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authorStefan Reinauer <stepan@coresystems.de>2009-04-17 08:37:18 +0000
committerStefan Reinauer <stepan@openbios.org>2009-04-17 08:37:18 +0000
commitaeba92ab5b0afd1464d6b1a275b5f5b00b351b32 (patch)
tree225fbff67fc05e70507ac6ef7b3af32f00bac6f8 /src/include/spd_ddr2.h
parent56c51bd120a935e64cfd96d8ad71c9d1f7aab323 (diff)
Add VIA CX700 support, plus VIA vt8454c reference board support.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4126 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/spd_ddr2.h')
-rw-r--r--src/include/spd_ddr2.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/spd_ddr2.h b/src/include/spd_ddr2.h
index a1deb36c96..09851f9715 100644
--- a/src/include/spd_ddr2.h
+++ b/src/include/spd_ddr2.h
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2007 Advanced Micro Devices, Inc.
+ * Copyright (C) 2007-2009 coresystems GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -29,6 +30,7 @@
#define SPD_DIMM_TYPE_uDIMM (1<<3)
#define SPD_DIMM_TYPE_mRDIMM (1<<4)
#define SPD_DIMM_TYPE_mUDIMM (1<<5)
+
#define SPD_MOD_ATTRIB 21
#define SPD_MOD_ATTRIB_DIFCK 0x20
#define SPD_MOD_ATTRIB_REGADC 0x11 /* x */
@@ -39,6 +41,15 @@
#define SPD_DIMM_CONF_TYPE_ECC 0x02
#define SPD_DIMM_CONF_TYPE_ADDR_PARITY 0x04 /* ? */
+#define SPD_CAS_LAT_MIN_X_1 23
+#define SPD_CAS_LAT_MAX_X_1 24
+#define SPD_CAS_LAT_MIN_X_2 25
+#define SPD_CAS_LAT_MAX_X_2 26
+
+#define SPD_BURST_LENGTHS 16
+ #define SPD_BURST_LENGTHS_4 (1<<2)
+ #define SPD_BURST_LENGTHS_8 (1<<3)
+
#define SPD_ROW_NUM 3 /* Number of Row addresses */
#define SPD_COL_NUM 4 /* Number of Column addresses */
#define SPD_BANK_NUM 17 /* SDRAM Device attributes - Number of Banks on
@@ -82,6 +93,7 @@
#define SPD_TWTR 37 /* x */
#define SPD_TRTP 38 /* x */
+#define SPD_EX_TRC_TRFC 40
#define SPD_TRC 41 /* add byte 0x40 bit [3:1] , so final val41+ table[((val40>>1) & 0x7)] ... table[]={0, 0.25, 0.33, 0.5, 0.75, 0, 0}*/
#define SPD_TRFC 42 /* add byte 0x40 bit [6:4] , so final val42+ table[((val40>>4) & 0x7)] + (val40 & 1)*256*/