mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-03 06:26:40 +07:00
68b86a2522
Pull watchdog updates from Wim Van Sebroeck:
"This contains:
- fixes and improvements
- devicetree bindings
- conversion to watchdog generic framework of the following drivers:
- booke_wdt
- bcm47xx_wdt.c
- at91sam9_wdt
- Removal of old STMP3xxx driver
- Addition of following new drivers:
- new driver for STMP3xxx and i.MX23/28
- Retu watchdog driver"
* git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: sp805_wdt depends on ARM
watchdog: davinci_wdt: update to devm_* API
watchdog: davinci_wdt: use devm managed clk get
watchdog: at91rm9200: add DT support
watchdog: add timeout-sec property binding
watchdog: at91sam9_wdt: Convert to use the watchdog framework
watchdog: omap_wdt: Add option nowayout
watchdog: core: dt: add support for the timeout-sec dt property
watchdog: bcm47xx_wdt.c: add hard timer
watchdog: bcm47xx_wdt.c: rename wdt_time to timeout
watchdog: bcm47xx_wdt.c: rename ops methods
watchdog: bcm47xx_wdt.c: use platform device
watchdog: bcm47xx_wdt.c: convert to watchdog core api
watchdog: Convert BookE watchdog driver to watchdog infrastructure
watchdog: s3c2410_wdt: Use devm_* functions
watchdog: remove old STMP3xxx driver
watchdog: add new driver for STMP3xxx and i.MX23/28
rtc: stmp3xxx: add wdt-accessor function
watchdog: introduce retu_wdt driver
watchdog: intel_scu_watchdog: fix Kconfig dependency
...
117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
/*
|
|
* Atheros AR71XX/AR724X/AR913X common devices
|
|
*
|
|
* Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
|
|
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
*
|
|
* Parts of this file are based on Atheros' 2.6.15 BSP
|
|
*
|
|
* 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/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/serial_8250.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/err.h>
|
|
|
|
#include <asm/mach-ath79/ath79.h>
|
|
#include <asm/mach-ath79/ar71xx_regs.h>
|
|
#include <asm/mach-ath79/ar933x_uart_platform.h>
|
|
#include "common.h"
|
|
#include "dev-common.h"
|
|
|
|
static struct resource ath79_uart_resources[] = {
|
|
{
|
|
.start = AR71XX_UART_BASE,
|
|
.end = AR71XX_UART_BASE + AR71XX_UART_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
#define AR71XX_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
|
|
static struct plat_serial8250_port ath79_uart_data[] = {
|
|
{
|
|
.mapbase = AR71XX_UART_BASE,
|
|
.irq = ATH79_MISC_IRQ(3),
|
|
.flags = AR71XX_UART_FLAGS,
|
|
.iotype = UPIO_MEM32,
|
|
.regshift = 2,
|
|
}, {
|
|
/* terminating entry */
|
|
}
|
|
};
|
|
|
|
static struct platform_device ath79_uart_device = {
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM,
|
|
.resource = ath79_uart_resources,
|
|
.num_resources = ARRAY_SIZE(ath79_uart_resources),
|
|
.dev = {
|
|
.platform_data = ath79_uart_data
|
|
},
|
|
};
|
|
|
|
static struct resource ar933x_uart_resources[] = {
|
|
{
|
|
.start = AR933X_UART_BASE,
|
|
.end = AR933X_UART_BASE + AR71XX_UART_SIZE - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = ATH79_MISC_IRQ(3),
|
|
.end = ATH79_MISC_IRQ(3),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct ar933x_uart_platform_data ar933x_uart_data;
|
|
static struct platform_device ar933x_uart_device = {
|
|
.name = "ar933x-uart",
|
|
.id = -1,
|
|
.resource = ar933x_uart_resources,
|
|
.num_resources = ARRAY_SIZE(ar933x_uart_resources),
|
|
.dev = {
|
|
.platform_data = &ar933x_uart_data,
|
|
},
|
|
};
|
|
|
|
void __init ath79_register_uart(void)
|
|
{
|
|
struct clk *clk;
|
|
|
|
clk = clk_get(NULL, "uart");
|
|
if (IS_ERR(clk))
|
|
panic("unable to get UART clock, err=%ld", PTR_ERR(clk));
|
|
|
|
if (soc_is_ar71xx() ||
|
|
soc_is_ar724x() ||
|
|
soc_is_ar913x() ||
|
|
soc_is_ar934x() ||
|
|
soc_is_qca955x()) {
|
|
ath79_uart_data[0].uartclk = clk_get_rate(clk);
|
|
platform_device_register(&ath79_uart_device);
|
|
} else if (soc_is_ar933x()) {
|
|
ar933x_uart_data.uartclk = clk_get_rate(clk);
|
|
platform_device_register(&ar933x_uart_device);
|
|
} else {
|
|
BUG();
|
|
}
|
|
}
|
|
|
|
void __init ath79_register_wdt(void)
|
|
{
|
|
struct resource res;
|
|
|
|
memset(&res, 0, sizeof(res));
|
|
|
|
res.flags = IORESOURCE_MEM;
|
|
res.start = AR71XX_RESET_BASE + AR71XX_RESET_REG_WDOG_CTRL;
|
|
res.end = res.start + 0x8 - 1;
|
|
|
|
platform_device_register_simple("ath79-wdt", -1, &res, 1);
|
|
}
|