Merge git://git.denx.de/u-boot-fsl-qoriq

[u-boot] / arch / arm / cpu / armv8 / fsl-layerscape / cpu.c

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 9c575c14d73b7897d99fac64794507e7c9b74bd8..8062106e3e90fad3df513ab7e4a4e26fbdab2115 100644 (file)
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -643,6 +643,9 @@ int timer_init(void)
 #ifdef CONFIG_FSL_LSCH3
        u32 __iomem *cltbenr = (u32 *)CONFIG_SYS_FSL_PMU_CLTBENR;
 #endif
+#ifdef CONFIG_LS2080A
+       u32 __iomem *pctbenr = (u32 *)FSL_PMU_PCTBENR_OFFSET;
+#endif
 #ifdef COUNTER_FREQUENCY_REAL
        unsigned long cntfrq = COUNTER_FREQUENCY_REAL;
 
@@ -657,6 +660,15 @@ int timer_init(void)
        out_le32(cltbenr, 0xf);
 #endif
 
+#ifdef CONFIG_LS2080A
+       /*
+        * In certain Layerscape SoCs, the clock for each core's
+        * has an enable bit in the PMU Physical Core Time Base Enable
+        * Register (PCTBENR), which allows the watchdog to operate.
+        */
+       setbits_le32(pctbenr, 0xff);
+#endif
+
        /* Enable clock for timer
         * This is a global setting.
         */