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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Faraday FTGMAC100 Gigabit Ethernet
*
* (C) Copyright 2009-2011 Faraday Technology
* Po-Yu Chuang <ratbert@faraday-tech.com>
*/
#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)
/* Interrupts we care about in NAPI mode */
#define FTGMAC100_INT_BAD (FTGMAC100_INT_RPKT_LOST | \
FTGMAC100_INT_XPKT_LOST | \
FTGMAC100_INT_AHB_ERR | \
FTGMAC100_INT_NO_RXBUF)
/* Normal RX/TX interrupts, enabled when NAPI off */
#define FTGMAC100_INT_RXTX (FTGMAC100_INT_XPKT_ETH | \
FTGMAC100_INT_RPKT_BUF)
/* All the interrupts we care about */
#define FTGMAC100_INT_ALL (FTGMAC100_INT_RPKT_BUF | \
FTGMAC100_INT_BAD)
/*
* 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)
/*
* Feature Register
*/
#define FTGMAC100_REVR_NEW_MDIO_INTERFACE BIT(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_PHY_LINK_LEVEL (1 << 11)
#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)
/*
* Flow control register
*/
#define FTGMAC100_FCR_FC_EN (1 << 0)
#define FTGMAC100_FCR_FCTHR_EN (1 << 2)
#define FTGMAC100_FCR_PAUSE_TIME(x) (((x) & 0xffff) << 16)
/*
* Transmit descriptor, aligned to 16 bytes
*/
struct ftgmac100_txdes {
__le32 txdes0; /* Control & status bits */
__le32 txdes1; /* Irq, checksum and vlan control */
__le32 txdes2; /* Reserved */
__le32 txdes3; /* DMA buffer address */
} __attribute__ ((aligned(16)));
#define FTGMAC100_TXDES0_TXBUF_SIZE(x) ((x) & 0x3fff)
#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 {
__le32 rxdes0; /* Control & status bits */
__le32 rxdes1; /* Checksum and vlan status */
__le32 rxdes2; /* length/type on AST2500 */
__le32 rxdes3; /* DMA buffer address */
} __attribute__ ((aligned(16)));
#define FTGMAC100_RXDES0_VDBC 0x3fff
#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)
/* Errors we care about for dropping packets */
#define RXDES0_ANY_ERROR ( \
FTGMAC100_RXDES0_RX_ERR | \
FTGMAC100_RXDES0_CRC_ERR | \
FTGMAC100_RXDES0_FTL | \
FTGMAC100_RXDES0_RUNT | \
FTGMAC100_RXDES0_RX_ODD_NB)
#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 */
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