8d77c036b5
FTMAC100 Ethernet Media Access Controller supports 10/100 Mbps and MII. This driver has been working on some ARM/NDS32 SoC's including Faraday A320 and Andes AG101. Signed-off-by: Po-Yu Chuang <ratbert@faraday-tech.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
181 lines
5.8 KiB
C
181 lines
5.8 KiB
C
/*
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* Faraday FTMAC100 10/100 Ethernet
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*
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* (C) Copyright 2009-2011 Faraday Technology
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* Po-Yu Chuang <ratbert@faraday-tech.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __FTMAC100_H
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#define __FTMAC100_H
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#define FTMAC100_OFFSET_ISR 0x00
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#define FTMAC100_OFFSET_IMR 0x04
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#define FTMAC100_OFFSET_MAC_MADR 0x08
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#define FTMAC100_OFFSET_MAC_LADR 0x0c
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#define FTMAC100_OFFSET_MAHT0 0x10
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#define FTMAC100_OFFSET_MAHT1 0x14
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#define FTMAC100_OFFSET_TXPD 0x18
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#define FTMAC100_OFFSET_RXPD 0x1c
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#define FTMAC100_OFFSET_TXR_BADR 0x20
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#define FTMAC100_OFFSET_RXR_BADR 0x24
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#define FTMAC100_OFFSET_ITC 0x28
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#define FTMAC100_OFFSET_APTC 0x2c
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#define FTMAC100_OFFSET_DBLAC 0x30
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#define FTMAC100_OFFSET_MACCR 0x88
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#define FTMAC100_OFFSET_MACSR 0x8c
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#define FTMAC100_OFFSET_PHYCR 0x90
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#define FTMAC100_OFFSET_PHYWDATA 0x94
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#define FTMAC100_OFFSET_FCR 0x98
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#define FTMAC100_OFFSET_BPR 0x9c
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#define FTMAC100_OFFSET_TS 0xc4
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#define FTMAC100_OFFSET_DMAFIFOS 0xc8
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#define FTMAC100_OFFSET_TM 0xcc
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#define FTMAC100_OFFSET_TX_MCOL_SCOL 0xd4
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#define FTMAC100_OFFSET_RPF_AEP 0xd8
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#define FTMAC100_OFFSET_XM_PG 0xdc
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#define FTMAC100_OFFSET_RUNT_TLCC 0xe0
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#define FTMAC100_OFFSET_CRCER_FTL 0xe4
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#define FTMAC100_OFFSET_RLC_RCC 0xe8
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#define FTMAC100_OFFSET_BROC 0xec
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#define FTMAC100_OFFSET_MULCA 0xf0
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#define FTMAC100_OFFSET_RP 0xf4
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#define FTMAC100_OFFSET_XP 0xf8
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/*
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* Interrupt status register & interrupt mask register
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*/
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#define FTMAC100_INT_RPKT_FINISH (1 << 0)
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#define FTMAC100_INT_NORXBUF (1 << 1)
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#define FTMAC100_INT_XPKT_FINISH (1 << 2)
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#define FTMAC100_INT_NOTXBUF (1 << 3)
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#define FTMAC100_INT_XPKT_OK (1 << 4)
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#define FTMAC100_INT_XPKT_LOST (1 << 5)
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#define FTMAC100_INT_RPKT_SAV (1 << 6)
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#define FTMAC100_INT_RPKT_LOST (1 << 7)
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#define FTMAC100_INT_AHB_ERR (1 << 8)
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#define FTMAC100_INT_PHYSTS_CHG (1 << 9)
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/*
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* Interrupt timer control register
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*/
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#define FTMAC100_ITC_RXINT_CNT(x) (((x) & 0xf) << 0)
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#define FTMAC100_ITC_RXINT_THR(x) (((x) & 0x7) << 4)
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#define FTMAC100_ITC_RXINT_TIME_SEL (1 << 7)
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#define FTMAC100_ITC_TXINT_CNT(x) (((x) & 0xf) << 8)
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#define FTMAC100_ITC_TXINT_THR(x) (((x) & 0x7) << 12)
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#define FTMAC100_ITC_TXINT_TIME_SEL (1 << 15)
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/*
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* Automatic polling timer control register
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*/
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#define FTMAC100_APTC_RXPOLL_CNT(x) (((x) & 0xf) << 0)
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#define FTMAC100_APTC_RXPOLL_TIME_SEL (1 << 4)
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#define FTMAC100_APTC_TXPOLL_CNT(x) (((x) & 0xf) << 8)
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#define FTMAC100_APTC_TXPOLL_TIME_SEL (1 << 12)
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/*
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* DMA burst length and arbitration control register
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*/
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#define FTMAC100_DBLAC_INCR4_EN (1 << 0)
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#define FTMAC100_DBLAC_INCR8_EN (1 << 1)
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#define FTMAC100_DBLAC_INCR16_EN (1 << 2)
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#define FTMAC100_DBLAC_RXFIFO_LTHR(x) (((x) & 0x7) << 3)
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#define FTMAC100_DBLAC_RXFIFO_HTHR(x) (((x) & 0x7) << 6)
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#define FTMAC100_DBLAC_RX_THR_EN (1 << 9)
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/*
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* MAC control register
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*/
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#define FTMAC100_MACCR_XDMA_EN (1 << 0)
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#define FTMAC100_MACCR_RDMA_EN (1 << 1)
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#define FTMAC100_MACCR_SW_RST (1 << 2)
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#define FTMAC100_MACCR_LOOP_EN (1 << 3)
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#define FTMAC100_MACCR_CRC_DIS (1 << 4)
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#define FTMAC100_MACCR_XMT_EN (1 << 5)
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#define FTMAC100_MACCR_ENRX_IN_HALFTX (1 << 6)
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#define FTMAC100_MACCR_RCV_EN (1 << 8)
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#define FTMAC100_MACCR_HT_MULTI_EN (1 << 9)
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#define FTMAC100_MACCR_RX_RUNT (1 << 10)
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#define FTMAC100_MACCR_RX_FTL (1 << 11)
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#define FTMAC100_MACCR_RCV_ALL (1 << 12)
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#define FTMAC100_MACCR_CRC_APD (1 << 14)
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#define FTMAC100_MACCR_FULLDUP (1 << 15)
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#define FTMAC100_MACCR_RX_MULTIPKT (1 << 16)
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#define FTMAC100_MACCR_RX_BROADPKT (1 << 17)
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/*
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* PHY control register
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*/
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#define FTMAC100_PHYCR_MIIRDATA 0xffff
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#define FTMAC100_PHYCR_PHYAD(x) (((x) & 0x1f) << 16)
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#define FTMAC100_PHYCR_REGAD(x) (((x) & 0x1f) << 21)
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#define FTMAC100_PHYCR_MIIRD (1 << 26)
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#define FTMAC100_PHYCR_MIIWR (1 << 27)
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/*
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* PHY write data register
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*/
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#define FTMAC100_PHYWDATA_MIIWDATA(x) ((x) & 0xffff)
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/*
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* Transmit descriptor, aligned to 16 bytes
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*/
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struct ftmac100_txdes {
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unsigned int txdes0;
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unsigned int txdes1;
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unsigned int txdes2; /* TXBUF_BADR */
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unsigned int txdes3; /* not used by HW */
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} __attribute__ ((aligned(16)));
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#define FTMAC100_TXDES0_TXPKT_LATECOL (1 << 0)
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#define FTMAC100_TXDES0_TXPKT_EXSCOL (1 << 1)
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#define FTMAC100_TXDES0_TXDMA_OWN (1 << 31)
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#define FTMAC100_TXDES1_TXBUF_SIZE(x) ((x) & 0x7ff)
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#define FTMAC100_TXDES1_LTS (1 << 27)
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#define FTMAC100_TXDES1_FTS (1 << 28)
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#define FTMAC100_TXDES1_TX2FIC (1 << 29)
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#define FTMAC100_TXDES1_TXIC (1 << 30)
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#define FTMAC100_TXDES1_EDOTR (1 << 31)
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/*
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* Receive descriptor, aligned to 16 bytes
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*/
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struct ftmac100_rxdes {
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unsigned int rxdes0;
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unsigned int rxdes1;
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unsigned int rxdes2; /* RXBUF_BADR */
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unsigned int rxdes3; /* not used by HW */
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} __attribute__ ((aligned(16)));
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#define FTMAC100_RXDES0_RFL 0x7ff
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#define FTMAC100_RXDES0_MULTICAST (1 << 16)
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#define FTMAC100_RXDES0_BROADCAST (1 << 17)
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#define FTMAC100_RXDES0_RX_ERR (1 << 18)
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#define FTMAC100_RXDES0_CRC_ERR (1 << 19)
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#define FTMAC100_RXDES0_FTL (1 << 20)
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#define FTMAC100_RXDES0_RUNT (1 << 21)
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#define FTMAC100_RXDES0_RX_ODD_NB (1 << 22)
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#define FTMAC100_RXDES0_LRS (1 << 28)
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#define FTMAC100_RXDES0_FRS (1 << 29)
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#define FTMAC100_RXDES0_RXDMA_OWN (1 << 31)
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#define FTMAC100_RXDES1_RXBUF_SIZE(x) ((x) & 0x7ff)
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#define FTMAC100_RXDES1_EDORR (1 << 31)
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#endif /* __FTMAC100_H */
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