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axi_dmac: post_propagate(): Handle mappings with multiple address segments 

When a mapping has multiple address segments we need to consider all of
them to calculate the required address width.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
main
Lars-Peter Clausen 2017-04-19 13:05:44 +02:00
parent 5084e4a8f7
commit 9f55a703cc
1 changed files with 7 additions and 5 deletions
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12
library/axi_dmac/bd/bd.tcl
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@ -129,12 +129,14 @@ proc post_propagate {cellpath otherinfo} {
}
set intf [get_bd_intf_pins [format "%s/m_%s_axi" $cellpath [string tolower $dir]]]
set addr_seg [get_bd_addr_segs -of_objects [get_bd_addr_spaces $intf]]
set addr_segs [get_bd_addr_segs -of_objects [get_bd_addr_spaces $intf]]
if {$addr_seg != {}} {
set range [get_property "range" $addr_seg]
set offset [get_property "offset" $addr_seg]
set addr_width [expr max(round(log($range + $offset) / log(2)), $addr_width)]
if {$addr_segs != {}} {
foreach addr_seg $addr_segs {
set range [get_property "range" $addr_seg]
set offset [get_property "offset" $addr_seg]
set addr_width [expr max(round(log($range + $offset) / log(2)), $addr_width)]
}
} else {
set addr_width 32
}