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-rw-r--r--arch/arm/cpu/armv7/ls102xa/cpu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c
index df2e1b7..2215fe9 100644
--- a/arch/arm/cpu/armv7/ls102xa/cpu.c
+++ b/arch/arm/cpu/armv7/ls102xa/cpu.c
@@ -372,3 +372,13 @@ void reset_cpu(ulong addr)
*/
}
}
+
+void arch_preboot_os(void)
+{
+ unsigned long ctrl;
+
+ /* Disable PL1 Physical Timer */
+ asm("mrc p15, 0, %0, c14, c2, 1" : "=r" (ctrl));
+ ctrl &= ~ARCH_TIMER_CTRL_ENABLE;
+ asm("mcr p15, 0, %0, c14, c2, 1" : : "r" (ctrl));
+}