From: Mike Frysinger <vapier.adi@gmail.com>
Date: Sat, 26 Jul 2008 10:02:05 +0000 (+0800)
Subject: Blackfin arch: check the EXTBANKS field of the DDRCTL1 register to see if we are... 
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b1b154e503a0e590eb9e189586783dc8750f910e;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

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>
---

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 8671d1db1f99..102a9db98559 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/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();