ax88796.h
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/*
* AX88796L(NE2000) support
*
* (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DRIVERS_AX88796L_H__
#define __DRIVERS_AX88796L_H__
#define DP_DATA (0x10 << 1)
#define START_PG 0x40 /* First page of TX buffer */
#define START_PG2 0x48
#define STOP_PG 0x80 /* Last page +1 of RX ring */
#define TX_PAGES 12
#define RX_START (START_PG+TX_PAGES)
#define RX_END STOP_PG
#define AX88796L_BASE_ADDRESS CONFIG_DRIVER_NE2000_BASE
#define AX88796L_BYTE_ACCESS 0x00001000
#define AX88796L_OFFSET 0x00000400
#define AX88796L_ADDRESS_BYTE AX88796L_BASE_ADDRESS + \
AX88796L_BYTE_ACCESS + AX88796L_OFFSET
#define AX88796L_REG_MEMR AX88796L_ADDRESS_BYTE + (0x14<<1)
#define AX88796L_REG_CR AX88796L_ADDRESS_BYTE + (0x00<<1)
#define AX88796L_CR (*(vu_short *)(AX88796L_REG_CR))
#define AX88796L_MEMR (*(vu_short *)(AX88796L_REG_MEMR))
#define EECS_HIGH (AX88796L_MEMR |= 0x10)
#define EECS_LOW (AX88796L_MEMR &= 0xef)
#define EECLK_HIGH (AX88796L_MEMR |= 0x80)
#define EECLK_LOW (AX88796L_MEMR &= 0x7f)
#define EEDI_HIGH (AX88796L_MEMR |= 0x20)
#define EEDI_LOW (AX88796L_MEMR &= 0xdf)
#define EEDO ((AX88796L_MEMR & 0x40)>>6)
#define PAGE0_SET (AX88796L_CR &= 0x3f)
#define PAGE1_SET (AX88796L_CR = (AX88796L_CR & 0x3f) | 0x40)
#define BIT_DUMMY 0
#define MAC_EEP_READ 1
#define MAC_EEP_WRITE 2
#define MAC_EEP_ERACE 3
#define MAC_EEP_EWEN 4
#define MAC_EEP_EWDS 5
/* R7780MP Specific code */
#if defined(CONFIG_R7780MP)
#define ISA_OFFSET 0x1400
#define DP_IN(_b_, _o_, _d_) (_d_) = \
*( (vu_short *) ((_b_) + ((_o_) * 2) + ISA_OFFSET))
#define DP_OUT(_b_, _o_, _d_) \
*((vu_short *)((_b_) + ((_o_) * 2) + ISA_OFFSET)) = (_d_)
#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_) + ISA_OFFSET))
#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
#else
/* Please change for your target boards */
#define ISA_OFFSET 0x0000
#define DP_IN(_b_, _o_, _d_) (_d_) = *( (vu_short *)((_b_)+(_o_ )+ISA_OFFSET))
#define DP_OUT(_b_, _o_, _d_) *((vu_short *)((_b_)+(_o_)+ISA_OFFSET)) = (_d_)
#define DP_IN_DATA(_b_, _d_) (_d_) = *( (vu_short *) ((_b_)+ISA_OFFSET))
#define DP_OUT_DATA(_b_, _d_) *( (vu_short *) ((_b_)+ISA_OFFSET)) = (_d_)
#endif
#endif /* __DRIVERS_AX88796L_H__ */