Use USB-C UART on Tangnano20k

Signed-off-by: YRabbit <[email protected]>
YosysHQ · Oct 23, 2024 · 0a01d6a · 0a01d6a
1 parent 93db64e
commit 0a01d6a
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Showing 2 changed files with 7 additions and 6 deletions.
diff --git a/apycula/clock_fuzzer.py b/apycula/clock_fuzzer.py
@@ -359,7 +359,7 @@ def make_lw_aliases(fse, dat: dat19.Datfile, db, quads, clks):
                     db.aliases.update({(row, col, f'LB{lw + 4}1') : (row, tap_col, f'LBO1')})
 
 if __name__ == "__main__":
-    if True:
+    if False:
         quads = quadrants()
 
         srcs = {}

diff --git a/examples/himbaechel/tangnano20k.cst b/examples/himbaechel/tangnano20k.cst
@@ -16,10 +16,11 @@ IO_PORT "key_i" IO_TYPE=LVCMOS33;
 IO_LOC "rst_i" 88;
 IO_PORT "rst_i" IO_TYPE=LVCMOS33;
 
-IO_LOC "TXD" 26;
-IO_PORT "TXD" PULL_MODE=UP;
-IO_LOC "RXD" 48;
-IO_PORT "RXD" PULL_MODE=UP;
+// USB-C UART
+IO_LOC "TXD" 69;
+IO_PORT "TXD" PULL_MODE=NONE;
+IO_LOC "RXD" 70;
+IO_PORT "RXD" PULL_MODE=NONE;
 
 IO_LOC "LED_R" 15;
 IO_LOC "LED_G" 16;
@@ -117,4 +118,4 @@ IO_PORT "tmds_d_p[2]" PULL_MODE=NONE;
 IO_LOC "tmds_d_n[2]" 40;
 IO_PORT "tmds_d_n[2]" PULL_MODE=NONE;
 
-IO_LOC "div_led" 15;
+IO_LOC "div_led" 15;