1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Faraday FTGMAC100 Ethernet
5 * (C) Copyright 2010 Faraday Technology
6 * Po-Yu Chuang <ratbert@faraday-tech.com>
8 * (C) Copyright 2010 Andes Technology
9 * Macpaul Lin <macpaul@andestech.com>
15 /* The registers offset table of ftgmac100 */
16 #include <linux/bitops.h>
18 unsigned int isr; /* 0x00 */
19 unsigned int ier; /* 0x04 */
20 unsigned int mac_madr; /* 0x08 */
21 unsigned int mac_ladr; /* 0x0c */
22 unsigned int maht0; /* 0x10 */
23 unsigned int maht1; /* 0x14 */
24 unsigned int txpd; /* 0x18 */
25 unsigned int rxpd; /* 0x1c */
26 unsigned int txr_badr; /* 0x20 */
27 unsigned int rxr_badr; /* 0x24 */
28 unsigned int hptxpd; /* 0x28 */
29 unsigned int hptxpd_badr; /* 0x2c */
30 unsigned int itc; /* 0x30 */
31 unsigned int aptc; /* 0x34 */
32 unsigned int dblac; /* 0x38 */
33 unsigned int dmafifos; /* 0x3c */
34 unsigned int revr; /* 0x40 */
35 unsigned int fear; /* 0x44 */
36 unsigned int tpafcr; /* 0x48 */
37 unsigned int rbsr; /* 0x4c */
38 unsigned int maccr; /* 0x50 */
39 unsigned int macsr; /* 0x54 */
40 unsigned int tm; /* 0x58 */
41 unsigned int resv1; /* 0x5c */ /* not defined in spec */
42 unsigned int phycr; /* 0x60 */
43 unsigned int phydata; /* 0x64 */
44 unsigned int fcr; /* 0x68 */
45 unsigned int bpr; /* 0x6c */
46 unsigned int wolcr; /* 0x70 */
47 unsigned int wolsr; /* 0x74 */
48 unsigned int wfcrc; /* 0x78 */
49 unsigned int resv2; /* 0x7c */ /* not defined in spec */
50 unsigned int wfbm1; /* 0x80 */
51 unsigned int wfbm2; /* 0x84 */
52 unsigned int wfbm3; /* 0x88 */
53 unsigned int wfbm4; /* 0x8c */
54 unsigned int nptxr_ptr; /* 0x90 */
55 unsigned int hptxr_ptr; /* 0x94 */
56 unsigned int rxr_ptr; /* 0x98 */
57 unsigned int resv3; /* 0x9c */ /* not defined in spec */
58 unsigned int tx; /* 0xa0 */
59 unsigned int tx_mcol_scol; /* 0xa4 */
60 unsigned int tx_ecol_fail; /* 0xa8 */
61 unsigned int tx_lcol_und; /* 0xac */
62 unsigned int rx; /* 0xb0 */
63 unsigned int rx_bc; /* 0xb4 */
64 unsigned int rx_mc; /* 0xb8 */
65 unsigned int rx_pf_aep; /* 0xbc */
66 unsigned int rx_runt; /* 0xc0 */
67 unsigned int rx_crcer_ftl; /* 0xc4 */
68 unsigned int rx_col_lost; /* 0xc8 */
72 * Interrupt status register & interrupt enable register
74 #define FTGMAC100_INT_RPKT_BUF BIT(0)
75 #define FTGMAC100_INT_RPKT_FIFO BIT(1)
76 #define FTGMAC100_INT_NO_RXBUF BIT(2)
77 #define FTGMAC100_INT_RPKT_LOST BIT(3)
78 #define FTGMAC100_INT_XPKT_ETH BIT(4)
79 #define FTGMAC100_INT_XPKT_FIFO BIT(5)
80 #define FTGMAC100_INT_NO_NPTXBUF BIT(6)
81 #define FTGMAC100_INT_XPKT_LOST BIT(7)
82 #define FTGMAC100_INT_AHB_ERR BIT(8)
83 #define FTGMAC100_INT_PHYSTS_CHG BIT(9)
84 #define FTGMAC100_INT_NO_HPTXBUF BIT(10)
87 * Interrupt timer control register
89 #define FTGMAC100_ITC_RXINT_CNT(x) (((x) & 0xf) << 0)
90 #define FTGMAC100_ITC_RXINT_THR(x) (((x) & 0x7) << 4)
91 #define FTGMAC100_ITC_RXINT_TIME_SEL BIT(7)
92 #define FTGMAC100_ITC_TXINT_CNT(x) (((x) & 0xf) << 8)
93 #define FTGMAC100_ITC_TXINT_THR(x) (((x) & 0x7) << 12)
94 #define FTGMAC100_ITC_TXINT_TIME_SEL BIT(15)
97 * Automatic polling timer control register
99 #define FTGMAC100_APTC_RXPOLL_CNT(x) (((x) & 0xf) << 0)
100 #define FTGMAC100_APTC_RXPOLL_TIME_SEL BIT(4)
101 #define FTGMAC100_APTC_TXPOLL_CNT(x) (((x) & 0xf) << 8)
102 #define FTGMAC100_APTC_TXPOLL_TIME_SEL BIT(12)
105 * DMA burst length and arbitration control register
107 #define FTGMAC100_DBLAC_RXFIFO_LTHR(x) (((x) & 0x7) << 0)
108 #define FTGMAC100_DBLAC_RXFIFO_HTHR(x) (((x) & 0x7) << 3)
109 #define FTGMAC100_DBLAC_RX_THR_EN BIT(6)
110 #define FTGMAC100_DBLAC_RXBURST_SIZE(x) (((x) & 0x3) << 8)
111 #define FTGMAC100_DBLAC_TXBURST_SIZE(x) (((x) & 0x3) << 10)
112 #define FTGMAC100_DBLAC_RXDES_SIZE(x) (((x) & 0xf) << 12)
113 #define FTGMAC100_DBLAC_TXDES_SIZE(x) (((x) & 0xf) << 16)
114 #define FTGMAC100_DBLAC_IFG_CNT(x) (((x) & 0x7) << 20)
115 #define FTGMAC100_DBLAC_IFG_INC BIT(23)
118 * DMA FIFO status register
120 #define FTGMAC100_DMAFIFOS_RXDMA1_SM(dmafifos) ((dmafifos) & 0xf)
121 #define FTGMAC100_DMAFIFOS_RXDMA2_SM(dmafifos) (((dmafifos) >> 4) & 0xf)
122 #define FTGMAC100_DMAFIFOS_RXDMA3_SM(dmafifos) (((dmafifos) >> 8) & 0x7)
123 #define FTGMAC100_DMAFIFOS_TXDMA1_SM(dmafifos) (((dmafifos) >> 12) & 0xf)
124 #define FTGMAC100_DMAFIFOS_TXDMA2_SM(dmafifos) (((dmafifos) >> 16) & 0x3)
125 #define FTGMAC100_DMAFIFOS_TXDMA3_SM(dmafifos) (((dmafifos) >> 18) & 0xf)
126 #define FTGMAC100_DMAFIFOS_RXFIFO_EMPTY BIT(26)
127 #define FTGMAC100_DMAFIFOS_TXFIFO_EMPTY BIT(27)
128 #define FTGMAC100_DMAFIFOS_RXDMA_GRANT BIT(28)
129 #define FTGMAC100_DMAFIFOS_TXDMA_GRANT BIT(29)
130 #define FTGMAC100_DMAFIFOS_RXDMA_REQ BIT(30)
131 #define FTGMAC100_DMAFIFOS_TXDMA_REQ BIT(31)
134 * Receive buffer size register
136 #define FTGMAC100_RBSR_SIZE(x) ((x) & 0x3fff)
139 * MAC control register
141 #define FTGMAC100_MACCR_TXDMA_EN BIT(0)
142 #define FTGMAC100_MACCR_RXDMA_EN BIT(1)
143 #define FTGMAC100_MACCR_TXMAC_EN BIT(2)
144 #define FTGMAC100_MACCR_RXMAC_EN BIT(3)
145 #define FTGMAC100_MACCR_RM_VLAN BIT(4)
146 #define FTGMAC100_MACCR_HPTXR_EN BIT(5)
147 #define FTGMAC100_MACCR_LOOP_EN BIT(6)
148 #define FTGMAC100_MACCR_ENRX_IN_HALFTX BIT(7)
149 #define FTGMAC100_MACCR_FULLDUP BIT(8)
150 #define FTGMAC100_MACCR_GIGA_MODE BIT(9)
151 #define FTGMAC100_MACCR_CRC_APD BIT(10)
152 #define FTGMAC100_MACCR_RX_RUNT BIT(12)
153 #define FTGMAC100_MACCR_JUMBO_LF BIT(13)
154 #define FTGMAC100_MACCR_RX_ALL BIT(14)
155 #define FTGMAC100_MACCR_HT_MULTI_EN BIT(15)
156 #define FTGMAC100_MACCR_RX_MULTIPKT BIT(16)
157 #define FTGMAC100_MACCR_RX_BROADPKT BIT(17)
158 #define FTGMAC100_MACCR_DISCARD_CRCERR BIT(18)
159 #define FTGMAC100_MACCR_FAST_MODE BIT(19)
160 #define FTGMAC100_MACCR_SW_RST BIT(31)
163 * PHY control register
165 #define FTGMAC100_PHYCR_MDC_CYCTHR_MASK 0x3f
166 #define FTGMAC100_PHYCR_MDC_CYCTHR(x) ((x) & 0x3f)
167 #define FTGMAC100_PHYCR_PHYAD(x) (((x) & 0x1f) << 16)
168 #define FTGMAC100_PHYCR_REGAD(x) (((x) & 0x1f) << 21)
169 #define FTGMAC100_PHYCR_MIIRD BIT(26)
170 #define FTGMAC100_PHYCR_MIIWR BIT(27)
175 #define FTGMAC100_PHYDATA_MIIWDATA(x) ((x) & 0xffff)
176 #define FTGMAC100_PHYDATA_MIIRDATA(phydata) (((phydata) >> 16) & 0xffff)
179 * Transmit descriptor, aligned to 16 bytes
181 struct ftgmac100_txdes {
184 unsigned int txdes2; /* not used by HW */
185 unsigned int txdes3; /* TXBUF_BADR */
188 #define FTGMAC100_TXDES0_TXBUF_SIZE(x) ((x) & 0x3fff)
189 #define FTGMAC100_TXDES0_EDOTR BIT(15)
190 #define FTGMAC100_TXDES0_CRC_ERR BIT(19)
191 #define FTGMAC100_TXDES0_LTS BIT(28)
192 #define FTGMAC100_TXDES0_FTS BIT(29)
193 #define FTGMAC100_TXDES0_TXDMA_OWN BIT(31)
195 #define FTGMAC100_TXDES1_VLANTAG_CI(x) ((x) & 0xffff)
196 #define FTGMAC100_TXDES1_INS_VLANTAG BIT(16)
197 #define FTGMAC100_TXDES1_TCP_CHKSUM BIT(17)
198 #define FTGMAC100_TXDES1_UDP_CHKSUM BIT(18)
199 #define FTGMAC100_TXDES1_IP_CHKSUM BIT(19)
200 #define FTGMAC100_TXDES1_LLC BIT(22)
201 #define FTGMAC100_TXDES1_TX2FIC BIT(30)
202 #define FTGMAC100_TXDES1_TXIC BIT(31)
205 * Receive descriptor, aligned to 16 bytes
207 struct ftgmac100_rxdes {
210 unsigned int rxdes2; /* not used by HW */
211 unsigned int rxdes3; /* RXBUF_BADR */
214 #define FTGMAC100_RXDES0_VDBC(x) ((x) & 0x3fff)
215 #define FTGMAC100_RXDES0_EDORR BIT(15)
216 #define FTGMAC100_RXDES0_MULTICAST BIT(16)
217 #define FTGMAC100_RXDES0_BROADCAST BIT(17)
218 #define FTGMAC100_RXDES0_RX_ERR BIT(18)
219 #define FTGMAC100_RXDES0_CRC_ERR BIT(19)
220 #define FTGMAC100_RXDES0_FTL BIT(20)
221 #define FTGMAC100_RXDES0_RUNT BIT(21)
222 #define FTGMAC100_RXDES0_RX_ODD_NB BIT(22)
223 #define FTGMAC100_RXDES0_FIFO_FULL BIT(23)
224 #define FTGMAC100_RXDES0_PAUSE_OPCODE BIT(24)
225 #define FTGMAC100_RXDES0_PAUSE_FRAME BIT(25)
226 #define FTGMAC100_RXDES0_LRS BIT(28)
227 #define FTGMAC100_RXDES0_FRS BIT(29)
228 #define FTGMAC100_RXDES0_RXPKT_RDY BIT(31)
230 #define FTGMAC100_RXDES1_VLANTAG_CI 0xffff
231 #define FTGMAC100_RXDES1_PROT_MASK (0x3 << 20)
232 #define FTGMAC100_RXDES1_PROT_NONIP (0x0 << 20)
233 #define FTGMAC100_RXDES1_PROT_IP (0x1 << 20)
234 #define FTGMAC100_RXDES1_PROT_TCPIP (0x2 << 20)
235 #define FTGMAC100_RXDES1_PROT_UDPIP (0x3 << 20)
236 #define FTGMAC100_RXDES1_LLC BIT(22)
237 #define FTGMAC100_RXDES1_DF BIT(23)
238 #define FTGMAC100_RXDES1_VLANTAG_AVAIL BIT(24)
239 #define FTGMAC100_RXDES1_TCP_CHKSUM_ERR BIT(25)
240 #define FTGMAC100_RXDES1_UDP_CHKSUM_ERR BIT(26)
241 #define FTGMAC100_RXDES1_IP_CHKSUM_ERR BIT(27)
243 #endif /* __FTGMAC100_H */