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author | John Crispin <john@openwrt.org> | 2014-03-18 19:21:56 +0000 |
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committer | John Crispin <john@openwrt.org> | 2014-03-18 19:21:56 +0000 |
commit | 332b94fbd524b944d2296b8ae0bf3db90a64ac90 (patch) | |
tree | 4eef4c2285c01b870a57a2f663612a4fe53df534 /target/linux/ramips/patches-3.10/0505-watchdog-add-MT7621-support.patch | |
parent | 8a97da18e00ac36bdb5871d903044fc9b0826bfd (diff) | |
download | mtk-20170518-332b94fbd524b944d2296b8ae0bf3db90a64ac90.zip mtk-20170518-332b94fbd524b944d2296b8ae0bf3db90a64ac90.tar.gz mtk-20170518-332b94fbd524b944d2296b8ae0bf3db90a64ac90.tar.bz2 |
ralink: refresh patches
Signed-off-by: John Crispin <blogic@openwrt.org>
SVN-Revision: 39949
Diffstat (limited to 'target/linux/ramips/patches-3.10/0505-watchdog-add-MT7621-support.patch')
-rw-r--r-- | target/linux/ramips/patches-3.10/0505-watchdog-add-MT7621-support.patch | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/target/linux/ramips/patches-3.10/0505-watchdog-add-MT7621-support.patch b/target/linux/ramips/patches-3.10/0505-watchdog-add-MT7621-support.patch deleted file mode 100644 index b1d2da7..0000000 --- a/target/linux/ramips/patches-3.10/0505-watchdog-add-MT7621-support.patch +++ /dev/null @@ -1,229 +0,0 @@ -From eb50d97682d78af68388d24956a74de4ab751cf7 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 2 Dec 2013 16:18:36 +0100 -Subject: [PATCH 505/507] watchdog: add MT7621 support - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - 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 -@@ -1116,7 +1116,14 @@ config LANTIQ_WDT - config RALINK_WDT - tristate "Ralink SoC watchdog" - select WATCHDOG_CORE -- depends on RALINK -+ depends on RALINK && !SOC_MT7621 -+ help -+ Hardware driver for the Ralink SoC Watchdog Timer. -+ -+config MT7621_WDT -+ tristate "Mediatek SoC watchdog" -+ select WATCHDOG_CORE -+ depends on RALINK && SOC_MT7621 - help - Hardware driver for the Ralink SoC Watchdog Timer. - ---- a/drivers/watchdog/Makefile -+++ b/drivers/watchdog/Makefile -@@ -136,6 +136,7 @@ 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 <juhosg@openwrt.org> -+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> -+ * -+ * 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 <linux/clk.h> -+#include <linux/reset.h> -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/watchdog.h> -+#include <linux/miscdevice.h> -+#include <linux/moduleparam.h> -+#include <linux/platform_device.h> -+ -+#include <asm/mach-ralink/ralink_regs.h> -+ -+#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 <blogic@openwrt.org"); -+MODULE_LICENSE("GPL v2"); -+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); |