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Date: Sun, 4 Dec 2016 23:05:40 +0800
From: Yang Ling <gnaygnil@...il.com>
To: ralf@...ux-mips.org, keguang.zhang@...il.com
Cc: gnaygnil@...il.com, linux-mips@...ux-mips.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2.3 3/3] MIPS: loongson1: Add watchdog support for Loongson1
board
The patch adds watchdog support for Loongson1 board.
Signed-off-by: Yang Ling <gnaygnil@...il.com>
---
V2.3:
No change.
V2.2:
Remove the wide character.
V2.1:
No change.
V2.0:
Add watchdog support for loongson1b_defconfig.
V1.1:
Add watchdog support for Loongson1B.
---
arch/mips/configs/loongson1b_defconfig | 4 ++++
arch/mips/configs/loongson1c_defconfig | 4 ++++
arch/mips/include/asm/mach-loongson32/platform.h | 9 +++++----
arch/mips/loongson32/common/platform.c | 16 ++++++++++++++++
arch/mips/loongson32/ls1b/board.c | 7 ++++---
arch/mips/loongson32/ls1c/board.c | 7 ++++---
6 files changed, 37 insertions(+), 10 deletions(-)
diff --git a/arch/mips/configs/loongson1b_defconfig b/arch/mips/configs/loongson1b_defconfig
index c442f27..914c867 100644
--- a/arch/mips/configs/loongson1b_defconfig
+++ b/arch/mips/configs/loongson1b_defconfig
@@ -74,6 +74,10 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_LOONGSON1=y
# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_WATCHDOG_SYSFS=y
+CONFIG_LOONGSON1_WDT=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_HID_GENERIC=m
CONFIG_USB_HID=m
diff --git a/arch/mips/configs/loongson1c_defconfig b/arch/mips/configs/loongson1c_defconfig
index 2304d41..68e42ef 100644
--- a/arch/mips/configs/loongson1c_defconfig
+++ b/arch/mips/configs/loongson1c_defconfig
@@ -75,6 +75,10 @@ CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_LOONGSON1=y
# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_NOWAYOUT=y
+CONFIG_WATCHDOG_SYSFS=y
+CONFIG_LOONGSON1_WDT=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_HID_GENERIC=m
CONFIG_USB_HID=m
diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h
index 7adc313..8f8fa43 100644
--- a/arch/mips/include/asm/mach-loongson32/platform.h
+++ b/arch/mips/include/asm/mach-loongson32/platform.h
@@ -1,9 +1,9 @@
/*
* Copyright (c) 2011 Zhang, Keguang <keguang.zhang@...il.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
+ * 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.
*/
@@ -25,11 +25,12 @@
extern struct platform_device ls1x_gpio1_pdev;
extern struct platform_device ls1x_nand_pdev;
extern struct platform_device ls1x_rtc_pdev;
+extern struct platform_device ls1x_wdt_pdev;
void __init ls1x_clk_init(void);
void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata);
void __init ls1x_nand_set_platdata(struct plat_ls1x_nand *pdata);
-void __init ls1x_serial_set_uartclk(struct platform_device *pdev);
void __init ls1x_rtc_set_extclk(struct platform_device *pdev);
+void __init ls1x_serial_set_uartclk(struct platform_device *pdev);
#endif /* __ASM_MACH_LOONGSON32_PLATFORM_H */
diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c
index 18c2959..a3dabe9 100644
--- a/arch/mips/loongson32/common/platform.c
+++ b/arch/mips/loongson32/common/platform.c
@@ -356,3 +356,19 @@ struct platform_device ls1x_rtc_pdev = {
.name = "ls1x-rtc",
.id = -1,
};
+
+/* Watchdog */
+static struct resource ls1x_wdt_resources[] = {
+ {
+ .start = LS1X_WDT_BASE,
+ .end = LS1X_WDT_BASE + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct platform_device ls1x_wdt_pdev = {
+ .name = "ls1x-wdt",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ls1x_wdt_resources),
+ .resource = ls1x_wdt_resources,
+};
diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c
index 38a1d40..01aceaa 100644
--- a/arch/mips/loongson32/ls1b/board.c
+++ b/arch/mips/loongson32/ls1b/board.c
@@ -1,9 +1,9 @@
/*
* Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@...il.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
+ * 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.
*/
@@ -72,6 +72,7 @@ struct plat_ls1x_nand ls1x_nand_pdata = {
&ls1x_gpio1_pdev,
&ls1x_nand_pdev,
&ls1x_rtc_pdev,
+ &ls1x_wdt_pdev,
};
static int __init ls1b_platform_init(void)
diff --git a/arch/mips/loongson32/ls1c/board.c b/arch/mips/loongson32/ls1c/board.c
index a96bed5..eb2d913 100644
--- a/arch/mips/loongson32/ls1c/board.c
+++ b/arch/mips/loongson32/ls1c/board.c
@@ -1,9 +1,9 @@
/*
* Copyright (c) 2016 Yang Ling <gnaygnil@...il.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
+ * 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.
*/
@@ -13,6 +13,7 @@
&ls1x_uart_pdev,
&ls1x_eth0_pdev,
&ls1x_rtc_pdev,
+ &ls1x_wdt_pdev,
};
static int __init ls1c_platform_init(void)
--
1.9.1
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