configs: Clean setupBootLoader signature

This is because the bus parameter is not used anymore

Change-Id: I27aa8cc064904a6e3e0376f61eb7db74ea1a4d6c
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22002
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py
index 1a4e381..b34db4e 100644
--- a/configs/common/FSConfig.py
+++ b/configs/common/FSConfig.py
@@ -297,17 +297,7 @@
                       'lpj=19988480 norandmaps rw loglevel=8 ' + \
                       'mem=%(mem)s root=%(rootdev)s'
 
-        # When using external memory, gem5 writes the boot loader to nvmem
-        # and then SST will read from it, but SST can only get to nvmem from
-        # iobus, as gem5's membus is only used for initialization and
-        # SST doesn't use it.  Attaching nvmem to iobus solves this issue.
-        # During initialization, system_port -> membus -> iobus -> nvmem.
-        if external_memory:
-            self.realview.setupBootLoader(self.iobus,  self, binary)
-        elif ruby:
-            self.realview.setupBootLoader(None, self, binary)
-        else:
-            self.realview.setupBootLoader(self.membus, self, binary)
+        self.realview.setupBootLoader(self, binary)
 
         if hasattr(self.realview.gic, 'cpu_addr'):
             self.gic_cpu_addr = self.realview.gic.cpu_addr
diff --git a/configs/example/arm/fs_bigLITTLE.py b/configs/example/arm/fs_bigLITTLE.py
index 75567e1..36c5963 100644
--- a/configs/example/arm/fs_bigLITTLE.py
+++ b/configs/example/arm/fs_bigLITTLE.py
@@ -142,7 +142,7 @@
         for dev in sys.pci_vio_block:
             sys.attach_pci(dev)
 
-    sys.realview.setupBootLoader(sys.membus, sys, SysPaths.binary)
+    sys.realview.setupBootLoader(sys, SysPaths.binary)
 
     return sys
 
diff --git a/configs/example/arm/starter_fs.py b/configs/example/arm/starter_fs.py
index 36c51d6..3a7f298 100644
--- a/configs/example/arm/starter_fs.py
+++ b/configs/example/arm/starter_fs.py
@@ -148,7 +148,7 @@
         system.addCaches(want_caches, last_cache_level=2)
 
     # Setup gem5's minimal Linux boot loader.
-    system.realview.setupBootLoader(system.membus, system, SysPaths.binary)
+    system.realview.setupBootLoader(system, SysPaths.binary)
 
     if args.dtb:
         system.dtb_filename = args.dtb
diff --git a/src/dev/arm/RealView.py b/src/dev/arm/RealView.py
index d24dbe2..6a45d34 100644
--- a/src/dev/arm/RealView.py
+++ b/src/dev/arm/RealView.py
@@ -600,7 +600,7 @@
     def attachIO(self, *args, **kwargs):
         self._attach_io(self._off_chip_devices(), *args, **kwargs)
 
-    def setupBootLoader(self, mem_bus, cur_sys, loc):
+    def setupBootLoader(self, cur_sys, loc):
         cur_sys.boot_loader = loc('boot.arm')
         cur_sys.atags_addr = 0x100
         cur_sys.load_offset = 0
@@ -751,7 +751,7 @@
         self.gicv2m = Gicv2m()
         self.gicv2m.frames = [Gicv2mFrame(spi_base=256, spi_len=64, addr=0x2C1C0000)]
 
-    def setupBootLoader(self, mem_bus, cur_sys, loc):
+    def setupBootLoader(self, cur_sys, loc):
         if not cur_sys.boot_loader:
             cur_sys.boot_loader = loc('boot_emm.arm')
         cur_sys.atags_addr = 0x8000000
@@ -766,7 +766,7 @@
         conf_base=0x30000000, conf_size='256MB', conf_device_bits=12,
         pci_pio_base=0x2f000000)
 
-    def setupBootLoader(self, mem_bus, cur_sys, loc):
+    def setupBootLoader(self, cur_sys, loc):
         if not cur_sys.boot_loader:
             cur_sys.boot_loader = loc('boot_emm.arm64')
         cur_sys.atags_addr = 0x8000000
@@ -951,7 +951,7 @@
         device.host = self.pci_host
         self._attach_device(device, *args, **kwargs)
 
-    def setupBootLoader(self, mem_bus, cur_sys, loc):
+    def setupBootLoader(self, cur_sys, loc):
         if not cur_sys.boot_loader:
             cur_sys.boot_loader = [ loc('boot_emm.arm64'), loc('boot_emm.arm') ]
         cur_sys.atags_addr = 0x8000000
@@ -1012,9 +1012,9 @@
                 self.gic, self.gic.its
             ]
 
-    def setupBootLoader(self, mem_bus, cur_sys, loc):
+    def setupBootLoader(self, cur_sys, loc):
         cur_sys.boot_loader = [ loc('boot_emm_v2.arm64') ]
-        super(VExpress_GEM5_V2_Base,self).setupBootLoader(mem_bus,
+        super(VExpress_GEM5_V2_Base,self).setupBootLoader(
                 cur_sys, loc)
 
 class VExpress_GEM5_V2(VExpress_GEM5_V2_Base):