cpus: Add support for all Denver variants

This patch adds support for all variants of the Denver CPUs. The
variants export their cpu_ops to allow all Denver platforms to run
the Trusted Firmware stack.

Change-Id: I1488813ddfd506ffe363d8a32cda1b575e437035
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

include/lib/cpus/aarch64/denver.h

@@ -31,8 +31,15 @@
 #ifndef __DENVER_H__
 #define __DENVER_H__
 
-/* MIDR for Denver v1.0 */
-#define DENVER_1_0_MIDR			0x4E0F0000
+/* MIDR values for Denver */
+#define DENVER_MIDR_PN0			0x4E0F0000
+#define DENVER_MIDR_PN1			0x4E0F0010
+#define DENVER_MIDR_PN2			0x4E0F0020
+#define DENVER_MIDR_PN3			0x4E0F0030
+#define DENVER_MIDR_PN4			0x4E0F0040
+
+/* Implementer code in the MIDR register */
+#define DENVER_IMPL			0x4E
 
 /* CPU state ids - implementation defined */
 #define DENVER_CPU_STATE_POWER_DOWN	0x3

lib/cpus/aarch64/denver.S

@@ -163,7 +163,27 @@ func denver_cpu_reg_dump
 	ret
 endfunc denver_cpu_reg_dump
 
-declare_cpu_ops denver, DENVER_1_0_MIDR, \
+declare_cpu_ops denver, DENVER_MIDR_PN0, \
+	denver_reset_func, \
+	denver_core_pwr_dwn, \
+	denver_cluster_pwr_dwn
+
+declare_cpu_ops denver, DENVER_MIDR_PN1, \
+	denver_reset_func, \
+	denver_core_pwr_dwn, \
+	denver_cluster_pwr_dwn
+
+declare_cpu_ops denver, DENVER_MIDR_PN2, \
+	denver_reset_func, \
+	denver_core_pwr_dwn, \
+	denver_cluster_pwr_dwn
+
+declare_cpu_ops denver, DENVER_MIDR_PN3, \
+	denver_reset_func, \
+	denver_core_pwr_dwn, \
+	denver_cluster_pwr_dwn
+
+declare_cpu_ops denver, DENVER_MIDR_PN4, \
 	denver_reset_func, \
 	denver_core_pwr_dwn, \
 	denver_cluster_pwr_dwn