xref: /openbmc/u-boot/drivers/net/ftgmac100.h (revision 57efeb04)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Faraday FTGMAC100 Ethernet
4  *
5  * (C) Copyright 2010 Faraday Technology
6  * Po-Yu Chuang <ratbert@faraday-tech.com>
7  *
8  * (C) Copyright 2010 Andes Technology
9  * Macpaul Lin <macpaul@andestech.com>
10  */
11 
12 #ifndef __FTGMAC100_H
13 #define __FTGMAC100_H
14 
15 /* The registers offset table of ftgmac100 */
16 struct ftgmac100 {
17 	unsigned int	isr;		/* 0x00 */
18 	unsigned int	ier;		/* 0x04 */
19 	unsigned int	mac_madr;	/* 0x08 */
20 	unsigned int	mac_ladr;	/* 0x0c */
21 	unsigned int	maht0;		/* 0x10 */
22 	unsigned int	maht1;		/* 0x14 */
23 	unsigned int	txpd;		/* 0x18 */
24 	unsigned int	rxpd;		/* 0x1c */
25 	unsigned int	txr_badr;	/* 0x20 */
26 	unsigned int	rxr_badr;	/* 0x24 */
27 	unsigned int	hptxpd;		/* 0x28 */
28 	unsigned int	hptxpd_badr;	/* 0x2c */
29 	unsigned int	itc;		/* 0x30 */
30 	unsigned int	aptc;		/* 0x34 */
31 	unsigned int	dblac;		/* 0x38 */
32 	unsigned int	dmafifos;	/* 0x3c */
33 	unsigned int	revr;		/* 0x40 */
34 	unsigned int	fear;		/* 0x44 */
35 	unsigned int	tpafcr;		/* 0x48 */
36 	unsigned int	rbsr;		/* 0x4c */
37 	unsigned int	maccr;		/* 0x50 */
38 	unsigned int	macsr;		/* 0x54 */
39 	unsigned int	tm;		/* 0x58 */
40 	unsigned int	resv1;		/* 0x5c */ /* not defined in spec */
41 	unsigned int	phycr;		/* 0x60 */
42 	unsigned int	phydata;	/* 0x64 */
43 	unsigned int	fcr;		/* 0x68 */
44 	unsigned int	bpr;		/* 0x6c */
45 	unsigned int	wolcr;		/* 0x70 */
46 	unsigned int	wolsr;		/* 0x74 */
47 	unsigned int	wfcrc;		/* 0x78 */
48 	unsigned int	resv2;		/* 0x7c */ /* not defined in spec */
49 	unsigned int	wfbm1;		/* 0x80 */
50 	unsigned int	wfbm2;		/* 0x84 */
51 	unsigned int	wfbm3;		/* 0x88 */
52 	unsigned int	wfbm4;		/* 0x8c */
53 	unsigned int	nptxr_ptr;	/* 0x90 */
54 	unsigned int	hptxr_ptr;	/* 0x94 */
55 	unsigned int	rxr_ptr;	/* 0x98 */
56 	unsigned int	resv3;		/* 0x9c */ /* not defined in spec */
57 	unsigned int	tx;		/* 0xa0 */
58 	unsigned int	tx_mcol_scol;	/* 0xa4 */
59 	unsigned int	tx_ecol_fail;	/* 0xa8 */
60 	unsigned int	tx_lcol_und;	/* 0xac */
61 	unsigned int	rx;		/* 0xb0 */
62 	unsigned int	rx_bc;		/* 0xb4 */
63 	unsigned int	rx_mc;		/* 0xb8 */
64 	unsigned int	rx_pf_aep;	/* 0xbc */
65 	unsigned int	rx_runt;	/* 0xc0 */
66 	unsigned int	rx_crcer_ftl;	/* 0xc4 */
67 	unsigned int	rx_col_lost;	/* 0xc8 */
68 };
69 
70 /*
71  * Interrupt status register & interrupt enable register
72  */
73 #define FTGMAC100_INT_RPKT_BUF		BIT(0)
74 #define FTGMAC100_INT_RPKT_FIFO		BIT(1)
75 #define FTGMAC100_INT_NO_RXBUF		BIT(2)
76 #define FTGMAC100_INT_RPKT_LOST		BIT(3)
77 #define FTGMAC100_INT_XPKT_ETH		BIT(4)
78 #define FTGMAC100_INT_XPKT_FIFO		BIT(5)
79 #define FTGMAC100_INT_NO_NPTXBUF	BIT(6)
80 #define FTGMAC100_INT_XPKT_LOST		BIT(7)
81 #define FTGMAC100_INT_AHB_ERR		BIT(8)
82 #define FTGMAC100_INT_PHYSTS_CHG	BIT(9)
83 #define FTGMAC100_INT_NO_HPTXBUF	BIT(10)
84 
85 /*
86  * Interrupt timer control register
87  */
88 #define FTGMAC100_ITC_RXINT_CNT(x)	(((x) & 0xf) << 0)
89 #define FTGMAC100_ITC_RXINT_THR(x)	(((x) & 0x7) << 4)
90 #define FTGMAC100_ITC_RXINT_TIME_SEL	BIT(7)
91 #define FTGMAC100_ITC_TXINT_CNT(x)	(((x) & 0xf) << 8)
92 #define FTGMAC100_ITC_TXINT_THR(x)	(((x) & 0x7) << 12)
93 #define FTGMAC100_ITC_TXINT_TIME_SEL	BIT(15)
94 
95 /*
96  * Automatic polling timer control register
97  */
98 #define FTGMAC100_APTC_RXPOLL_CNT(x)	(((x) & 0xf) << 0)
99 #define FTGMAC100_APTC_RXPOLL_TIME_SEL	BIT(4)
100 #define FTGMAC100_APTC_TXPOLL_CNT(x)	(((x) & 0xf) << 8)
101 #define FTGMAC100_APTC_TXPOLL_TIME_SEL	BIT(12)
102 
103 /*
104  * DMA burst length and arbitration control register
105  */
106 #define FTGMAC100_DBLAC_RXFIFO_LTHR(x)	(((x) & 0x7) << 0)
107 #define FTGMAC100_DBLAC_RXFIFO_HTHR(x)	(((x) & 0x7) << 3)
108 #define FTGMAC100_DBLAC_RX_THR_EN	BIT(6)
109 #define FTGMAC100_DBLAC_RXBURST_SIZE(x)	(((x) & 0x3) << 8)
110 #define FTGMAC100_DBLAC_TXBURST_SIZE(x)	(((x) & 0x3) << 10)
111 #define FTGMAC100_DBLAC_RXDES_SIZE(x)	(((x) & 0xf) << 12)
112 #define FTGMAC100_DBLAC_TXDES_SIZE(x)	(((x) & 0xf) << 16)
113 #define FTGMAC100_DBLAC_IFG_CNT(x)	(((x) & 0x7) << 20)
114 #define FTGMAC100_DBLAC_IFG_INC		BIT(23)
115 
116 /*
117  * DMA FIFO status register
118  */
119 #define FTGMAC100_DMAFIFOS_RXDMA1_SM(dmafifos)	((dmafifos) & 0xf)
120 #define FTGMAC100_DMAFIFOS_RXDMA2_SM(dmafifos)	(((dmafifos) >> 4) & 0xf)
121 #define FTGMAC100_DMAFIFOS_RXDMA3_SM(dmafifos)	(((dmafifos) >> 8) & 0x7)
122 #define FTGMAC100_DMAFIFOS_TXDMA1_SM(dmafifos)	(((dmafifos) >> 12) & 0xf)
123 #define FTGMAC100_DMAFIFOS_TXDMA2_SM(dmafifos)	(((dmafifos) >> 16) & 0x3)
124 #define FTGMAC100_DMAFIFOS_TXDMA3_SM(dmafifos)	(((dmafifos) >> 18) & 0xf)
125 #define FTGMAC100_DMAFIFOS_RXFIFO_EMPTY		BIT(26)
126 #define FTGMAC100_DMAFIFOS_TXFIFO_EMPTY		BIT(27)
127 #define FTGMAC100_DMAFIFOS_RXDMA_GRANT		BIT(28)
128 #define FTGMAC100_DMAFIFOS_TXDMA_GRANT		BIT(29)
129 #define FTGMAC100_DMAFIFOS_RXDMA_REQ		BIT(30)
130 #define FTGMAC100_DMAFIFOS_TXDMA_REQ		BIT(31)
131 
132 /*
133  * Receive buffer size register
134  */
135 #define FTGMAC100_RBSR_SIZE(x)		((x) & 0x3fff)
136 
137 /*
138  * MAC control register
139  */
140 #define FTGMAC100_MACCR_TXDMA_EN	BIT(0)
141 #define FTGMAC100_MACCR_RXDMA_EN	BIT(1)
142 #define FTGMAC100_MACCR_TXMAC_EN	BIT(2)
143 #define FTGMAC100_MACCR_RXMAC_EN	BIT(3)
144 #define FTGMAC100_MACCR_RM_VLAN		BIT(4)
145 #define FTGMAC100_MACCR_HPTXR_EN	BIT(5)
146 #define FTGMAC100_MACCR_LOOP_EN		BIT(6)
147 #define FTGMAC100_MACCR_ENRX_IN_HALFTX	BIT(7)
148 #define FTGMAC100_MACCR_FULLDUP		BIT(8)
149 #define FTGMAC100_MACCR_GIGA_MODE	BIT(9)
150 #define FTGMAC100_MACCR_CRC_APD		BIT(10)
151 #define FTGMAC100_MACCR_RX_RUNT		BIT(12)
152 #define FTGMAC100_MACCR_JUMBO_LF	BIT(13)
153 #define FTGMAC100_MACCR_RX_ALL		BIT(14)
154 #define FTGMAC100_MACCR_HT_MULTI_EN	BIT(15)
155 #define FTGMAC100_MACCR_RX_MULTIPKT	BIT(16)
156 #define FTGMAC100_MACCR_RX_BROADPKT	BIT(17)
157 #define FTGMAC100_MACCR_DISCARD_CRCERR	BIT(18)
158 #define FTGMAC100_MACCR_FAST_MODE	BIT(19)
159 #define FTGMAC100_MACCR_SW_RST		BIT(31)
160 
161 /*
162  * PHY control register
163  */
164 #define FTGMAC100_PHYCR_MDC_CYCTHR_MASK	0x3f
165 #define FTGMAC100_PHYCR_MDC_CYCTHR(x)	((x) & 0x3f)
166 #define FTGMAC100_PHYCR_PHYAD(x)	(((x) & 0x1f) << 16)
167 #define FTGMAC100_PHYCR_REGAD(x)	(((x) & 0x1f) << 21)
168 #define FTGMAC100_PHYCR_MIIRD		BIT(26)
169 #define FTGMAC100_PHYCR_MIIWR		BIT(27)
170 
171 /*
172  * PHY data register
173  */
174 #define FTGMAC100_PHYDATA_MIIWDATA(x)		((x) & 0xffff)
175 #define FTGMAC100_PHYDATA_MIIRDATA(phydata)	(((phydata) >> 16) & 0xffff)
176 
177 /*
178  * Transmit descriptor, aligned to 16 bytes
179  */
180 
181 #ifndef CONFIG_SYS_DCACHE_OFF
182 struct ftgmac100_txdes {
183 	unsigned int	txdes0;
184 	unsigned int	txdes1;
185 	unsigned int	txdes2;	/* not used by HW */
186 	unsigned int	txdes3;	/* TXBUF_BADR */
187 } __aligned(CONFIG_SYS_CACHELINE_SIZE);
188 #else
189 struct ftgmac100_txdes {
190 	unsigned int	txdes0;
191 	unsigned int	txdes1;
192 	unsigned int	txdes2;	/* not used by HW */
193 	unsigned int	txdes3;	/* TXBUF_BADR */
194 } __aligned(16);
195 #endif
196 
197 #define FTGMAC100_TXDES0_TXBUF_SIZE(x)	((x) & 0x3fff)
198 #define FTGMAC100_TXDES0_EDOTR		BIT(15)
199 #define FTGMAC100_TXDES0_CRC_ERR	BIT(19)
200 #define FTGMAC100_TXDES0_LTS		BIT(28)
201 #define FTGMAC100_TXDES0_FTS		BIT(29)
202 #define FTGMAC100_TXDES0_TXDMA_OWN	BIT(31)
203 
204 #define FTGMAC100_TXDES1_VLANTAG_CI(x)	((x) & 0xffff)
205 #define FTGMAC100_TXDES1_INS_VLANTAG	BIT(16)
206 #define FTGMAC100_TXDES1_TCP_CHKSUM	BIT(17)
207 #define FTGMAC100_TXDES1_UDP_CHKSUM	BIT(18)
208 #define FTGMAC100_TXDES1_IP_CHKSUM	BIT(19)
209 #define FTGMAC100_TXDES1_LLC		BIT(22)
210 #define FTGMAC100_TXDES1_TX2FIC		BIT(30)
211 #define FTGMAC100_TXDES1_TXIC		BIT(31)
212 
213 /*
214  * Receive descriptor, aligned to 16 bytes
215  */
216 #ifndef CONFIG_SYS_DCACHE_OFF
217 struct ftgmac100_rxdes {
218 	unsigned int	rxdes0;
219 	unsigned int	rxdes1;
220 	unsigned int	rxdes2;	/* not used by HW */
221 	unsigned int	rxdes3;	/* RXBUF_BADR */
222 } __aligned(CONFIG_SYS_CACHELINE_SIZE);
223 #else
224 struct ftgmac100_rxdes {
225 	unsigned int	rxdes0;
226 	unsigned int	rxdes1;
227 	unsigned int	rxdes2;	/* not used by HW */
228 	unsigned int	rxdes3;	/* RXBUF_BADR */
229 } __aligned(16);
230 #endif
231 
232 #define FTGMAC100_RXDES0_VDBC(x)	((x) & 0x3fff)
233 #define FTGMAC100_RXDES0_EDORR		BIT(15)
234 #define FTGMAC100_RXDES0_MULTICAST	BIT(16)
235 #define FTGMAC100_RXDES0_BROADCAST	BIT(17)
236 #define FTGMAC100_RXDES0_RX_ERR		BIT(18)
237 #define FTGMAC100_RXDES0_CRC_ERR	BIT(19)
238 #define FTGMAC100_RXDES0_FTL		BIT(20)
239 #define FTGMAC100_RXDES0_RUNT		BIT(21)
240 #define FTGMAC100_RXDES0_RX_ODD_NB	BIT(22)
241 #define FTGMAC100_RXDES0_FIFO_FULL	BIT(23)
242 #define FTGMAC100_RXDES0_PAUSE_OPCODE	BIT(24)
243 #define FTGMAC100_RXDES0_PAUSE_FRAME	BIT(25)
244 #define FTGMAC100_RXDES0_LRS		BIT(28)
245 #define FTGMAC100_RXDES0_FRS		BIT(29)
246 #define FTGMAC100_RXDES0_RXPKT_RDY	BIT(31)
247 
248 #define FTGMAC100_RXDES1_VLANTAG_CI	0xffff
249 #define FTGMAC100_RXDES1_PROT_MASK	(0x3 << 20)
250 #define FTGMAC100_RXDES1_PROT_NONIP	(0x0 << 20)
251 #define FTGMAC100_RXDES1_PROT_IP	(0x1 << 20)
252 #define FTGMAC100_RXDES1_PROT_TCPIP	(0x2 << 20)
253 #define FTGMAC100_RXDES1_PROT_UDPIP	(0x3 << 20)
254 #define FTGMAC100_RXDES1_LLC		BIT(22)
255 #define FTGMAC100_RXDES1_DF		BIT(23)
256 #define FTGMAC100_RXDES1_VLANTAG_AVAIL	BIT(24)
257 #define FTGMAC100_RXDES1_TCP_CHKSUM_ERR	BIT(25)
258 #define FTGMAC100_RXDES1_UDP_CHKSUM_ERR	BIT(26)
259 #define FTGMAC100_RXDES1_IP_CHKSUM_ERR	BIT(27)
260 
261 #endif /* __FTGMAC100_H */
262