root/drivers/net/ethernet/smsc/smsc9420.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2  /***************************************************************************
   3  *
   4  * Copyright (C) 2007,2008  SMSC
   5  *
   6  ***************************************************************************
   7  */
   8 
   9 #ifndef _SMSC9420_H
  10 #define _SMSC9420_H
  11 
  12 #define TX_RING_SIZE                    (32)
  13 #define RX_RING_SIZE                    (128)
  14 
  15 /* interrupt deassertion in multiples of 10us */
  16 #define INT_DEAS_TIME                   (50)
  17 
  18 #define NAPI_WEIGHT                     (64)
  19 #define SMSC_BAR                        (3)
  20 
  21 #ifdef __BIG_ENDIAN
  22 /* Register set is duplicated for BE at an offset of 0x200 */
  23 #define LAN9420_CPSR_ENDIAN_OFFSET      (0x200)
  24 #else
  25 #define LAN9420_CPSR_ENDIAN_OFFSET      (0)
  26 #endif
  27 
  28 #define PCI_VENDOR_ID_9420              (0x1055)
  29 #define PCI_DEVICE_ID_9420              (0xE420)
  30 
  31 #define LAN_REGISTER_EXTENT             (0x400)
  32 
  33 #define SMSC9420_EEPROM_SIZE            ((u32)11)
  34 #define SMSC9420_EEPROM_MAGIC           (0x9420)
  35 
  36 #define PKT_BUF_SZ                      (VLAN_ETH_FRAME_LEN + NET_IP_ALIGN + 4)
  37 
  38 /***********************************************/
  39 /* DMA Controller Control and Status Registers */
  40 /***********************************************/
  41 #define BUS_MODE                        (0x00)
  42 #define BUS_MODE_SWR_                   (BIT(0))
  43 #define BUS_MODE_DMA_BURST_LENGTH_1     (BIT(8))
  44 #define BUS_MODE_DMA_BURST_LENGTH_2     (BIT(9))
  45 #define BUS_MODE_DMA_BURST_LENGTH_4     (BIT(10))
  46 #define BUS_MODE_DMA_BURST_LENGTH_8     (BIT(11))
  47 #define BUS_MODE_DMA_BURST_LENGTH_16    (BIT(12))
  48 #define BUS_MODE_DMA_BURST_LENGTH_32    (BIT(13))
  49 #define BUS_MODE_DBO_                   (BIT(20))
  50 
  51 #define TX_POLL_DEMAND                  (0x04)
  52 
  53 #define RX_POLL_DEMAND                  (0x08)
  54 
  55 #define RX_BASE_ADDR                    (0x0C)
  56 
  57 #define TX_BASE_ADDR                    (0x10)
  58 
  59 #define DMAC_STATUS                     (0x14)
  60 #define DMAC_STS_TS_                    (7 << 20)
  61 #define DMAC_STS_RS_                    (7 << 17)
  62 #define DMAC_STS_NIS_                   (BIT(16))
  63 #define DMAC_STS_AIS_                   (BIT(15))
  64 #define DMAC_STS_RWT_                   (BIT(9))
  65 #define DMAC_STS_RXPS_                  (BIT(8))
  66 #define DMAC_STS_RXBU_                  (BIT(7))
  67 #define DMAC_STS_RX_                    (BIT(6))
  68 #define DMAC_STS_TXUNF_                 (BIT(5))
  69 #define DMAC_STS_TXBU_                  (BIT(2))
  70 #define DMAC_STS_TXPS_                  (BIT(1))
  71 #define DMAC_STS_TX_                    (BIT(0))
  72 
  73 #define DMAC_CONTROL                    (0x18)
  74 #define DMAC_CONTROL_TTM_               (BIT(22))
  75 #define DMAC_CONTROL_SF_                (BIT(21))
  76 #define DMAC_CONTROL_ST_                (BIT(13))
  77 #define DMAC_CONTROL_OSF_               (BIT(2))
  78 #define DMAC_CONTROL_SR_                (BIT(1))
  79 
  80 #define DMAC_INTR_ENA                   (0x1C)
  81 #define DMAC_INTR_ENA_NIS_              (BIT(16))
  82 #define DMAC_INTR_ENA_AIS_              (BIT(15))
  83 #define DMAC_INTR_ENA_RWT_              (BIT(9))
  84 #define DMAC_INTR_ENA_RXPS_             (BIT(8))
  85 #define DMAC_INTR_ENA_RXBU_             (BIT(7))
  86 #define DMAC_INTR_ENA_RX_               (BIT(6))
  87 #define DMAC_INTR_ENA_TXBU_             (BIT(2))
  88 #define DMAC_INTR_ENA_TXPS_             (BIT(1))
  89 #define DMAC_INTR_ENA_TX_               (BIT(0))
  90 
  91 #define MISS_FRAME_CNTR                 (0x20)
  92 
  93 #define TX_BUFF_ADDR                    (0x50)
  94 
  95 #define RX_BUFF_ADDR                    (0x54)
  96 
  97 /* Transmit Descriptor Bit Defs */
  98 #define TDES0_OWN_                      (0x80000000)
  99 #define TDES0_ERROR_SUMMARY_            (0x00008000)
 100 #define TDES0_LOSS_OF_CARRIER_          (0x00000800)
 101 #define TDES0_NO_CARRIER_               (0x00000400)
 102 #define TDES0_LATE_COLLISION_           (0x00000200)
 103 #define TDES0_EXCESSIVE_COLLISIONS_     (0x00000100)
 104 #define TDES0_HEARTBEAT_FAIL_           (0x00000080)
 105 #define TDES0_COLLISION_COUNT_MASK_     (0x00000078)
 106 #define TDES0_COLLISION_COUNT_SHFT_     (3)
 107 #define TDES0_EXCESSIVE_DEFERRAL_       (0x00000004)
 108 #define TDES0_DEFERRED_                 (0x00000001)
 109 
 110 #define TDES1_IC_                       0x80000000
 111 #define TDES1_LS_                       0x40000000
 112 #define TDES1_FS_                       0x20000000
 113 #define TDES1_TXCSEN_                   0x08000000
 114 #define TDES1_TER_                      (BIT(25))
 115 #define TDES1_TCH_                      0x01000000
 116 
 117 /* Receive Descriptor 0 Bit Defs */
 118 #define RDES0_OWN_                      (0x80000000)
 119 #define RDES0_FRAME_LENGTH_MASK_        (0x07FF0000)
 120 #define RDES0_FRAME_LENGTH_SHFT_        (16)
 121 #define RDES0_ERROR_SUMMARY_            (0x00008000)
 122 #define RDES0_DESCRIPTOR_ERROR_         (0x00004000)
 123 #define RDES0_LENGTH_ERROR_             (0x00001000)
 124 #define RDES0_RUNT_FRAME_               (0x00000800)
 125 #define RDES0_MULTICAST_FRAME_          (0x00000400)
 126 #define RDES0_FIRST_DESCRIPTOR_         (0x00000200)
 127 #define RDES0_LAST_DESCRIPTOR_          (0x00000100)
 128 #define RDES0_FRAME_TOO_LONG_           (0x00000080)
 129 #define RDES0_COLLISION_SEEN_           (0x00000040)
 130 #define RDES0_FRAME_TYPE_               (0x00000020)
 131 #define RDES0_WATCHDOG_TIMEOUT_         (0x00000010)
 132 #define RDES0_MII_ERROR_                (0x00000008)
 133 #define RDES0_DRIBBLING_BIT_            (0x00000004)
 134 #define RDES0_CRC_ERROR_                (0x00000002)
 135 
 136 /* Receive Descriptor 1 Bit Defs */
 137 #define RDES1_RER_                      (0x02000000)
 138 
 139 /***********************************************/
 140 /*       MAC Control and Status Registers      */
 141 /***********************************************/
 142 #define MAC_CR                          (0x80)
 143 #define MAC_CR_RXALL_                   (0x80000000)
 144 #define MAC_CR_DIS_RXOWN_               (0x00800000)
 145 #define MAC_CR_LOOPBK_                  (0x00200000)
 146 #define MAC_CR_FDPX_                    (0x00100000)
 147 #define MAC_CR_MCPAS_                   (0x00080000)
 148 #define MAC_CR_PRMS_                    (0x00040000)
 149 #define MAC_CR_INVFILT_                 (0x00020000)
 150 #define MAC_CR_PASSBAD_                 (0x00010000)
 151 #define MAC_CR_HFILT_                   (0x00008000)
 152 #define MAC_CR_HPFILT_                  (0x00002000)
 153 #define MAC_CR_LCOLL_                   (0x00001000)
 154 #define MAC_CR_DIS_BCAST_               (0x00000800)
 155 #define MAC_CR_DIS_RTRY_                (0x00000400)
 156 #define MAC_CR_PADSTR_                  (0x00000100)
 157 #define MAC_CR_BOLMT_MSK                (0x000000C0)
 158 #define MAC_CR_MFCHK_                   (0x00000020)
 159 #define MAC_CR_TXEN_                    (0x00000008)
 160 #define MAC_CR_RXEN_                    (0x00000004)
 161 
 162 #define ADDRH                           (0x84)
 163 
 164 #define ADDRL                           (0x88)
 165 
 166 #define HASHH                           (0x8C)
 167 
 168 #define HASHL                           (0x90)
 169 
 170 #define MII_ACCESS                      (0x94)
 171 #define MII_ACCESS_MII_BUSY_            (0x00000001)
 172 #define MII_ACCESS_MII_WRITE_           (0x00000002)
 173 #define MII_ACCESS_MII_READ_            (0x00000000)
 174 #define MII_ACCESS_INDX_MSK_            (0x000007C0)
 175 #define MII_ACCESS_PHYADDR_MSK_         (0x0000F8C0)
 176 #define MII_ACCESS_INDX_SHFT_CNT        (6)
 177 #define MII_ACCESS_PHYADDR_SHFT_CNT     (11)
 178 
 179 #define MII_DATA                        (0x98)
 180 
 181 #define FLOW                            (0x9C)
 182 
 183 #define VLAN1                           (0xA0)
 184 
 185 #define VLAN2                           (0xA4)
 186 
 187 #define WUFF                            (0xA8)
 188 
 189 #define WUCSR                           (0xAC)
 190 
 191 #define COE_CR                          (0xB0)
 192 #define TX_COE_EN                       (0x00010000)
 193 #define RX_COE_MODE                     (0x00000002)
 194 #define RX_COE_EN                       (0x00000001)
 195 
 196 /***********************************************/
 197 /*     System Control and Status Registers     */
 198 /***********************************************/
 199 #define ID_REV                          (0xC0)
 200 
 201 #define INT_CTL                         (0xC4)
 202 #define INT_CTL_SW_INT_EN_              (0x00008000)
 203 #define INT_CTL_SBERR_INT_EN_           (1 << 12)
 204 #define INT_CTL_MBERR_INT_EN_           (1 << 13)
 205 #define INT_CTL_GPT_INT_EN_             (0x00000008)
 206 #define INT_CTL_PHY_INT_EN_             (0x00000004)
 207 #define INT_CTL_WAKE_INT_EN_            (0x00000002)
 208 
 209 #define INT_STAT                        (0xC8)
 210 #define INT_STAT_SW_INT_                (1 << 15)
 211 #define INT_STAT_MBERR_INT_             (1 << 13)
 212 #define INT_STAT_SBERR_INT_             (1 << 12)
 213 #define INT_STAT_GPT_INT_               (1 << 3)
 214 #define INT_STAT_PHY_INT_               (0x00000004)
 215 #define INT_STAT_WAKE_INT_              (0x00000002)
 216 #define INT_STAT_DMAC_INT_              (0x00000001)
 217 
 218 #define INT_CFG                         (0xCC)
 219 #define INT_CFG_IRQ_INT_                (0x00080000)
 220 #define INT_CFG_IRQ_EN_                 (0x00040000)
 221 #define INT_CFG_INT_DEAS_CLR_           (0x00000200)
 222 #define INT_CFG_INT_DEAS_MASK           (0x000000FF)
 223 
 224 #define GPIO_CFG                        (0xD0)
 225 #define GPIO_CFG_LED_3_                 (0x40000000)
 226 #define GPIO_CFG_LED_2_                 (0x20000000)
 227 #define GPIO_CFG_LED_1_                 (0x10000000)
 228 #define GPIO_CFG_EEPR_EN_               (0x00700000)
 229 
 230 #define GPT_CFG                         (0xD4)
 231 #define GPT_CFG_TIMER_EN_               (0x20000000)
 232 
 233 #define GPT_CNT                         (0xD8)
 234 
 235 #define BUS_CFG                         (0xDC)
 236 #define BUS_CFG_RXTXWEIGHT_1_1          (0 << 25)
 237 #define BUS_CFG_RXTXWEIGHT_2_1          (1 << 25)
 238 #define BUS_CFG_RXTXWEIGHT_3_1          (2 << 25)
 239 #define BUS_CFG_RXTXWEIGHT_4_1          (3 << 25)
 240 
 241 #define PMT_CTRL                        (0xE0)
 242 
 243 #define FREE_RUN                        (0xF4)
 244 
 245 #define E2P_CMD                         (0xF8)
 246 #define E2P_CMD_EPC_BUSY_               (0x80000000)
 247 #define E2P_CMD_EPC_CMD_                (0x70000000)
 248 #define E2P_CMD_EPC_CMD_READ_           (0x00000000)
 249 #define E2P_CMD_EPC_CMD_EWDS_           (0x10000000)
 250 #define E2P_CMD_EPC_CMD_EWEN_           (0x20000000)
 251 #define E2P_CMD_EPC_CMD_WRITE_          (0x30000000)
 252 #define E2P_CMD_EPC_CMD_WRAL_           (0x40000000)
 253 #define E2P_CMD_EPC_CMD_ERASE_          (0x50000000)
 254 #define E2P_CMD_EPC_CMD_ERAL_           (0x60000000)
 255 #define E2P_CMD_EPC_CMD_RELOAD_         (0x70000000)
 256 #define E2P_CMD_EPC_TIMEOUT_            (0x00000200)
 257 #define E2P_CMD_MAC_ADDR_LOADED_        (0x00000100)
 258 #define E2P_CMD_EPC_ADDR_               (0x000000FF)
 259 
 260 #define E2P_DATA                        (0xFC)
 261 #define E2P_DATA_EEPROM_DATA_           (0x000000FF)
 262 
 263 #endif /* _SMSC9420_H */

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