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Commit 69785b79 authored by Po-Yu Chuang's avatar Po-Yu Chuang Committed by David S. Miller
Browse files

net: add Faraday FTGMAC100 Gigabit Ethernet driver 



FTGMAC100 Ethernet Media Access Controller supports 10/100/1000 Mbps
and MII/GMII.  This driver has been working on some ARM/NDS32 SoC's
including Faraday A369 and Andes AG102.

Signed-off-by: default avatarPo-Yu Chuang <ratbert@faraday-tech.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ac752277

drivers/net/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -2560,6 +2560,15 @@ config PCH_GBE 
	  ML7223 is companion chip for Intel Atom E6xx series.

	  ML7223 is completely compatible for Intel EG20T PCH.



config FTGMAC100

	tristate "Faraday FTGMAC100 Gigabit Ethernet support"

	depends on ARM

	select PHYLIB

	help

	  This driver supports the FTGMAC100 Gigabit Ethernet controller

	  from Faraday. It is used on Faraday A369, Andes AG102 and some

	  other ARM/NDS32 SoC's.



endif # NETDEV_1000



#

drivers/net/Makefile

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@@ -148,6 +148,7 @@ obj-$(CONFIG_FORCEDETH) += forcedeth.o 
obj-$(CONFIG_NE_H8300) += ne-h8300.o

obj-$(CONFIG_AX88796) += ax88796.o

obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o

obj-$(CONFIG_FTGMAC100) += ftgmac100.o

obj-$(CONFIG_FTMAC100) += ftmac100.o



obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o

drivers/net/ftgmac100.c

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+1365 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/net/ftgmac100.h

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/*

 * Faraday FTGMAC100 Gigabit Ethernet

 *

 * (C) Copyright 2009-2011 Faraday Technology

 * Po-Yu Chuang <ratbert@faraday-tech.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 */



#ifndef __FTGMAC100_H

#define __FTGMAC100_H



#define FTGMAC100_OFFSET_ISR		0x00

#define FTGMAC100_OFFSET_IER		0x04

#define FTGMAC100_OFFSET_MAC_MADR	0x08

#define FTGMAC100_OFFSET_MAC_LADR	0x0c

#define FTGMAC100_OFFSET_MAHT0		0x10

#define FTGMAC100_OFFSET_MAHT1		0x14

#define FTGMAC100_OFFSET_NPTXPD		0x18

#define FTGMAC100_OFFSET_RXPD		0x1c

#define FTGMAC100_OFFSET_NPTXR_BADR	0x20

#define FTGMAC100_OFFSET_RXR_BADR	0x24

#define FTGMAC100_OFFSET_HPTXPD		0x28

#define FTGMAC100_OFFSET_HPTXR_BADR	0x2c

#define FTGMAC100_OFFSET_ITC		0x30

#define FTGMAC100_OFFSET_APTC		0x34

#define FTGMAC100_OFFSET_DBLAC		0x38

#define FTGMAC100_OFFSET_DMAFIFOS	0x3c

#define FTGMAC100_OFFSET_REVR		0x40

#define FTGMAC100_OFFSET_FEAR		0x44

#define FTGMAC100_OFFSET_TPAFCR		0x48

#define FTGMAC100_OFFSET_RBSR		0x4c

#define FTGMAC100_OFFSET_MACCR		0x50

#define FTGMAC100_OFFSET_MACSR		0x54

#define FTGMAC100_OFFSET_TM		0x58

#define FTGMAC100_OFFSET_PHYCR		0x60

#define FTGMAC100_OFFSET_PHYDATA	0x64

#define FTGMAC100_OFFSET_FCR		0x68

#define FTGMAC100_OFFSET_BPR		0x6c

#define FTGMAC100_OFFSET_WOLCR		0x70

#define FTGMAC100_OFFSET_WOLSR		0x74

#define FTGMAC100_OFFSET_WFCRC		0x78

#define FTGMAC100_OFFSET_WFBM1		0x80

#define FTGMAC100_OFFSET_WFBM2		0x84

#define FTGMAC100_OFFSET_WFBM3		0x88

#define FTGMAC100_OFFSET_WFBM4		0x8c

#define FTGMAC100_OFFSET_NPTXR_PTR	0x90

#define FTGMAC100_OFFSET_HPTXR_PTR	0x94

#define FTGMAC100_OFFSET_RXR_PTR	0x98

#define FTGMAC100_OFFSET_TX		0xa0

#define FTGMAC100_OFFSET_TX_MCOL_SCOL	0xa4

#define FTGMAC100_OFFSET_TX_ECOL_FAIL	0xa8

#define FTGMAC100_OFFSET_TX_LCOL_UND	0xac

#define FTGMAC100_OFFSET_RX		0xb0

#define FTGMAC100_OFFSET_RX_BC		0xb4

#define FTGMAC100_OFFSET_RX_MC		0xb8

#define FTGMAC100_OFFSET_RX_PF_AEP	0xbc

#define FTGMAC100_OFFSET_RX_RUNT	0xc0

#define FTGMAC100_OFFSET_RX_CRCER_FTL	0xc4

#define FTGMAC100_OFFSET_RX_COL_LOST	0xc8



/*

 * Interrupt status register & interrupt enable register

 */

#define FTGMAC100_INT_RPKT_BUF		(1 << 0)

#define FTGMAC100_INT_RPKT_FIFO		(1 << 1)

#define FTGMAC100_INT_NO_RXBUF		(1 << 2)

#define FTGMAC100_INT_RPKT_LOST		(1 << 3)

#define FTGMAC100_INT_XPKT_ETH		(1 << 4)

#define FTGMAC100_INT_XPKT_FIFO		(1 << 5)

#define FTGMAC100_INT_NO_NPTXBUF	(1 << 6)

#define FTGMAC100_INT_XPKT_LOST		(1 << 7)

#define FTGMAC100_INT_AHB_ERR		(1 << 8)

#define FTGMAC100_INT_PHYSTS_CHG	(1 << 9)

#define FTGMAC100_INT_NO_HPTXBUF	(1 << 10)



/*

 * Interrupt timer control register

 */

#define FTGMAC100_ITC_RXINT_CNT(x)	(((x) & 0xf) << 0)

#define FTGMAC100_ITC_RXINT_THR(x)	(((x) & 0x7) << 4)

#define FTGMAC100_ITC_RXINT_TIME_SEL	(1 << 7)

#define FTGMAC100_ITC_TXINT_CNT(x)	(((x) & 0xf) << 8)

#define FTGMAC100_ITC_TXINT_THR(x)	(((x) & 0x7) << 12)

#define FTGMAC100_ITC_TXINT_TIME_SEL	(1 << 15)



/*

 * Automatic polling timer control register

 */

#define FTGMAC100_APTC_RXPOLL_CNT(x)	(((x) & 0xf) << 0)

#define FTGMAC100_APTC_RXPOLL_TIME_SEL	(1 << 4)

#define FTGMAC100_APTC_TXPOLL_CNT(x)	(((x) & 0xf) << 8)

#define FTGMAC100_APTC_TXPOLL_TIME_SEL	(1 << 12)



/*

 * DMA burst length and arbitration control register

 */

#define FTGMAC100_DBLAC_RXFIFO_LTHR(x)	(((x) & 0x7) << 0)

#define FTGMAC100_DBLAC_RXFIFO_HTHR(x)	(((x) & 0x7) << 3)

#define FTGMAC100_DBLAC_RX_THR_EN	(1 << 6)

#define FTGMAC100_DBLAC_RXBURST_SIZE(x)	(((x) & 0x3) << 8)

#define FTGMAC100_DBLAC_TXBURST_SIZE(x)	(((x) & 0x3) << 10)

#define FTGMAC100_DBLAC_RXDES_SIZE(x)	(((x) & 0xf) << 12)

#define FTGMAC100_DBLAC_TXDES_SIZE(x)	(((x) & 0xf) << 16)

#define FTGMAC100_DBLAC_IFG_CNT(x)	(((x) & 0x7) << 20)

#define FTGMAC100_DBLAC_IFG_INC		(1 << 23)



/*

 * DMA FIFO status register

 */

#define FTGMAC100_DMAFIFOS_RXDMA1_SM(dmafifos)	((dmafifos) & 0xf)

#define FTGMAC100_DMAFIFOS_RXDMA2_SM(dmafifos)	(((dmafifos) >> 4) & 0xf)

#define FTGMAC100_DMAFIFOS_RXDMA3_SM(dmafifos)	(((dmafifos) >> 8) & 0x7)

#define FTGMAC100_DMAFIFOS_TXDMA1_SM(dmafifos)	(((dmafifos) >> 12) & 0xf)

#define FTGMAC100_DMAFIFOS_TXDMA2_SM(dmafifos)	(((dmafifos) >> 16) & 0x3)

#define FTGMAC100_DMAFIFOS_TXDMA3_SM(dmafifos)	(((dmafifos) >> 18) & 0xf)

#define FTGMAC100_DMAFIFOS_RXFIFO_EMPTY		(1 << 26)

#define FTGMAC100_DMAFIFOS_TXFIFO_EMPTY		(1 << 27)

#define FTGMAC100_DMAFIFOS_RXDMA_GRANT		(1 << 28)

#define FTGMAC100_DMAFIFOS_TXDMA_GRANT		(1 << 29)

#define FTGMAC100_DMAFIFOS_RXDMA_REQ		(1 << 30)

#define FTGMAC100_DMAFIFOS_TXDMA_REQ		(1 << 31)



/*

 * Receive buffer size register

 */

#define FTGMAC100_RBSR_SIZE(x)		((x) & 0x3fff)



/*

 * MAC control register

 */

#define FTGMAC100_MACCR_TXDMA_EN	(1 << 0)

#define FTGMAC100_MACCR_RXDMA_EN	(1 << 1)

#define FTGMAC100_MACCR_TXMAC_EN	(1 << 2)

#define FTGMAC100_MACCR_RXMAC_EN	(1 << 3)

#define FTGMAC100_MACCR_RM_VLAN		(1 << 4)

#define FTGMAC100_MACCR_HPTXR_EN	(1 << 5)

#define FTGMAC100_MACCR_LOOP_EN		(1 << 6)

#define FTGMAC100_MACCR_ENRX_IN_HALFTX	(1 << 7)

#define FTGMAC100_MACCR_FULLDUP		(1 << 8)

#define FTGMAC100_MACCR_GIGA_MODE	(1 << 9)

#define FTGMAC100_MACCR_CRC_APD		(1 << 10)

#define FTGMAC100_MACCR_RX_RUNT		(1 << 12)

#define FTGMAC100_MACCR_JUMBO_LF	(1 << 13)

#define FTGMAC100_MACCR_RX_ALL		(1 << 14)

#define FTGMAC100_MACCR_HT_MULTI_EN	(1 << 15)

#define FTGMAC100_MACCR_RX_MULTIPKT	(1 << 16)

#define FTGMAC100_MACCR_RX_BROADPKT	(1 << 17)

#define FTGMAC100_MACCR_DISCARD_CRCERR	(1 << 18)

#define FTGMAC100_MACCR_FAST_MODE	(1 << 19)

#define FTGMAC100_MACCR_SW_RST		(1 << 31)



/*

 * PHY control register

 */

#define FTGMAC100_PHYCR_MDC_CYCTHR_MASK	0x3f

#define FTGMAC100_PHYCR_MDC_CYCTHR(x)	((x) & 0x3f)

#define FTGMAC100_PHYCR_PHYAD(x)	(((x) & 0x1f) << 16)

#define FTGMAC100_PHYCR_REGAD(x)	(((x) & 0x1f) << 21)

#define FTGMAC100_PHYCR_MIIRD		(1 << 26)

#define FTGMAC100_PHYCR_MIIWR		(1 << 27)



/*

 * PHY data register

 */

#define FTGMAC100_PHYDATA_MIIWDATA(x)		((x) & 0xffff)

#define FTGMAC100_PHYDATA_MIIRDATA(phydata)	(((phydata) >> 16) & 0xffff)



/*

 * Transmit descriptor, aligned to 16 bytes

 */

struct ftgmac100_txdes {

	unsigned int	txdes0;

	unsigned int	txdes1;

	unsigned int	txdes2;	/* not used by HW */

	unsigned int	txdes3;	/* TXBUF_BADR */

} __attribute__ ((aligned(16)));



#define FTGMAC100_TXDES0_TXBUF_SIZE(x)	((x) & 0x3fff)

#define FTGMAC100_TXDES0_EDOTR		(1 << 15)

#define FTGMAC100_TXDES0_CRC_ERR	(1 << 19)

#define FTGMAC100_TXDES0_LTS		(1 << 28)

#define FTGMAC100_TXDES0_FTS		(1 << 29)

#define FTGMAC100_TXDES0_TXDMA_OWN	(1 << 31)



#define FTGMAC100_TXDES1_VLANTAG_CI(x)	((x) & 0xffff)

#define FTGMAC100_TXDES1_INS_VLANTAG	(1 << 16)

#define FTGMAC100_TXDES1_TCP_CHKSUM	(1 << 17)

#define FTGMAC100_TXDES1_UDP_CHKSUM	(1 << 18)

#define FTGMAC100_TXDES1_IP_CHKSUM	(1 << 19)

#define FTGMAC100_TXDES1_LLC		(1 << 22)

#define FTGMAC100_TXDES1_TX2FIC		(1 << 30)

#define FTGMAC100_TXDES1_TXIC		(1 << 31)



/*

 * Receive descriptor, aligned to 16 bytes

 */

struct ftgmac100_rxdes {

	unsigned int	rxdes0;

	unsigned int	rxdes1;

	unsigned int	rxdes2;	/* not used by HW */

	unsigned int	rxdes3;	/* RXBUF_BADR */

} __attribute__ ((aligned(16)));



#define FTGMAC100_RXDES0_VDBC		0x3fff

#define FTGMAC100_RXDES0_EDORR		(1 << 15)

#define FTGMAC100_RXDES0_MULTICAST	(1 << 16)

#define FTGMAC100_RXDES0_BROADCAST	(1 << 17)

#define FTGMAC100_RXDES0_RX_ERR		(1 << 18)

#define FTGMAC100_RXDES0_CRC_ERR	(1 << 19)

#define FTGMAC100_RXDES0_FTL		(1 << 20)

#define FTGMAC100_RXDES0_RUNT		(1 << 21)

#define FTGMAC100_RXDES0_RX_ODD_NB	(1 << 22)

#define FTGMAC100_RXDES0_FIFO_FULL	(1 << 23)

#define FTGMAC100_RXDES0_PAUSE_OPCODE	(1 << 24)

#define FTGMAC100_RXDES0_PAUSE_FRAME	(1 << 25)

#define FTGMAC100_RXDES0_LRS		(1 << 28)

#define FTGMAC100_RXDES0_FRS		(1 << 29)

#define FTGMAC100_RXDES0_RXPKT_RDY	(1 << 31)



#define FTGMAC100_RXDES1_VLANTAG_CI	0xffff

#define FTGMAC100_RXDES1_PROT_MASK	(0x3 << 20)

#define FTGMAC100_RXDES1_PROT_NONIP	(0x0 << 20)

#define FTGMAC100_RXDES1_PROT_IP	(0x1 << 20)

#define FTGMAC100_RXDES1_PROT_TCPIP	(0x2 << 20)

#define FTGMAC100_RXDES1_PROT_UDPIP	(0x3 << 20)

#define FTGMAC100_RXDES1_LLC		(1 << 22)

#define FTGMAC100_RXDES1_DF		(1 << 23)

#define FTGMAC100_RXDES1_VLANTAG_AVAIL	(1 << 24)

#define FTGMAC100_RXDES1_TCP_CHKSUM_ERR	(1 << 25)

#define FTGMAC100_RXDES1_UDP_CHKSUM_ERR	(1 << 26)

#define FTGMAC100_RXDES1_IP_CHKSUM_ERR	(1 << 27)



#endif /* __FTGMAC100_H */