ARM: keystone2: add K2L device hardware definitions

This patch adds hardware definitions specific to Keystone II
Lamar (K2L) SoC.

Acked-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h
index c1642a5..adae69e 100644
--- a/arch/arm/include/asm/arch-keystone/hardware.h
+++ b/arch/arm/include/asm/arch-keystone/hardware.h
@@ -143,6 +143,7 @@
 /* Device speed */
 #define KS2_REV1_DEVSPEED		(KS2_DEVICE_STATE_CTRL_BASE + 0xc98)
 #define KS2_EFUSE_BOOTROM		(KS2_DEVICE_STATE_CTRL_BASE + 0xc90)
+#define KS2_MISC_CTRL			(KS2_DEVICE_STATE_CTRL_BASE + 0xc7c)
 
 /* Queue manager */
 #define KS2_QM_BASE_ADDRESS		0x23a80000
@@ -177,6 +178,10 @@
 #include <asm/arch/hardware-k2e.h>
 #endif
 
+#ifdef CONFIG_SOC_K2L
+#include <asm/arch/hardware-k2l.h>
+#endif
+
 #ifndef __ASSEMBLY__
 static inline int cpu_is_k2hk(void)
 {
@@ -194,6 +199,14 @@
 	return (part_no == 0xb9a6) ? 1 : 0;
 }
 
+static inline int cpu_is_k2l(void)
+{
+	unsigned int jtag_id    = __raw_readl(KS2_JTAG_ID_REG);
+	unsigned int part_no    = (jtag_id >> 12) & 0xffff;
+
+	return (part_no == 0xb9a7) ? 1 : 0;
+}
+
 static inline int cpu_revision(void)
 {
 	unsigned int jtag_id	= __raw_readl(KS2_JTAG_ID_REG);