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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BCM63XX_DEV_ENET_H_
#define BCM63XX_DEV_ENET_H_
#include <linux/if_ether.h>
#include <linux/init.h>
#include <bcm63xx_regs.h>
/*
* on board ethernet platform data
*/
struct bcm63xx_enet_platform_data {
char mac_addr[ETH_ALEN];
int has_phy;
/* if has_phy, then set use_internal_phy */
int use_internal_phy;
/* or fill phy info to use an external one */
int phy_id;
int has_phy_interrupt;
int phy_interrupt;
/* if has_phy, use autonegotiated pause parameters or force
* them */
int pause_auto;
int pause_rx;
int pause_tx;
/* if !has_phy, set desired forced speed/duplex */
int force_speed_100;
int force_duplex_full;
/* if !has_phy, set callback to perform mii device
* init/remove */
int (*mii_config)(struct net_device *dev, int probe,
int (*mii_read)(struct net_device *dev,
int phy_id, int reg),
void (*mii_write)(struct net_device *dev,
int phy_id, int reg, int val));
/* DMA channel enable mask */
u32 dma_chan_en_mask;
/* DMA channel interrupt mask */
u32 dma_chan_int_mask;
/* DMA engine has internal SRAM */
bool dma_has_sram;
/* DMA channel register width */
unsigned int dma_chan_width;
/* DMA descriptor shift */
unsigned int dma_desc_shift;
/* dma channel ids */
int rx_chan;
int tx_chan;
};
/*
* on board ethernet switch platform data
*/
#define ENETSW_MAX_PORT 8
#define ENETSW_PORTS_6328 5 /* 4 FE PHY + 1 RGMII */
#define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
#define ENETSW_RGMII_PORT0 4
struct bcm63xx_enetsw_port {
int used;
int phy_id;
int bypass_link;
int force_speed;
int force_duplex_full;
const char *name;
};
struct bcm63xx_enetsw_platform_data {
char mac_addr[ETH_ALEN];
int num_ports;
struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
/* DMA channel enable mask */
u32 dma_chan_en_mask;
/* DMA channel interrupt mask */
u32 dma_chan_int_mask;
/* DMA channel register width */
unsigned int dma_chan_width;
/* DMA engine has internal SRAM */
bool dma_has_sram;
};
int __init bcm63xx_enet_register(int unit,
const struct bcm63xx_enet_platform_data *pd);
int bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);
enum bcm63xx_regs_enetdmac {
ENETDMAC_CHANCFG,
ENETDMAC_IR,
ENETDMAC_IRMASK,
ENETDMAC_MAXBURST,
ENETDMAC_BUFALLOC,
ENETDMAC_RSTART,
ENETDMAC_FC,
ENETDMAC_LEN,
};
static inline unsigned long bcm63xx_enetdmacreg(enum bcm63xx_regs_enetdmac reg)
{
extern const unsigned long *bcm63xx_regs_enetdmac;
return bcm63xx_regs_enetdmac[reg];
}
#endif /* ! BCM63XX_DEV_ENET_H_ */
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