Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2011 Ilya Yanok, Emcraft Systems |
| 4 | * |
| 5 | * Based on: mach-davinci/emac_defs.h |
| 6 | * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #ifndef _DAVINCI_EMAC_H_ |
| 10 | #define _DAVINCI_EMAC_H_ |
| 11 | /* Ethernet Min/Max packet size */ |
| 12 | #define EMAC_MIN_ETHERNET_PKT_SIZE 60 |
| 13 | #define EMAC_MAX_ETHERNET_PKT_SIZE 1518 |
Ilya Yanok | ff67276 | 2011-11-28 06:37:33 +0000 | [diff] [blame] | 14 | /* Buffer size (should be aligned on 32 byte and cache line) */ |
| 15 | #define EMAC_RXBUF_SIZE ALIGN(ALIGN(EMAC_MAX_ETHERNET_PKT_SIZE, 32),\ |
| 16 | ARCH_DMA_MINALIGN) |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 17 | |
| 18 | /* Number of RX packet buffers |
| 19 | * NOTE: Only 1 buffer supported as of now |
| 20 | */ |
| 21 | #define EMAC_MAX_RX_BUFFERS 10 |
| 22 | |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 23 | /*********************************************** |
| 24 | ******** Internally used macros *************** |
| 25 | ***********************************************/ |
| 26 | |
| 27 | #define EMAC_CH_TX 1 |
| 28 | #define EMAC_CH_RX 0 |
| 29 | |
| 30 | /* Each descriptor occupies 4 words, lets start RX desc's at 0 and |
| 31 | * reserve space for 64 descriptors max |
| 32 | */ |
| 33 | #define EMAC_RX_DESC_BASE 0x0 |
| 34 | #define EMAC_TX_DESC_BASE 0x1000 |
| 35 | |
| 36 | /* EMAC Teardown value */ |
| 37 | #define EMAC_TEARDOWN_VALUE 0xfffffffc |
| 38 | |
| 39 | /* MII Status Register */ |
| 40 | #define MII_STATUS_REG 1 |
Tom Rini | c3cf899 | 2017-05-10 12:01:02 -0400 | [diff] [blame] | 41 | /* PHY Configuration register */ |
| 42 | #define PHY_CONF_TXCLKEN (1 << 5) |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 43 | |
| 44 | /* Number of statistics registers */ |
| 45 | #define EMAC_NUM_STATS 36 |
| 46 | |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 47 | /* EMAC Descriptor */ |
| 48 | typedef volatile struct _emac_desc |
| 49 | { |
| 50 | u_int32_t next; /* Pointer to next descriptor |
| 51 | in chain */ |
| 52 | u_int8_t *buffer; /* Pointer to data buffer */ |
| 53 | u_int32_t buff_off_len; /* Buffer Offset(MSW) and Length(LSW) */ |
| 54 | u_int32_t pkt_flag_len; /* Packet Flags(MSW) and Length(LSW) */ |
| 55 | } emac_desc; |
| 56 | |
| 57 | /* CPPI bit positions */ |
| 58 | #define EMAC_CPPI_SOP_BIT (0x80000000) |
| 59 | #define EMAC_CPPI_EOP_BIT (0x40000000) |
| 60 | #define EMAC_CPPI_OWNERSHIP_BIT (0x20000000) |
| 61 | #define EMAC_CPPI_EOQ_BIT (0x10000000) |
| 62 | #define EMAC_CPPI_TEARDOWN_COMPLETE_BIT (0x08000000) |
| 63 | #define EMAC_CPPI_PASS_CRC_BIT (0x04000000) |
| 64 | |
| 65 | #define EMAC_CPPI_RX_ERROR_FRAME (0x03fc0000) |
| 66 | |
| 67 | #define EMAC_MACCONTROL_MIIEN_ENABLE (0x20) |
| 68 | #define EMAC_MACCONTROL_FULLDUPLEX_ENABLE (0x1) |
| 69 | #define EMAC_MACCONTROL_GIGABIT_ENABLE (1 << 7) |
| 70 | #define EMAC_MACCONTROL_GIGFORCE (1 << 17) |
| 71 | #define EMAC_MACCONTROL_RMIISPEED_100 (1 << 15) |
| 72 | |
| 73 | #define EMAC_MAC_ADDR_MATCH (1 << 19) |
| 74 | #define EMAC_MAC_ADDR_IS_VALID (1 << 20) |
| 75 | |
| 76 | #define EMAC_RXMBPENABLE_RXCAFEN_ENABLE (0x200000) |
| 77 | #define EMAC_RXMBPENABLE_RXBROADEN (0x2000) |
| 78 | |
Ilya Yanok | 5f732f7 | 2011-11-28 06:37:29 +0000 | [diff] [blame] | 79 | #define MDIO_CONTROL_IDLE (0x80000000) |
| 80 | #define MDIO_CONTROL_ENABLE (0x40000000) |
| 81 | #define MDIO_CONTROL_FAULT_ENABLE (0x40000) |
| 82 | #define MDIO_CONTROL_FAULT (0x80000) |
| 83 | #define MDIO_USERACCESS0_GO (0x80000000) |
| 84 | #define MDIO_USERACCESS0_WRITE_READ (0x0) |
| 85 | #define MDIO_USERACCESS0_WRITE_WRITE (0x40000000) |
| 86 | #define MDIO_USERACCESS0_ACK (0x20000000) |
| 87 | |
| 88 | /* Ethernet MAC Registers Structure */ |
| 89 | typedef struct { |
| 90 | dv_reg TXIDVER; |
| 91 | dv_reg TXCONTROL; |
| 92 | dv_reg TXTEARDOWN; |
| 93 | u_int8_t RSVD0[4]; |
| 94 | dv_reg RXIDVER; |
| 95 | dv_reg RXCONTROL; |
| 96 | dv_reg RXTEARDOWN; |
| 97 | u_int8_t RSVD1[100]; |
| 98 | dv_reg TXINTSTATRAW; |
| 99 | dv_reg TXINTSTATMASKED; |
| 100 | dv_reg TXINTMASKSET; |
| 101 | dv_reg TXINTMASKCLEAR; |
| 102 | dv_reg MACINVECTOR; |
| 103 | u_int8_t RSVD2[12]; |
| 104 | dv_reg RXINTSTATRAW; |
| 105 | dv_reg RXINTSTATMASKED; |
| 106 | dv_reg RXINTMASKSET; |
| 107 | dv_reg RXINTMASKCLEAR; |
| 108 | dv_reg MACINTSTATRAW; |
| 109 | dv_reg MACINTSTATMASKED; |
| 110 | dv_reg MACINTMASKSET; |
| 111 | dv_reg MACINTMASKCLEAR; |
| 112 | u_int8_t RSVD3[64]; |
| 113 | dv_reg RXMBPENABLE; |
| 114 | dv_reg RXUNICASTSET; |
| 115 | dv_reg RXUNICASTCLEAR; |
| 116 | dv_reg RXMAXLEN; |
| 117 | dv_reg RXBUFFEROFFSET; |
| 118 | dv_reg RXFILTERLOWTHRESH; |
| 119 | u_int8_t RSVD4[8]; |
| 120 | dv_reg RX0FLOWTHRESH; |
| 121 | dv_reg RX1FLOWTHRESH; |
| 122 | dv_reg RX2FLOWTHRESH; |
| 123 | dv_reg RX3FLOWTHRESH; |
| 124 | dv_reg RX4FLOWTHRESH; |
| 125 | dv_reg RX5FLOWTHRESH; |
| 126 | dv_reg RX6FLOWTHRESH; |
| 127 | dv_reg RX7FLOWTHRESH; |
| 128 | dv_reg RX0FREEBUFFER; |
| 129 | dv_reg RX1FREEBUFFER; |
| 130 | dv_reg RX2FREEBUFFER; |
| 131 | dv_reg RX3FREEBUFFER; |
| 132 | dv_reg RX4FREEBUFFER; |
| 133 | dv_reg RX5FREEBUFFER; |
| 134 | dv_reg RX6FREEBUFFER; |
| 135 | dv_reg RX7FREEBUFFER; |
| 136 | dv_reg MACCONTROL; |
| 137 | dv_reg MACSTATUS; |
| 138 | dv_reg EMCONTROL; |
| 139 | dv_reg FIFOCONTROL; |
| 140 | dv_reg MACCONFIG; |
| 141 | dv_reg SOFTRESET; |
| 142 | u_int8_t RSVD5[88]; |
| 143 | dv_reg MACSRCADDRLO; |
| 144 | dv_reg MACSRCADDRHI; |
| 145 | dv_reg MACHASH1; |
| 146 | dv_reg MACHASH2; |
| 147 | dv_reg BOFFTEST; |
| 148 | dv_reg TPACETEST; |
| 149 | dv_reg RXPAUSE; |
| 150 | dv_reg TXPAUSE; |
| 151 | u_int8_t RSVD6[16]; |
| 152 | dv_reg RXGOODFRAMES; |
| 153 | dv_reg RXBCASTFRAMES; |
| 154 | dv_reg RXMCASTFRAMES; |
| 155 | dv_reg RXPAUSEFRAMES; |
| 156 | dv_reg RXCRCERRORS; |
| 157 | dv_reg RXALIGNCODEERRORS; |
| 158 | dv_reg RXOVERSIZED; |
| 159 | dv_reg RXJABBER; |
| 160 | dv_reg RXUNDERSIZED; |
| 161 | dv_reg RXFRAGMENTS; |
| 162 | dv_reg RXFILTERED; |
| 163 | dv_reg RXQOSFILTERED; |
| 164 | dv_reg RXOCTETS; |
| 165 | dv_reg TXGOODFRAMES; |
| 166 | dv_reg TXBCASTFRAMES; |
| 167 | dv_reg TXMCASTFRAMES; |
| 168 | dv_reg TXPAUSEFRAMES; |
| 169 | dv_reg TXDEFERRED; |
| 170 | dv_reg TXCOLLISION; |
| 171 | dv_reg TXSINGLECOLL; |
| 172 | dv_reg TXMULTICOLL; |
| 173 | dv_reg TXEXCESSIVECOLL; |
| 174 | dv_reg TXLATECOLL; |
| 175 | dv_reg TXUNDERRUN; |
| 176 | dv_reg TXCARRIERSENSE; |
| 177 | dv_reg TXOCTETS; |
| 178 | dv_reg FRAME64; |
| 179 | dv_reg FRAME65T127; |
| 180 | dv_reg FRAME128T255; |
| 181 | dv_reg FRAME256T511; |
| 182 | dv_reg FRAME512T1023; |
| 183 | dv_reg FRAME1024TUP; |
| 184 | dv_reg NETOCTETS; |
| 185 | dv_reg RXSOFOVERRUNS; |
| 186 | dv_reg RXMOFOVERRUNS; |
| 187 | dv_reg RXDMAOVERRUNS; |
| 188 | u_int8_t RSVD7[624]; |
| 189 | dv_reg MACADDRLO; |
| 190 | dv_reg MACADDRHI; |
| 191 | dv_reg MACINDEX; |
| 192 | u_int8_t RSVD8[244]; |
| 193 | dv_reg TX0HDP; |
| 194 | dv_reg TX1HDP; |
| 195 | dv_reg TX2HDP; |
| 196 | dv_reg TX3HDP; |
| 197 | dv_reg TX4HDP; |
| 198 | dv_reg TX5HDP; |
| 199 | dv_reg TX6HDP; |
| 200 | dv_reg TX7HDP; |
| 201 | dv_reg RX0HDP; |
| 202 | dv_reg RX1HDP; |
| 203 | dv_reg RX2HDP; |
| 204 | dv_reg RX3HDP; |
| 205 | dv_reg RX4HDP; |
| 206 | dv_reg RX5HDP; |
| 207 | dv_reg RX6HDP; |
| 208 | dv_reg RX7HDP; |
| 209 | dv_reg TX0CP; |
| 210 | dv_reg TX1CP; |
| 211 | dv_reg TX2CP; |
| 212 | dv_reg TX3CP; |
| 213 | dv_reg TX4CP; |
| 214 | dv_reg TX5CP; |
| 215 | dv_reg TX6CP; |
| 216 | dv_reg TX7CP; |
| 217 | dv_reg RX0CP; |
| 218 | dv_reg RX1CP; |
| 219 | dv_reg RX2CP; |
| 220 | dv_reg RX3CP; |
| 221 | dv_reg RX4CP; |
| 222 | dv_reg RX5CP; |
| 223 | dv_reg RX6CP; |
| 224 | dv_reg RX7CP; |
| 225 | } emac_regs; |
| 226 | |
| 227 | /* EMAC Wrapper Registers Structure */ |
| 228 | typedef struct { |
| 229 | #ifdef DAVINCI_EMAC_VERSION2 |
| 230 | dv_reg idver; |
| 231 | dv_reg softrst; |
| 232 | dv_reg emctrl; |
| 233 | dv_reg c0rxthreshen; |
| 234 | dv_reg c0rxen; |
| 235 | dv_reg c0txen; |
| 236 | dv_reg c0miscen; |
| 237 | dv_reg c1rxthreshen; |
| 238 | dv_reg c1rxen; |
| 239 | dv_reg c1txen; |
| 240 | dv_reg c1miscen; |
| 241 | dv_reg c2rxthreshen; |
| 242 | dv_reg c2rxen; |
| 243 | dv_reg c2txen; |
| 244 | dv_reg c2miscen; |
| 245 | dv_reg c0rxthreshstat; |
| 246 | dv_reg c0rxstat; |
| 247 | dv_reg c0txstat; |
| 248 | dv_reg c0miscstat; |
| 249 | dv_reg c1rxthreshstat; |
| 250 | dv_reg c1rxstat; |
| 251 | dv_reg c1txstat; |
| 252 | dv_reg c1miscstat; |
| 253 | dv_reg c2rxthreshstat; |
| 254 | dv_reg c2rxstat; |
| 255 | dv_reg c2txstat; |
| 256 | dv_reg c2miscstat; |
| 257 | dv_reg c0rximax; |
| 258 | dv_reg c0tximax; |
| 259 | dv_reg c1rximax; |
| 260 | dv_reg c1tximax; |
| 261 | dv_reg c2rximax; |
| 262 | dv_reg c2tximax; |
| 263 | #else |
| 264 | u_int8_t RSVD0[4100]; |
| 265 | dv_reg EWCTL; |
| 266 | dv_reg EWINTTCNT; |
| 267 | #endif |
| 268 | } ewrap_regs; |
| 269 | |
| 270 | /* EMAC MDIO Registers Structure */ |
| 271 | typedef struct { |
| 272 | dv_reg VERSION; |
| 273 | dv_reg CONTROL; |
| 274 | dv_reg ALIVE; |
| 275 | dv_reg LINK; |
| 276 | dv_reg LINKINTRAW; |
| 277 | dv_reg LINKINTMASKED; |
| 278 | u_int8_t RSVD0[8]; |
| 279 | dv_reg USERINTRAW; |
| 280 | dv_reg USERINTMASKED; |
| 281 | dv_reg USERINTMASKSET; |
| 282 | dv_reg USERINTMASKCLEAR; |
| 283 | u_int8_t RSVD1[80]; |
| 284 | dv_reg USERACCESS0; |
| 285 | dv_reg USERPHYSEL0; |
| 286 | dv_reg USERACCESS1; |
| 287 | dv_reg USERPHYSEL1; |
| 288 | } mdio_regs; |
| 289 | |
| 290 | int davinci_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data); |
| 291 | int davinci_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data); |
| 292 | |
| 293 | typedef struct { |
| 294 | char name[64]; |
| 295 | int (*init)(int phy_addr); |
| 296 | int (*is_phy_connected)(int phy_addr); |
| 297 | int (*get_link_speed)(int phy_addr); |
| 298 | int (*auto_negotiate)(int phy_addr); |
| 299 | } phy_t; |
| 300 | |
| 301 | #endif /* _DAVINCI_EMAC_H_ */ |