1 /* 2 * (C) Copyright 2010 3 * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. 4 * 5 * See file CREDITS for list of people who contributed to this 6 * project. 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU General Public License as 10 * published by the Free Software Foundation; either version 2 of 11 * the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21 * MA 02111-1307 USA 22 */ 23 24 #ifndef _DW_ETH_H 25 #define _DW_ETH_H 26 27 #define CONFIG_TX_DESCR_NUM 16 28 #define CONFIG_RX_DESCR_NUM 16 29 #define CONFIG_ETH_BUFSIZE 2048 30 #define TX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_TX_DESCR_NUM) 31 #define RX_TOTAL_BUFSIZE (CONFIG_ETH_BUFSIZE * CONFIG_RX_DESCR_NUM) 32 33 #define CONFIG_MACRESET_TIMEOUT (3 * CONFIG_SYS_HZ) 34 #define CONFIG_MDIO_TIMEOUT (3 * CONFIG_SYS_HZ) 35 #define CONFIG_PHYRESET_TIMEOUT (3 * CONFIG_SYS_HZ) 36 #define CONFIG_AUTONEG_TIMEOUT (5 * CONFIG_SYS_HZ) 37 38 struct eth_mac_regs { 39 u32 conf; /* 0x00 */ 40 u32 framefilt; /* 0x04 */ 41 u32 hashtablehigh; /* 0x08 */ 42 u32 hashtablelow; /* 0x0c */ 43 u32 miiaddr; /* 0x10 */ 44 u32 miidata; /* 0x14 */ 45 u32 flowcontrol; /* 0x18 */ 46 u32 vlantag; /* 0x1c */ 47 u32 version; /* 0x20 */ 48 u8 reserved_1[20]; 49 u32 intreg; /* 0x38 */ 50 u32 intmask; /* 0x3c */ 51 u32 macaddr0hi; /* 0x40 */ 52 u32 macaddr0lo; /* 0x44 */ 53 }; 54 55 /* MAC configuration register definitions */ 56 #define FRAMEBURSTENABLE (1 << 21) 57 #define MII_PORTSELECT (1 << 15) 58 #define FES_100 (1 << 14) 59 #define DISABLERXOWN (1 << 13) 60 #define FULLDPLXMODE (1 << 11) 61 #define RXENABLE (1 << 2) 62 #define TXENABLE (1 << 3) 63 64 /* MII address register definitions */ 65 #define MII_BUSY (1 << 0) 66 #define MII_WRITE (1 << 1) 67 #define MII_CLKRANGE_60_100M (0) 68 #define MII_CLKRANGE_100_150M (0x4) 69 #define MII_CLKRANGE_20_35M (0x8) 70 #define MII_CLKRANGE_35_60M (0xC) 71 #define MII_CLKRANGE_150_250M (0x10) 72 #define MII_CLKRANGE_250_300M (0x14) 73 74 #define MIIADDRSHIFT (11) 75 #define MIIREGSHIFT (6) 76 #define MII_REGMSK (0x1F << 6) 77 #define MII_ADDRMSK (0x1F << 11) 78 79 80 struct eth_dma_regs { 81 u32 busmode; /* 0x00 */ 82 u32 txpolldemand; /* 0x04 */ 83 u32 rxpolldemand; /* 0x08 */ 84 u32 rxdesclistaddr; /* 0x0c */ 85 u32 txdesclistaddr; /* 0x10 */ 86 u32 status; /* 0x14 */ 87 u32 opmode; /* 0x18 */ 88 u32 intenable; /* 0x1c */ 89 u8 reserved[40]; 90 u32 currhosttxdesc; /* 0x48 */ 91 u32 currhostrxdesc; /* 0x4c */ 92 u32 currhosttxbuffaddr; /* 0x50 */ 93 u32 currhostrxbuffaddr; /* 0x54 */ 94 }; 95 96 #define DW_DMA_BASE_OFFSET (0x1000) 97 98 /* Bus mode register definitions */ 99 #define FIXEDBURST (1 << 16) 100 #define PRIORXTX_41 (3 << 14) 101 #define PRIORXTX_31 (2 << 14) 102 #define PRIORXTX_21 (1 << 14) 103 #define PRIORXTX_11 (0 << 14) 104 #define BURST_1 (1 << 8) 105 #define BURST_2 (2 << 8) 106 #define BURST_4 (4 << 8) 107 #define BURST_8 (8 << 8) 108 #define BURST_16 (16 << 8) 109 #define BURST_32 (32 << 8) 110 #define RXHIGHPRIO (1 << 1) 111 #define DMAMAC_SRST (1 << 0) 112 113 /* Poll demand definitions */ 114 #define POLL_DATA (0xFFFFFFFF) 115 116 /* Operation mode definitions */ 117 #define STOREFORWARD (1 << 21) 118 #define FLUSHTXFIFO (1 << 20) 119 #define TXSTART (1 << 13) 120 #define TXSECONDFRAME (1 << 2) 121 #define RXSTART (1 << 1) 122 123 /* Descriptior related definitions */ 124 #define MAC_MAX_FRAME_SZ (1600) 125 126 struct dmamacdescr { 127 u32 txrx_status; 128 u32 dmamac_cntl; 129 void *dmamac_addr; 130 struct dmamacdescr *dmamac_next; 131 }; 132 133 /* 134 * txrx_status definitions 135 */ 136 137 /* tx status bits definitions */ 138 #if defined(CONFIG_DW_ALTDESCRIPTOR) 139 140 #define DESC_TXSTS_OWNBYDMA (1 << 31) 141 #define DESC_TXSTS_TXINT (1 << 30) 142 #define DESC_TXSTS_TXLAST (1 << 29) 143 #define DESC_TXSTS_TXFIRST (1 << 28) 144 #define DESC_TXSTS_TXCRCDIS (1 << 27) 145 146 #define DESC_TXSTS_TXPADDIS (1 << 26) 147 #define DESC_TXSTS_TXCHECKINSCTRL (3 << 22) 148 #define DESC_TXSTS_TXRINGEND (1 << 21) 149 #define DESC_TXSTS_TXCHAIN (1 << 20) 150 #define DESC_TXSTS_MSK (0x1FFFF << 0) 151 152 #else 153 154 #define DESC_TXSTS_OWNBYDMA (1 << 31) 155 #define DESC_TXSTS_MSK (0x1FFFF << 0) 156 157 #endif 158 159 /* rx status bits definitions */ 160 #define DESC_RXSTS_OWNBYDMA (1 << 31) 161 #define DESC_RXSTS_DAFILTERFAIL (1 << 30) 162 #define DESC_RXSTS_FRMLENMSK (0x3FFF << 16) 163 #define DESC_RXSTS_FRMLENSHFT (16) 164 165 #define DESC_RXSTS_ERROR (1 << 15) 166 #define DESC_RXSTS_RXTRUNCATED (1 << 14) 167 #define DESC_RXSTS_SAFILTERFAIL (1 << 13) 168 #define DESC_RXSTS_RXIPC_GIANTFRAME (1 << 12) 169 #define DESC_RXSTS_RXDAMAGED (1 << 11) 170 #define DESC_RXSTS_RXVLANTAG (1 << 10) 171 #define DESC_RXSTS_RXFIRST (1 << 9) 172 #define DESC_RXSTS_RXLAST (1 << 8) 173 #define DESC_RXSTS_RXIPC_GIANT (1 << 7) 174 #define DESC_RXSTS_RXCOLLISION (1 << 6) 175 #define DESC_RXSTS_RXFRAMEETHER (1 << 5) 176 #define DESC_RXSTS_RXWATCHDOG (1 << 4) 177 #define DESC_RXSTS_RXMIIERROR (1 << 3) 178 #define DESC_RXSTS_RXDRIBBLING (1 << 2) 179 #define DESC_RXSTS_RXCRC (1 << 1) 180 181 /* 182 * dmamac_cntl definitions 183 */ 184 185 /* tx control bits definitions */ 186 #if defined(CONFIG_DW_ALTDESCRIPTOR) 187 188 #define DESC_TXCTRL_SIZE1MASK (0x1FFF << 0) 189 #define DESC_TXCTRL_SIZE1SHFT (0) 190 #define DESC_TXCTRL_SIZE2MASK (0x1FFF << 16) 191 #define DESC_TXCTRL_SIZE2SHFT (16) 192 193 #else 194 195 #define DESC_TXCTRL_TXINT (1 << 31) 196 #define DESC_TXCTRL_TXLAST (1 << 30) 197 #define DESC_TXCTRL_TXFIRST (1 << 29) 198 #define DESC_TXCTRL_TXCHECKINSCTRL (3 << 27) 199 #define DESC_TXCTRL_TXCRCDIS (1 << 26) 200 #define DESC_TXCTRL_TXRINGEND (1 << 25) 201 #define DESC_TXCTRL_TXCHAIN (1 << 24) 202 203 #define DESC_TXCTRL_SIZE1MASK (0x7FF << 0) 204 #define DESC_TXCTRL_SIZE1SHFT (0) 205 #define DESC_TXCTRL_SIZE2MASK (0x7FF << 11) 206 #define DESC_TXCTRL_SIZE2SHFT (11) 207 208 #endif 209 210 /* rx control bits definitions */ 211 #if defined(CONFIG_DW_ALTDESCRIPTOR) 212 213 #define DESC_RXCTRL_RXINTDIS (1 << 31) 214 #define DESC_RXCTRL_RXRINGEND (1 << 15) 215 #define DESC_RXCTRL_RXCHAIN (1 << 14) 216 217 #define DESC_RXCTRL_SIZE1MASK (0x1FFF << 0) 218 #define DESC_RXCTRL_SIZE1SHFT (0) 219 #define DESC_RXCTRL_SIZE2MASK (0x1FFF << 16) 220 #define DESC_RXCTRL_SIZE2SHFT (16) 221 222 #else 223 224 #define DESC_RXCTRL_RXINTDIS (1 << 31) 225 #define DESC_RXCTRL_RXRINGEND (1 << 25) 226 #define DESC_RXCTRL_RXCHAIN (1 << 24) 227 228 #define DESC_RXCTRL_SIZE1MASK (0x7FF << 0) 229 #define DESC_RXCTRL_SIZE1SHFT (0) 230 #define DESC_RXCTRL_SIZE2MASK (0x7FF << 11) 231 #define DESC_RXCTRL_SIZE2SHFT (11) 232 233 #endif 234 235 struct dw_eth_dev { 236 u32 address; 237 u32 interface; 238 u32 speed; 239 u32 duplex; 240 u32 tx_currdescnum; 241 u32 rx_currdescnum; 242 u32 phy_configured; 243 int link_printed; 244 u32 padding; 245 246 struct dmamacdescr tx_mac_descrtable[CONFIG_TX_DESCR_NUM]; 247 struct dmamacdescr rx_mac_descrtable[CONFIG_RX_DESCR_NUM]; 248 249 char txbuffs[TX_TOTAL_BUFSIZE]; 250 char rxbuffs[RX_TOTAL_BUFSIZE]; 251 252 struct eth_mac_regs *mac_regs_p; 253 struct eth_dma_regs *dma_regs_p; 254 255 struct eth_device *dev; 256 } __attribute__ ((aligned(8))); 257 258 /* Speed specific definitions */ 259 #define SPEED_10M 1 260 #define SPEED_100M 2 261 #define SPEED_1000M 3 262 263 /* Duplex mode specific definitions */ 264 #define HALF_DUPLEX 1 265 #define FULL_DUPLEX 2 266 267 #endif 268