8-bit granularity on JTAG wishbone

diff --git a/src/soc/debug/jtag.py b/src/soc/debug/jtag.py
index 5cac2cd44c8868efbaa0ac4e0148a9f6a5d11be2..c2a6f0958a86ce1f94ec6a539e9ca08f3b16b8ba 100644 (file)
--- a/src/soc/debug/jtag.py
+++ b/src/soc/debug/jtag.py
@@ -82,6 +82,7 @@ class JTAG(DMITAP, Pins):
         # create and connect wishbone
         self.wb = self.add_wishbone(ircodes=[5, 6, 7], features={'err'},
                                    address_width=29, data_width=wb_data_wid,
+                                   granularity=8, # 8-bit wide
                                    name="jtag_wb")
 
         # create DMI2JTAG (goes through to dmi_sim())