Disable length underrun error detection when triggerring RX FIFO overflow

robertszczepanski · robertszczepanski · commit ce6d57b95e1a · 2026-05-14T15:11:36.000+02:00
Internal-tag: [#96770]
diff --git a/verification/cocotb/top/lib_i3c_top/test_recovery.py b/verification/cocotb/top/lib_i3c_top/test_recovery.py
@@ -7655,8 +7655,8 @@ async def set_err_ctrl(val):
         int2dword(0xFFFFFFFF), 4
     )
 
-    # Enable RX FIFO overflow detection
-    await set_err_ctrl(baseline_ctrl | (1 << 11))
+    # Enable RX FIFO overflow detection and disable length underrun error detection
+    await set_err_ctrl((baseline_ctrl | (1 << 11)) & ~(1 << 8))
 
     await recovery.command_write(
         VIRT_DYNAMIC_ADDR,

Original file line number	Diff line number	Diff line change
`@@ -7655,8 +7655,8 @@ async def set_err_ctrl(val):`
`7655`	`7655`	`int2dword(0xFFFFFFFF), 4`
`7656`	`7656`	`)`
`7657`	`7657`
`7658`		`- # Enable RX FIFO overflow detection`
`7659`		`- await set_err_ctrl(baseline_ctrl \| (1 << 11))`
	`7658`	`+ # Enable RX FIFO overflow detection and disable length underrun error detection`
	`7659`	`+ await set_err_ctrl((baseline_ctrl \| (1 << 11)) & ~(1 << 8))`
`7660`	`7660`
`7661`	`7661`	`await recovery.command_write(`
`7662`	`7662`	`VIRT_DYNAMIC_ADDR,`