[U-Boot] [PATCH v2 2/8] ARM: keystone2: Enable CONFIG_DISPLAY_CPUINFO

[Lokesh Vutla]

Add print_cpuinfo() function and enable
CONFIG_DISPLAY_CPUINFO for keystone platforms,
so that cpu info can be displayed during boot.

Reviewed-by: Tom Rini <trini at konsulko.com>
Reviewed-by: Vitaly Andrianov <vitalya at ti.com> 
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 arch/arm/mach-keystone/init.c        | 32 ++++++++++++++++++++++++++++++++
 include/configs/ti_armv7_keystone2.h |  1 +
 2 files changed, 33 insertions(+)

diff --git a/arch/arm/mach-keystone/init.c b/arch/arm/mach-keystone/init.c
index c96845c..a9a7d41 100644
--- a/arch/arm/mach-keystone/init.c
+++ b/arch/arm/mach-keystone/init.c
@@ -149,3 +149,35 @@ void enable_caches(void)
 	dcache_enable();
 #endif
 }
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+	u16 cpu = get_part_number();
+	u8 rev = cpu_revision();
+
+	puts("CPU: ");
+	switch (cpu) {
+	case CPU_66AK2Hx:
+		puts("66AK2Hx SR");
+		break;
+	case CPU_66AK2Lx:
+		puts("66AK2Lx SR");
+		break;
+	case CPU_66AK2Ex:
+		puts("66AK2Ex SR");
+		break;
+	default:
+		puts("Unknown\n");
+	}
+
+	if (rev == 2)
+		puts("2.0\n");
+	else if (rev == 1)
+		puts("1.1\n");
+	else if (rev == 0)
+		puts("1.0\n");
+
+	return 0;
+}
+#endif
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index 198e365..056b938 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -15,6 +15,7 @@
 /* U-Boot Build Configuration */
 #define CONFIG_SKIP_LOWLEVEL_INIT	/* U-Boot is a 2nd stage loader */
 #define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_DISPLAY_CPUINFO
 
 /* SoC Configuration */
 #define CONFIG_ARCH_CPU_INIT
-- 
2.1.4