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Blackfin arch: check the EXTBANKS field of the DDRCTL1 register to see if we are using both memory banks

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Mike Frysinger 17 年之前
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共有 1 个文件被更改,包括 2 次插入0 次删除
  1. 2 0
      arch/blackfin/kernel/setup.c

+ 2 - 0
arch/blackfin/kernel/setup.c

@@ -700,6 +700,8 @@ static inline int __init get_mem_size(void)
 		case DEVWD_8:  ret *= 2;
 		case DEVWD_16: break;
 	}
+	if ((ddrctl & 0xc000) == 0x4000)
+		ret *= 2;
 	return ret;
 #endif
 	BUG();