xref: /openbmc/u-boot/drivers/net/ax88796.h (revision 15855700)
1 /*
2  * AX88796L(NE2000) support
3  *
4  * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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 as
8  * published by the Free Software Foundation; either version 2 of
9  * the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19  * MA 02111-1307 USA
20  *
21  */
22 
23 #ifndef __DRIVERS_AX88796L_H__
24 #define __DRIVERS_AX88796L_H__
25 
26 #define DP_DATA		(0x10 << 1)
27 #define START_PG	0x40	/* First page of TX buffer */
28 #define START_PG2	0x48
29 #define STOP_PG		0x80	/* Last page +1 of RX ring */
30 #define TX_PAGES	12
31 #define RX_START	(START_PG+TX_PAGES)
32 #define RX_END		STOP_PG
33 
34 #define AX88796L_BASE_ADDRESS	CONFIG_DRIVER_NE2000_BASE
35 #define AX88796L_BYTE_ACCESS	0x00001000
36 #define AX88796L_OFFSET		0x00000400
37 #define AX88796L_ADDRESS_BYTE	AX88796L_BASE_ADDRESS + \
38 		AX88796L_BYTE_ACCESS + AX88796L_OFFSET
39 #define AX88796L_REG_MEMR	AX88796L_ADDRESS_BYTE + (0x14<<1)
40 #define AX88796L_REG_CR		AX88796L_ADDRESS_BYTE + (0x00<<1)
41 
42 #define AX88796L_CR		(*(vu_short *)(AX88796L_REG_CR))
43 #define AX88796L_MEMR		(*(vu_short *)(AX88796L_REG_MEMR))
44 
45 #define EECS_HIGH		(AX88796L_MEMR |= 0x10)
46 #define EECS_LOW		(AX88796L_MEMR &= 0xef)
47 #define EECLK_HIGH		(AX88796L_MEMR |= 0x80)
48 #define EECLK_LOW		(AX88796L_MEMR &= 0x7f)
49 #define EEDI_HIGH		(AX88796L_MEMR |= 0x20)
50 #define EEDI_LOW		(AX88796L_MEMR &= 0xdf)
51 #define EEDO			((AX88796L_MEMR & 0x40)>>6)
52 
53 #define PAGE0_SET		(AX88796L_CR &= 0x3f)
54 #define PAGE1_SET		(AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
55 
56 #define BIT_DUMMY	0
57 #define MAC_EEP_READ	1
58 #define MAC_EEP_WRITE	2
59 #define MAC_EEP_ERACE	3
60 #define MAC_EEP_EWEN	4
61 #define MAC_EEP_EWDS	5
62 
63 /* R7780MP Specific code */
64 #if defined(CONFIG_R7780MP)
65 #define ISA_OFFSET	0x1400
66 #define DP_IN(_b_, _o_, _d_)	(_d_) = \
67 	*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
68 #define DP_OUT(_b_, _o_, _d_) \
69 	*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
70 #define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
71 #define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
72 #else
73 /* Please change for your target boards */
74 #define ISA_OFFSET	0x0000
75 #define DP_IN(_b_, _o_, _d_)	(_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
76 #define DP_OUT(_b_, _o_, _d_)	*((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
77 #define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
78 #define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
79 #endif
80 
81 #endif /* __DRIVERS_AX88796L_H__ */
82