From c59b0d680a93e745d8606dbd69843137e51d12c6 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 16 Mar 2015 07:39:46 +0000 Subject: ralink: drop 3.14 support Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44811 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../0056-watchdog-add-MT7621-support.patch | 227 --------------------- 1 file changed, 227 deletions(-) delete mode 100644 target/linux/ramips/patches-3.14/0056-watchdog-add-MT7621-support.patch (limited to 'target/linux/ramips/patches-3.14/0056-watchdog-add-MT7621-support.patch') diff --git a/target/linux/ramips/patches-3.14/0056-watchdog-add-MT7621-support.patch b/target/linux/ramips/patches-3.14/0056-watchdog-add-MT7621-support.patch deleted file mode 100644 index 11f8a426b2..0000000000 --- a/target/linux/ramips/patches-3.14/0056-watchdog-add-MT7621-support.patch +++ /dev/null @@ -1,227 +0,0 @@ -From 6a42dd698ddf91b6e9902b17e21dc13c6ae412ff Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Sun, 16 Mar 2014 05:24:42 +0000 -Subject: [PATCH 56/57] watchdog: add MT7621 support - -Signed-off-by: John Crispin ---- - drivers/watchdog/Kconfig | 7 ++ - drivers/watchdog/Makefile | 1 + - drivers/watchdog/mt7621_wdt.c | 185 +++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 193 insertions(+) - create mode 100644 drivers/watchdog/mt7621_wdt.c - ---- a/drivers/watchdog/Kconfig -+++ b/drivers/watchdog/Kconfig -@@ -1202,6 +1202,13 @@ config RALINK_WDT - help - Hardware driver for the Ralink SoC Watchdog Timer. - -+config MT7621_WDT -+ tristate "Mediatek SoC watchdog" -+ select WATCHDOG_CORE -+ depends on SOC_MT7620 || SOC_MT7621 -+ help -+ Hardware driver for the Ralink SoC Watchdog Timer. -+ - # PARISC Architecture - - # POWERPC Architecture ---- a/drivers/watchdog/Makefile -+++ b/drivers/watchdog/Makefile -@@ -139,6 +139,7 @@ obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o - octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o - obj-$(CONFIG_LANTIQ_WDT) += lantiq_wdt.o - obj-$(CONFIG_RALINK_WDT) += rt2880_wdt.o -+obj-$(CONFIG_MT7621_WDT) += mt7621_wdt.o - - # PARISC Architecture - ---- /dev/null -+++ b/drivers/watchdog/mt7621_wdt.c -@@ -0,0 +1,185 @@ -+/* -+ * Ralink RT288x/RT3xxx/MT76xx built-in hardware watchdog timer -+ * -+ * Copyright (C) 2011 Gabor Juhos -+ * Copyright (C) 2013 John Crispin -+ * -+ * This driver was based on: drivers/watchdog/softdog.c -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License version 2 as published -+ * by the Free Software Foundation. -+ */ -+ -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+#include -+ -+#include -+ -+#define SYSC_RSTSTAT 0x38 -+#define WDT_RST_CAUSE BIT(1) -+ -+#define RALINK_WDT_TIMEOUT 30 -+ -+#define TIMER_REG_TMRSTAT 0x00 -+#define TIMER_REG_TMR1LOAD 0x24 -+#define TIMER_REG_TMR1CTL 0x20 -+ -+#define TMR1CTL_ENABLE BIT(7) -+#define TMR1CTL_RESTART BIT(9) -+ -+static void __iomem *mt762x_wdt_base; -+ -+static bool nowayout = WATCHDOG_NOWAYOUT; -+module_param(nowayout, bool, 0); -+MODULE_PARM_DESC(nowayout, -+ "Watchdog cannot be stopped once started (default=" -+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -+ -+static inline void rt_wdt_w32(unsigned reg, u32 val) -+{ -+ iowrite32(val, mt762x_wdt_base + reg); -+} -+ -+static inline u32 rt_wdt_r32(unsigned reg) -+{ -+ return ioread32(mt762x_wdt_base + reg); -+} -+ -+static int mt762x_wdt_ping(struct watchdog_device *w) -+{ -+ rt_wdt_w32(TIMER_REG_TMRSTAT, TMR1CTL_RESTART); -+ -+ return 0; -+} -+ -+static int mt762x_wdt_set_timeout(struct watchdog_device *w, unsigned int t) -+{ -+ w->timeout = t; -+ rt_wdt_w32(TIMER_REG_TMR1LOAD, t * 1000); -+ mt762x_wdt_ping(w); -+ -+ return 0; -+} -+ -+static int mt762x_wdt_start(struct watchdog_device *w) -+{ -+ u32 t; -+ -+ rt_wdt_w32(TIMER_REG_TMR1CTL, 1000 << 16); -+ mt762x_wdt_set_timeout(w, w->timeout); -+ -+ t = rt_wdt_r32(TIMER_REG_TMR1CTL); -+ t |= TMR1CTL_ENABLE; -+ rt_wdt_w32(TIMER_REG_TMR1CTL, t); -+ -+ return 0; -+} -+ -+static int mt762x_wdt_stop(struct watchdog_device *w) -+{ -+ u32 t; -+ -+ mt762x_wdt_ping(w); -+ -+ t = rt_wdt_r32(TIMER_REG_TMR1CTL); -+ t &= ~TMR1CTL_ENABLE; -+ rt_wdt_w32(TIMER_REG_TMR1CTL, t); -+ -+ return 0; -+} -+ -+static int mt762x_wdt_bootcause(void) -+{ -+ if (rt_sysc_r32(SYSC_RSTSTAT) & WDT_RST_CAUSE) -+ return WDIOF_CARDRESET; -+ -+ return 0; -+} -+ -+static struct watchdog_info mt762x_wdt_info = { -+ .identity = "Mediatek Watchdog", -+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE, -+}; -+ -+static struct watchdog_ops mt762x_wdt_ops = { -+ .owner = THIS_MODULE, -+ .start = mt762x_wdt_start, -+ .stop = mt762x_wdt_stop, -+ .ping = mt762x_wdt_ping, -+ .set_timeout = mt762x_wdt_set_timeout, -+}; -+ -+static struct watchdog_device mt762x_wdt_dev = { -+ .info = &mt762x_wdt_info, -+ .ops = &mt762x_wdt_ops, -+ .min_timeout = 1, -+}; -+ -+static int mt762x_wdt_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ int ret; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ mt762x_wdt_base = devm_request_and_ioremap(&pdev->dev, res); -+ if (IS_ERR(mt762x_wdt_base)) -+ return PTR_ERR(mt762x_wdt_base); -+ -+ device_reset(&pdev->dev); -+ -+ mt762x_wdt_dev.dev = &pdev->dev; -+ mt762x_wdt_dev.bootstatus = mt762x_wdt_bootcause(); -+ mt762x_wdt_dev.max_timeout = (0xfffful / 1000); -+ mt762x_wdt_dev.timeout = mt762x_wdt_dev.max_timeout; -+ -+ watchdog_set_nowayout(&mt762x_wdt_dev, nowayout); -+ -+ ret = watchdog_register_device(&mt762x_wdt_dev); -+ if (!ret) -+ dev_info(&pdev->dev, "Initialized\n"); -+ -+ return 0; -+} -+ -+static int mt762x_wdt_remove(struct platform_device *pdev) -+{ -+ watchdog_unregister_device(&mt762x_wdt_dev); -+ -+ return 0; -+} -+ -+static void mt762x_wdt_shutdown(struct platform_device *pdev) -+{ -+ mt762x_wdt_stop(&mt762x_wdt_dev); -+} -+ -+static const struct of_device_id mt762x_wdt_match[] = { -+ { .compatible = "mtk,mt7621-wdt" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, mt762x_wdt_match); -+ -+static struct platform_driver mt762x_wdt_driver = { -+ .probe = mt762x_wdt_probe, -+ .remove = mt762x_wdt_remove, -+ .shutdown = mt762x_wdt_shutdown, -+ .driver = { -+ .name = KBUILD_MODNAME, -+ .owner = THIS_MODULE, -+ .of_match_table = mt762x_wdt_match, -+ }, -+}; -+ -+module_platform_driver(mt762x_wdt_driver); -+ -+MODULE_DESCRIPTION("MediaTek MT762x hardware watchdog driver"); -+MODULE_AUTHOR("John Crispin