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-rw-r--r--arch/arm/cpu/armv7/omap4/board.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
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+++ b/arch/arm/cpu/armv7/omap4/board.c
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+/*
+ *
+ * Common functions for OMAP4 based boards
+ *
+ * (C) Copyright 2010
+ * Texas Instruments, <www.ti.com>
+ *
+ * Author :
+ * Aneesh V <aneesh@ti.com>
+ * Steve Sakoman <steve@sakoman.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
+ */
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/sys_proto.h>
+
+/*
+ * Routine: s_init
+ * Description: Does early system init of muxing and clocks.
+ * - Called path is with SRAM stack.
+ */
+void s_init(void)
+{
+ watchdog_init();
+}
+
+/*
+ * Routine: wait_for_command_complete
+ * Description: Wait for posting to finish on watchdog
+ */
+void wait_for_command_complete(struct watchdog *wd_base)
+{
+ int pending = 1;
+ do {
+ pending = readl(&wd_base->wwps);
+ } while (pending);
+}
+
+/*
+ * Routine: watchdog_init
+ * Description: Shut down watch dogs
+ */
+void watchdog_init(void)
+{
+ struct watchdog *wd2_base = (struct watchdog *)WDT2_BASE;
+
+ writel(WD_UNLOCK1, &wd2_base->wspr);
+ wait_for_command_complete(wd2_base);
+ writel(WD_UNLOCK2, &wd2_base->wspr);
+}
+
+/*
+ * Routine: dram_init
+ * Description: sets uboots idea of sdram size
+ */
+int dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = 0x80000000;
+ gd->bd->bi_dram[0].size = 512 << 20;
+ return 0;
+}
+
+/*
+ * Print board information
+ */
+int checkboard(void)
+{
+ puts(sysinfo.board_string);
+ return 0;
+}
+