uniphier: add TSP support

Add TSP to test BL32 without relying on external projects.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

docs/plat/socionext-uniphier.md

@@ -121,3 +121,10 @@ To enable BL32, add the following option to the build command:
 ```
   SPD=<spd> BL32=<path-to-BL32>
 ```
+
+If you use TSP for BL32, `BL32=<path-to-BL32>` is not required.  Just add the
+following:
+
+```
+  SPD=tspd
+```

plat/socionext/uniphier/include/platform_def.h

@@ -61,4 +61,9 @@
 #define MAX_IO_DEVICES			2
 #define MAX_IO_BLOCK_DEVICES		1
 
+#define TSP_SEC_MEM_BASE		(BL32_BASE)
+#define TSP_SEC_MEM_SIZE		((BL32_LIMIT) - (BL32_BASE))
+#define TSP_PROGBITS_LIMIT		(UNIPHIER_BLOCK_BUF_BASE)
+#define TSP_IRQ_SEC_PHY_TIMER		29
+
 #endif /* __PLATFORM_DEF_H__ */

plat/socionext/uniphier/tsp/tsp-uniphier.mk

+#
+# Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+BL32_SOURCES		+=	plat/common/plat_gicv3.c		\
+				plat/common/aarch64/platform_mp_stack.S \
+				$(PLAT_PATH)/tsp/uniphier_tsp_setup.c

plat/socionext/uniphier/tsp/uniphier_tsp_setup.c

+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+#include <xlat_mmu_helpers.h>
+
+#include "../uniphier.h"
+
+#define BL32_END		(unsigned long)(&__BL32_END__)
+#define BL32_SIZE		((BL32_END) - (BL32_BASE))
+
+void tsp_early_platform_setup(void)
+{
+	uniphier_console_setup();
+}
+
+void tsp_platform_setup(void)
+{
+}
+
+void tsp_plat_arch_setup(void)
+{
+	uniphier_mmap_setup(BL32_BASE, BL32_SIZE, NULL);
+	enable_mmu_el1(0);
+}