# Transport Layer
fis_max_dwords = 2048
fis_types = {
"REG_H2D": 0x27,
"REG_D2H": 0x34,
"DMA_ACTIVATE_D2H": 0x39,
"PIO_SETUP_D2H": 0x5F,
"DATA": 0x46
}
fis_reg_h2d_header_length = 5
fis_reg_h2d_header_fields = {
"type": HeaderField(0 * 4, 0, 8),
"pm_port": HeaderField(0 * 4, 8, 4),
"c": HeaderField(0 * 4, 15, 1),
"command": HeaderField(0 * 4, 16, 8),
"features_lsb": HeaderField(0 * 4, 24, 8),
"lba_lsb": HeaderField(1 * 4, 0, 24),
"device": HeaderField(1 * 4, 24, 8),
"lba_msb": HeaderField(2 * 4, 0, 24),
"features_msb": HeaderField(2 * 4, 24, 8),
"count": HeaderField(3 * 4, 0, 16),
"icc": HeaderField(3 * 4, 16, 8),
"control": HeaderField(3 * 4, 24, 8)
}
fis_reg_h2d_header = Header(fis_reg_h2d_header_fields,
fis_reg_h2d_header_length,
swap_field_bytes=False)
import math
from copy import deepcopy
import struct
from litex.soc.interconnect.stream_packet import HeaderField, Header
etherbone_magic = 0x4e6f
etherbone_version = 1
etherbone_packet_header_length = 8
etherbone_packet_header_fields = {
"magic": HeaderField(0, 0, 16),
"version": HeaderField(2, 4, 4),
"nr": HeaderField(2, 2, 1),
"pr": HeaderField(2, 1, 1),
"pf": HeaderField(2, 0, 1),
"addr_size": HeaderField(3, 4, 4),
"port_size": HeaderField(3, 0, 4)
}
etherbone_packet_header = Header(etherbone_packet_header_fields,
etherbone_packet_header_length,
swap_field_bytes=True)
etherbone_record_header_length = 4
etherbone_record_header_fields = {
"bca": HeaderField(0, 0, 1),
"rca": HeaderField(0, 1, 1),
"rff": HeaderField(0, 2, 1),
"cyc": HeaderField(0, 4, 1),
"wca": HeaderField(0, 5, 1),
"wff": HeaderField(0, 6, 1),
"byte_enable": HeaderField(1, 0, 8),
r = [self.source.connect(port.sink), port.source.connect(self.sink)]
return r
eth_mtu = 1532
eth_min_len = 46
eth_interpacket_gap = 12
eth_preamble = 0xd555555555555555
buffer_depth = 2**log2_int(eth_mtu, need_pow2=False)
ethernet_type_ip = 0x800
ethernet_type_arp = 0x806
mac_header_length = 14
mac_header_fields = {
"target_mac": HeaderField(0, 0, 48),
"sender_mac": HeaderField(6, 0, 48),
"ethernet_type": HeaderField(12, 0, 16)
}
mac_header = Header(mac_header_fields,
mac_header_length,
swap_field_bytes=True)
arp_hwtype_ethernet = 0x0001
arp_proto_ip = 0x0800
arp_opcode_request = 0x0001
arp_opcode_reply = 0x0002
arp_header_length = 28
arp_header_fields = {
"hwtype": HeaderField(0, 0, 16),
# This file is Copyright (c) 2015-2019 Florent Kermarrec <*****@*****.**>
# This file is Copyright (c) 2017 Tim Ansell <*****@*****.**>
# License: BSD
import math
import struct
from litex.soc.interconnect.stream_packet import HeaderField, Header
etherbone_magic = 0x4e6f
etherbone_version = 1
etherbone_packet_header_length = 8
etherbone_packet_header_fields = {
"magic": HeaderField(0, 0, 16),
"version": HeaderField(2, 4, 4),
"nr": HeaderField(2, 2, 1), # No Reads
"pr": HeaderField(2, 1, 1), # Probe Reply
"pf": HeaderField(2, 0, 1), # Probe Flag
"addr_size": HeaderField(3, 4, 4), # 1=8bits, 2=16bits, 4=32bits, 8=64bits
"port_size": HeaderField(3, 0, 4), # Same as above
}
etherbone_packet_header = Header(etherbone_packet_header_fields,
etherbone_packet_header_length,
swap_field_bytes=True)
# When reading/writing to a FIFO, you don't increase
# the address after each write.
etherbone_record_header_length = 4
etherbone_record_header_fields = {
"bca": HeaderField(0, 0, 1), # ReplyToCfgSpace - ??? (C)onfig (A)dress
"rca": HeaderField(0, 1,