[U-Boot] [PATCH 02/15] rockchip: Add cpu-info

[Jagan Teki]

Add cpu information for rockchip soc.

This would help to print the SoC family number, with
associated temparature, clock and reason for reset etc.

Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
 arch/arm/mach-rockchip/Makefile   |  1 +
 arch/arm/mach-rockchip/cpu-info.c | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 arch/arm/mach-rockchip/cpu-info.c

diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index a12b8d4434..655b3e3e1a 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -25,6 +25,7 @@ ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TPL_BUILD),)
 # we can have the preprocessor correctly recognise both 0x0 and 0
 # meaning "turn it off".
 obj-y += boot_mode.o
+obj-$(CONFIG_DISPLAY_CPUINFO) += cpu-info.o
 
 obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board.o
 obj-$(CONFIG_ROCKCHIP_RK3128) += rk3128-board.o
diff --git a/arch/arm/mach-rockchip/cpu-info.c b/arch/arm/mach-rockchip/cpu-info.c
new file mode 100644
index 0000000000..088fc806a6
--- /dev/null
+++ b/arch/arm/mach-rockchip/cpu-info.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * (C) Copyright 2019 Amarula Solutions.
+ * Author: Jagan Teki <jagan at amarulasolutions.com>
+ */
+
+#include <common.h>
+
+int print_cpuinfo(void)
+{
+	puts("SoC:   Rockchip ");
+
+	/* TODO print operating temparature and clock */
+# ifdef CONFIG_ROCKCHIP_RK3288
+	puts("RK3288\n");
+# elif CONFIG_ROCKCHIP_RK3399
+	puts("RK3399\n");
+# else
+# warning Please update cpu.c with correct CPU information
+	puts("Family\n");
+# endif
+
+	return 0;
+}
-- 
2.18.0.321.gffc6fa0e3