From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: [PATCH 1/6] DDR3: Fix tRAS value Date: Wed, 10 Apr 2013 22:17:40 +0200 Message-ID: <20130410221740.182105ce@endymion.delvare> References: <20130410221330.213ca5be@endymion.delvare> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130410221330.213ca5be-R0o5gVi9kd7kN2dkZ6Wm7A@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Linux I2C List-Id: linux-i2c@vger.kernel.org DDR3: Use the right nibble from byte 21 as the MSB of tRAS. --- eeprom/decode-dimms | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- i2c-tools.orig/eeprom/decode-dimms 2013-04-10 14:09:02.415218409 +0200 +++ i2c-tools/eeprom/decode-dimms 2013-04-10 14:11:18.839376112 +0200 @@ -1393,7 +1393,7 @@ sub decode_ddr3_sdram($) $taa = int($bytes->[16] / $bytes->[12]); $trcd = int($bytes->[18] / $bytes->[12]); $trp = int($bytes->[20] / $bytes->[12]); - $tras = int((($bytes->[21] >> 4) * 256 + $bytes->[22]) / $bytes->[12]); + $tras = int(((($bytes->[21] & 0x0f) << 8) + $bytes->[22]) / $bytes->[12]); printl("tCL-tRCD-tRP-tRAS", join("-", $taa, $trcd, $trp, $tras)); -- Jean Delvare