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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Faraday FTGMAC100 Ethernet
*
* (C) Copyright 2010 Faraday Technology
* Po-Yu Chuang <ratbert@faraday-tech.com>
*
* (C) Copyright 2010 Andes Technology
* Macpaul Lin <macpaul@andestech.com>
*/
#ifndef __FTGMAC100_H
#define __FTGMAC100_H
/* The registers offset table of ftgmac100 */
#include <linux/bitops.h>
struct ftgmac100 {
unsigned int isr; /* 0x00 */
unsigned int ier; /* 0x04 */
unsigned int mac_madr; /* 0x08 */
unsigned int mac_ladr; /* 0x0c */
unsigned int maht0; /* 0x10 */
unsigned int maht1; /* 0x14 */
unsigned int txpd; /* 0x18 */
unsigned int rxpd; /* 0x1c */
unsigned int txr_badr; /* 0x20 */
unsigned int rxr_badr; /* 0x24 */
unsigned int hptxpd; /* 0x28 */
unsigned int hptxpd_badr; /* 0x2c */
unsigned int itc; /* 0x30 */
unsigned int aptc; /* 0x34 */
unsigned int dblac; /* 0x38 */
unsigned int dmafifos; /* 0x3c */
unsigned int revr; /* 0x40 */
unsigned int fear; /* 0x44 */
unsigned int tpafcr; /* 0x48 */
unsigned int rbsr; /* 0x4c */
unsigned int maccr; /* 0x50 */
unsigned int macsr; /* 0x54 */
unsigned int tm; /* 0x58 */
unsigned int resv1; /* 0x5c */ /* not defined in spec */
unsigned int phycr; /* 0x60 */
unsigned int phydata; /* 0x64 */
unsigned int fcr; /* 0x68 */
unsigned int bpr; /* 0x6c */
unsigned int wolcr; /* 0x70 */
unsigned int wolsr; /* 0x74 */
unsigned int wfcrc; /* 0x78 */
unsigned int resv2; /* 0x7c */ /* not defined in spec */
unsigned int wfbm1; /* 0x80 */
unsigned int wfbm2; /* 0x84 */
unsigned int wfbm3; /* 0x88 */
unsigned int wfbm4; /* 0x8c */
unsigned int nptxr_ptr; /* 0x90 */
unsigned int hptxr_ptr; /* 0x94 */
unsigned int rxr_ptr; /* 0x98 */
unsigned int resv3; /* 0x9c */ /* not defined in spec */
unsigned int tx; /* 0xa0 */
unsigned int tx_mcol_scol; /* 0xa4 */
unsigned int tx_ecol_fail; /* 0xa8 */
unsigned int tx_lcol_und; /* 0xac */
unsigned int rx; /* 0xb0 */
unsigned int rx_bc; /* 0xb4 */
unsigned int rx_mc; /* 0xb8 */
unsigned int rx_pf_aep; /* 0xbc */
unsigned int rx_runt; /* 0xc0 */
unsigned int rx_crcer_ftl; /* 0xc4 */
unsigned int rx_col_lost; /* 0xc8 */
};
/*
* Interrupt status register & interrupt enable register
*/
#define FTGMAC100_INT_RPKT_BUF BIT(0)
#define FTGMAC100_INT_RPKT_FIFO BIT(1)
#define FTGMAC100_INT_NO_RXBUF BIT(2)
#define FTGMAC100_INT_RPKT_LOST BIT(3)
#define FTGMAC100_INT_XPKT_ETH BIT(4)
#define FTGMAC100_INT_XPKT_FIFO BIT(5)
#define FTGMAC100_INT_NO_NPTXBUF BIT(6)
#define FTGMAC100_INT_XPKT_LOST BIT(7)
#define FTGMAC100_INT_AHB_ERR BIT(8)
#define FTGMAC100_INT_PHYSTS_CHG BIT(9)
#define FTGMAC100_INT_NO_HPTXBUF BIT(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 BIT(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 BIT(15)
/*
* Automatic polling timer control register
*/
#define FTGMAC100_APTC_RXPOLL_CNT(x) (((x) & 0xf) << 0)
#define FTGMAC100_APTC_RXPOLL_TIME_SEL BIT(4)
#define FTGMAC100_APTC_TXPOLL_CNT(x) (((x) & 0xf) << 8)
#define FTGMAC100_APTC_TXPOLL_TIME_SEL BIT(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 BIT(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 BIT(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 BIT(26)
#define FTGMAC100_DMAFIFOS_TXFIFO_EMPTY BIT(27)
#define FTGMAC100_DMAFIFOS_RXDMA_GRANT BIT(28)
#define FTGMAC100_DMAFIFOS_TXDMA_GRANT BIT(29)
#define FTGMAC100_DMAFIFOS_RXDMA_REQ BIT(30)
#define FTGMAC100_DMAFIFOS_TXDMA_REQ BIT(31)
/*
* Receive buffer size register
*/
#define FTGMAC100_RBSR_SIZE(x) ((x) & 0x3fff)
/*
* MAC control register
*/
#define FTGMAC100_MACCR_TXDMA_EN BIT(0)
#define FTGMAC100_MACCR_RXDMA_EN BIT(1)
#define FTGMAC100_MACCR_TXMAC_EN BIT(2)
#define FTGMAC100_MACCR_RXMAC_EN BIT(3)
#define FTGMAC100_MACCR_RM_VLAN BIT(4)
#define FTGMAC100_MACCR_HPTXR_EN BIT(5)
#define FTGMAC100_MACCR_LOOP_EN BIT(6)
#define FTGMAC100_MACCR_ENRX_IN_HALFTX BIT(7)
#define FTGMAC100_MACCR_FULLDUP BIT(8)
#define FTGMAC100_MACCR_GIGA_MODE BIT(9)
#define FTGMAC100_MACCR_CRC_APD BIT(10)
#define FTGMAC100_MACCR_RX_RUNT BIT(12)
#define FTGMAC100_MACCR_JUMBO_LF BIT(13)
#define FTGMAC100_MACCR_RX_ALL BIT(14)
#define FTGMAC100_MACCR_HT_MULTI_EN BIT(15)
#define FTGMAC100_MACCR_RX_MULTIPKT BIT(16)
#define FTGMAC100_MACCR_RX_BROADPKT BIT(17)
#define FTGMAC100_MACCR_DISCARD_CRCERR BIT(18)
#define FTGMAC100_MACCR_FAST_MODE BIT(19)
#define FTGMAC100_MACCR_SW_RST BIT(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 BIT(26)
#define FTGMAC100_PHYCR_MIIWR BIT(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 */
} __aligned(16);
#define FTGMAC100_TXDES0_TXBUF_SIZE(x) ((x) & 0x3fff)
#define FTGMAC100_TXDES0_EDOTR BIT(15)
#define FTGMAC100_TXDES0_CRC_ERR BIT(19)
#define FTGMAC100_TXDES0_LTS BIT(28)
#define FTGMAC100_TXDES0_FTS BIT(29)
#define FTGMAC100_TXDES0_TXDMA_OWN BIT(31)
#define FTGMAC100_TXDES1_VLANTAG_CI(x) ((x) & 0xffff)
#define FTGMAC100_TXDES1_INS_VLANTAG BIT(16)
#define FTGMAC100_TXDES1_TCP_CHKSUM BIT(17)
#define FTGMAC100_TXDES1_UDP_CHKSUM BIT(18)
#define FTGMAC100_TXDES1_IP_CHKSUM BIT(19)
#define FTGMAC100_TXDES1_LLC BIT(22)
#define FTGMAC100_TXDES1_TX2FIC BIT(30)
#define FTGMAC100_TXDES1_TXIC BIT(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 */
} __aligned(16);
#define FTGMAC100_RXDES0_VDBC(x) ((x) & 0x3fff)
#define FTGMAC100_RXDES0_EDORR BIT(15)
#define FTGMAC100_RXDES0_MULTICAST BIT(16)
#define FTGMAC100_RXDES0_BROADCAST BIT(17)
#define FTGMAC100_RXDES0_RX_ERR BIT(18)
#define FTGMAC100_RXDES0_CRC_ERR BIT(19)
#define FTGMAC100_RXDES0_FTL BIT(20)
#define FTGMAC100_RXDES0_RUNT BIT(21)
#define FTGMAC100_RXDES0_RX_ODD_NB BIT(22)
#define FTGMAC100_RXDES0_FIFO_FULL BIT(23)
#define FTGMAC100_RXDES0_PAUSE_OPCODE BIT(24)
#define FTGMAC100_RXDES0_PAUSE_FRAME BIT(25)
#define FTGMAC100_RXDES0_LRS BIT(28)
#define FTGMAC100_RXDES0_FRS BIT(29)
#define FTGMAC100_RXDES0_RXPKT_RDY BIT(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 BIT(22)
#define FTGMAC100_RXDES1_DF BIT(23)
#define FTGMAC100_RXDES1_VLANTAG_AVAIL BIT(24)
#define FTGMAC100_RXDES1_TCP_CHKSUM_ERR BIT(25)
#define FTGMAC100_RXDES1_UDP_CHKSUM_ERR BIT(26)
#define FTGMAC100_RXDES1_IP_CHKSUM_ERR BIT(27)
#endif /* __FTGMAC100_H */
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