xref: /openbmc/u-boot/drivers/net/ax88796.h (revision 2bae75a4)
1 /*
2  * AX88796L(NE2000) support
3  *
4  * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #ifndef __DRIVERS_AX88796L_H__
10 #define __DRIVERS_AX88796L_H__
11 
12 #define DP_DATA		(0x10 << 1)
13 #define START_PG	0x40	/* First page of TX buffer */
14 #define START_PG2	0x48
15 #define STOP_PG		0x80	/* Last page +1 of RX ring */
16 #define TX_PAGES	12
17 #define RX_START	(START_PG+TX_PAGES)
18 #define RX_END		STOP_PG
19 
20 #define AX88796L_BASE_ADDRESS	CONFIG_DRIVER_NE2000_BASE
21 #define AX88796L_BYTE_ACCESS	0x00001000
22 #define AX88796L_OFFSET		0x00000400
23 #define AX88796L_ADDRESS_BYTE	AX88796L_BASE_ADDRESS + \
24 		AX88796L_BYTE_ACCESS + AX88796L_OFFSET
25 #define AX88796L_REG_MEMR	AX88796L_ADDRESS_BYTE + (0x14<<1)
26 #define AX88796L_REG_CR		AX88796L_ADDRESS_BYTE + (0x00<<1)
27 
28 #define AX88796L_CR		(*(vu_short *)(AX88796L_REG_CR))
29 #define AX88796L_MEMR		(*(vu_short *)(AX88796L_REG_MEMR))
30 
31 #define EECS_HIGH		(AX88796L_MEMR |= 0x10)
32 #define EECS_LOW		(AX88796L_MEMR &= 0xef)
33 #define EECLK_HIGH		(AX88796L_MEMR |= 0x80)
34 #define EECLK_LOW		(AX88796L_MEMR &= 0x7f)
35 #define EEDI_HIGH		(AX88796L_MEMR |= 0x20)
36 #define EEDI_LOW		(AX88796L_MEMR &= 0xdf)
37 #define EEDO			((AX88796L_MEMR & 0x40)>>6)
38 
39 #define PAGE0_SET		(AX88796L_CR &= 0x3f)
40 #define PAGE1_SET		(AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
41 
42 #define BIT_DUMMY	0
43 #define MAC_EEP_READ	1
44 #define MAC_EEP_WRITE	2
45 #define MAC_EEP_ERACE	3
46 #define MAC_EEP_EWEN	4
47 #define MAC_EEP_EWDS	5
48 
49 /* R7780MP Specific code */
50 #if defined(CONFIG_R7780MP)
51 #define ISA_OFFSET	0x1400
52 #define DP_IN(_b_, _o_, _d_)	(_d_) = \
53 	*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
54 #define DP_OUT(_b_, _o_, _d_) \
55 	*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
56 #define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
57 #define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
58 #else
59 /* Please change for your target boards */
60 #define ISA_OFFSET	0x0000
61 #define DP_IN(_b_, _o_, _d_)	(_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
62 #define DP_OUT(_b_, _o_, _d_)	*((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
63 #define DP_IN_DATA(_b_, _d_)	(_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
64 #define DP_OUT_DATA(_b_, _d_)	*( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
65 #endif
66 
67 #endif /* __DRIVERS_AX88796L_H__ */
68