1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef BCM63XX_DEV_ENET_H_
3 #define BCM63XX_DEV_ENET_H_
4
5 #include <linux/if_ether.h>
6 #include <linux/init.h>
7
8 #include <bcm63xx_regs.h>
9
10 /*
11 * on board ethernet platform data
12 */
13 struct bcm63xx_enet_platform_data {
14 char mac_addr[ETH_ALEN];
15
16 int has_phy;
17
18 /* if has_phy, then set use_internal_phy */
19 int use_internal_phy;
20
21 /* or fill phy info to use an external one */
22 int phy_id;
23 int has_phy_interrupt;
24 int phy_interrupt;
25
26 /* if has_phy, use autonegotiated pause parameters or force
27 * them */
28 int pause_auto;
29 int pause_rx;
30 int pause_tx;
31
32 /* if !has_phy, set desired forced speed/duplex */
33 int force_speed_100;
34 int force_duplex_full;
35
36 /* if !has_phy, set callback to perform mii device
37 * init/remove */
38 int (*mii_config)(struct net_device *dev, int probe,
39 int (*mii_read)(struct net_device *dev,
40 int phy_id, int reg),
41 void (*mii_write)(struct net_device *dev,
42 int phy_id, int reg, int val));
43
44 /* DMA channel enable mask */
45 u32 dma_chan_en_mask;
46
47 /* DMA channel interrupt mask */
48 u32 dma_chan_int_mask;
49
50 /* DMA engine has internal SRAM */
51 bool dma_has_sram;
52
53 /* DMA channel register width */
54 unsigned int dma_chan_width;
55
56 /* DMA descriptor shift */
57 unsigned int dma_desc_shift;
58
59 /* dma channel ids */
60 int rx_chan;
61 int tx_chan;
62 };
63
64 /*
65 * on board ethernet switch platform data
66 */
67 #define ENETSW_MAX_PORT 8
68 #define ENETSW_PORTS_6328 5 /* 4 FE PHY + 1 RGMII */
69 #define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
70
71 #define ENETSW_RGMII_PORT0 4
72
73 struct bcm63xx_enetsw_port {
74 int used;
75 int phy_id;
76
77 int bypass_link;
78 int force_speed;
79 int force_duplex_full;
80
81 const char *name;
82 };
83
84 struct bcm63xx_enetsw_platform_data {
85 char mac_addr[ETH_ALEN];
86 int num_ports;
87 struct bcm63xx_enetsw_port used_ports[ENETSW_MAX_PORT];
88
89 /* DMA channel enable mask */
90 u32 dma_chan_en_mask;
91
92 /* DMA channel interrupt mask */
93 u32 dma_chan_int_mask;
94
95 /* DMA channel register width */
96 unsigned int dma_chan_width;
97
98 /* DMA engine has internal SRAM */
99 bool dma_has_sram;
100 };
101
102 int __init bcm63xx_enet_register(int unit,
103 const struct bcm63xx_enet_platform_data *pd);
104
105 int bcm63xx_enetsw_register(const struct bcm63xx_enetsw_platform_data *pd);
106
107 enum bcm63xx_regs_enetdmac {
108 ENETDMAC_CHANCFG,
109 ENETDMAC_IR,
110 ENETDMAC_IRMASK,
111 ENETDMAC_MAXBURST,
112 ENETDMAC_BUFALLOC,
113 ENETDMAC_RSTART,
114 ENETDMAC_FC,
115 ENETDMAC_LEN,
116 };
117
118 static inline unsigned long bcm63xx_enetdmacreg(enum bcm63xx_regs_enetdmac reg)
119 {
120 extern const unsigned long *bcm63xx_regs_enetdmac;
121
122 return bcm63xx_regs_enetdmac[reg];
123 }
124
125
126 #endif /* ! BCM63XX_DEV_ENET_H_ */
127
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