Implemented SC6531C flashing support

uniflash.py

@@ -10,6 +10,7 @@ import unicmd
 UNISOC_VID = 0x1782
 UNISOC_PID = 0x4d00
 UNISOC_FLASH_BASE_ADDR = 0x10000000
+UNISOC_FLASH_BASE_ADDR_OLD = 0x30000000
 MAX_PKT_SIZE = 1024
 bSize = 512 # read block size
 genTimeout = 120000
@@ -98,7 +99,7 @@ def send_file_to_addr(fname, faddr, fdlBooted = False, flashMode = False, fbs =
     print('\nEnding data transfer...')
     resp = reqresp(unicmd.cmd_data_end(), fdlBooted)
     rcode, rlen, r = unicmd.resp_decode(resp, fdlBooted)
-    if not flashMode or (rcode != unicmd.BSL_FLASH_CFG_ERROR and rcode != unicmd.BSL_WRITE_ERROR): # on flashing, ignore 0xA2 and 0xA4 errors
+    if not flashMode or (rcode != unicmd.BSL_FLASH_CFG_ERROR and rcode != unicmd.BSL_WRITE_ERROR and rcode != 0xFF): # on flashing, ignore 0xA2, 0xA4 and 0xFF errors
         assert rcode == unicmd.BSL_REP_ACK, 'Could not finalize data transfer, response code is %X' % rcode
     print('Data transfer successful')
 
@@ -237,6 +238,11 @@ if __name__ == '__main__': # main app start
     fdl1Label = 'FDL1'
     fdl2Label = 'FDL2'
 
+    # override flash base addr based on the target
+
+    if target.startswith('sc6530'):
+        UNISOC_FLASH_BASE_ADDR = UNISOC_FLASH_BASE_ADDR_OLD
+
     if args.flash_noremap == True:
         print('Flash remapping disabled')
         UNISOC_FLASH_BASE_ADDR = 0