From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Tue, 21 Aug 2018 17:10:22 +0000 (+0200)
Subject: soc_core: add cpu_endianness
X-Git-Tag: 24jan2021_ls180~1640
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=45e9a42c7ea5a260fdbf29e0933410d5ee4776fe;p=litex.git

soc_core: add cpu_endianness
---

diff --git a/litex/soc/integration/cpu_interface.py b/litex/soc/integration/cpu_interface.py
index ad4e8a33..bc934cf3 100644
--- a/litex/soc/integration/cpu_interface.py
+++ b/litex/soc/integration/cpu_interface.py
@@ -6,6 +6,7 @@ from migen import *
 from litex.soc.interconnect.csr import CSRStatus
 
 cpu_endianness = {
+    None: "big",
     "lm32": "big",
     "or1k": "big",
     "picorv32": "little",
diff --git a/litex/soc/integration/soc_core.py b/litex/soc/integration/soc_core.py
index 61e58687..6a7bbd40 100644
--- a/litex/soc/integration/soc_core.py
+++ b/litex/soc/integration/soc_core.py
@@ -7,6 +7,7 @@ from litex.soc.cores import identifier, timer, uart
 from litex.soc.cores.cpu import lm32, mor1kx, picorv32, vexriscv
 from litex.soc.interconnect.csr import *
 from litex.soc.interconnect import wishbone, csr_bus, wishbone2csr
+from litex.soc.integration.cpu_interface import cpu_endianness
 
 
 __all__ = ["mem_decoder", "SoCCore", "soc_core_args", "soc_core_argdict"]
@@ -105,6 +106,7 @@ class SoCCore(Module):
 
         self.cpu_type = cpu_type
         self.cpu_variant = cpu_variant
+        self.cpu_endianness = cpu_endianness[cpu_type]
         if integrated_rom_size:
             cpu_reset_address = self.mem_map["rom"]
         self.cpu_reset_address = cpu_reset_address