From 9156d7902e223364bb05c84587702f63c74fb03a Mon Sep 17 00:00:00 2001
From: Gwenhael Goavec-Merou <gwenhael@enjoy-digital.fr>
Date: Thu, 21 Mar 2024 20:54:08 +0100
Subject: [PATCH] tools/litex_json2dts_linux: increment interrupts value by one
 for rocket

---
 litex/tools/litex_json2dts_linux.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/litex/tools/litex_json2dts_linux.py b/litex/tools/litex_json2dts_linux.py
index 5fca60b81..4620b5ac2 100755
--- a/litex/tools/litex_json2dts_linux.py
+++ b/litex/tools/litex_json2dts_linux.py
@@ -386,6 +386,7 @@ def generate_dts(d, initrd_start=None, initrd_size=None, initrd=None, root_devic
 
     if "uart" in d["csr_bases"]:
         aliases["serial0"] = "liteuart0"
+        it_incr = {True: 1, False: 0}["rocket" in cpu_name]
         dts += """
             liteuart0: serial@{uart_csr_base:x} {{
                 compatible = "litex,liteuart";
@@ -395,11 +396,12 @@ def generate_dts(d, initrd_start=None, initrd_size=None, initrd=None, root_devic
             }};
 """.format(
     uart_csr_base  = d["csr_bases"]["uart"],
-    uart_interrupt = "" if polling else "interrupts = <{}>;".format(d["constants"]["uart_interrupt"]))
+    uart_interrupt = "" if polling else "interrupts = <{}>;".format(int(d["constants"]["uart_interrupt"]) + it_incr))
 
     # Ethernet -------------------------------------------------------------------------------------
 
     if "ethphy" in d["csr_bases"] and "ethmac" in d["csr_bases"]:
+        it_incr = {True: 1, False: 0}["rocket" in cpu_name]
         dts += """
             mac0: mac@{ethmac_csr_base:x} {{
                 compatible = "litex,liteeth";
@@ -421,7 +423,7 @@ def generate_dts(d, initrd_start=None, initrd_size=None, initrd=None, root_devic
     ethmac_rx_slots  = d["constants"]["ethmac_rx_slots"],
     ethmac_tx_slots  = d["constants"]["ethmac_tx_slots"],
     ethmac_slot_size  = d["constants"]["ethmac_slot_size"],
-    ethmac_interrupt = "" if polling else "interrupts = <{}>;".format(d["constants"]["ethmac_interrupt"]))
+    ethmac_interrupt = "" if polling else "interrupts = <{}>;".format(int(d["constants"]["ethmac_interrupt"]) + it_incr))
 
     # USB OHCI -------------------------------------------------------------------------------------