1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * AX88796L(NE2000) support 4 * 5 * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> 6 */ 7 8 #ifndef __DRIVERS_AX88796L_H__ 9 #define __DRIVERS_AX88796L_H__ 10 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 */ 15 #define TX_PAGES 12 16 #define RX_START (START_PG+TX_PAGES) 17 #define RX_END STOP_PG 18 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) 26 27 #define AX88796L_CR (*(vu_short *)(AX88796L_REG_CR)) 28 #define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR)) 29 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) 37 38 #define PAGE0_SET (AX88796L_CR &= 0x3f) 39 #define PAGE1_SET (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40) 40 41 #define BIT_DUMMY 0 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 47 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_) 57 #else 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_) 64 #endif 65 66 #endif /* __DRIVERS_AX88796L_H__ */ 67