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library/jesd204: Update the script which computes the TPL width to be able to assign custom values

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Ionut Podgoreanu 2022-08-16 11:56:59 +01:00 committed by Laszlo Nagy
parent 5a06f186ae
commit 567be16bf6
1 changed files with 12 additions and 2 deletions
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14
library/jesd204/scripts/jesd204.tcl
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@ -462,12 +462,22 @@ proc adi_tpl_jesd204_rx_create {ip_name num_of_lanes num_of_converters samples_p
# Calculate Link Layer interface width towards Transport Layer # Calculate Link Layer interface width towards Transport Layer
# TPL width must be set to an integer multiple of F # TPL width must be set to an integer multiple of F
proc adi_jesd204_calc_tpl_width {link_datapath_width jesd_l jesd_m jesd_s jesd_np} { proc adi_jesd204_calc_tpl_width {link_datapath_width jesd_l jesd_m jesd_s jesd_np {tpl_datapath_width {}}} {
set jesd_f [expr ($jesd_m*$jesd_s*$jesd_np)/(8*$jesd_l)] set jesd_f [expr ($jesd_m*$jesd_s*$jesd_np)/(8*$jesd_l)]
if {$tpl_datapath_width != ""} {
set tpl_div [expr $tpl_datapath_width / $jesd_f]
set tpl_mod [expr $tpl_datapath_width % $jesd_f]
if {$tpl_div < 1 || $tpl_mod != 0 || (($tpl_div > 1) && ([expr $tpl_div % 2] != 0))} {
return -code 1 "ERROR: Invalid custom TPL width. Must be a power of 2 multiple of F"
} else {
return $tpl_datapath_width
}
# For F=3,6,12 get first pow 2 multiple of F greater than link_datapath_width # For F=3,6,12 get first pow 2 multiple of F greater than link_datapath_width
if {$jesd_f % 3 == 0} { } elseif {$jesd_f % 3 == 0} {
set np12_datapath_width $jesd_f set np12_datapath_width $jesd_f
while {$np12_datapath_width < $link_datapath_width} { while {$np12_datapath_width < $link_datapath_width} {
set np12_datapath_width [expr 2*$np12_datapath_width] set np12_datapath_width [expr 2*$np12_datapath_width]