xref: /openbmc/linux/drivers/net/usb/sr9700.h (revision f7777dcc)
1 /*
2  * CoreChip-sz SR9700 one chip USB 1.1 Ethernet Devices
3  *
4  * Author : Liu Junliang <liujunliang_ljl@163.com>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  */
10 
11 #ifndef _SR9700_H
12 #define	_SR9700_H
13 
14 /* sr9700 spec. register table on Linux platform */
15 
16 /* Network Control Reg */
17 #define	NCR			0x00
18 #define		NCR_RST			(1 << 0)
19 #define		NCR_LBK			(3 << 1)
20 #define		NCR_FDX			(1 << 3)
21 #define		NCR_WAKEEN		(1 << 6)
22 /* Network Status Reg */
23 #define	NSR			0x01
24 #define		NSR_RXRDY		(1 << 0)
25 #define		NSR_RXOV		(1 << 1)
26 #define		NSR_TX1END		(1 << 2)
27 #define		NSR_TX2END		(1 << 3)
28 #define		NSR_TXFULL		(1 << 4)
29 #define		NSR_WAKEST		(1 << 5)
30 #define		NSR_LINKST		(1 << 6)
31 #define		NSR_SPEED		(1 << 7)
32 /* Tx Control Reg */
33 #define	TCR			0x02
34 #define		TCR_CRC_DIS		(1 << 1)
35 #define		TCR_PAD_DIS		(1 << 2)
36 #define		TCR_LC_CARE		(1 << 3)
37 #define		TCR_CRS_CARE	(1 << 4)
38 #define		TCR_EXCECM		(1 << 5)
39 #define		TCR_LF_EN		(1 << 6)
40 /* Tx Status Reg for Packet Index 1 */
41 #define	TSR1		0x03
42 #define		TSR1_EC			(1 << 2)
43 #define		TSR1_COL		(1 << 3)
44 #define		TSR1_LC			(1 << 4)
45 #define		TSR1_NC			(1 << 5)
46 #define		TSR1_LOC		(1 << 6)
47 #define		TSR1_TLF		(1 << 7)
48 /* Tx Status Reg for Packet Index 2 */
49 #define	TSR2		0x04
50 #define		TSR2_EC			(1 << 2)
51 #define		TSR2_COL		(1 << 3)
52 #define		TSR2_LC			(1 << 4)
53 #define		TSR2_NC			(1 << 5)
54 #define		TSR2_LOC		(1 << 6)
55 #define		TSR2_TLF		(1 << 7)
56 /* Rx Control Reg*/
57 #define	RCR			0x05
58 #define		RCR_RXEN		(1 << 0)
59 #define		RCR_PRMSC		(1 << 1)
60 #define		RCR_RUNT		(1 << 2)
61 #define		RCR_ALL			(1 << 3)
62 #define		RCR_DIS_CRC		(1 << 4)
63 #define		RCR_DIS_LONG	(1 << 5)
64 /* Rx Status Reg */
65 #define	RSR			0x06
66 #define		RSR_AE			(1 << 2)
67 #define		RSR_MF			(1 << 6)
68 #define		RSR_RF			(1 << 7)
69 /* Rx Overflow Counter Reg */
70 #define	ROCR		0x07
71 #define		ROCR_ROC		(0x7F << 0)
72 #define		ROCR_RXFU		(1 << 7)
73 /* Back Pressure Threshold Reg */
74 #define	BPTR		0x08
75 #define		BPTR_JPT		(0x0F << 0)
76 #define		BPTR_BPHW		(0x0F << 4)
77 /* Flow Control Threshold Reg */
78 #define	FCTR		0x09
79 #define		FCTR_LWOT		(0x0F << 0)
80 #define		FCTR_HWOT		(0x0F << 4)
81 /* rx/tx Flow Control Reg */
82 #define	FCR			0x0A
83 #define		FCR_FLCE		(1 << 0)
84 #define		FCR_BKPA		(1 << 4)
85 #define		FCR_TXPEN		(1 << 5)
86 #define		FCR_TXPF		(1 << 6)
87 #define		FCR_TXP0		(1 << 7)
88 /* Eeprom & Phy Control Reg */
89 #define	EPCR		0x0B
90 #define		EPCR_ERRE		(1 << 0)
91 #define		EPCR_ERPRW		(1 << 1)
92 #define		EPCR_ERPRR		(1 << 2)
93 #define		EPCR_EPOS		(1 << 3)
94 #define		EPCR_WEP		(1 << 4)
95 /* Eeprom & Phy Address Reg */
96 #define	EPAR		0x0C
97 #define		EPAR_EROA		(0x3F << 0)
98 #define		EPAR_PHY_ADR_MASK	(0x03 << 6)
99 #define		EPAR_PHY_ADR		(0x01 << 6)
100 /* Eeprom &	Phy Data Reg */
101 #define	EPDR		0x0D	/* 0x0D ~ 0x0E for Data Reg Low & High */
102 /* Wakeup Control Reg */
103 #define	WCR			0x0F
104 #define		WCR_MAGICST		(1 << 0)
105 #define		WCR_LINKST		(1 << 2)
106 #define		WCR_MAGICEN		(1 << 3)
107 #define		WCR_LINKEN		(1 << 5)
108 /* Physical Address Reg */
109 #define	PAR			0x10	/* 0x10 ~ 0x15 6 bytes for PAR */
110 /* Multicast Address Reg */
111 #define	MAR			0x16	/* 0x16 ~ 0x1D 8 bytes for MAR */
112 /* 0x1e unused */
113 /* Phy Reset Reg */
114 #define	PRR			0x1F
115 #define		PRR_PHY_RST		(1 << 0)
116 /* Tx sdram Write Pointer Address Low */
117 #define	TWPAL		0x20
118 /* Tx sdram Write Pointer Address High */
119 #define	TWPAH		0x21
120 /* Tx sdram Read Pointer Address Low */
121 #define	TRPAL		0x22
122 /* Tx sdram Read Pointer Address High */
123 #define	TRPAH		0x23
124 /* Rx sdram Write Pointer Address Low */
125 #define	RWPAL		0x24
126 /* Rx sdram Write Pointer Address High */
127 #define	RWPAH		0x25
128 /* Rx sdram Read Pointer Address Low */
129 #define	RRPAL		0x26
130 /* Rx sdram Read Pointer Address High */
131 #define	RRPAH		0x27
132 /* Vendor ID register */
133 #define	VID			0x28	/* 0x28 ~ 0x29 2 bytes for VID */
134 /* Product ID register */
135 #define	PID			0x2A	/* 0x2A ~ 0x2B 2 bytes for PID */
136 /* CHIP Revision register */
137 #define	CHIPR		0x2C
138 /* 0x2D --> 0xEF unused */
139 /* USB Device Address */
140 #define	USBDA		0xF0
141 #define		USBDA_USBFA		(0x7F << 0)
142 /* RX packet Counter Reg */
143 #define	RXC			0xF1
144 /* Tx packet Counter & USB Status Reg */
145 #define	TXC_USBS	0xF2
146 #define		TXC_USBS_TXC0		(1 << 0)
147 #define		TXC_USBS_TXC1		(1 << 1)
148 #define		TXC_USBS_TXC2		(1 << 2)
149 #define		TXC_USBS_EP1RDY		(1 << 5)
150 #define		TXC_USBS_SUSFLAG	(1 << 6)
151 #define		TXC_USBS_RXFAULT	(1 << 7)
152 /* USB Control register */
153 #define	USBC		0xF4
154 #define		USBC_EP3NAK		(1 << 4)
155 #define		USBC_EP3ACK		(1 << 5)
156 
157 /* Register access commands and flags */
158 #define	SR_RD_REGS		0x00
159 #define	SR_WR_REGS		0x01
160 #define	SR_WR_REG		0x03
161 #define	SR_REQ_RD_REG	(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
162 #define	SR_REQ_WR_REG	(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
163 
164 /* parameters */
165 #define	SR_SHARE_TIMEOUT	1000
166 #define	SR_EEPROM_LEN		256
167 #define	SR_MCAST_SIZE		8
168 #define	SR_MCAST_ADDR_FLAG	0x80
169 #define	SR_MCAST_MAX		64
170 #define	SR_TX_OVERHEAD		2	/* 2bytes header */
171 #define	SR_RX_OVERHEAD		7	/* 3bytes header + 4crc tail */
172 
173 #endif	/* _SR9700_H */
174