-eth.h b/drivers/net/bcm-sf2-eth.h new file mode 100644 index 00000000000..49a58361326 --- /dev/null +++ b/drivers/net/bcm-sf2-eth.h @@ -0,0 +1,70 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _BCM_SF2_ETH_H_ +#define _BCM_SF2_ETH_H_ + +#include + +#define RX_BUF_SIZE 2048 +/* RX_BUF_NUM must be power of 2 */ +#define RX_BUF_NUM 32 + +#define TX_BUF_SIZE 2048 +/* TX_BUF_NUM must be power of 2 */ +#define TX_BUF_NUM 2 + +/* Support 2 Ethernet ports now */ +#define BCM_ETH_MAX_PORT_NUM 2 + +#define CONFIG_BCM_SF2_ETH_DEFAULT_PORT 0 + +enum { + MAC_DMA_TX = 1, + MAC_DMA_RX = 2 +}; + +struct eth_dma { + void *tx_desc_aligned; + void *rx_desc_aligned; + void *tx_desc; + void *rx_desc; + + uint8_t *tx_buf; + uint8_t *rx_buf; + + int cur_tx_index; + int cur_rx_index; + + int (*tx_packet)(struct eth_dma *dma, void *packet, int length); + bool (*check_tx_done)(struct eth_dma *dma); + + int (*check_rx_done)(struct eth_dma *dma, uint8_t *buf); + + int (*enable_dma)(struct eth_dma *dma, int dir); + int (*disable_dma)(struct eth_dma *dma, int dir); +}; + +struct eth_info { + struct eth_dma dma; + phy_interface_t phy_interface; + struct phy_device *port[BCM_ETH_MAX_PORT_NUM]; + int port_num; + + int (*miiphy_read)(const char *devname, unsigned char phyaddr, + unsigned char reg, unsigned short *value); + int (*miiphy_write)(const char *devname, unsigned char phyaddr, + unsigned char reg, unsigned short value); + + int (*mac_init)(struct eth_device *dev); + int (*enable_mac)(void); + int (*disable_mac)(void); + int (*set_mac_addr)(unsigned char *mac); + int (*set_mac_speed)(int speed, int duplex); + +}; + +#endif /* _BCM_SF2_ETH_H_ */ -- cgit v1.2.3