drivers/net/smc911x.h

   1 /*
   2  * SMSC LAN9[12]1[567] Network driver
   3  *
   4  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #ifndef _SMC911X_H_
  10 #define _SMC911X_H_
  11
  12 #include <linux/types.h>
  13
  14 #define DRIVERNAME "smc911x"
  15
  16 #if defined (CONFIG_SMC911X_32_BIT) && \
  17         defined (CONFIG_SMC911X_16_BIT)
  18 #error "SMC911X: Only one of CONFIG_SMC911X_32_BIT and \
  19         CONFIG_SMC911X_16_BIT shall be set"
  20 #endif
  21
  22 #if defined (CONFIG_SMC911X_32_BIT)
  23 static inline u32 __smc911x_reg_read(struct eth_device *dev, u32 offset)
  24 {
  25         return *(volatile u32*)(dev->iobase + offset);
  26 }
  27 u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
  28         __attribute__((weak, alias("__smc911x_reg_read")));
  29
  30 static inline void __smc911x_reg_write(struct eth_device *dev,
  31                                         u32 offset, u32 val)
  32 {
  33         *(volatile u32*)(dev->iobase + offset) = val;
  34 }
  35 void smc911x_reg_write(struct eth_device *dev, u32 offset, u32 val)
  36         __attribute__((weak, alias("__smc911x_reg_write")));
  37 #elif defined (CONFIG_SMC911X_16_BIT)
  38 static inline u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
  39 {
  40         volatile u16 *addr_16 = (u16 *)(dev->iobase + offset);
  41         return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16));
  42 }
  43 static inline void smc911x_reg_write(struct eth_device *dev,
  44                                         u32 offset, u32 val)
  45 {
  46         *(volatile u16 *)(dev->iobase + offset) = (u16)val;
  47         *(volatile u16 *)(dev->iobase + offset + 2) = (u16)(val >> 16);
  48 }
  49 #else
  50 #error "SMC911X: undefined bus width"
  51 #endif /* CONFIG_SMC911X_16_BIT */
  52
  53 /* Below are the register offsets and bit definitions
  54  * of the Lan911x memory space
  55  */
  56 #define RX_DATA_FIFO                            0x00
  57
  58 #define TX_DATA_FIFO                            0x20
  59 #define TX_CMD_A_INT_ON_COMP                    0x80000000
  60 #define TX_CMD_A_INT_BUF_END_ALGN               0x03000000
  61 #define TX_CMD_A_INT_4_BYTE_ALGN                0x00000000
  62 #define TX_CMD_A_INT_16_BYTE_ALGN               0x01000000
  63 #define TX_CMD_A_INT_32_BYTE_ALGN               0x02000000
  64 #define TX_CMD_A_INT_DATA_OFFSET                0x001F0000
  65 #define TX_CMD_A_INT_FIRST_SEG                  0x00002000
  66 #define TX_CMD_A_INT_LAST_SEG                   0x00001000
  67 #define TX_CMD_A_BUF_SIZE                       0x000007FF
  68 #define TX_CMD_B_PKT_TAG                        0xFFFF0000
  69 #define TX_CMD_B_ADD_CRC_DISABLE                0x00002000
  70 #define TX_CMD_B_DISABLE_PADDING                0x00001000
  71 #define TX_CMD_B_PKT_BYTE_LENGTH                0x000007FF
  72
  73 #define RX_STATUS_FIFO                          0x40
  74 #define RX_STS_PKT_LEN                          0x3FFF0000
  75 #define RX_STS_ES                               0x00008000
  76 #define RX_STS_BCST                             0x00002000
  77 #define RX_STS_LEN_ERR                          0x00001000
  78 #define RX_STS_RUNT_ERR                         0x00000800
  79 #define RX_STS_MCAST                            0x00000400
  80 #define RX_STS_TOO_LONG                         0x00000080
  81 #define RX_STS_COLL                             0x00000040
  82 #define RX_STS_ETH_TYPE                         0x00000020
  83 #define RX_STS_WDOG_TMT                         0x00000010
  84 #define RX_STS_MII_ERR                          0x00000008
  85 #define RX_STS_DRIBBLING                        0x00000004
  86 #define RX_STS_CRC_ERR                          0x00000002
  87 #define RX_STATUS_FIFO_PEEK                     0x44
  88 #define TX_STATUS_FIFO                          0x48
  89 #define TX_STS_TAG                              0xFFFF0000
  90 #define TX_STS_ES                               0x00008000
  91 #define TX_STS_LOC                              0x00000800
  92 #define TX_STS_NO_CARR                          0x00000400
  93 #define TX_STS_LATE_COLL                        0x00000200
  94 #define TX_STS_MANY_COLL                        0x00000100
  95 #define TX_STS_COLL_CNT                         0x00000078
  96 #define TX_STS_MANY_DEFER                       0x00000004
  97 #define TX_STS_UNDERRUN                         0x00000002
  98 #define TX_STS_DEFERRED                         0x00000001
  99 #define TX_STATUS_FIFO_PEEK                     0x4C
 100 #define ID_REV                                  0x50
 101 #define ID_REV_CHIP_ID                          0xFFFF0000  /* RO */
 102 #define ID_REV_REV_ID                           0x0000FFFF  /* RO */
 103
 104 #define INT_CFG                                 0x54
 105 #define INT_CFG_INT_DEAS                        0xFF000000  /* R/W */
 106 #define INT_CFG_INT_DEAS_CLR                    0x00004000
 107 #define INT_CFG_INT_DEAS_STS                    0x00002000
 108 #define INT_CFG_IRQ_INT                         0x00001000  /* RO */
 109 #define INT_CFG_IRQ_EN                          0x00000100  /* R/W */
 110                                         /* R/W Not Affected by SW Reset */
 111 #define INT_CFG_IRQ_POL                         0x00000010
 112                                         /* R/W Not Affected by SW Reset */
 113 #define INT_CFG_IRQ_TYPE                        0x00000001
 114
 115 #define INT_STS                                 0x58
 116 #define INT_STS_SW_INT                          0x80000000  /* R/WC */
 117 #define INT_STS_TXSTOP_INT                      0x02000000  /* R/WC */
 118 #define INT_STS_RXSTOP_INT                      0x01000000  /* R/WC */
 119 #define INT_STS_RXDFH_INT                       0x00800000  /* R/WC */
 120 #define INT_STS_RXDF_INT                        0x00400000  /* R/WC */
 121 #define INT_STS_TX_IOC                          0x00200000  /* R/WC */
 122 #define INT_STS_RXD_INT                         0x00100000  /* R/WC */
 123 #define INT_STS_GPT_INT                         0x00080000  /* R/WC */
 124 #define INT_STS_PHY_INT                         0x00040000  /* RO */
 125 #define INT_STS_PME_INT                         0x00020000  /* R/WC */
 126 #define INT_STS_TXSO                            0x00010000  /* R/WC */
 127 #define INT_STS_RWT                             0x00008000  /* R/WC */
 128 #define INT_STS_RXE                             0x00004000  /* R/WC */
 129 #define INT_STS_TXE                             0x00002000  /* R/WC */
 130 /*#define       INT_STS_ERX             0x00001000*/  /* R/WC */
 131 #define INT_STS_TDFU                            0x00000800  /* R/WC */
 132 #define INT_STS_TDFO                            0x00000400  /* R/WC */
 133 #define INT_STS_TDFA                            0x00000200  /* R/WC */
 134 #define INT_STS_TSFF                            0x00000100  /* R/WC */
 135 #define INT_STS_TSFL                            0x00000080  /* R/WC */
 136 /*#define       INT_STS_RXDF            0x00000040*/  /* R/WC */
 137 #define INT_STS_RDFO                            0x00000040  /* R/WC */
 138 #define INT_STS_RDFL                            0x00000020  /* R/WC */
 139 #define INT_STS_RSFF                            0x00000010  /* R/WC */
 140 #define INT_STS_RSFL                            0x00000008  /* R/WC */
 141 #define INT_STS_GPIO2_INT                       0x00000004  /* R/WC */
 142 #define INT_STS_GPIO1_INT                       0x00000002  /* R/WC */
 143 #define INT_STS_GPIO0_INT                       0x00000001  /* R/WC */
 144 #define INT_EN                                  0x5C
 145 #define INT_EN_SW_INT_EN                        0x80000000  /* R/W */
 146 #define INT_EN_TXSTOP_INT_EN                    0x02000000  /* R/W */
 147 #define INT_EN_RXSTOP_INT_EN                    0x01000000  /* R/W */
 148 #define INT_EN_RXDFH_INT_EN                     0x00800000  /* R/W */
 149 /*#define       INT_EN_RXDF_INT_EN              0x00400000*/  /* R/W */
 150 #define INT_EN_TIOC_INT_EN                      0x00200000  /* R/W */
 151 #define INT_EN_RXD_INT_EN                       0x00100000  /* R/W */
 152 #define INT_EN_GPT_INT_EN                       0x00080000  /* R/W */
 153 #define INT_EN_PHY_INT_EN                       0x00040000  /* R/W */
 154 #define INT_EN_PME_INT_EN                       0x00020000  /* R/W */
 155 #define INT_EN_TXSO_EN                          0x00010000  /* R/W */
 156 #define INT_EN_RWT_EN                           0x00008000  /* R/W */
 157 #define INT_EN_RXE_EN                           0x00004000  /* R/W */
 158 #define INT_EN_TXE_EN                           0x00002000  /* R/W */
 159 /*#define       INT_EN_ERX_EN                   0x00001000*/  /* R/W */
 160 #define INT_EN_TDFU_EN                          0x00000800  /* R/W */
 161 #define INT_EN_TDFO_EN                          0x00000400  /* R/W */
 162 #define INT_EN_TDFA_EN                          0x00000200  /* R/W */
 163 #define INT_EN_TSFF_EN                          0x00000100  /* R/W */
 164 #define INT_EN_TSFL_EN                          0x00000080  /* R/W */
 165 /*#define       INT_EN_RXDF_EN                  0x00000040*/  /* R/W */
 166 #define INT_EN_RDFO_EN                          0x00000040  /* R/W */
 167 #define INT_EN_RDFL_EN                          0x00000020  /* R/W */
 168 #define INT_EN_RSFF_EN                          0x00000010  /* R/W */
 169 #define INT_EN_RSFL_EN                          0x00000008  /* R/W */
 170 #define INT_EN_GPIO2_INT                        0x00000004  /* R/W */
 171 #define INT_EN_GPIO1_INT                        0x00000002  /* R/W */
 172 #define INT_EN_GPIO0_INT                        0x00000001  /* R/W */
 173
 174 #define BYTE_TEST                               0x64
 175 #define FIFO_INT                                0x68
 176 #define FIFO_INT_TX_AVAIL_LEVEL                 0xFF000000  /* R/W */
 177 #define FIFO_INT_TX_STS_LEVEL                   0x00FF0000  /* R/W */
 178 #define FIFO_INT_RX_AVAIL_LEVEL                 0x0000FF00  /* R/W */
 179 #define FIFO_INT_RX_STS_LEVEL                   0x000000FF  /* R/W */
 180
 181 #define RX_CFG                                  0x6C
 182 #define RX_CFG_RX_END_ALGN                      0xC0000000  /* R/W */
 183 #define         RX_CFG_RX_END_ALGN4             0x00000000  /* R/W */
 184 #define         RX_CFG_RX_END_ALGN16            0x40000000  /* R/W */
 185 #define         RX_CFG_RX_END_ALGN32            0x80000000  /* R/W */
 186 #define RX_CFG_RX_DMA_CNT                       0x0FFF0000  /* R/W */
 187 #define RX_CFG_RX_DUMP                          0x00008000  /* R/W */
 188 #define RX_CFG_RXDOFF                           0x00001F00  /* R/W */
 189 /*#define       RX_CFG_RXBAD                    0x00000001*/  /* R/W */
 190
 191 #define TX_CFG                                  0x70
 192 /*#define       TX_CFG_TX_DMA_LVL               0xE0000000*/     /* R/W */
 193                                                  /* R/W Self Clearing */
 194 /*#define       TX_CFG_TX_DMA_CNT               0x0FFF0000*/
 195 #define TX_CFG_TXS_DUMP                         0x00008000  /* Self Clearing */
 196 #define TX_CFG_TXD_DUMP                         0x00004000  /* Self Clearing */
 197 #define TX_CFG_TXSAO                            0x00000004  /* R/W */
 198 #define TX_CFG_TX_ON                            0x00000002  /* R/W */
 199 #define TX_CFG_STOP_TX                          0x00000001  /* Self Clearing */
 200
 201 #define HW_CFG                                  0x74
 202 #define HW_CFG_TTM                              0x00200000  /* R/W */
 203 #define HW_CFG_SF                               0x00100000  /* R/W */
 204 #define HW_CFG_TX_FIF_SZ                        0x000F0000  /* R/W */
 205 #define HW_CFG_TR                               0x00003000  /* R/W */
 206 #define HW_CFG_PHY_CLK_SEL                      0x00000060  /* R/W */
 207 #define HW_CFG_PHY_CLK_SEL_INT_PHY              0x00000000 /* R/W */
 208 #define HW_CFG_PHY_CLK_SEL_EXT_PHY              0x00000020 /* R/W */
 209 #define HW_CFG_PHY_CLK_SEL_CLK_DIS              0x00000040 /* R/W */
 210 #define HW_CFG_SMI_SEL                          0x00000010  /* R/W */
 211 #define HW_CFG_EXT_PHY_DET                      0x00000008  /* RO */
 212 #define HW_CFG_EXT_PHY_EN                       0x00000004  /* R/W */
 213 #define HW_CFG_32_16_BIT_MODE                   0x00000004  /* RO */
 214 #define HW_CFG_SRST_TO                          0x00000002  /* RO */
 215 #define HW_CFG_SRST                             0x00000001  /* Self Clearing */
 216
 217 #define RX_DP_CTRL                              0x78
 218 #define RX_DP_CTRL_RX_FFWD                      0x80000000  /* R/W */
 219 #define RX_DP_CTRL_FFWD_BUSY                    0x80000000  /* RO */
 220
 221 #define RX_FIFO_INF                             0x7C
 222 #define  RX_FIFO_INF_RXSUSED                    0x00FF0000  /* RO */
 223 #define  RX_FIFO_INF_RXDUSED                    0x0000FFFF  /* RO */
 224
 225 #define TX_FIFO_INF                             0x80
 226 #define TX_FIFO_INF_TSUSED                      0x00FF0000  /* RO */
 227 #define TX_FIFO_INF_TDFREE                      0x0000FFFF  /* RO */
 228
 229 #define PMT_CTRL                                0x84
 230 #define PMT_CTRL_PM_MODE                        0x00003000  /* Self Clearing */
 231 #define PMT_CTRL_PHY_RST                        0x00000400  /* Self Clearing */
 232 #define PMT_CTRL_WOL_EN                         0x00000200  /* R/W */
 233 #define PMT_CTRL_ED_EN                          0x00000100  /* R/W */
 234                                         /* R/W Not Affected by SW Reset */
 235 #define PMT_CTRL_PME_TYPE                       0x00000040
 236 #define PMT_CTRL_WUPS                           0x00000030  /* R/WC */
 237 #define PMT_CTRL_WUPS_NOWAKE                    0x00000000  /* R/WC */
 238 #define PMT_CTRL_WUPS_ED                        0x00000010  /* R/WC */
 239 #define PMT_CTRL_WUPS_WOL                       0x00000020  /* R/WC */
 240 #define PMT_CTRL_WUPS_MULTI                     0x00000030  /* R/WC */
 241 #define PMT_CTRL_PME_IND                        0x00000008  /* R/W */
 242 #define PMT_CTRL_PME_POL                        0x00000004  /* R/W */
 243                                         /* R/W Not Affected by SW Reset */
 244 #define PMT_CTRL_PME_EN                         0x00000002
 245 #define PMT_CTRL_READY                          0x00000001  /* RO */
 246
 247 #define GPIO_CFG                                0x88
 248 #define GPIO_CFG_LED3_EN                        0x40000000  /* R/W */
 249 #define GPIO_CFG_LED2_EN                        0x20000000  /* R/W */
 250 #define GPIO_CFG_LED1_EN                        0x10000000  /* R/W */
 251 #define GPIO_CFG_GPIO2_INT_POL                  0x04000000  /* R/W */
 252 #define GPIO_CFG_GPIO1_INT_POL                  0x02000000  /* R/W */
 253 #define GPIO_CFG_GPIO0_INT_POL                  0x01000000  /* R/W */
 254 #define GPIO_CFG_EEPR_EN                        0x00700000  /* R/W */
 255 #define GPIO_CFG_GPIOBUF2                       0x00040000  /* R/W */
 256 #define GPIO_CFG_GPIOBUF1                       0x00020000  /* R/W */
 257 #define GPIO_CFG_GPIOBUF0                       0x00010000  /* R/W */
 258 #define GPIO_CFG_GPIODIR2                       0x00000400  /* R/W */
 259 #define GPIO_CFG_GPIODIR1                       0x00000200  /* R/W */
 260 #define GPIO_CFG_GPIODIR0                       0x00000100  /* R/W */
 261 #define GPIO_CFG_GPIOD4                         0x00000010  /* R/W */
 262 #define GPIO_CFG_GPIOD3                         0x00000008  /* R/W */
 263 #define GPIO_CFG_GPIOD2                         0x00000004  /* R/W */
 264 #define GPIO_CFG_GPIOD1                         0x00000002  /* R/W */
 265 #define GPIO_CFG_GPIOD0                         0x00000001  /* R/W */
 266
 267 #define GPT_CFG                                 0x8C
 268 #define GPT_CFG_TIMER_EN                        0x20000000  /* R/W */
 269 #define GPT_CFG_GPT_LOAD                        0x0000FFFF  /* R/W */
 270
 271 #define GPT_CNT                                 0x90
 272 #define GPT_CNT_GPT_CNT                         0x0000FFFF  /* RO */
 273
 274 #define ENDIAN                                  0x98
 275 #define FREE_RUN                                0x9C
 276 #define RX_DROP                                 0xA0
 277 #define MAC_CSR_CMD                             0xA4
 278 #define  MAC_CSR_CMD_CSR_BUSY                   0x80000000  /* Self Clearing */
 279 #define  MAC_CSR_CMD_R_NOT_W                    0x40000000  /* R/W */
 280 #define  MAC_CSR_CMD_CSR_ADDR                   0x000000FF  /* R/W */
 281
 282 #define MAC_CSR_DATA                            0xA8
 283 #define AFC_CFG                                 0xAC
 284 #define         AFC_CFG_AFC_HI                  0x00FF0000  /* R/W */
 285 #define         AFC_CFG_AFC_LO                  0x0000FF00  /* R/W */
 286 #define         AFC_CFG_BACK_DUR                0x000000F0  /* R/W */
 287 #define         AFC_CFG_FCMULT                  0x00000008  /* R/W */
 288 #define         AFC_CFG_FCBRD                   0x00000004  /* R/W */
 289 #define         AFC_CFG_FCADD                   0x00000002  /* R/W */
 290 #define         AFC_CFG_FCANY                   0x00000001  /* R/W */
 291
 292 #define E2P_CMD                                 0xB0
 293 #define         E2P_CMD_EPC_BUSY                0x80000000  /* Self Clearing */
 294 #define         E2P_CMD_EPC_CMD                 0x70000000  /* R/W */
 295 #define         E2P_CMD_EPC_CMD_READ            0x00000000  /* R/W */
 296 #define         E2P_CMD_EPC_CMD_EWDS            0x10000000  /* R/W */
 297 #define         E2P_CMD_EPC_CMD_EWEN            0x20000000  /* R/W */
 298 #define         E2P_CMD_EPC_CMD_WRITE           0x30000000  /* R/W */
 299 #define         E2P_CMD_EPC_CMD_WRAL            0x40000000  /* R/W */
 300 #define         E2P_CMD_EPC_CMD_ERASE           0x50000000  /* R/W */
 301 #define         E2P_CMD_EPC_CMD_ERAL            0x60000000  /* R/W */
 302 #define         E2P_CMD_EPC_CMD_RELOAD          0x70000000  /* R/W */
 303 #define         E2P_CMD_EPC_TIMEOUT             0x00000200  /* RO */
 304 #define         E2P_CMD_MAC_ADDR_LOADED         0x00000100  /* RO */
 305 #define         E2P_CMD_EPC_ADDR                0x000000FF  /* R/W */
 306
 307 #define E2P_DATA                                0xB4
 308 #define E2P_DATA_EEPROM_DATA                    0x000000FF  /* R/W */
 309 /* end of LAN register offsets and bit definitions */
 310
 311 /* MAC Control and Status registers */
 312 #define MAC_CR                  0x01  /* R/W */
 313
 314 /* MAC_CR - MAC Control Register */
 315 #define MAC_CR_RXALL                    0x80000000
 316 /* TODO: delete this bit? It is not described in the data sheet. */
 317 #define MAC_CR_HBDIS                    0x10000000
 318 #define MAC_CR_RCVOWN                   0x00800000
 319 #define MAC_CR_LOOPBK                   0x00200000
 320 #define MAC_CR_FDPX                     0x00100000
 321 #define MAC_CR_MCPAS                    0x00080000
 322 #define MAC_CR_PRMS                     0x00040000
 323 #define MAC_CR_INVFILT                  0x00020000
 324 #define MAC_CR_PASSBAD                  0x00010000
 325 #define MAC_CR_HFILT                    0x00008000
 326 #define MAC_CR_HPFILT                   0x00002000
 327 #define MAC_CR_LCOLL                    0x00001000
 328 #define MAC_CR_BCAST                    0x00000800
 329 #define MAC_CR_DISRTY                   0x00000400
 330 #define MAC_CR_PADSTR                   0x00000100
 331 #define MAC_CR_BOLMT_MASK               0x000000C0
 332 #define MAC_CR_DFCHK                    0x00000020
 333 #define MAC_CR_TXEN                     0x00000008
 334 #define MAC_CR_RXEN                     0x00000004
 335
 336 #define ADDRH                   0x02      /* R/W mask 0x0000FFFFUL */
 337 #define ADDRL                   0x03      /* R/W mask 0xFFFFFFFFUL */
 338 #define HASHH                   0x04      /* R/W */
 339 #define HASHL                   0x05      /* R/W */
 340
 341 #define MII_ACC                 0x06      /* R/W */
 342 #define MII_ACC_PHY_ADDR                0x0000F800
 343 #define MII_ACC_MIIRINDA                0x000007C0
 344 #define MII_ACC_MII_WRITE               0x00000002
 345 #define MII_ACC_MII_BUSY                0x00000001
 346
 347 #define MII_DATA                0x07      /* R/W mask 0x0000FFFFUL */
 348
 349 #define FLOW                    0x08      /* R/W */
 350 #define FLOW_FCPT                       0xFFFF0000
 351 #define FLOW_FCPASS                     0x00000004
 352 #define FLOW_FCEN                       0x00000002
 353 #define FLOW_FCBSY                      0x00000001
 354
 355 #define VLAN1                   0x09      /* R/W mask 0x0000FFFFUL */
 356 #define VLAN1_VTI1                      0x0000ffff
 357
 358 #define VLAN2                   0x0A      /* R/W mask 0x0000FFFFUL */
 359 #define VLAN2_VTI2                      0x0000ffff
 360
 361 #define WUFF                    0x0B      /* WO */
 362
 363 #define WUCSR                   0x0C      /* R/W */
 364 #define WUCSR_GUE                       0x00000200
 365 #define WUCSR_WUFR                      0x00000040
 366 #define WUCSR_MPR                       0x00000020
 367 #define WUCSR_WAKE_EN                   0x00000004
 368 #define WUCSR_MPEN                      0x00000002
 369
 370 /* Chip ID values */
 371 #define CHIP_89218      0x218a
 372 #define CHIP_9115       0x115
 373 #define CHIP_9116       0x116
 374 #define CHIP_9117       0x117
 375 #define CHIP_9118       0x118
 376 #define CHIP_9211       0x9211
 377 #define CHIP_9215       0x115a
 378 #define CHIP_9216       0x116a
 379 #define CHIP_9217       0x117a
 380 #define CHIP_9218       0x118a
 381 #define CHIP_9220       0x9220
 382 #define CHIP_9221       0x9221
 383
 384 struct chip_id {
 385         u16 id;
 386         char *name;
 387 };
 388
 389 static const struct chip_id chip_ids[] =  {
 390         { CHIP_89218, "LAN89218" },
 391         { CHIP_9115, "LAN9115" },
 392         { CHIP_9116, "LAN9116" },
 393         { CHIP_9117, "LAN9117" },
 394         { CHIP_9118, "LAN9118" },
 395         { CHIP_9211, "LAN9211" },
 396         { CHIP_9215, "LAN9215" },
 397         { CHIP_9216, "LAN9216" },
 398         { CHIP_9217, "LAN9217" },
 399         { CHIP_9218, "LAN9218" },
 400         { CHIP_9220, "LAN9220" },
 401         { CHIP_9221, "LAN9221" },
 402         { 0, NULL },
 403 };
 404
 405 static u32 smc911x_get_mac_csr(struct eth_device *dev, u8 reg)
 406 {
 407         while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
 408                 ;
 409         smc911x_reg_write(dev, MAC_CSR_CMD,
 410                         MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg);
 411         while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
 412                 ;
 413
 414         return smc911x_reg_read(dev, MAC_CSR_DATA);
 415 }
 416
 417 static void smc911x_set_mac_csr(struct eth_device *dev, u8 reg, u32 data)
 418 {
 419         while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
 420                 ;
 421         smc911x_reg_write(dev, MAC_CSR_DATA, data);
 422         smc911x_reg_write(dev, MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg);
 423         while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
 424                 ;
 425 }
 426
 427 static int smc911x_detect_chip(struct eth_device *dev)
 428 {
 429         unsigned long val, i;
 430
 431         val = smc911x_reg_read(dev, BYTE_TEST);
 432         if (val == 0xffffffff) {
 433                 /* Special case -- no chip present */
 434                 return -1;
 435         } else if (val != 0x87654321) {
 436                 printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
 437                 return -1;
 438         }
 439
 440         val = smc911x_reg_read(dev, ID_REV) >> 16;
 441         for (i = 0; chip_ids[i].id != 0; i++) {
 442                 if (chip_ids[i].id == val) break;
 443         }
 444         if (!chip_ids[i].id) {
 445                 printf(DRIVERNAME ": Unknown chip ID %04lx\n", val);
 446                 return -1;
 447         }
 448
 449         dev->priv = (void *)&chip_ids[i];
 450
 451         return 0;
 452 }
 453
 454 static void smc911x_reset(struct eth_device *dev)
 455 {
 456         int timeout;
 457
 458         /*
 459          *  Take out of PM setting first
 460          *  Device is already wake up if PMT_CTRL_READY bit is set
 461          */
 462         if ((smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY) == 0) {
 463                 /* Write to the bytetest will take out of powerdown */
 464                 smc911x_reg_write(dev, BYTE_TEST, 0x0);
 465
 466                 timeout = 10;
 467
 468                 while (timeout-- &&
 469                         !(smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY))
 470                         udelay(10);
 471                 if (timeout < 0) {
 472                         printf(DRIVERNAME
 473                                 ": timeout waiting for PM restore\n");
 474                         return;
 475                 }
 476         }
 477
 478         /* Disable interrupts */
 479         smc911x_reg_write(dev, INT_EN, 0);
 480
 481         smc911x_reg_write(dev, HW_CFG, HW_CFG_SRST);
 482
 483         timeout = 1000;
 484         while (timeout-- && smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY)
 485                 udelay(10);
 486
 487         if (timeout < 0) {
 488                 printf(DRIVERNAME ": reset timeout\n");
 489                 return;
 490         }
 491
 492         /* Reset the FIFO level and flow control settings */
 493         smc911x_set_mac_csr(dev, FLOW, FLOW_FCPT | FLOW_FCEN);
 494         smc911x_reg_write(dev, AFC_CFG, 0x0050287F);
 495
 496         /* Set to LED outputs */
 497         smc911x_reg_write(dev, GPIO_CFG, 0x70070000);
 498 }
 499
 500 #endif