Changeset 926 for branches/reconfiguration/platforms/tsar_generic_iob/scripts/arch.py

Timestamp:

Jan 20, 2015, 4:06:49 PM (8 years ago)

Author:

cfuguet

Message:

reconf: add external ROM in platform

• The external ROM, which can be accessed through both IO Bridges, contains the bootloader program and some other utility functions which are used once the reconfiguration is performed.

File:

• branches/reconfiguration/platforms/tsar_generic_iob/scripts/arch.py (modified) (5 diffs)

branches/reconfiguration/platforms/tsar_generic_iob/scripts/arch.py

@@ -101 +101 @@
     mmc_size = 0x1000                     # 4 Kbytes
 
-    rom_base = 0x00BFC00000
-    rom_size = 0x8000                     # 32 Kbytes
+    drom_base = 0x00BFC00000
+    drom_size = 0x8000                    # 32 Kbytes
 
     offset_io = pmsb(X_IO, Y_IO) << (PADDR_WIDTH - X_WIDTH - Y_WIDTH)
@@ -129 +129 @@
     iob_base = 0x00BE000000 + offset_io
     iob_size = 0x1000                     # 4 kbytes
+
+    rom_base = 0x00BA000000
+    rom_size = 0x8000                     # 32 Kbytes
 
     # create mapping
@@ -170 +173 @@
                       ptype='SIM')
 
+    mapping.addPeriph('ROM', base=rom_base, size=rom_size,
+                      ptype='ROM')
+
     pic = mapping.addPeriph('PIC', base=pic_base, size=pic_size,
                             ptype='PIC', channels=32)
@@ -196 +202 @@
                               ptype='MMC')
 
-            mapping.addPeriph('ROM', base=rom_base + offset, size=rom_size,
-                              ptype='ROM')
+            mapping.addPeriph('DROM', base=drom_base + offset, size=drom_size,
+                              ptype='DROM')
 
             dma = mapping.addPeriph('DMA', base=dma_base + offset,
@@ -336 +342 @@
 
     # for the Giet-VM is not necessary to map the replicated ROMs
-    mapping.addGlobal('seg_rom', rom_base, rom_size, 'CX__', vtype='PERI',
+    mapping.addGlobal('seg_rom', drom_base, drom_size, 'CX__', vtype='PERI',
                       x=X_IO, y=Y_IO, pseg='ROM', local=False, big=True)