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authorWolfgang Denk <wd@denx.de>2010-08-10 23:03:15 +0200
committerWolfgang Denk <wd@denx.de>2010-08-10 23:03:15 +0200
commitb9d51fbb18097975ff86d3a7b4a21a92a1b345f0 (patch)
tree1e062ddf881089872f49fb4ea3dcfc05c439f021 /arch/arm/cpu/armv7/omap4/mem.c
parent42441b8a1a3e8b42459de60bbec6833a31cd6cd5 (diff)
parentb77f380115028ef4b6cc59fc5ba332a6e31b4326 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/mem.c')
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1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap4/mem.c b/arch/arm/cpu/armv7/omap4/mem.c
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+/*
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Steve Sakoman <steve@sakoman.com>
+ *
+ * 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
+ */
+
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+
+struct gpmc *gpmc_cfg;
+
+/*****************************************************
+ * gpmc_init(): init gpmc bus
+ * This code can only be executed from SRAM or SDRAM.
+ *****************************************************/
+void gpmc_init(void)
+{
+ gpmc_cfg = (struct gpmc *)GPMC_BASE;
+
+ /* global settings */
+ writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
+ writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
+
+ /*
+ * Disable the GPMC0 config set by ROM code
+ * It conflicts with our MPDB (both at 0x08000000)
+ */
+ writel(0, &gpmc_cfg->cs[0].config7);
+}