configs/common/HMC.py

4 # The license below extends only to copyright in the software and shall
5 # not be construed as granting a license to any other intellectual
6 # property including but not limited to intellectual property relating
7 # to a hardware implementation of the functionality of the software
8 # licensed hereunder.  You may use the software subject to the license
24 # contributors may be used to endorse or promote products derived from
66 #   parameters are tuned to [2].
69 #   SerialLink is a simple variation of the Bridge class, with the ability to
72 #   to receive the whole packet to start the serialization. But the
73 #   deserializer waits for the complete packet to check its integrity first.
111 #   to each other, providing complete memory range. This archicture also covers
112 #   the added latency for sending a request to non-local vault(bridge in b/t
114 #   link can be connected to separate processor.
117 #   connected.Through each crossbar only local vaults can be accessed. But to
122 #   2 Crossbars are connected to only local vaults. From other 2 crossbar, a
123 #   request can be forwarded to any other vault.
152     # Latency to forward a packet via the interconnect [1](two levels of FIFOs
157     # Latency to forward a response via the interconnect [1](two levels of
162     # number of cross which connects 16 Vaults to serial link[7]
171     # Number of packets (not flits) to store at the request side of the serial
172     #  link. This number should be adjusted to achive required bandwidth
174                         type=int, help="Number of packets to buffer at the\
177     # Number of packets (not flits) to store at the response side of the serial
178     #  link. This number should be adjusted to achive required bandwidth
180                         type=int, help="Number of packets to buffer at the\
200     # Latency of the serial link controller to process the packets[1][6]
205                         controller to process the packet")
255     # when the reuqest go to non-local vault
257                         type=int, help="Number of packets to buffer at the\
263                         type=int, help="Number of packets to buffer at the\
281                         default="HMC_2500_1x32", help="type of HMC memory to\
286                         help="Number of ranks to iterate across")
289                         cache line size will be set to this value.\nDefault:\
317     # controllers (4 vaults to 1 serial link)
336     # ranges w.r.t to architecture
358     # Connect membus/traffic gen to Serial Link Controller for differrent HMC
418     # Attach 4 serial link to 4 crossbar/s
428     # then it will be forward to correct xbar. Bridge is used to connect xbars
440         # necesarry to add system_port to one of the xbar
446                 # connect xbar to all other xbars except itself
462                     # Don't connect the xbar to itself
465     # Two crossbars are connected to all other crossbars-Other 2 vault
466     # can only direct traffic to it local vaults