From 9e18a4bc6cb512dc7ae3a6fc2ed912f71bd8c6c0 Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@pollux.denx.de>
Date: Wed, 14 Jun 2006 16:48:18 +0200
Subject: [PATCH] Fix memory init problems on MCC200 board
---
CHANGELOG | 2 ++
board/mcc200/mcc200.c | 8 +++++-
board/mcc200/mt48lc16m32s2-75.h | 43 +++++++++++++++++++++++++++++++++
3 files changed, 52 insertions(+), 1 deletion(-)
create mode 100644 board/mcc200/mt48lc16m32s2-75.h
diff --git a/CHANGELOG b/CHANGELOG
index b5ee677edd..b3c0da1954 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,8 @@
Changes since U-Boot 1.1.4:
======================================================================
+* Fix memory init problems on MCC200 board
+
* Fix IxEthDB.h to compile again
Patch by Stefan Roese, 14 Jun 2006
diff --git a/board/mcc200/mcc200.c b/board/mcc200/mcc200.c
index 87427e4e0d..b9b9a712b8 100644
--- a/board/mcc200/mcc200.c
+++ b/board/mcc200/mcc200.c
@@ -28,7 +28,11 @@
#include <mpc5xxx.h>
#include <pci.h>
-#include "mt48lc8m32b2-6-7.h"
+/* Two MT48LC8M32B2 for 32 MB */
+/* #include "mt48lc8m32b2-6-7.h" */
+
+/* One MT48LC16M32S2 for 64 MB */
+#include "mt48lc16m32s2-75.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -74,6 +78,8 @@ static void sdram_start (int hi_addr)
/* normal operation */
*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
__asm__ volatile ("sync");
+
+ udelay(10);
}
#endif
diff --git a/board/mcc200/mt48lc16m32s2-75.h b/board/mcc200/mt48lc16m32s2-75.h
new file mode 100644
index 0000000000..ffdf0396a5
--- /dev/null
+++ b/board/mcc200/mt48lc16m32s2-75.h
@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#define SDRAM_DDR 0 /* is SDR */
+
+#if defined(CONFIG_MPC5200)
+/* Settings for XLB = 132 MHz */
+#define SDRAM_MODE 0x00CD0000
+#define SDRAM_CONTROL 0x504F0000
+#define SDRAM_CONFIG1 0xD2322800
+#define SDRAM_CONFIG2 0x8AD70000
+
+#elif defined(CONFIG_MGT5100)
+/* Settings for XLB = 66 MHz */
+#define SDRAM_MODE 0x008D0000
+#define SDRAM_CONTROL 0x504F0000
+#define SDRAM_CONFIG1 0xC2222600
+#define SDRAM_CONFIG2 0x88B70004
+#define SDRAM_ADDRSEL 0x02000000
+
+#else
+#error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined
+#endif
--
2.39.5