From 78f01558563d4e6cbb1f60b45fd4530addbb1a57 Mon Sep 17 00:00:00 2001 From: juhosg Date: Wed, 26 Jan 2011 20:48:50 +0000 Subject: ramips: add watchdog device for RT288x git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25129 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../ramips/files/arch/mips/ralink/rt288x/devices.c | 27 ++++++++++++++++++++++ .../ramips/files/arch/mips/ralink/rt288x/devices.h | 2 ++ 2 files changed, 29 insertions(+) (limited to 'target/linux/ramips/files/arch/mips/ralink/rt288x') diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c index 6a5cf392e..fd6122f58 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c +++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c @@ -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); +} diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.h b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.h index 1ffbfb2a8..0df17368a 100644 --- a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.h +++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.h @@ -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 */ -- cgit v1.2.3