xref: /openbmc/u-boot/drivers/net/fm/fm.h (revision 68968901)
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 RX_PORT_10G_BASE2	0x08
22 #define TX_PORT_1G_BASE		0x28
23 #define MAX_NUM_TX_PORT_1G	CONFIG_SYS_NUM_FM1_DTSEC
24 #define TX_PORT_10G_BASE	0x30
25 #define TX_PORT_10G_BASE2	0x28
26 #define MIIM_TIMEOUT    0xFFFF
27 
28 struct fm_muram {
29 	u32 base;
30 	u32 top;
31 	u32 size;
32 	u32 alloc;
33 };
34 #define FM_MURAM_RES_SIZE	0x01000
35 
36 /* Rx/Tx buffer descriptor */
37 struct fm_port_bd {
38 	u16 status;
39 	u16 len;
40 	u32 res0;
41 	u16 res1;
42 	u16 buf_ptr_hi;
43 	u32 buf_ptr_lo;
44 };
45 
46 /* Common BD flags */
47 #define BD_LAST			0x0800
48 
49 /* Rx BD status flags */
50 #define RxBD_EMPTY		0x8000
51 #define RxBD_LAST		BD_LAST
52 #define RxBD_FIRST		0x0400
53 #define RxBD_PHYS_ERR		0x0008
54 #define RxBD_SIZE_ERR		0x0004
55 #define RxBD_ERROR		(RxBD_PHYS_ERR | RxBD_SIZE_ERR)
56 
57 /* Tx BD status flags */
58 #define TxBD_READY		0x8000
59 #define TxBD_LAST		BD_LAST
60 
61 /* Rx/Tx queue descriptor */
62 struct fm_port_qd {
63 	u16 gen;
64 	u16 bd_ring_base_hi;
65 	u32 bd_ring_base_lo;
66 	u16 bd_ring_size;
67 	u16 offset_in;
68 	u16 offset_out;
69 	u16 res0;
70 	u32 res1[0x4];
71 };
72 
73 /* IM global parameter RAM */
74 struct fm_port_global_pram {
75 	u32 mode;	/* independent mode register */
76 	u32 rxqd_ptr;	/* Rx queue descriptor pointer */
77 	u32 txqd_ptr;	/* Tx queue descriptor pointer */
78 	u16 mrblr;	/* max Rx buffer length */
79 	u16 rxqd_bsy_cnt;	/* RxQD busy counter, should be cleared */
80 	u32 res0[0x4];
81 	struct fm_port_qd rxqd;	/* Rx queue descriptor */
82 	struct fm_port_qd txqd;	/* Tx queue descriptor */
83 	u32 res1[0x28];
84 };
85 
86 #define FM_PRAM_SIZE		sizeof(struct fm_port_global_pram)
87 #define FM_PRAM_ALIGN		256
88 #define PRAM_MODE_GLOBAL	0x20000000
89 #define PRAM_MODE_GRACEFUL_STOP	0x00800000
90 
91 #if defined(CONFIG_P1017) || defined(CONFIG_P1023)
92 #define FM_FREE_POOL_SIZE	0x2000 /* 8K bytes */
93 #else
94 #define FM_FREE_POOL_SIZE	0x20000 /* 128K bytes */
95 #endif
96 #define FM_FREE_POOL_ALIGN	256
97 
98 u32 fm_muram_alloc(int fm_idx, u32 size, u32 align);
99 u32 fm_muram_base(int fm_idx);
100 int fm_init_common(int index, struct ccsr_fman *reg);
101 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info);
102 phy_interface_t fman_port_enet_if(enum fm_port port);
103 void fman_disable_port(enum fm_port port);
104 void fman_enable_port(enum fm_port port);
105 
106 struct fsl_enet_mac {
107 	void *base; /* MAC controller registers base address */
108 	void *phyregs;
109 	int max_rx_len;
110 	void (*init_mac)(struct fsl_enet_mac *mac);
111 	void (*enable_mac)(struct fsl_enet_mac *mac);
112 	void (*disable_mac)(struct fsl_enet_mac *mac);
113 	void (*set_mac_addr)(struct fsl_enet_mac *mac, u8 *mac_addr);
114 	void (*set_if_mode)(struct fsl_enet_mac *mac, phy_interface_t type,
115 				int speed);
116 };
117 
118 /* Fman ethernet private struct */
119 struct fm_eth {
120 	int fm_index;			/* Fman index */
121 	u32 num;			/* 0..n-1 for give type */
122 	struct fm_bmi_tx_port *tx_port;
123 	struct fm_bmi_rx_port *rx_port;
124 	enum fm_eth_type type;		/* 1G or 10G ethernet */
125 	phy_interface_t enet_if;
126 	struct fsl_enet_mac *mac;	/* MAC controller */
127 	struct mii_dev *bus;
128 	struct phy_device *phydev;
129 	int phyaddr;
130 	struct eth_device *dev;
131 	int max_rx_len;
132 	struct fm_port_global_pram *rx_pram; /* Rx parameter table */
133 	struct fm_port_global_pram *tx_pram; /* Tx parameter table */
134 	void *rx_bd_ring;		/* Rx BD ring base */
135 	void *cur_rxbd;			/* current Rx BD */
136 	void *rx_buf;			/* Rx buffer base */
137 	void *tx_bd_ring;		/* Tx BD ring base */
138 	void *cur_txbd;			/* current Tx BD */
139 };
140 
141 #define RX_BD_RING_SIZE		8
142 #define TX_BD_RING_SIZE		8
143 #define MAX_RXBUF_LOG2		11
144 #define MAX_RXBUF_LEN		(1 << MAX_RXBUF_LOG2)
145 
146 #define PORT_IS_ENABLED(port)	(fm_port_to_index(port) == -1 ? \
147 	0 : fm_info[fm_port_to_index(port)].enabled)
148 
149 #endif /* __FM_H__ */
150