[brcm63xx] fix reboot hang on bcm6345, thanks AndyI

SVN-Revision: 17465

diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/setup.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/setup.c
index 95760ae44afeb04fec08661e0eac62a755752736..6d1ce6442e4e709cfb3955b702f48b669759e12e 100644 (file)
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/setup.c
+++ b/target/linux/brcm63xx/files/arch/mips/bcm63xx/setup.c
@@ -73,7 +73,9 @@ void bcm63xx_machine_reboot(void)
                bcm6348_a1_reboot();
 
        printk(KERN_INFO "triggering watchdog soft-reset...\n");
-       bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG);
+       reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG);
+       reg |= SYS_PLL_SOFT_RESET;
+       bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG);
        while (1);
 }