release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/octeon/cvmx-config.h

   1 #ifndef __CVMX_CONFIG_H__
   2 #define __CVMX_CONFIG_H__
   3
   4 /************************* Config Specific Defines ************************/
   5 #define CVMX_LLM_NUM_PORTS 1
   6 #define CVMX_NULL_POINTER_PROTECT 1
   7 #define CVMX_ENABLE_DEBUG_PRINTS 1
   8 /* PKO queues per port for interface 0 (ports 0-15) */
   9 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1
  10 /* PKO queues per port for interface 1 (ports 16-31) */
  11 #define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1
  12 /* Limit on the number of PKO ports enabled for interface 0 */
  13 #define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0
  14 /* Limit on the number of PKO ports enabled for interface 1 */
  15 #define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1
  16 /* PKO queues per port for PCI (ports 32-35) */
  17 #define CVMX_PKO_QUEUES_PER_PORT_PCI 1
  18 /* PKO queues per port for Loop devices (ports 36-39) */
  19 #define CVMX_PKO_QUEUES_PER_PORT_LOOP 1
  20
  21 /************************* FPA allocation *********************************/
  22 /* Pool sizes in bytes, must be multiple of a cache line */
  23 #define CVMX_FPA_POOL_0_SIZE (16 * CVMX_CACHE_LINE_SIZE)
  24 #define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE)
  25 #define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE)
  26 #define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  27 #define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  28 #define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  29 #define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  30 #define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE)
  31
  32 /* Pools in use */
  33 /* Packet buffers */
  34 #define CVMX_FPA_PACKET_POOL                (0)
  35 #define CVMX_FPA_PACKET_POOL_SIZE           CVMX_FPA_POOL_0_SIZE
  36 /* Work queue entrys */
  37 #define CVMX_FPA_WQE_POOL                   (1)
  38 #define CVMX_FPA_WQE_POOL_SIZE              CVMX_FPA_POOL_1_SIZE
  39 /* PKO queue command buffers */
  40 #define CVMX_FPA_OUTPUT_BUFFER_POOL         (2)
  41 #define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE    CVMX_FPA_POOL_2_SIZE
  42
  43 /*************************  FAU allocation ********************************/
  44 /* The fetch and add registers are allocated here.  They are arranged
  45  * in order of descending size so that all alignment constraints are
  46  * automatically met.  The enums are linked so that the following enum
  47  * continues allocating where the previous one left off, so the
  48  * numbering within each enum always starts with zero.  The macros
  49  * take care of the address increment size, so the values entered
  50  * always increase by 1.  FAU registers are accessed with byte
  51  * addresses.
  52  */
  53
  54 #define CVMX_FAU_REG_64_ADDR(x) ((x << 3) + CVMX_FAU_REG_64_START)
  55 typedef enum {
  56         CVMX_FAU_REG_64_START   = 0,
  57         CVMX_FAU_REG_64_END     = CVMX_FAU_REG_64_ADDR(0),
  58 } cvmx_fau_reg_64_t;
  59
  60 #define CVMX_FAU_REG_32_ADDR(x) ((x << 2) + CVMX_FAU_REG_32_START)
  61 typedef enum {
  62         CVMX_FAU_REG_32_START   = CVMX_FAU_REG_64_END,
  63         CVMX_FAU_REG_32_END     = CVMX_FAU_REG_32_ADDR(0),
  64 } cvmx_fau_reg_32_t;
  65
  66 #define CVMX_FAU_REG_16_ADDR(x) ((x << 1) + CVMX_FAU_REG_16_START)
  67 typedef enum {
  68         CVMX_FAU_REG_16_START   = CVMX_FAU_REG_32_END,
  69         CVMX_FAU_REG_16_END     = CVMX_FAU_REG_16_ADDR(0),
  70 } cvmx_fau_reg_16_t;
  71
  72 #define CVMX_FAU_REG_8_ADDR(x) ((x) + CVMX_FAU_REG_8_START)
  73 typedef enum {
  74         CVMX_FAU_REG_8_START    = CVMX_FAU_REG_16_END,
  75         CVMX_FAU_REG_8_END      = CVMX_FAU_REG_8_ADDR(0),
  76 } cvmx_fau_reg_8_t;
  77
  78 /*
  79  * The name CVMX_FAU_REG_AVAIL_BASE is provided to indicate the first
  80  * available FAU address that is not allocated in cvmx-config.h. This
  81  * is 64 bit aligned.
  82  */
  83 #define CVMX_FAU_REG_AVAIL_BASE ((CVMX_FAU_REG_8_END + 0x7) & (~0x7ULL))
  84 #define CVMX_FAU_REG_END (2048)
  85
  86 /********************** scratch memory allocation *************************/
  87 /* Scratchpad memory allocation.  Note that these are byte memory
  88  * addresses.  Some uses of scratchpad (IOBDMA for example) require
  89  * the use of 8-byte aligned addresses, so proper alignment needs to
  90  * be taken into account.
  91  */
  92 /* Generic scratch iobdma area */
  93 #define CVMX_SCR_SCRATCH               (0)
  94 /* First location available after cvmx-config.h allocated region. */
  95 #define CVMX_SCR_REG_AVAIL_BASE        (8)
  96
  97 /*
  98  * CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve
  99  * before the beginning of the packet. If necessary, override the
 100  * default here.  See the IPD section of the hardware manual for MBUFF
 101  * SKIP details.
 102  */
 103 #define CVMX_HELPER_FIRST_MBUFF_SKIP 184
 104
 105 /*
 106  * CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve
 107  * in each chained packet element. If necessary, override the default
 108  * here.
 109  */
 110 #define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0
 111
 112 /*
 113  * CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is
 114  * enabled for all input ports. This controls if IPD sends
 115  * backpressure to all ports if Octeon's FPA pools don't have enough
 116  * packet or work queue entries. Even when this is off, it is still
 117  * possible to get backpressure from individual hardware ports. When
 118  * configuring backpressure, also check
 119  * CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override
 120  * the default here.
 121  */
 122 #define CVMX_HELPER_ENABLE_BACK_PRESSURE 1
 123
 124 /*
 125  * CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper
 126  * function. Once it is enabled the hardware starts accepting
 127  * packets. You might want to skip the IPD enable if configuration
 128  * changes are need from the default helper setup. If necessary,
 129  * override the default here.
 130  */
 131 #define CVMX_HELPER_ENABLE_IPD 0
 132
 133 /*
 134  * CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns
 135  * to incoming packets.
 136  */
 137 #define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED
 138
 139 #define CVMX_ENABLE_PARAMETER_CHECKING 0
 140
 141 /*
 142  * The following select which fields are used by the PIP to generate
 143  * the tag on INPUT
 144  * 0: don't include
 145  * 1: include
 146  */
 147 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP       0
 148 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP       0
 149 #define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT     0
 150 #define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT     0
 151 #define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER  0
 152 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP       0
 153 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP       0
 154 #define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT     0
 155 #define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT     0
 156 #define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL     0
 157 #define CVMX_HELPER_INPUT_TAG_INPUT_PORT        1
 158
 159 /* Select skip mode for input ports */
 160 #define CVMX_HELPER_INPUT_PORT_SKIP_MODE        CVMX_PIP_PORT_CFG_MODE_SKIPL2
 161
 162 /*
 163  * Force backpressure to be disabled.  This overrides all other
 164  * backpressure configuration.
 165  */
 166 #define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 0
 167
 168 #endif /* __CVMX_CONFIG_H__ */