arm926ejs: add NXP LPC32x0 cpu series support

This change adds initial support for NXP LPC32x0 SoC series.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Marek Vasut <marek.vasut@gmail.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-lpc32xx/wdt.h b/arch/arm/include/asm/arch-lpc32xx/wdt.h
new file mode 100644
index 0000000000..133f29fc4b
--- /dev/null
+++ b/arch/arm/include/asm/arch-lpc32xx/wdt.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+
+#ifndef _LPC32XX_WDT_H
+#define _LPC32XX_WDT_H
+
+#include <asm/types.h>
+
+/* Watchdog Timer Registers */
+struct wdt_regs {
+	u32 isr;		/* Interrupt Status Register		*/
+	u32 ctrl;		/* Control Register			*/
+	u32 counter;		/* Counter Value Register		*/
+	u32 mctrl;		/* Match Control Register		*/
+	u32 match0;		/* Match 0 Register			*/
+	u32 emr;		/* External Match Control Register	*/
+	u32 pulse;		/* Reset Pulse Length Register		*/
+	u32 res;		/* Reset Source Register		*/
+};
+
+/* Watchdog Timer Control Register bits */
+#define WDTIM_CTRL_PAUSE_EN		(1 << 2)
+#define WDTIM_CTRL_RESET_COUNT		(1 << 1)
+#define WDTIM_CTRL_COUNT_ENAB		(1 << 0)
+
+/* Watchdog Timer Match Control Register bits */
+#define WDTIM_MCTRL_RESFRC2		(1 << 6)
+#define WDTIM_MCTRL_RESFRC1		(1 << 5)
+#define WDTIM_MCTRL_M_RES2		(1 << 4)
+#define WDTIM_MCTRL_M_RES1		(1 << 3)
+#define WDTIM_MCTRL_STOP_COUNT0		(1 << 2)
+#define WDTIM_MCTRL_RESET_COUNT0	(1 << 1)
+#define WDTIM_MCTRL_MR0_INT		(1 << 0)
+
+#endif /* _LPC32XX_WDT_H */