diff options
Diffstat (limited to 'drivers/staging/octeon/cvmx-config.h')
-rw-r--r-- | drivers/staging/octeon/cvmx-config.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/staging/octeon/cvmx-config.h b/drivers/staging/octeon/cvmx-config.h new file mode 100644 index 00000000000..078a520481c --- /dev/null +++ b/drivers/staging/octeon/cvmx-config.h | |||
@@ -0,0 +1,169 @@ | |||
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__ */ | ||
169 | |||