ftwdt010_wdt: move header to include/faraday and enhance

1. Move header to include/faraday
2. Fix include path in ftwdt010_wdt.c
3. Fix function prototype and declaration to
  - ftwdt010_wdt_settimeout
  - ftwdt010_wdt_reset
  - ftwdt010_wdt_disable
4. Add "#if definde (CONFIG_HW_WATCHDOG)" let user have flexibilty
  to choose which better to his product.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>

2 files changed, 7 insertions, 108 deletions

diff --git a/drivers/watchdog/ftwdt010_wdt.c b/drivers/watchdog/ftwdt010_wdt.c
index 6e0617b6a29..c9cb53ed4f1 100644
--- a/drivers/watchdog/ftwdt010_wdt.c
+++ b/drivers/watchdog/ftwdt010_wdt.c
@@ -29,13 +29,13 @@
 #include <common.h>
 #include <watchdog.h>
 #include <asm/io.h>
-#include "ftwdt010_wdt.h"
+#include <faraday/ftwdt010_wdt.h>
 
 /*
  * Set the watchdog time interval.
  * Counter is 32 bit.
  */
-static int ftwdt010_wdt_settimeout(unsigned int timeout)
+int ftwdt010_wdt_settimeout(unsigned int timeout)
 {
 	unsigned int reg;
 
@@ -61,7 +61,7 @@ static int ftwdt010_wdt_settimeout(unsigned int timeout)
 	return 0;
 }
 
-void ftwdt010_wdt_reset()
+void ftwdt010_wdt_reset(void)
 {
 	struct ftwdt010_wdt *wd = (struct ftwdt010_wdt *)CONFIG_FTWDT010_BASE;
 
@@ -75,7 +75,7 @@ void ftwdt010_wdt_reset()
 	writel((FTWDT010_WDCR_RST | FTWDT010_WDCR_ENABLE), &wd->wdcr);
 }
 
-void ftwdt010_wdt_disable()
+void ftwdt010_wdt_disable(void)
 {
 	struct ftwdt010_wdt *wd = (struct ftwdt010_wdt *)CONFIG_FTWDT010_BASE;
 
@@ -90,7 +90,8 @@ void ftwdt010_wdt_disable()
 	writel(0, &wd->wdcr);
 }
 
-void hw_watchdog_reset()
+#if defined(CONFIG_HW_WATCHDOG)
+void hw_watchdog_reset(void)
 {
 	ftwdt010_wdt_reset();
 }
@@ -100,3 +101,4 @@ void hw_watchdog_init(void)
 	/* set timer in ms */
 	ftwdt010_wdt_settimeout(CONFIG_FTWDT010_HW_TIMEOUT * 1000);
 }
+#endif
diff --git a/drivers/watchdog/ftwdt010_wdt.h b/drivers/watchdog/ftwdt010_wdt.h
deleted file mode 100644
index 8f4fd68bd73..00000000000
--- a/drivers/watchdog/ftwdt010_wdt.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Watchdog driver for the FTWDT010 Watch Dog Driver
- *
- * (c) Copyright 2004 Faraday Technology Corp. (www.faraday-tech.com)
- * Based on sa1100_wdt.c by Oleg Drokin <green@crimea.edu>
- * Based on SoftDog driver by Alan Cox <alan@redhat.com>
- *
- * Copyright (C) 2011 Andes Technology Corporation
- * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * 27/11/2004 Initial release, Faraday.
- * 12/01/2011 Port to u-boot, Macpaul Lin.
- */
-
-#ifndef __FTWDT010_H
-#define __FTWDT010_H
-
-struct ftwdt010_wdt {
-	unsigned int	wdcounter;	/* Counter Reg		- 0x00 */
-	unsigned int	wdload;		/* Counter Auto Reload Reg - 0x04 */
-	unsigned int	wdrestart;	/* Counter Restart Reg	- 0x08 */
-	unsigned int	wdcr;		/* Control Reg		- 0x0c */
-	unsigned int	wdstatus;	/* Status Reg		- 0x10 */
-	unsigned int	wdclear;	/* Timer Clear		- 0x14 */
-	unsigned int	wdintrlen;	/* Interrupt Length	- 0x18 */
-};
-
-/*
- * WDLOAD - Counter Auto Reload Register
- *   The Auto Reload Register is set to 0x03EF1480 (66Mhz) by default.
- *   Which means in a 66MHz system, the period of Watch Dog timer reset is
- *   one second.
- */
-#define FTWDT010_WDLOAD(x)		((x) & 0xffffffff)
-
-/*
- * WDRESTART - Watch Dog Timer Counter Restart Register
- *   If writing 0x5AB9 to WDRESTART register, Watch Dog timer will
- *   automatically reload WDLOAD to WDCOUNTER and restart counting.
- */
-#define FTWDT010_WDRESTART_MAGIC	0x5AB9
-
-/* WDCR - Watch Dog Timer Control Register */
-#define FTWDT010_WDCR_ENABLE		(1 << 0)
-#define FTWDT010_WDCR_RST		(1 << 1)
-#define FTWDT010_WDCR_INTR		(1 << 2)
-/* FTWDT010_WDCR_EXT bit: Watch Dog Timer External Signal Enable */
-#define FTWDT010_WDCR_EXT		(1 << 3)
-/* FTWDT010_WDCR_CLOCK bit: Clock Source: 0: PCLK, 1: EXTCLK.
- *  The clock source PCLK cannot be gated when system sleeps, even if
- *  WDCLOCK bit is turned on.
- *
- *  Faraday's Watch Dog timer can be driven by an external clock. The
- *  programmer just needs to write one to WdCR[WdClock] bit.
- *
- *  Note: There is a limitation between EXTCLK and PCLK:
- *  EXTCLK cycle time / PCLK cycle time > 2.
- *  If the system does not need an external clock,
- *  just keep WdCR[WdClock] bit in its default value.
- */
-#define FTWDT010_WDCR_CLOCK		(1 << 4)
-
-/*
- * WDSTATUS - Watch Dog Timer Status Register
- *   This bit is set when the counter reaches Zero
- */
-#define FTWDT010_WDSTATUS(x)		((x) & 0x1)
-
-/*
- * WDCLEAR - Watch Dog Timer Clear Register
- *   Writing one to this register will clear WDSTATUS.
- */
-#define FTWDT010_WDCLEAR		(1 << 0)
-
-/*
- * WDINTRLEN - Watch Dog Timer Interrupt Length
- *   This register controls the duration length of wd_rst, wd_intr and wd_ext.
- *   The default value is 0xFF.
- */
-#define FTWDT010_WDINTRLEN(x)		((x) & 0xff)
-
-/*
- * Variable timeout should be set in ms.
- * (CONFIG_SYS_CLK_FREQ/1000) equals 1 ms.
- * WDLOAD = timeout * TIMEOUT_FACTOR.
- */
-#define FTWDT010_TIMEOUT_FACTOR		(CONFIG_SYS_CLK_FREQ / 1000) /* 1 ms */
-
-#endif /* __FTWDT010_H */