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