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ramips: add watchdog device for RT288x

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25129 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2011-01-26 20:48:50 +00:00
parent f019ef96de
commit 78f0155856
3 changed files with 33 additions and 0 deletions
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27
target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c
View File

@@ -171,3 +171,30 @@ void __init rt288x_register_ethernet(void)
platform_device_register(&rt288x_eth_device);
}
static struct resource rt288x_wdt_resources[] = {
{
.start = RT2880_TIMER_BASE,
.end = RT2880_TIMER_BASE + RT2880_TIMER_SIZE - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device rt288x_wdt_device = {
.name = "ramips-wdt",
.id = -1,
.resource = rt288x_wdt_resources,
.num_resources = ARRAY_SIZE(rt288x_wdt_resources),
};
void __init rt288x_register_wdt(void)
{
u32 t;
/* enable WDT reset output on pin SRAM_CS_N */
t = rt288x_sysc_rr(SYSC_REG_CLKCFG);
t |= CLKCFG_SRAM_CS_N_WDT;
rt288x_sysc_wr(t, SYSC_REG_CLKCFG);
platform_device_register(&rt288x_wdt_device);
}

2
target/linux/ramips/files/arch/mips/ralink/rt288x/devices.h
View File

@@ -20,4 +20,6 @@ void rt288x_register_wifi(void);
extern struct ramips_eth_platform_data rt288x_eth_data;
void rt288x_register_ethernet(void);
void rt288x_register_wdt(void);
#endif /* __ASM_MACH_RT288X_PLATFORM_H */