sp_min: Implement `sp_min_plat_runtime_setup()`

On ARM platforms before exiting from SP_MIN ensure that
the default console is switched to the runtime serial port.

Change-Id: I0ca0d42cc47e345d56179eac16aa3d6712767c9b
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
diff --git a/include/bl32/sp_min/platform_sp_min.h b/include/bl32/sp_min/platform_sp_min.h
index 5b4a5c3..70c5c14 100644
--- a/include/bl32/sp_min/platform_sp_min.h
+++ b/include/bl32/sp_min/platform_sp_min.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -12,8 +12,9 @@
  ******************************************************************************/
 void sp_min_early_platform_setup(void *from_bl2,
 		void *plat_params_from_bl2);
-void sp_min_plat_arch_setup(void);
 void sp_min_platform_setup(void);
+void sp_min_plat_runtime_setup(void);
+void sp_min_plat_arch_setup(void);
 entry_point_info_t *sp_min_plat_get_bl33_ep_info(void);
 
 #endif /* __PLATFORM_SP_MIN_H__ */
diff --git a/include/plat/arm/board/common/board_css_def.h b/include/plat/arm/board/common/board_css_def.h
index 11c4b17..b0a6baf 100644
--- a/include/plat/arm/board/common/board_css_def.h
+++ b/include/plat/arm/board/common/board_css_def.h
@@ -54,6 +54,9 @@
 #define PLAT_ARM_BL31_RUN_UART_BASE		SOC_CSS_UART1_BASE
 #define PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ	SOC_CSS_UART1_CLK_IN_HZ
 
+#define PLAT_ARM_SP_MIN_RUN_UART_BASE		SOC_CSS_UART1_BASE
+#define PLAT_ARM_SP_MIN_RUN_UART_CLK_IN_HZ	SOC_CSS_UART1_CLK_IN_HZ
+
 #define PLAT_ARM_CRASH_UART_BASE		PLAT_ARM_BL31_RUN_UART_BASE
 #define PLAT_ARM_CRASH_UART_CLK_IN_HZ		PLAT_ARM_BL31_RUN_UART_CLK_IN_HZ
 
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index 62c0ce7..e61c22f 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -163,6 +163,7 @@
 /* SP_MIN utility functions */
 void arm_sp_min_early_platform_setup(void *from_bl2,
 		void *plat_params_from_bl2);
+void arm_sp_min_plat_runtime_setup(void);
 
 /* FIP TOC validity check */
 int arm_io_is_toc_valid(void);