commit b1b154e503a0e590eb9e189586783dc8750f910e
author Mike Frysinger <vapier.adi@gmail.com> Sat Jul 26 18:02:05 2008 +0800
committer Bryan Wu <cooloney@kernel.org> Sat Jul 26 18:02:05 2008 +0800
tree fcb09b57e40f3513b1679782f9544d28cef62296
parent 9db144fe897bb09838294aab2229cb423ab40988

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>

arch/blackfin/kernel/setup.c

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 8671d1d..102a9db 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -700,6 +700,8 @@
 		case DEVWD_8:  ret *= 2;
 		case DEVWD_16: break;
 	}
+	if ((ddrctl & 0xc000) == 0x4000)
+		ret *= 2;
 	return ret;
 #endif
 	BUG();