tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Faraday FTGMAC100 Gigabit Ethernet
4 *
5 * (C) Copyright 2009-2011 Faraday Technology
6 * Po-Yu Chuang <ratbert@faraday-tech.com>
7 */
8
9#ifndef __FTGMAC100_H
10#define __FTGMAC100_H
11
12#define FTGMAC100_OFFSET_ISR 0x00
13#define FTGMAC100_OFFSET_IER 0x04
14#define FTGMAC100_OFFSET_MAC_MADR 0x08
15#define FTGMAC100_OFFSET_MAC_LADR 0x0c
16#define FTGMAC100_OFFSET_MAHT0 0x10
17#define FTGMAC100_OFFSET_MAHT1 0x14
18#define FTGMAC100_OFFSET_NPTXPD 0x18
19#define FTGMAC100_OFFSET_RXPD 0x1c
20#define FTGMAC100_OFFSET_NPTXR_BADR 0x20
21#define FTGMAC100_OFFSET_RXR_BADR 0x24
22#define FTGMAC100_OFFSET_HPTXPD 0x28
23#define FTGMAC100_OFFSET_HPTXR_BADR 0x2c
24#define FTGMAC100_OFFSET_ITC 0x30
25#define FTGMAC100_OFFSET_APTC 0x34
26#define FTGMAC100_OFFSET_DBLAC 0x38
27#define FTGMAC100_OFFSET_DMAFIFOS 0x3c
28#define FTGMAC100_OFFSET_REVR 0x40
29#define FTGMAC100_OFFSET_FEAR 0x44
30#define FTGMAC100_OFFSET_TPAFCR 0x48
31#define FTGMAC100_OFFSET_RBSR 0x4c
32#define FTGMAC100_OFFSET_MACCR 0x50
33#define FTGMAC100_OFFSET_MACSR 0x54
34#define FTGMAC100_OFFSET_TM 0x58
35#define FTGMAC100_OFFSET_PHYCR 0x60
36#define FTGMAC100_OFFSET_PHYDATA 0x64
37#define FTGMAC100_OFFSET_FCR 0x68
38#define FTGMAC100_OFFSET_BPR 0x6c
39#define FTGMAC100_OFFSET_WOLCR 0x70
40#define FTGMAC100_OFFSET_WOLSR 0x74
41#define FTGMAC100_OFFSET_WFCRC 0x78
42#define FTGMAC100_OFFSET_WFBM1 0x80
43#define FTGMAC100_OFFSET_WFBM2 0x84
44#define FTGMAC100_OFFSET_WFBM3 0x88
45#define FTGMAC100_OFFSET_WFBM4 0x8c
46#define FTGMAC100_OFFSET_NPTXR_PTR 0x90
47#define FTGMAC100_OFFSET_HPTXR_PTR 0x94
48#define FTGMAC100_OFFSET_RXR_PTR 0x98
49#define FTGMAC100_OFFSET_TX 0xa0
50#define FTGMAC100_OFFSET_TX_MCOL_SCOL 0xa4
51#define FTGMAC100_OFFSET_TX_ECOL_FAIL 0xa8
52#define FTGMAC100_OFFSET_TX_LCOL_UND 0xac
53#define FTGMAC100_OFFSET_RX 0xb0
54#define FTGMAC100_OFFSET_RX_BC 0xb4
55#define FTGMAC100_OFFSET_RX_MC 0xb8
56#define FTGMAC100_OFFSET_RX_PF_AEP 0xbc
57#define FTGMAC100_OFFSET_RX_RUNT 0xc0
58#define FTGMAC100_OFFSET_RX_CRCER_FTL 0xc4
59#define FTGMAC100_OFFSET_RX_COL_LOST 0xc8
60
61/*
62 * Interrupt status register & interrupt enable register
63 */
64#define FTGMAC100_INT_RPKT_BUF (1 << 0)
65#define FTGMAC100_INT_RPKT_FIFO (1 << 1)
66#define FTGMAC100_INT_NO_RXBUF (1 << 2)
67#define FTGMAC100_INT_RPKT_LOST (1 << 3)
68#define FTGMAC100_INT_XPKT_ETH (1 << 4)
69#define FTGMAC100_INT_XPKT_FIFO (1 << 5)
70#define FTGMAC100_INT_NO_NPTXBUF (1 << 6)
71#define FTGMAC100_INT_XPKT_LOST (1 << 7)
72#define FTGMAC100_INT_AHB_ERR (1 << 8)
73#define FTGMAC100_INT_PHYSTS_CHG (1 << 9)
74#define FTGMAC100_INT_NO_HPTXBUF (1 << 10)
75
76/* Interrupts we care about in NAPI mode */
77#define FTGMAC100_INT_BAD (FTGMAC100_INT_RPKT_LOST | \
78 FTGMAC100_INT_XPKT_LOST | \
79 FTGMAC100_INT_AHB_ERR | \
80 FTGMAC100_INT_NO_RXBUF)
81
82/* Normal RX/TX interrupts, enabled when NAPI off */
83#define FTGMAC100_INT_RXTX (FTGMAC100_INT_XPKT_ETH | \
84 FTGMAC100_INT_RPKT_BUF)
85
86/* All the interrupts we care about */
87#define FTGMAC100_INT_ALL (FTGMAC100_INT_RPKT_BUF | \
88 FTGMAC100_INT_BAD)
89
90/*
91 * Interrupt timer control register
92 */
93#define FTGMAC100_ITC_RXINT_CNT(x) (((x) & 0xf) << 0)
94#define FTGMAC100_ITC_RXINT_THR(x) (((x) & 0x7) << 4)
95#define FTGMAC100_ITC_RXINT_TIME_SEL (1 << 7)
96#define FTGMAC100_ITC_TXINT_CNT(x) (((x) & 0xf) << 8)
97#define FTGMAC100_ITC_TXINT_THR(x) (((x) & 0x7) << 12)
98#define FTGMAC100_ITC_TXINT_TIME_SEL (1 << 15)
99
100/*
101 * Automatic polling timer control register
102 */
103#define FTGMAC100_APTC_RXPOLL_CNT(x) (((x) & 0xf) << 0)
104#define FTGMAC100_APTC_RXPOLL_TIME_SEL (1 << 4)
105#define FTGMAC100_APTC_TXPOLL_CNT(x) (((x) & 0xf) << 8)
106#define FTGMAC100_APTC_TXPOLL_TIME_SEL (1 << 12)
107
108/*
109 * DMA burst length and arbitration control register
110 */
111#define FTGMAC100_DBLAC_RXFIFO_LTHR(x) (((x) & 0x7) << 0)
112#define FTGMAC100_DBLAC_RXFIFO_HTHR(x) (((x) & 0x7) << 3)
113#define FTGMAC100_DBLAC_RX_THR_EN (1 << 6)
114#define FTGMAC100_DBLAC_RXBURST_SIZE(x) (((x) & 0x3) << 8)
115#define FTGMAC100_DBLAC_TXBURST_SIZE(x) (((x) & 0x3) << 10)
116#define FTGMAC100_DBLAC_RXDES_SIZE(x) (((x) & 0xf) << 12)
117#define FTGMAC100_DBLAC_TXDES_SIZE(x) (((x) & 0xf) << 16)
118#define FTGMAC100_DBLAC_IFG_CNT(x) (((x) & 0x7) << 20)
119#define FTGMAC100_DBLAC_IFG_INC (1 << 23)
120
121/*
122 * DMA FIFO status register
123 */
124#define FTGMAC100_DMAFIFOS_RXDMA1_SM(dmafifos) ((dmafifos) & 0xf)
125#define FTGMAC100_DMAFIFOS_RXDMA2_SM(dmafifos) (((dmafifos) >> 4) & 0xf)
126#define FTGMAC100_DMAFIFOS_RXDMA3_SM(dmafifos) (((dmafifos) >> 8) & 0x7)
127#define FTGMAC100_DMAFIFOS_TXDMA1_SM(dmafifos) (((dmafifos) >> 12) & 0xf)
128#define FTGMAC100_DMAFIFOS_TXDMA2_SM(dmafifos) (((dmafifos) >> 16) & 0x3)
129#define FTGMAC100_DMAFIFOS_TXDMA3_SM(dmafifos) (((dmafifos) >> 18) & 0xf)
130#define FTGMAC100_DMAFIFOS_RXFIFO_EMPTY (1 << 26)
131#define FTGMAC100_DMAFIFOS_TXFIFO_EMPTY (1 << 27)
132#define FTGMAC100_DMAFIFOS_RXDMA_GRANT (1 << 28)
133#define FTGMAC100_DMAFIFOS_TXDMA_GRANT (1 << 29)
134#define FTGMAC100_DMAFIFOS_RXDMA_REQ (1 << 30)
135#define FTGMAC100_DMAFIFOS_TXDMA_REQ (1 << 31)
136
137/*
138 * Feature Register
139 */
140#define FTGMAC100_REVR_NEW_MDIO_INTERFACE BIT(31)
141
142/*
143 * Receive buffer size register
144 */
145#define FTGMAC100_RBSR_SIZE(x) ((x) & 0x3fff)
146
147/*
148 * MAC control register
149 */
150#define FTGMAC100_MACCR_TXDMA_EN (1 << 0)
151#define FTGMAC100_MACCR_RXDMA_EN (1 << 1)
152#define FTGMAC100_MACCR_TXMAC_EN (1 << 2)
153#define FTGMAC100_MACCR_RXMAC_EN (1 << 3)
154#define FTGMAC100_MACCR_RM_VLAN (1 << 4)
155#define FTGMAC100_MACCR_HPTXR_EN (1 << 5)
156#define FTGMAC100_MACCR_LOOP_EN (1 << 6)
157#define FTGMAC100_MACCR_ENRX_IN_HALFTX (1 << 7)
158#define FTGMAC100_MACCR_FULLDUP (1 << 8)
159#define FTGMAC100_MACCR_GIGA_MODE (1 << 9)
160#define FTGMAC100_MACCR_CRC_APD (1 << 10)
161#define FTGMAC100_MACCR_PHY_LINK_LEVEL (1 << 11)
162#define FTGMAC100_MACCR_RX_RUNT (1 << 12)
163#define FTGMAC100_MACCR_JUMBO_LF (1 << 13)
164#define FTGMAC100_MACCR_RX_ALL (1 << 14)
165#define FTGMAC100_MACCR_HT_MULTI_EN (1 << 15)
166#define FTGMAC100_MACCR_RX_MULTIPKT (1 << 16)
167#define FTGMAC100_MACCR_RX_BROADPKT (1 << 17)
168#define FTGMAC100_MACCR_DISCARD_CRCERR (1 << 18)
169#define FTGMAC100_MACCR_FAST_MODE (1 << 19)
170#define FTGMAC100_MACCR_SW_RST (1 << 31)
171
172/*
173 * PHY control register
174 */
175#define FTGMAC100_PHYCR_MDC_CYCTHR_MASK 0x3f
176#define FTGMAC100_PHYCR_MDC_CYCTHR(x) ((x) & 0x3f)
177#define FTGMAC100_PHYCR_PHYAD(x) (((x) & 0x1f) << 16)
178#define FTGMAC100_PHYCR_REGAD(x) (((x) & 0x1f) << 21)
179#define FTGMAC100_PHYCR_MIIRD (1 << 26)
180#define FTGMAC100_PHYCR_MIIWR (1 << 27)
181
182/*
183 * PHY data register
184 */
185#define FTGMAC100_PHYDATA_MIIWDATA(x) ((x) & 0xffff)
186#define FTGMAC100_PHYDATA_MIIRDATA(phydata) (((phydata) >> 16) & 0xffff)
187
188/*
189 * Flow control register
190 */
191#define FTGMAC100_FCR_FC_EN (1 << 0)
192#define FTGMAC100_FCR_FCTHR_EN (1 << 2)
193#define FTGMAC100_FCR_PAUSE_TIME(x) (((x) & 0xffff) << 16)
194
195/*
196 * Transmit descriptor, aligned to 16 bytes
197 */
198struct ftgmac100_txdes {
199 __le32 txdes0; /* Control & status bits */
200 __le32 txdes1; /* Irq, checksum and vlan control */
201 __le32 txdes2; /* Reserved */
202 __le32 txdes3; /* DMA buffer address */
203} __attribute__ ((aligned(16)));
204
205#define FTGMAC100_TXDES0_TXBUF_SIZE(x) ((x) & 0x3fff)
206#define FTGMAC100_TXDES0_CRC_ERR (1 << 19)
207#define FTGMAC100_TXDES0_LTS (1 << 28)
208#define FTGMAC100_TXDES0_FTS (1 << 29)
209#define FTGMAC100_TXDES0_TXDMA_OWN (1 << 31)
210
211#define FTGMAC100_TXDES1_VLANTAG_CI(x) ((x) & 0xffff)
212#define FTGMAC100_TXDES1_INS_VLANTAG (1 << 16)
213#define FTGMAC100_TXDES1_TCP_CHKSUM (1 << 17)
214#define FTGMAC100_TXDES1_UDP_CHKSUM (1 << 18)
215#define FTGMAC100_TXDES1_IP_CHKSUM (1 << 19)
216#define FTGMAC100_TXDES1_LLC (1 << 22)
217#define FTGMAC100_TXDES1_TX2FIC (1 << 30)
218#define FTGMAC100_TXDES1_TXIC (1 << 31)
219
220/*
221 * Receive descriptor, aligned to 16 bytes
222 */
223struct ftgmac100_rxdes {
224 __le32 rxdes0; /* Control & status bits */
225 __le32 rxdes1; /* Checksum and vlan status */
226 __le32 rxdes2; /* length/type on AST2500 */
227 __le32 rxdes3; /* DMA buffer address */
228} __attribute__ ((aligned(16)));
229
230#define FTGMAC100_RXDES0_VDBC 0x3fff
231#define FTGMAC100_RXDES0_MULTICAST (1 << 16)
232#define FTGMAC100_RXDES0_BROADCAST (1 << 17)
233#define FTGMAC100_RXDES0_RX_ERR (1 << 18)
234#define FTGMAC100_RXDES0_CRC_ERR (1 << 19)
235#define FTGMAC100_RXDES0_FTL (1 << 20)
236#define FTGMAC100_RXDES0_RUNT (1 << 21)
237#define FTGMAC100_RXDES0_RX_ODD_NB (1 << 22)
238#define FTGMAC100_RXDES0_FIFO_FULL (1 << 23)
239#define FTGMAC100_RXDES0_PAUSE_OPCODE (1 << 24)
240#define FTGMAC100_RXDES0_PAUSE_FRAME (1 << 25)
241#define FTGMAC100_RXDES0_LRS (1 << 28)
242#define FTGMAC100_RXDES0_FRS (1 << 29)
243#define FTGMAC100_RXDES0_RXPKT_RDY (1 << 31)
244
245/* Errors we care about for dropping packets */
246#define RXDES0_ANY_ERROR ( \
247 FTGMAC100_RXDES0_RX_ERR | \
248 FTGMAC100_RXDES0_CRC_ERR | \
249 FTGMAC100_RXDES0_FTL | \
250 FTGMAC100_RXDES0_RUNT | \
251 FTGMAC100_RXDES0_RX_ODD_NB)
252
253#define FTGMAC100_RXDES1_VLANTAG_CI 0xffff
254#define FTGMAC100_RXDES1_PROT_MASK (0x3 << 20)
255#define FTGMAC100_RXDES1_PROT_NONIP (0x0 << 20)
256#define FTGMAC100_RXDES1_PROT_IP (0x1 << 20)
257#define FTGMAC100_RXDES1_PROT_TCPIP (0x2 << 20)
258#define FTGMAC100_RXDES1_PROT_UDPIP (0x3 << 20)
259#define FTGMAC100_RXDES1_LLC (1 << 22)
260#define FTGMAC100_RXDES1_DF (1 << 23)
261#define FTGMAC100_RXDES1_VLANTAG_AVAIL (1 << 24)
262#define FTGMAC100_RXDES1_TCP_CHKSUM_ERR (1 << 25)
263#define FTGMAC100_RXDES1_UDP_CHKSUM_ERR (1 << 26)
264#define FTGMAC100_RXDES1_IP_CHKSUM_ERR (1 << 27)
265
266#endif /* __FTGMAC100_H */