stv0g/embeddedsw
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

updated axidma driver metadata to generate dma-channels

Browse source 
Wall Data:
  Originally submitted from RDI_heeran_MY_RDI_EXP3
  Build Type: none
  Test Types: pre-commits, gui pre-commits
[git-p4: depot-paths = "//Rodin/HEAD/data/embeddedsw/": change = 886384]
This commit is contained in:
Heera Nand 2014-04-11 16:28:45 +05:30
parent deddf8a6a6
commit 5593d2cd4c
1 changed files with 76 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

86
XilinxProcessorIPLib/linux_drivers/axidma/data/axidma.tcl
View file

@ -1,15 +1,81 @@
proc generate {drv_handle} {
set dma_ip [get_cells $drv_handle]
set intf [get_intf_pins -of_objects $dma_ip "M_AXIS_MM2S"]
if { [llength $intf] } {
set intf_net [get_intf_nets -of_objects $intf]
if { [llength $intf_net] } {
set target_intf [lindex [get_intf_pins -of_objects $intf_net -filter "TYPE==TARGET"] 0]
if { [llength $target_intf] } {
set connected_ip [get_cells -of_objects $target_intf]
set_property axistream-connected "$connected_ip" $drv_handle
set_property axistream-control-connected "$connected_ip" $drv_handle
}
set dma_count [hsm::utils::get_os_parameter_value "dma_count"]
if { [llength $dma_count] == 0 } {
set dma_count 0
}
set axiethernetfound 0
set connected_ip [hsm::utils::get_connected_stream_ip $dma_ip "M_AXIS_MM2S"]
if { [llength $connected_ip] } {
set connected_ip_type [get_property IP_NAME $connected_ip]
if { [string match -nocase $connected_ip_type axi_ethernet ]
|| [string match -nocase $connected_ip_type axi_ethernet_buffer ] } {
set axiethernetfound 1
}
}
if { $axiethernetfound != 1 } {
set mem_range [lindex [xget_ip_mem_ranges $dma_ip] 0 ]
set baseaddr [get_property BASE_VALUE $mem_range]
set highaddr [get_property HIGH_VALUE $mem_range]
set tx_chan [get_ip_param_value $dma_ip C_INCLUDE_MM2S]
if { $tx_chan == 1 } {
set connected_ip [hsm::utils::get_connected_stream_ip $dma_ip "M_AXIS_MM2S"]
set tx_chan [add_dma_channel $drv_handle "axi-dma" $baseaddr "MM2S" $dma_count ]
set intr_info [::hsm::utils::get_dtg_interrupt_info $dma_ip "mm2s_introut" ]
set intc [hsm::utils::get_interrupt_parent $dma_ip "mm2s_introut"]
if { [llength $intr_info] } {
hsm::utils::add_new_property $tx_chan "interrupts" int $intr_info
hsm::utils::add_new_property $tx_chan "interrupt-parent" reference $intc
}
hsm::utils::add_new_property $tx_chan "axistream-connected" reference $connected_ip
hsm::utils::add_new_property $tx_chan "axistream-control-connected" reference $connected_ip
}
set rx_chan [get_ip_param_value $dma_ip C_INCLUDE_S2MM]
if { $rx_chan ==1 } {
set connected_ip [hsm::utils::get_connected_stream_ip $dma_ip "S_AXIS_S2MM"]
set rx_chan [add_dma_channel $drv_handle "axi-dma" [expr $baseaddr + 0x30] "S2MM" $dma_count]
set intr_info [::hsm::utils::get_dtg_interrupt_info $dma_ip "s2mm_introut"]
set intc [hsm::utils::get_interrupt_parent $dma_ip "s2mm_introut"]
if { [llength $intr_info] } {
hsm::utils::add_new_property $rx_chan "interrupts" int $intr_info
hsm::utils::add_new_property $rx_chan "interrupt-parent" reference $intc
}
hsm::utils::add_new_property $rx_chan "axistream-connected-slave" reference $connected_ip
hsm::utils::add_new_property $rx_chan "axistream-control-connected-slave" reference $connected_ip
}
} else {
set_property axistream-connected "$connected_ip" $drv_handle
set_property axistream-control-connected "$connected_ip" $drv_handle
}
incr dma_count
hsm::utils::set_os_parameter_value "dma_count" $dma_count
}
proc add_dma_channel { drv_handle xdma addr mode devid} {
set ip [get_cells $drv_handle]
set modellow [string tolower $mode]
set modeIndex [string index $mode 0]
set node_name [format "dma-channel@%x" $addr]
set dma_channel [hsm::utils::add_new_child_node $drv_handle $node_name]
hsm::utils::add_new_property $dma_channel "compatible" stringlist [format "xlnx,%s-%s-channel" $xdma $modellow]
set tmp [get_ip_param_value $ip [format "C_INCLUDE_%s_DRE" $mode]]
hsm::utils::add_new_property $dma_channel "xlnx,include-dre" hexint $tmp
hsm::utils::add_new_property $dma_channel "xlnx,device-id" hexint $devid
set tmp [get_ip_param_value $ip [format "C_%s_AXIS_%s_TDATA_WIDTH" $modeIndex $mode ] ]
if { [llength $tmp] } {
hsm::utils::add_new_property $dma_channel "xlnx,datawidth" hexint $tmp
}
set tmp [get_ip_param_value $ip [format "C_%s_AXIS_%s_DATA_WIDTH" $modeIndex $mode ] ]
if { [llength $tmp] } {
hsm::utils::add_new_property $dma_channel "xlnx,datawidth" hexint $tmp
}
if { [string compare -nocase $xdma "axi-dma"] != 0 } {
set tmp [get_ip_param_value $ip [format "C_%s_GENLOCK_MODE" $mode]]
hsm::utils::add_new_property $dma_channel "xlnx,genlock-mode" hexint $tmp
}
return $dma_channel
}