armv8/ls2085a: Add support for reset request

Add support for reset_cpu() by asserting RESET_REQ_B.

Signed-off-by: pankaj chauhan <pankaj.chauhan@freescale.com>
Signed-off-by: York Sun <yorksun@freescale.com>

arch/arm/cpu/armv8/fsl-lsch3/cpu.c

@@ -419,3 +419,14 @@ int timer_init(void)
 
 	return 0;
 }
+
+void reset_cpu(ulong addr)
+{
+	u32 __iomem *rstcr = (u32 *)CONFIG_SYS_FSL_RST_ADDR;
+	u32 val;
+
+	/* Raise RESET_REQ_B */
+	val = in_le32(rstcr);
+	val |= 0x02;
+	out_le32(rstcr, val);
+}

board/freescale/ls2085a/ls2085a.c

@@ -55,13 +55,6 @@ int dram_init(void)
 	return 0;
 }
 
-/*
- * Board specific reset that is system reset.
- */
-void reset_cpu(ulong addr)
-{
-}
-
 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
 {