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ramips: add watchdog device for RT305x

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25127 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2011-01-26 20:48:46 +00:00
parent 8e047f5e1f
commit a86c456862
3 changed files with 34 additions and 0 deletions
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28
target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
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@@ -189,3 +189,31 @@ void __init rt305x_register_wifi(void)
{
platform_device_register(&rt305x_wifi_device);
}
static struct resource rt305x_wdt_resources[] = {
{
.start = RT305X_TIMER_BASE,
.end = RT305X_TIMER_BASE + RT305X_TIMER_SIZE - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device rt305x_wdt_device = {
.name = "ramips-wdt",
.id = -1,
.resource = rt305x_wdt_resources,
.num_resources = ARRAY_SIZE(rt305x_wdt_resources),
};
void __init rt305x_register_wdt(void)
{
u32 t;
/* enable WDT reset output on pin SRAM_CS_N */
t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
t |= SYSTEM_CONFIG_SRAM_CS0_MODE_WDT <<
SYSTEM_CONFIG_SRAM_CS0_MODE_SHIFT;
rt305x_sysc_wr(t, SYSC_REG_SYSTEM_CONFIG);
platform_device_register(&rt305x_wdt_device);
}