From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Wed, 27 May 2020 17:59:54 +0000 (+0200)
Subject: soc/integration/export: add optional csr_base parameter.
X-Git-Tag: 24jan2021_ls180~273
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fd7ec50e4384c52ea9d0c9cb681bf7dd6e85db59;p=litex.git

soc/integration/export: add optional csr_base parameter.
---

diff --git a/litex/soc/integration/export.py b/litex/soc/integration/export.py
index adb6244a..ed827ed5 100644
--- a/litex/soc/integration/export.py
+++ b/litex/soc/integration/export.py
@@ -190,7 +190,7 @@ def _get_rw_functions_c(reg_name, reg_base, nwords, busword, alignment, read_onl
     return r
 
 
-def get_csr_header(regions, constants, with_access_functions=True):
+def get_csr_header(regions, constants, csr_base=None, with_access_functions=True):
     alignment = constants.get("CONFIG_CSR_ALIGNMENT", 32)
     r = generated_banner("//")
     if with_access_functions: # FIXME
@@ -202,7 +202,7 @@ def get_csr_header(regions, constants, with_access_functions=True):
         r += "#ifndef CSR_ACCESSORS_DEFINED\n"
         r += "#include <hw/common.h>\n"
         r += "#endif /* ! CSR_ACCESSORS_DEFINED */\n"
-    csr_base = regions[next(iter(regions))].origin
+    csr_base = csr_base if csr_base is not None else regions[next(iter(regions))].origin
     r += "#ifndef CSR_BASE\n"
     r += "#define CSR_BASE {}L\n".format(hex(csr_base))
     r += "#endif\n"