drivers/net/ethernet/broadcom/bcm4908_enet.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #ifndef __BCM4908_ENET_H
   3 #define __BCM4908_ENET_H
   4
   5 #define ENET_CONTROL                                    0x000
   6 #define ENET_MIB_CTRL                                   0x004
   7 #define  ENET_MIB_CTRL_CLR_MIB                          0x00000001
   8 #define ENET_RX_ERR_MASK                                0x008
   9 #define ENET_MIB_MAX_PKT_SIZE                           0x00C
  10 #define  ENET_MIB_MAX_PKT_SIZE_VAL                      0x00003fff
  11 #define ENET_DIAG_OUT                                   0x01c
  12 #define ENET_ENABLE_DROP_PKT                            0x020
  13 #define ENET_IRQ_ENABLE                                 0x024
  14 #define  ENET_IRQ_ENABLE_OVFL                           0x00000001
  15 #define ENET_GMAC_STATUS                                0x028
  16 #define  ENET_GMAC_STATUS_ETH_SPEED_MASK                0x00000003
  17 #define  ENET_GMAC_STATUS_ETH_SPEED_10                  0x00000000
  18 #define  ENET_GMAC_STATUS_ETH_SPEED_100                 0x00000001
  19 #define  ENET_GMAC_STATUS_ETH_SPEED_1000                0x00000002
  20 #define  ENET_GMAC_STATUS_HD                            0x00000004
  21 #define  ENET_GMAC_STATUS_AUTO_CFG_EN                   0x00000008
  22 #define  ENET_GMAC_STATUS_LINK_UP                       0x00000010
  23 #define ENET_IRQ_STATUS                                 0x02c
  24 #define  ENET_IRQ_STATUS_OVFL                           0x00000001
  25 #define ENET_OVERFLOW_COUNTER                           0x030
  26 #define ENET_FLUSH                                      0x034
  27 #define  ENET_FLUSH_RXFIFO_FLUSH                        0x00000001
  28 #define  ENET_FLUSH_TXFIFO_FLUSH                        0x00000002
  29 #define ENET_RSV_SELECT                                 0x038
  30 #define ENET_BP_FORCE                                   0x03c
  31 #define  ENET_BP_FORCE_FORCE                            0x00000001
  32 #define ENET_DMA_RX_OK_TO_SEND_COUNT                    0x040
  33 #define  ENET_DMA_RX_OK_TO_SEND_COUNT_VAL               0x0000000f
  34 #define ENET_TX_CRC_CTRL                                0x044
  35 #define ENET_MIB                                        0x200
  36 #define ENET_UNIMAC                                     0x400
  37 #define ENET_DMA                                        0x800
  38 #define ENET_DMA_CONTROLLER_CFG                         0x800
  39 #define  ENET_DMA_CTRL_CFG_MASTER_EN                    0x00000001
  40 #define  ENET_DMA_CTRL_CFG_FLOWC_CH1_EN                 0x00000002
  41 #define  ENET_DMA_CTRL_CFG_FLOWC_CH3_EN                 0x00000004
  42 #define ENET_DMA_FLOWCTL_CH1_THRESH_LO                  0x804
  43 #define ENET_DMA_FLOWCTL_CH1_THRESH_HI                  0x808
  44 #define ENET_DMA_FLOWCTL_CH1_ALLOC                      0x80c
  45 #define  ENET_DMA_FLOWCTL_CH1_ALLOC_FORCE               0x80000000
  46 #define ENET_DMA_FLOWCTL_CH3_THRESH_LO                  0x810
  47 #define ENET_DMA_FLOWCTL_CH3_THRESH_HI                  0x814
  48 #define ENET_DMA_FLOWCTL_CH3_ALLOC                      0x818
  49 #define ENET_DMA_FLOWCTL_CH5_THRESH_LO                  0x81C
  50 #define ENET_DMA_FLOWCTL_CH5_THRESH_HI                  0x820
  51 #define ENET_DMA_FLOWCTL_CH5_ALLOC                      0x824
  52 #define ENET_DMA_FLOWCTL_CH7_THRESH_LO                  0x828
  53 #define ENET_DMA_FLOWCTL_CH7_THRESH_HI                  0x82C
  54 #define ENET_DMA_FLOWCTL_CH7_ALLOC                      0x830
  55 #define ENET_DMA_CTRL_CHANNEL_RESET                     0x834
  56 #define ENET_DMA_CTRL_CHANNEL_DEBUG                     0x838
  57 #define ENET_DMA_CTRL_GLOBAL_INTERRUPT_STATUS           0x840
  58 #define ENET_DMA_CTRL_GLOBAL_INTERRUPT_MASK             0x844
  59 #define ENET_DMA_CH0_CFG                                0xa00           /* RX */
  60 #define ENET_DMA_CH1_CFG                                0xa10           /* TX */
  61 #define ENET_DMA_CH0_STATE_RAM                          0xc00           /* RX */
  62 #define ENET_DMA_CH1_STATE_RAM                          0xc10           /* TX */
  63
  64 #define ENET_DMA_CH_CFG                                 0x00            /* assorted configuration */
  65 #define  ENET_DMA_CH_CFG_ENABLE                         0x00000001      /* set to enable channel */
  66 #define  ENET_DMA_CH_CFG_PKT_HALT                       0x00000002      /* idle after an EOP flag is detected */
  67 #define  ENET_DMA_CH_CFG_BURST_HALT                     0x00000004      /* idle after finish current memory burst */
  68 #define ENET_DMA_CH_CFG_INT_STAT                        0x04            /* interrupts control and status */
  69 #define ENET_DMA_CH_CFG_INT_MASK                        0x08            /* interrupts mask */
  70 #define  ENET_DMA_CH_CFG_INT_BUFF_DONE                  0x00000001      /* buffer done */
  71 #define  ENET_DMA_CH_CFG_INT_DONE                       0x00000002      /* packet xfer complete */
  72 #define  ENET_DMA_CH_CFG_INT_NO_DESC                    0x00000004      /* no valid descriptors */
  73 #define  ENET_DMA_CH_CFG_INT_RX_ERROR                   0x00000008      /* rxdma detect client protocol error */
  74 #define ENET_DMA_CH_CFG_MAX_BURST                       0x0c            /* max burst length permitted */
  75 #define  ENET_DMA_CH_CFG_MAX_BURST_DESCSIZE_SEL         0x00040000      /* DMA Descriptor Size Selection */
  76 #define ENET_DMA_CH_CFG_SIZE                            0x10
  77
  78 #define ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR             0x00            /* descriptor ring start address */
  79 #define ENET_DMA_CH_STATE_RAM_STATE_DATA                0x04            /* state/bytes done/ring offset */
  80 #define ENET_DMA_CH_STATE_RAM_DESC_LEN_STATUS           0x08            /* buffer descriptor status and len */
  81 #define ENET_DMA_CH_STATE_RAM_DESC_BASE_BUFPTR          0x0c            /* buffer descrpitor current processing */
  82 #define ENET_DMA_CH_STATE_RAM_SIZE                      0x10
  83
  84 #define DMA_CTL_STATUS_APPEND_CRC                       0x00000100
  85 #define DMA_CTL_STATUS_APPEND_BRCM_TAG                  0x00000200
  86 #define DMA_CTL_STATUS_PRIO                             0x00000C00  /* Prio for Tx */
  87 #define DMA_CTL_STATUS_WRAP                             0x00001000  /* */
  88 #define DMA_CTL_STATUS_SOP                              0x00002000  /* first buffer in packet */
  89 #define DMA_CTL_STATUS_EOP                              0x00004000  /* last buffer in packet */
  90 #define DMA_CTL_STATUS_OWN                              0x00008000  /* cleared by DMA, set by SW */
  91 #define DMA_CTL_LEN_DESC_BUFLENGTH                      0x0fff0000
  92 #define DMA_CTL_LEN_DESC_BUFLENGTH_SHIFT                16
  93 #define DMA_CTL_LEN_DESC_MULTICAST                      0x40000000
  94 #define DMA_CTL_LEN_DESC_USEFPM                         0x80000000
  95
  96 #endif