xref: /openbmc/u-boot/drivers/net/fm/fm.h (revision d81b27a2)
1 /*
2  * Copyright 2009-2011 Freescale Semiconductor, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of
7  * the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
17  * MA 02111-1307 USA
18  */
19 
20 #ifndef __FM_H__
21 #define __FM_H__
22 
23 #include <common.h>
24 #include <fm_eth.h>
25 #include <asm/fsl_enet.h>
26 #include <asm/fsl_fman.h>
27 
28 /* Port ID */
29 #define OH_PORT_ID_BASE		0x01
30 #define MAX_NUM_OH_PORT		7
31 #define RX_PORT_1G_BASE		0x08
32 #define MAX_NUM_RX_PORT_1G	CONFIG_SYS_NUM_FM1_DTSEC
33 #define RX_PORT_10G_BASE	0x10
34 #define TX_PORT_1G_BASE		0x28
35 #define MAX_NUM_TX_PORT_1G	CONFIG_SYS_NUM_FM1_DTSEC
36 #define TX_PORT_10G_BASE	0x30
37 
38 struct fm_muram {
39 	u32 base;
40 	u32 top;
41 	u32 size;
42 	u32 alloc;
43 };
44 #define FM_MURAM_RES_SIZE	0x01000
45 
46 /* Rx/Tx buffer descriptor */
47 struct fm_port_bd {
48 	u16 status;
49 	u16 len;
50 	u32 res0;
51 	u16 res1;
52 	u16 buf_ptr_hi;
53 	u32 buf_ptr_lo;
54 };
55 
56 /* Common BD flags */
57 #define BD_LAST			0x0800
58 
59 /* Rx BD status flags */
60 #define RxBD_EMPTY		0x8000
61 #define RxBD_LAST		BD_LAST
62 #define RxBD_FIRST		0x0400
63 #define RxBD_PHYS_ERR		0x0008
64 #define RxBD_SIZE_ERR		0x0004
65 #define RxBD_ERROR		(RxBD_PHYS_ERR | RxBD_SIZE_ERR)
66 
67 /* Tx BD status flags */
68 #define TxBD_READY		0x8000
69 #define TxBD_LAST		BD_LAST
70 
71 /* Rx/Tx queue descriptor */
72 struct fm_port_qd {
73 	u16 gen;
74 	u16 bd_ring_base_hi;
75 	u32 bd_ring_base_lo;
76 	u16 bd_ring_size;
77 	u16 offset_in;
78 	u16 offset_out;
79 	u16 res0;
80 	u32 res1[0x4];
81 };
82 
83 /* IM global parameter RAM */
84 struct fm_port_global_pram {
85 	u32 mode;	/* independent mode register */
86 	u32 rxqd_ptr;	/* Rx queue descriptor pointer */
87 	u32 txqd_ptr;	/* Tx queue descriptor pointer */
88 	u16 mrblr;	/* max Rx buffer length */
89 	u16 rxqd_bsy_cnt;	/* RxQD busy counter, should be cleared */
90 	u32 res0[0x4];
91 	struct fm_port_qd rxqd;	/* Rx queue descriptor */
92 	struct fm_port_qd txqd;	/* Tx queue descriptor */
93 	u32 res1[0x28];
94 };
95 
96 #define FM_PRAM_SIZE		sizeof(struct fm_port_global_pram)
97 #define FM_PRAM_ALIGN		256
98 #define PRAM_MODE_GLOBAL	0x20000000
99 #define PRAM_MODE_GRACEFUL_STOP	0x00800000
100 
101 #if defined(CONFIG_P1017) || defined(CONFIG_P1023)
102 #define FM_FREE_POOL_SIZE	0x2000 /* 8K bytes */
103 #else
104 #define FM_FREE_POOL_SIZE	0x20000 /* 128K bytes */
105 #endif
106 #define FM_FREE_POOL_ALIGN	256
107 
108 u32 fm_muram_alloc(int fm_idx, u32 size, u32 align);
109 u32 fm_muram_base(int fm_idx);
110 int fm_init_common(int index, struct ccsr_fman *reg);
111 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info);
112 phy_interface_t fman_port_enet_if(enum fm_port port);
113 void fman_disable_port(enum fm_port port);
114 
115 struct fsl_enet_mac {
116 	void *base; /* MAC controller registers base address */
117 	void *phyregs;
118 	int max_rx_len;
119 	void (*init_mac)(struct fsl_enet_mac *mac);
120 	void (*enable_mac)(struct fsl_enet_mac *mac);
121 	void (*disable_mac)(struct fsl_enet_mac *mac);
122 	void (*set_mac_addr)(struct fsl_enet_mac *mac, u8 *mac_addr);
123 	void (*set_if_mode)(struct fsl_enet_mac *mac, phy_interface_t type,
124 				int speed);
125 };
126 
127 /* Fman ethernet private struct */
128 struct fm_eth {
129 	int fm_index;			/* Fman index */
130 	u32 num;			/* 0..n-1 for give type */
131 	struct fm_bmi_tx_port *tx_port;
132 	struct fm_bmi_rx_port *rx_port;
133 	enum fm_eth_type type;		/* 1G or 10G ethernet */
134 	phy_interface_t enet_if;
135 	struct fsl_enet_mac *mac;	/* MAC controller */
136 	struct mii_dev *bus;
137 	struct phy_device *phydev;
138 	int phyaddr;
139 	struct eth_device *dev;
140 	int max_rx_len;
141 	struct fm_port_global_pram *rx_pram; /* Rx parameter table */
142 	struct fm_port_global_pram *tx_pram; /* Tx parameter table */
143 	void *rx_bd_ring;		/* Rx BD ring base */
144 	void *cur_rxbd;			/* current Rx BD */
145 	void *rx_buf;			/* Rx buffer base */
146 	void *tx_bd_ring;		/* Tx BD ring base */
147 	void *cur_txbd;			/* current Tx BD */
148 };
149 
150 #define RX_BD_RING_SIZE		8
151 #define TX_BD_RING_SIZE		8
152 #define MAX_RXBUF_LOG2		11
153 #define MAX_RXBUF_LEN		(1 << MAX_RXBUF_LOG2)
154 
155 #endif /* __FM_H__ */
156