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