xref: /openbmc/u-boot/drivers/net/fm/fm.h (revision 425faf74)
1 /*
2  * Copyright 2009-2011 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef __FM_H__
8 #define __FM_H__
9 
10 #include <common.h>
11 #include <fm_eth.h>
12 #include <asm/fsl_enet.h>
13 #include <asm/fsl_fman.h>
14 
15 /* Port ID */
16 #define OH_PORT_ID_BASE		0x01
17 #define MAX_NUM_OH_PORT		7
18 #define RX_PORT_1G_BASE		0x08
19 #define MAX_NUM_RX_PORT_1G	CONFIG_SYS_NUM_FM1_DTSEC
20 #define RX_PORT_10G_BASE	0x10
21 #define TX_PORT_1G_BASE		0x28
22 #define MAX_NUM_TX_PORT_1G	CONFIG_SYS_NUM_FM1_DTSEC
23 #define TX_PORT_10G_BASE	0x30
24 
25 struct fm_muram {
26 	u32 base;
27 	u32 top;
28 	u32 size;
29 	u32 alloc;
30 };
31 #define FM_MURAM_RES_SIZE	0x01000
32 
33 /* Rx/Tx buffer descriptor */
34 struct fm_port_bd {
35 	u16 status;
36 	u16 len;
37 	u32 res0;
38 	u16 res1;
39 	u16 buf_ptr_hi;
40 	u32 buf_ptr_lo;
41 };
42 
43 /* Common BD flags */
44 #define BD_LAST			0x0800
45 
46 /* Rx BD status flags */
47 #define RxBD_EMPTY		0x8000
48 #define RxBD_LAST		BD_LAST
49 #define RxBD_FIRST		0x0400
50 #define RxBD_PHYS_ERR		0x0008
51 #define RxBD_SIZE_ERR		0x0004
52 #define RxBD_ERROR		(RxBD_PHYS_ERR | RxBD_SIZE_ERR)
53 
54 /* Tx BD status flags */
55 #define TxBD_READY		0x8000
56 #define TxBD_LAST		BD_LAST
57 
58 /* Rx/Tx queue descriptor */
59 struct fm_port_qd {
60 	u16 gen;
61 	u16 bd_ring_base_hi;
62 	u32 bd_ring_base_lo;
63 	u16 bd_ring_size;
64 	u16 offset_in;
65 	u16 offset_out;
66 	u16 res0;
67 	u32 res1[0x4];
68 };
69 
70 /* IM global parameter RAM */
71 struct fm_port_global_pram {
72 	u32 mode;	/* independent mode register */
73 	u32 rxqd_ptr;	/* Rx queue descriptor pointer */
74 	u32 txqd_ptr;	/* Tx queue descriptor pointer */
75 	u16 mrblr;	/* max Rx buffer length */
76 	u16 rxqd_bsy_cnt;	/* RxQD busy counter, should be cleared */
77 	u32 res0[0x4];
78 	struct fm_port_qd rxqd;	/* Rx queue descriptor */
79 	struct fm_port_qd txqd;	/* Tx queue descriptor */
80 	u32 res1[0x28];
81 };
82 
83 #define FM_PRAM_SIZE		sizeof(struct fm_port_global_pram)
84 #define FM_PRAM_ALIGN		256
85 #define PRAM_MODE_GLOBAL	0x20000000
86 #define PRAM_MODE_GRACEFUL_STOP	0x00800000
87 
88 #if defined(CONFIG_P1017) || defined(CONFIG_P1023)
89 #define FM_FREE_POOL_SIZE	0x2000 /* 8K bytes */
90 #else
91 #define FM_FREE_POOL_SIZE	0x20000 /* 128K bytes */
92 #endif
93 #define FM_FREE_POOL_ALIGN	256
94 
95 u32 fm_muram_alloc(int fm_idx, u32 size, u32 align);
96 u32 fm_muram_base(int fm_idx);
97 int fm_init_common(int index, struct ccsr_fman *reg);
98 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info);
99 phy_interface_t fman_port_enet_if(enum fm_port port);
100 void fman_disable_port(enum fm_port port);
101 
102 struct fsl_enet_mac {
103 	void *base; /* MAC controller registers base address */
104 	void *phyregs;
105 	int max_rx_len;
106 	void (*init_mac)(struct fsl_enet_mac *mac);
107 	void (*enable_mac)(struct fsl_enet_mac *mac);
108 	void (*disable_mac)(struct fsl_enet_mac *mac);
109 	void (*set_mac_addr)(struct fsl_enet_mac *mac, u8 *mac_addr);
110 	void (*set_if_mode)(struct fsl_enet_mac *mac, phy_interface_t type,
111 				int speed);
112 };
113 
114 /* Fman ethernet private struct */
115 struct fm_eth {
116 	int fm_index;			/* Fman index */
117 	u32 num;			/* 0..n-1 for give type */
118 	struct fm_bmi_tx_port *tx_port;
119 	struct fm_bmi_rx_port *rx_port;
120 	enum fm_eth_type type;		/* 1G or 10G ethernet */
121 	phy_interface_t enet_if;
122 	struct fsl_enet_mac *mac;	/* MAC controller */
123 	struct mii_dev *bus;
124 	struct phy_device *phydev;
125 	int phyaddr;
126 	struct eth_device *dev;
127 	int max_rx_len;
128 	struct fm_port_global_pram *rx_pram; /* Rx parameter table */
129 	struct fm_port_global_pram *tx_pram; /* Tx parameter table */
130 	void *rx_bd_ring;		/* Rx BD ring base */
131 	void *cur_rxbd;			/* current Rx BD */
132 	void *rx_buf;			/* Rx buffer base */
133 	void *tx_bd_ring;		/* Tx BD ring base */
134 	void *cur_txbd;			/* current Tx BD */
135 };
136 
137 #define RX_BD_RING_SIZE		8
138 #define TX_BD_RING_SIZE		8
139 #define MAX_RXBUF_LOG2		11
140 #define MAX_RXBUF_LEN		(1 << MAX_RXBUF_LOG2)
141 
142 #define PORT_IS_ENABLED(port)	fm_info[fm_port_to_index(port)].enabled
143 
144 #endif /* __FM_H__ */
145