1/**************************************************************************
2ETHERBOOT -  BOOTP/TFTP Bootstrap Program
3
4Author: Martin Renters
5  Date: Jun/94
6
7**************************************************************************/
8
9FILE_LICENCE ( BSD2 );
10
11#define VENDOR_NONE	0
12#define VENDOR_WD	1
13#define VENDOR_NOVELL	2
14#define VENDOR_3COM	3
15
16#define FLAG_PIO	0x01
17#define FLAG_16BIT	0x02
18#define FLAG_790	0x04
19
20#define MEM_8192	32
21#define MEM_16384	64
22#define MEM_32768	128
23
24#define	ISA_MAX_ADDR	0x400
25
26/**************************************************************************
27Western Digital/SMC Board Definitions
28**************************************************************************/
29#define WD_LOW_BASE	0x200
30#define WD_HIGH_BASE	0x3e0
31#ifndef	WD_DEFAULT_MEM
32#define WD_DEFAULT_MEM	0xD0000
33#endif
34#define WD_NIC_ADDR	0x10
35
36/**************************************************************************
37Western Digital/SMC ASIC Addresses
38**************************************************************************/
39#define WD_MSR		0x00
40#define WD_ICR		0x01
41#define WD_IAR		0x02
42#define WD_BIO		0x03
43#define WD_IRR		0x04
44#define WD_LAAR		0x05
45#define WD_IJR		0x06
46#define WD_GP2		0x07
47#define WD_LAR		0x08
48#define WD_BID		0x0E
49
50#define WD_ICR_16BIT	0x01
51
52#define WD_MSR_MENB	0x40
53
54#define WD_LAAR_L16EN	0x40
55#define WD_LAAR_M16EN	0x80
56
57#define WD_SOFTCONFIG	0x20
58
59/**************************************************************************
60Western Digital/SMC Board Types
61**************************************************************************/
62#define TYPE_WD8003S	0x02
63#define TYPE_WD8003E	0x03
64#define TYPE_WD8013EBT	0x05
65#define TYPE_WD8003W	0x24
66#define TYPE_WD8003EB	0x25
67#define TYPE_WD8013W	0x26
68#define TYPE_WD8013EP	0x27
69#define TYPE_WD8013WC	0x28
70#define TYPE_WD8013EPC	0x29
71#define TYPE_SMC8216T	0x2a
72#define TYPE_SMC8216C	0x2b
73#define TYPE_SMC8416T	0x00	/* Bogus entries: the 8416 generates the */
74#define TYPE_SMC8416C	0x00	/* the same codes as the 8216. */
75#define TYPE_SMC8013EBP	0x2c
76
77/**************************************************************************
783com 3c503 definitions
79**************************************************************************/
80
81#ifndef	_3COM_BASE
82#define _3COM_BASE 0x300
83#endif
84
85#define _3COM_TX_PAGE_OFFSET_8BIT     0x20
86#define _3COM_TX_PAGE_OFFSET_16BIT    0x0
87#define _3COM_RX_PAGE_OFFSET_16BIT    0x20
88
89#define _3COM_ASIC_OFFSET 0x400
90#define _3COM_NIC_OFFSET 0x0
91
92#define _3COM_PSTR            0
93#define _3COM_PSPR            1
94
95#define _3COM_BCFR            3
96#define _3COM_BCFR_2E0        0x01
97#define _3COM_BCFR_2A0        0x02
98#define _3COM_BCFR_280        0x04
99#define _3COM_BCFR_250        0x08
100#define _3COM_BCFR_350        0x10
101#define _3COM_BCFR_330        0x20
102#define _3COM_BCFR_310        0x40
103#define _3COM_BCFR_300        0x80
104#define _3COM_PCFR            4
105#define _3COM_PCFR_PIO        0
106#define _3COM_PCFR_C8000      0x10
107#define _3COM_PCFR_CC000      0x20
108#define _3COM_PCFR_D8000      0x40
109#define _3COM_PCFR_DC000      0x80
110#define _3COM_CR              6
111#define _3COM_CR_RST          0x01    /* Reset GA and NIC */
112#define _3COM_CR_XSEL         0x02    /* Transceiver select. BNC=1(def) AUI=0 */
113#define _3COM_CR_EALO         0x04    /* window EA PROM 0-15 to I/O base */
114#define _3COM_CR_EAHI         0x08    /* window EA PROM 16-31 to I/O base */
115#define _3COM_CR_SHARE        0x10    /* select interrupt sharing option */
116#define _3COM_CR_DBSEL        0x20    /* Double buffer select */
117#define _3COM_CR_DDIR         0x40    /* DMA direction select */
118#define _3COM_CR_START        0x80    /* Start DMA controller */
119#define _3COM_GACFR           5
120#define _3COM_GACFR_MBS0      0x01
121#define _3COM_GACFR_MBS1      0x02
122#define _3COM_GACFR_MBS2      0x04
123#define _3COM_GACFR_RSEL      0x08    /* enable shared memory */
124#define _3COM_GACFR_TEST      0x10    /* for GA testing */
125#define _3COM_GACFR_OWS       0x20    /* select 0WS access to GA */
126#define _3COM_GACFR_TCM       0x40    /* Mask DMA interrupts */
127#define _3COM_GACFR_NIM       0x80    /* Mask NIC interrupts */
128#define _3COM_STREG           7
129#define _3COM_STREG_REV       0x07    /* GA revision */
130#define _3COM_STREG_DIP       0x08    /* DMA in progress */
131#define _3COM_STREG_DTC       0x10    /* DMA terminal count */
132#define _3COM_STREG_OFLW      0x20    /* Overflow */
133#define _3COM_STREG_UFLW      0x40    /* Underflow */
134#define _3COM_STREG_DPRDY     0x80    /* Data port ready */
135#define _3COM_IDCFR           8
136#define _3COM_IDCFR_DRQ0      0x01    /* DMA request 1 select */
137#define _3COM_IDCFR_DRQ1      0x02    /* DMA request 2 select */
138#define _3COM_IDCFR_DRQ2      0x04    /* DMA request 3 select */
139#define _3COM_IDCFR_UNUSED    0x08    /* not used */
140#define _3COM_IDCFR_IRQ2      0x10    /* Interrupt request 2 select */
141#define _3COM_IDCFR_IRQ3      0x20    /* Interrupt request 3 select */
142#define _3COM_IDCFR_IRQ4      0x40    /* Interrupt request 4 select */
143#define _3COM_IDCFR_IRQ5      0x80    /* Interrupt request 5 select */
144#define _3COM_IRQ2      2
145#define _3COM_IRQ3      3
146#define _3COM_IRQ4      4
147#define _3COM_IRQ5      5
148#define _3COM_DAMSB           9
149#define _3COM_DALSB           0x0a
150#define _3COM_VPTR2           0x0b
151#define _3COM_VPTR1           0x0c
152#define _3COM_VPTR0           0x0d
153#define _3COM_RFMSB           0x0e
154#define _3COM_RFLSB           0x0f
155
156/**************************************************************************
157NE1000/2000 definitions
158**************************************************************************/
159#define NE_ASIC_OFFSET	0x10
160#define NE_RESET	0x0F		/* Used to reset card */
161#define NE_DATA		0x00		/* Used to read/write NIC mem */
162
163#define COMPEX_RL2000_TRIES	200
164
165/**************************************************************************
1668390 Register Definitions
167**************************************************************************/
168#define D8390_P0_COMMAND	0x00
169#define D8390_P0_PSTART		0x01
170#define D8390_P0_PSTOP		0x02
171#define D8390_P0_BOUND		0x03
172#define D8390_P0_TSR		0x04
173#define	D8390_P0_TPSR		0x04
174#define D8390_P0_TBCR0		0x05
175#define D8390_P0_TBCR1		0x06
176#define D8390_P0_ISR		0x07
177#define D8390_P0_RSAR0		0x08
178#define D8390_P0_RSAR1		0x09
179#define D8390_P0_RBCR0		0x0A
180#define D8390_P0_RBCR1		0x0B
181#define D8390_P0_RSR		0x0C
182#define D8390_P0_RCR		0x0C
183#define D8390_P0_TCR		0x0D
184#define D8390_P0_DCR		0x0E
185#define D8390_P0_IMR		0x0F
186#define D8390_P1_COMMAND	0x00
187#define D8390_P1_PAR0		0x01
188#define D8390_P1_PAR1		0x02
189#define D8390_P1_PAR2		0x03
190#define D8390_P1_PAR3		0x04
191#define D8390_P1_PAR4		0x05
192#define D8390_P1_PAR5		0x06
193#define D8390_P1_CURR		0x07
194#define D8390_P1_MAR0		0x08
195
196#define D8390_COMMAND_PS0	0x0		/* Page 0 select */
197#define D8390_COMMAND_PS1	0x40		/* Page 1 select */
198#define D8390_COMMAND_PS2	0x80		/* Page 2 select */
199#define	D8390_COMMAND_RD2	0x20		/* Remote DMA control */
200#define D8390_COMMAND_RD1	0x10
201#define D8390_COMMAND_RD0	0x08
202#define D8390_COMMAND_TXP	0x04		/* transmit packet */
203#define D8390_COMMAND_STA	0x02		/* start */
204#define D8390_COMMAND_STP	0x01		/* stop */
205
206#define D8390_RCR_MON		0x20		/* monitor mode */
207
208#define D8390_DCR_FT1		0x40
209#define D8390_DCR_LS		0x08		/* Loopback select */
210#define D8390_DCR_WTS		0x01		/* Word transfer select */
211
212#define D8390_ISR_PRX		0x01		/* successful recv */
213#define D8390_ISR_PTX		0x02		/* successful xmit */
214#define D8390_ISR_RXE		0x04		/* receive error */
215#define D8390_ISR_TXE		0x08		/* transmit error */
216#define D8390_ISR_OVW		0x10		/* Overflow */
217#define D8390_ISR_CNT		0x20		/* Counter overflow */
218#define D8390_ISR_RDC		0x40		/* Remote DMA complete */
219#define D8390_ISR_RST		0x80		/* reset */
220
221#define D8390_RSTAT_PRX		0x01		/* successful recv */
222#define D8390_RSTAT_CRC		0x02		/* CRC error */
223#define D8390_RSTAT_FAE		0x04		/* Frame alignment error */
224#define D8390_RSTAT_OVER	0x08		/* FIFO overrun */
225
226#define D8390_TXBUF_SIZE	6
227#define D8390_RXBUF_END		32
228#define D8390_PAGE_SIZE         256
229
230struct ringbuffer {
231	unsigned char status;
232	unsigned char next;
233	unsigned short len;
234};
235/*
236 * Local variables:
237 *  c-basic-offset: 8
238 * End:
239 */
240
241