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Diffstat (limited to '')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-config.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-config.h b/arch/mips/include/asm/octeon/cvmx-config.h new file mode 100644 index 000000000..a8c358c02 --- /dev/null +++ b/arch/mips/include/asm/octeon/cvmx-config.h @@ -0,0 +1,169 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __CVMX_CONFIG_H__ +#define __CVMX_CONFIG_H__ + +/************************* Config Specific Defines ************************/ +#define CVMX_LLM_NUM_PORTS 1 +#define CVMX_NULL_POINTER_PROTECT 1 +#define CVMX_ENABLE_DEBUG_PRINTS 1 +/* PKO queues per port for interface 0 (ports 0-15) */ +#define CVMX_PKO_QUEUES_PER_PORT_INTERFACE0 1 +/* PKO queues per port for interface 1 (ports 16-31) */ +#define CVMX_PKO_QUEUES_PER_PORT_INTERFACE1 1 +/* Limit on the number of PKO ports enabled for interface 0 */ +#define CVMX_PKO_MAX_PORTS_INTERFACE0 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE0 +/* Limit on the number of PKO ports enabled for interface 1 */ +#define CVMX_PKO_MAX_PORTS_INTERFACE1 CVMX_HELPER_PKO_MAX_PORTS_INTERFACE1 +/* PKO queues per port for PCI (ports 32-35) */ +#define CVMX_PKO_QUEUES_PER_PORT_PCI 1 +/* PKO queues per port for Loop devices (ports 36-39) */ +#define CVMX_PKO_QUEUES_PER_PORT_LOOP 1 + +/************************* FPA allocation *********************************/ +/* Pool sizes in bytes, must be multiple of a cache line */ +#define CVMX_FPA_POOL_0_SIZE (16 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_1_SIZE (1 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_2_SIZE (8 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_3_SIZE (0 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_4_SIZE (0 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_5_SIZE (0 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_6_SIZE (0 * CVMX_CACHE_LINE_SIZE) +#define CVMX_FPA_POOL_7_SIZE (0 * CVMX_CACHE_LINE_SIZE) + +/* Pools in use */ +/* Packet buffers */ +#define CVMX_FPA_PACKET_POOL (0) +#define CVMX_FPA_PACKET_POOL_SIZE CVMX_FPA_POOL_0_SIZE +/* Work queue entries */ +#define CVMX_FPA_WQE_POOL (1) +#define CVMX_FPA_WQE_POOL_SIZE CVMX_FPA_POOL_1_SIZE +/* PKO queue command buffers */ +#define CVMX_FPA_OUTPUT_BUFFER_POOL (2) +#define CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE CVMX_FPA_POOL_2_SIZE + +/************************* FAU allocation ********************************/ +/* The fetch and add registers are allocated here. They are arranged + * in order of descending size so that all alignment constraints are + * automatically met. The enums are linked so that the following enum + * continues allocating where the previous one left off, so the + * numbering within each enum always starts with zero. The macros + * take care of the address increment size, so the values entered + * always increase by 1. FAU registers are accessed with byte + * addresses. + */ + +#define CVMX_FAU_REG_64_ADDR(x) ((x << 3) + CVMX_FAU_REG_64_START) +typedef enum { + CVMX_FAU_REG_64_START = 0, + CVMX_FAU_REG_64_END = CVMX_FAU_REG_64_ADDR(0), +} cvmx_fau_reg_64_t; + +#define CVMX_FAU_REG_32_ADDR(x) ((x << 2) + CVMX_FAU_REG_32_START) +typedef enum { + CVMX_FAU_REG_32_START = CVMX_FAU_REG_64_END, + CVMX_FAU_REG_32_END = CVMX_FAU_REG_32_ADDR(0), +} cvmx_fau_reg_32_t; + +#define CVMX_FAU_REG_16_ADDR(x) ((x << 1) + CVMX_FAU_REG_16_START) +typedef enum { + CVMX_FAU_REG_16_START = CVMX_FAU_REG_32_END, + CVMX_FAU_REG_16_END = CVMX_FAU_REG_16_ADDR(0), +} cvmx_fau_reg_16_t; + +#define CVMX_FAU_REG_8_ADDR(x) ((x) + CVMX_FAU_REG_8_START) +typedef enum { + CVMX_FAU_REG_8_START = CVMX_FAU_REG_16_END, + CVMX_FAU_REG_8_END = CVMX_FAU_REG_8_ADDR(0), +} cvmx_fau_reg_8_t; + +/* + * The name CVMX_FAU_REG_AVAIL_BASE is provided to indicate the first + * available FAU address that is not allocated in cvmx-config.h. This + * is 64 bit aligned. + */ +#define CVMX_FAU_REG_AVAIL_BASE ((CVMX_FAU_REG_8_END + 0x7) & (~0x7ULL)) +#define CVMX_FAU_REG_END (2048) + +/********************** scratch memory allocation *************************/ +/* Scratchpad memory allocation. Note that these are byte memory + * addresses. Some uses of scratchpad (IOBDMA for example) require + * the use of 8-byte aligned addresses, so proper alignment needs to + * be taken into account. + */ +/* Generic scratch iobdma area */ +#define CVMX_SCR_SCRATCH (0) +/* First location available after cvmx-config.h allocated region. */ +#define CVMX_SCR_REG_AVAIL_BASE (8) + +/* + * CVMX_HELPER_FIRST_MBUFF_SKIP is the number of bytes to reserve + * before the beginning of the packet. If necessary, override the + * default here. See the IPD section of the hardware manual for MBUFF + * SKIP details. + */ +#define CVMX_HELPER_FIRST_MBUFF_SKIP 184 + +/* + * CVMX_HELPER_NOT_FIRST_MBUFF_SKIP is the number of bytes to reserve + * in each chained packet element. If necessary, override the default + * here. + */ +#define CVMX_HELPER_NOT_FIRST_MBUFF_SKIP 0 + +/* + * CVMX_HELPER_ENABLE_BACK_PRESSURE controls whether back pressure is + * enabled for all input ports. This controls if IPD sends + * backpressure to all ports if Octeon's FPA pools don't have enough + * packet or work queue entries. Even when this is off, it is still + * possible to get backpressure from individual hardware ports. When + * configuring backpressure, also check + * CVMX_HELPER_DISABLE_*_BACKPRESSURE below. If necessary, override + * the default here. + */ +#define CVMX_HELPER_ENABLE_BACK_PRESSURE 1 + +/* + * CVMX_HELPER_ENABLE_IPD controls if the IPD is enabled in the helper + * function. Once it is enabled the hardware starts accepting + * packets. You might want to skip the IPD enable if configuration + * changes are need from the default helper setup. If necessary, + * override the default here. + */ +#define CVMX_HELPER_ENABLE_IPD 0 + +/* + * CVMX_HELPER_INPUT_TAG_TYPE selects the type of tag that the IPD assigns + * to incoming packets. + */ +#define CVMX_HELPER_INPUT_TAG_TYPE CVMX_POW_TAG_TYPE_ORDERED + +#define CVMX_ENABLE_PARAMETER_CHECKING 0 + +/* + * The following select which fields are used by the PIP to generate + * the tag on INPUT + * 0: don't include + * 1: include + */ +#define CVMX_HELPER_INPUT_TAG_IPV6_SRC_IP 0 +#define CVMX_HELPER_INPUT_TAG_IPV6_DST_IP 0 +#define CVMX_HELPER_INPUT_TAG_IPV6_SRC_PORT 0 +#define CVMX_HELPER_INPUT_TAG_IPV6_DST_PORT 0 +#define CVMX_HELPER_INPUT_TAG_IPV6_NEXT_HEADER 0 +#define CVMX_HELPER_INPUT_TAG_IPV4_SRC_IP 0 +#define CVMX_HELPER_INPUT_TAG_IPV4_DST_IP 0 +#define CVMX_HELPER_INPUT_TAG_IPV4_SRC_PORT 0 +#define CVMX_HELPER_INPUT_TAG_IPV4_DST_PORT 0 +#define CVMX_HELPER_INPUT_TAG_IPV4_PROTOCOL 0 +#define CVMX_HELPER_INPUT_TAG_INPUT_PORT 1 + +/* Select skip mode for input ports */ +#define CVMX_HELPER_INPUT_PORT_SKIP_MODE CVMX_PIP_PORT_CFG_MODE_SKIPL2 + +/* + * Force backpressure to be disabled. This overrides all other + * backpressure configuration. + */ +#define CVMX_HELPER_DISABLE_RGMII_BACKPRESSURE 0 + +#endif /* __CVMX_CONFIG_H__ */ |