diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/ar7/platform.c | 9 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-ar7/ar7.h | 3 |
2 files changed, 11 insertions, 1 deletions
diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c index e2278c04459d..835f3f0319ca 100644 --- a/arch/mips/ar7/platform.c +++ b/arch/mips/ar7/platform.c @@ -503,6 +503,7 @@ static int __init ar7_register_devices(void) { u16 chip_id; int res; + u32 *bootcr, val; #ifdef CONFIG_SERIAL_8250 static struct uart_port uart_port[2]; @@ -595,7 +596,13 @@ static int __init ar7_register_devices(void) ar7_wdt_res.end = ar7_wdt_res.start + 0x20; - res = platform_device_register(&ar7_wdt); + bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + val = *bootcr; + iounmap(bootcr); + + /* Register watchdog only if enabled in hardware */ + if (val & AR7_WDT_HW_ENA) + res = platform_device_register(&ar7_wdt); return res; } diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h index de71694614de..21cbbc706448 100644 --- a/arch/mips/include/asm/mach-ar7/ar7.h +++ b/arch/mips/include/asm/mach-ar7/ar7.h @@ -78,6 +78,9 @@ #define AR7_REF_CLOCK 25000000 #define AR7_XTAL_CLOCK 24000000 +/* DCL */ +#define AR7_WDT_HW_ENA 0x10 + struct plat_cpmac_data { int reset_bit; int power_bit; |