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Add async clear to LPM_FF devices.

This commit is contained in:
steve 2003-08-10 16:42:23 +00:00
parent 6b7879c0b0
commit b6c3f94d52
1 changed files with 23 additions and 2 deletions
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25
tgt-fpga/d-lpm.c
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: d-lpm.c,v 1.4 2003/08/09 03:23:03 steve Exp $"
#ident "$Id: d-lpm.c,v 1.5 2003/08/10 16:42:23 steve Exp $"
#endif
/*
@ -350,7 +350,11 @@ static void lpm_show_dff(ivl_lpm_t net)
unsigned idx;
unsigned pin, wid = ivl_lpm_width(net);
sprintf(name, "fd%s%u", ivl_lpm_enable(net)? "ce" : "", wid);
sprintf(name, "fd%s%s%u",
ivl_lpm_enable(net)? "ce" : "",
ivl_lpm_async_clr(net)? "cl" : "",
wid);
cell = edif_xlibrary_findcell(xlib, name);
if (cell == 0) {
@ -358,6 +362,8 @@ static void lpm_show_dff(ivl_lpm_t net)
pin = 0;
if (ivl_lpm_enable(net))
nports += 1;
if (ivl_lpm_async_clr(net))
nports += 1;
cell = edif_xcell_create(xlib, strdup(name), nports);
edif_cell_pstring(cell, "LPM_Type", "LPM_FF");
@ -381,6 +387,11 @@ static void lpm_show_dff(ivl_lpm_t net)
pin += 1;
}
if (ivl_lpm_async_clr(net)) {
edif_cell_portconfig(cell, pin, "Aclr", IVL_SIP_INPUT);
pin += 1;
}
edif_cell_portconfig(cell, pin, "Clock", IVL_SIP_INPUT);
pin += 1;
@ -401,6 +412,13 @@ static void lpm_show_dff(ivl_lpm_t net)
edif_add_to_joint(jnt, ref, pin);
}
if (ivl_lpm_async_clr(net)) {
pin = edif_cell_port_byname(cell, "Aclr");
jnt = edif_joint_of_nexus(edf, ivl_lpm_async_clr(net));
edif_add_to_joint(jnt, ref, pin);
}
for (idx = 0 ; idx < wid ; idx += 1) {
sprintf(name, "Q%u", idx);
@ -672,6 +690,9 @@ const struct device_s d_lpm_edif = {
/*
* $Log: d-lpm.c,v $
* Revision 1.5 2003/08/10 16:42:23 steve
* Add async clear to LPM_FF devices.
*
* Revision 1.4 2003/08/09 03:23:03 steve
* Add support for IVL_LPM_MULT device.
*