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-rw-r--r--ecp5/bitstream.cc9
-rw-r--r--ecp5/docs/primitives.md2
-rw-r--r--ecp5/pack.cc10
3 files changed, 18 insertions, 3 deletions
diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc
index fd3de4ab..620add54 100644
--- a/ecp5/bitstream.cc
+++ b/ecp5/bitstream.cc
@@ -1253,9 +1253,14 @@ void write_bitstream(Context *ctx, std::string base_config_file, std::string tex
tg.config.add_enum("FEEDBK_PATH", str_or_default(ci->params, ctx->id("FEEDBK_PATH"), "CLKOP"));
tg.config.add_enum("CLKOP_TRIM_POL", str_or_default(ci->params, ctx->id("CLKOP_TRIM_POL"), "RISING"));
- tg.config.add_enum("CLKOP_TRIM_DELAY", str_or_default(ci->params, ctx->id("CLKOP_TRIM_DELAY"), "0"));
+
+ tg.config.add_enum("CLKOP_TRIM_DELAY",
+ intstr_or_default(ci->params, ctx->id("CLKOP_TRIM_DELAY"), "0"));
+
tg.config.add_enum("CLKOS_TRIM_POL", str_or_default(ci->params, ctx->id("CLKOS_TRIM_POL"), "RISING"));
- tg.config.add_enum("CLKOS_TRIM_DELAY", str_or_default(ci->params, ctx->id("CLKOS_TRIM_DELAY"), "0"));
+
+ tg.config.add_enum("CLKOS_TRIM_DELAY",
+ intstr_or_default(ci->params, ctx->id("CLKOS_TRIM_DELAY"), "0"));
tg.config.add_enum("OUTDIVIDER_MUXA", str_or_default(ci->params, ctx->id("OUTDIVIDER_MUXA"),
get_net_or_empty(ci, id_CLKOP) ? "DIVA" : "REFCLK"));
diff --git a/ecp5/docs/primitives.md b/ecp5/docs/primitives.md
index aa37f3e5..f7f97d16 100644
--- a/ecp5/docs/primitives.md
+++ b/ecp5/docs/primitives.md
@@ -43,5 +43,5 @@ nextpnr-ecp5 currently supports the following primitives:
- **TRELLIS_SLICE**
- **TSHX2DQA**
- **TSHX2DQSA**
- - **USRMCLK** (untested)
+ - **USRMCLK**
diff --git a/ecp5/pack.cc b/ecp5/pack.cc
index f5e8a544..9c3bb617 100644
--- a/ecp5/pack.cc
+++ b/ecp5/pack.cc
@@ -2038,10 +2038,20 @@ class Ecp5Packer
disconnect_port(ctx, prim, port);
};
+ bool warned_oddrx_iddrx = false;
+
auto set_iologic_mode = [&](CellInfo *iol, std::string mode) {
auto &curr_mode = iol->params[ctx->id("MODE")].str;
if (curr_mode != "NONE" && mode == "IREG_OREG")
return;
+ if ((curr_mode == "IDDRXN" && mode == "ODDRXN") || (curr_mode == "ODDRXN" && mode == "IDDRXN")) {
+ if (!warned_oddrx_iddrx) {
+ warned_oddrx_iddrx = true;
+ log_warning("Use of IDDRXN and ODDRXN primitives on the same pin is unofficial and unsupported!\n");
+ }
+ curr_mode = "ODDRXN";
+ return;
+ }
if (curr_mode != "NONE" && curr_mode != "IREG_OREG" && curr_mode != mode)
log_error("IOLOGIC '%s' has conflicting modes '%s' and '%s'\n", iol->name.c_str(ctx), curr_mode.c_str(),
mode.c_str());