xref: /openbmc/u-boot/drivers/net/mtk_eth.h (revision b9553986)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2018 MediaTek Inc.
4  *
5  * Author: Weijie Gao <weijie.gao@mediatek.com>
6  * Author: Mark Lee <mark-mc.lee@mediatek.com>
7  */
8 
9 #ifndef _MTK_ETH_H_
10 #define _MTK_ETH_H_
11 
12 /* Frame Engine Register Bases */
13 #define PDMA_BASE			0x0800
14 #define GDMA1_BASE			0x0500
15 #define GDMA2_BASE			0x1500
16 #define GMAC_BASE			0x10000
17 
18 /* Ethernet subsystem registers */
19 
20 #define ETHSYS_SYSCFG0_REG		0x14
21 #define SYSCFG0_GE_MODE_S(n)		(12 + ((n) * 2))
22 #define SYSCFG0_GE_MODE_M		0x3
23 
24 #define ETHSYS_CLKCFG0_REG		0x2c
25 #define ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
26 
27 /* SYSCFG0_GE_MODE: GE Modes */
28 #define GE_MODE_RGMII			0
29 #define GE_MODE_MII			1
30 #define GE_MODE_MII_PHY			2
31 #define GE_MODE_RMII			3
32 
33 /* Frame Engine Registers */
34 
35 /* PDMA */
36 #define TX_BASE_PTR_REG(n)		(0x000 + (n) * 0x10)
37 #define TX_MAX_CNT_REG(n)		(0x004 + (n) * 0x10)
38 #define TX_CTX_IDX_REG(n)		(0x008 + (n) * 0x10)
39 #define TX_DTX_IDX_REG(n)		(0x00c + (n) * 0x10)
40 
41 #define RX_BASE_PTR_REG(n)		(0x100 + (n) * 0x10)
42 #define RX_MAX_CNT_REG(n)		(0x104 + (n) * 0x10)
43 #define RX_CRX_IDX_REG(n)		(0x108 + (n) * 0x10)
44 #define RX_DRX_IDX_REG(n)		(0x10c + (n) * 0x10)
45 
46 #define PDMA_GLO_CFG_REG		0x204
47 #define TX_WB_DDONE			BIT(6)
48 #define RX_DMA_BUSY			BIT(3)
49 #define RX_DMA_EN			BIT(2)
50 #define TX_DMA_BUSY			BIT(1)
51 #define TX_DMA_EN			BIT(0)
52 
53 #define PDMA_RST_IDX_REG		0x208
54 #define RST_DRX_IDX0			BIT(16)
55 #define RST_DTX_IDX0			BIT(0)
56 
57 /* GDMA */
58 #define GDMA_IG_CTRL_REG		0x000
59 #define GDM_ICS_EN			BIT(22)
60 #define GDM_TCS_EN			BIT(21)
61 #define GDM_UCS_EN			BIT(20)
62 #define STRP_CRC			BIT(16)
63 #define MYMAC_DP_S			12
64 #define MYMAC_DP_M			0xf000
65 #define BC_DP_S				8
66 #define BC_DP_M				0xf00
67 #define MC_DP_S				4
68 #define MC_DP_M				0xf0
69 #define UN_DP_S				0
70 #define UN_DP_M				0x0f
71 
72 #define GDMA_MAC_LSB_REG		0x008
73 
74 #define GDMA_MAC_MSB_REG		0x00c
75 
76 /* MYMAC_DP/BC_DP/MC_DP/UN_DP: Destination ports */
77 #define DP_PDMA				0
78 #define DP_GDMA1			1
79 #define DP_GDMA2			2
80 #define DP_PPE				4
81 #define DP_QDMA				5
82 #define DP_DISCARD			7
83 
84 /* GMAC Registers */
85 
86 #define GMAC_PIAC_REG			0x0004
87 #define PHY_ACS_ST			BIT(31)
88 #define MDIO_REG_ADDR_S			25
89 #define MDIO_REG_ADDR_M			0x3e000000
90 #define MDIO_PHY_ADDR_S			20
91 #define MDIO_PHY_ADDR_M			0x1f00000
92 #define MDIO_CMD_S			18
93 #define MDIO_CMD_M			0xc0000
94 #define MDIO_ST_S			16
95 #define MDIO_ST_M			0x30000
96 #define MDIO_RW_DATA_S			0
97 #define MDIO_RW_DATA_M			0xffff
98 
99 /* MDIO_CMD: MDIO commands */
100 #define MDIO_CMD_ADDR			0
101 #define MDIO_CMD_WRITE			1
102 #define MDIO_CMD_READ			2
103 #define MDIO_CMD_READ_C45		3
104 
105 /* MDIO_ST: MDIO start field */
106 #define MDIO_ST_C45			0
107 #define MDIO_ST_C22			1
108 
109 #define GMAC_PORT_MCR(p)		(0x0100 + (p) * 0x100)
110 #define MAC_RX_PKT_LEN_S		24
111 #define MAC_RX_PKT_LEN_M		0x3000000
112 #define IPG_CFG_S			18
113 #define IPG_CFG_M			0xc0000
114 #define MAC_MODE			BIT(16)
115 #define FORCE_MODE			BIT(15)
116 #define MAC_TX_EN			BIT(14)
117 #define MAC_RX_EN			BIT(13)
118 #define BKOFF_EN			BIT(9)
119 #define BACKPR_EN			BIT(8)
120 #define FORCE_RX_FC			BIT(5)
121 #define FORCE_TX_FC			BIT(4)
122 #define FORCE_SPD_S			2
123 #define FORCE_SPD_M			0x0c
124 #define FORCE_DPX			BIT(1)
125 #define FORCE_LINK			BIT(0)
126 
127 /* MAC_RX_PKT_LEN: Max RX packet length */
128 #define MAC_RX_PKT_LEN_1518		0
129 #define MAC_RX_PKT_LEN_1536		1
130 #define MAC_RX_PKT_LEN_1552		2
131 #define MAC_RX_PKT_LEN_JUMBO		3
132 
133 /* FORCE_SPD: Forced link speed */
134 #define SPEED_10M			0
135 #define SPEED_100M			1
136 #define SPEED_1000M			2
137 
138 #define GMAC_TRGMII_RCK_CTRL		0x300
139 #define RX_RST				BIT(31)
140 #define RXC_DQSISEL			BIT(30)
141 
142 #define GMAC_TRGMII_TD_ODT(n)		(0x354 + (n) * 8)
143 #define TD_DM_DRVN_S			4
144 #define TD_DM_DRVN_M			0xf0
145 #define TD_DM_DRVP_S			0
146 #define TD_DM_DRVP_M			0x0f
147 
148 /* MT7530 Registers */
149 
150 #define PCR_REG(p)			(0x2004 + (p) * 0x100)
151 #define PORT_MATRIX_S			16
152 #define PORT_MATRIX_M			0xff0000
153 
154 #define PVC_REG(p)			(0x2010 + (p) * 0x100)
155 #define STAG_VPID_S			16
156 #define STAG_VPID_M			0xffff0000
157 #define VLAN_ATTR_S			6
158 #define VLAN_ATTR_M			0xc0
159 
160 /* VLAN_ATTR: VLAN attributes */
161 #define VLAN_ATTR_USER			0
162 #define VLAN_ATTR_STACK			1
163 #define VLAN_ATTR_TRANSLATION		2
164 #define VLAN_ATTR_TRANSPARENT		3
165 
166 #define PCMR_REG(p)			(0x3000 + (p) * 0x100)
167 /* XXX: all fields are defined under GMAC_PORT_MCR */
168 
169 #define SYS_CTRL_REG			0x7000
170 #define SW_PHY_RST			BIT(2)
171 #define SW_SYS_RST			BIT(1)
172 #define SW_REG_RST			BIT(0)
173 
174 #define NUM_TRGMII_CTRL			5
175 
176 #define HWTRAP_REG			0x7800
177 #define MHWTRAP_REG			0x7804
178 #define CHG_TRAP			BIT(16)
179 #define LOOPDET_DIS			BIT(14)
180 #define P5_INTF_SEL_S			13
181 #define P5_INTF_SEL_M			0x2000
182 #define SMI_ADDR_S			11
183 #define SMI_ADDR_M			0x1800
184 #define XTAL_FSEL_S			9
185 #define XTAL_FSEL_M			0x600
186 #define P6_INTF_DIS			BIT(8)
187 #define P5_INTF_MODE_S			7
188 #define P5_INTF_MODE_M			0x80
189 #define P5_INTF_DIS			BIT(6)
190 #define C_MDIO_BPS			BIT(5)
191 #define CHIP_MODE_S			0
192 #define CHIP_MODE_M			0x0f
193 
194 /* P5_INTF_SEL: Interface type of Port5 */
195 #define P5_INTF_SEL_GPHY		0
196 #define P5_INTF_SEL_GMAC5		1
197 
198 /* P5_INTF_MODE: Interface mode of Port5 */
199 #define P5_INTF_MODE_GMII_MII		0
200 #define P5_INTF_MODE_RGMII		1
201 
202 #define MT7530_P6ECR			0x7830
203 #define P6_INTF_MODE_M			0x3
204 #define P6_INTF_MODE_S			0
205 
206 /* P6_INTF_MODE: Interface mode of Port6 */
207 #define P6_INTF_MODE_RGMII		0
208 #define P6_INTF_MODE_TRGMII		1
209 
210 #define MT7530_TRGMII_RD(n)		(0x7a10 + (n) * 8)
211 #define RD_TAP_S			0
212 #define RD_TAP_M			0x7f
213 
214 #define MT7530_TRGMII_TD_ODT(n)		(0x7a54 + (n) * 8)
215 /* XXX: all fields are defined under GMAC_TRGMII_TD_ODT */
216 
217 /* MT7530 GPHY MDIO Indirect Access Registers */
218 
219 #define MII_MMD_ACC_CTL_REG		0x0d
220 #define MMD_CMD_S			14
221 #define MMD_CMD_M			0xc000
222 #define MMD_DEVAD_S			0
223 #define MMD_DEVAD_M			0x1f
224 
225 /* MMD_CMD: MMD commands */
226 #define MMD_ADDR			0
227 #define MMD_DATA			1
228 #define MMD_DATA_RW_POST_INC		2
229 #define MMD_DATA_W_POST_INC		3
230 
231 #define MII_MMD_ADDR_DATA_REG		0x0e
232 
233 /* MT7530 GPHY MDIO MMD Registers */
234 
235 #define CORE_PLL_GROUP2			0x401
236 #define RG_SYSPLL_EN_NORMAL		BIT(15)
237 #define RG_SYSPLL_VODEN			BIT(14)
238 #define RG_SYSPLL_POSDIV_S		5
239 #define RG_SYSPLL_POSDIV_M		0x60
240 
241 #define CORE_PLL_GROUP4			0x403
242 #define RG_SYSPLL_DDSFBK_EN		BIT(12)
243 #define RG_SYSPLL_BIAS_EN		BIT(11)
244 #define RG_SYSPLL_BIAS_LPF_EN		BIT(10)
245 
246 #define CORE_PLL_GROUP5			0x404
247 #define RG_LCDDS_PCW_NCPO1_S		0
248 #define RG_LCDDS_PCW_NCPO1_M		0xffff
249 
250 #define CORE_PLL_GROUP6			0x405
251 #define RG_LCDDS_PCW_NCPO0_S		0
252 #define RG_LCDDS_PCW_NCPO0_M		0xffff
253 
254 #define CORE_PLL_GROUP7			0x406
255 #define RG_LCDDS_PWDB			BIT(15)
256 #define RG_LCDDS_ISO_EN			BIT(13)
257 #define RG_LCCDS_C_S			4
258 #define RG_LCCDS_C_M			0x70
259 #define RG_LCDDS_PCW_NCPO_CHG		BIT(3)
260 
261 #define CORE_PLL_GROUP10		0x409
262 #define RG_LCDDS_SSC_DELTA_S		0
263 #define RG_LCDDS_SSC_DELTA_M		0xfff
264 
265 #define CORE_PLL_GROUP11		0x40a
266 #define RG_LCDDS_SSC_DELTA1_S		0
267 #define RG_LCDDS_SSC_DELTA1_M		0xfff
268 
269 #define CORE_GSWPLL_GRP1		0x40d
270 #define RG_GSWPLL_POSDIV_200M_S		12
271 #define RG_GSWPLL_POSDIV_200M_M		0x3000
272 #define RG_GSWPLL_EN_PRE		BIT(11)
273 #define RG_GSWPLL_FBKDIV_200M_S		0
274 #define RG_GSWPLL_FBKDIV_200M_M		0xff
275 
276 #define CORE_GSWPLL_GRP2		0x40e
277 #define RG_GSWPLL_POSDIV_500M_S		8
278 #define RG_GSWPLL_POSDIV_500M_M		0x300
279 #define RG_GSWPLL_FBKDIV_500M_S		0
280 #define RG_GSWPLL_FBKDIV_500M_M		0xff
281 
282 #define CORE_TRGMII_GSW_CLK_CG		0x410
283 #define REG_GSWCK_EN			BIT(0)
284 #define REG_TRGMIICK_EN			BIT(1)
285 
286 #endif /* _MTK_ETH_H_ */
287