ARM: 6077/1: ux500: add SOC Kconfig variables

This adds the different config options for SoCs DB8500 and DB5500 and
refines the SoC/CPU detection code to support the DB5500 as well via
these.  The selection between DB5500 and DB8500 is currently a simple
compile-time choice.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 11 insertions, 2 deletions

diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h
index 99ca89fe9b30..d86b3543dd23 100644
--- a/arch/arm/mach-ux500/include/mach/hardware.h
+++ b/arch/arm/mach-ux500/include/mach/hardware.h
@@ -147,14 +147,23 @@
 
 #include <asm/cputype.h>
 
+static inline bool cpu_is_u8500(void)
+{
+#ifdef CONFIG_UX500_SOC_DB8500
+        return 1;
+#else
+        return 0;
+#endif
+}
+
 static inline bool cpu_is_u8500ed(void)
 {
-        return (read_cpuid_id() & 15) == 0;
+        return cpu_is_u8500() && (read_cpuid_id() & 15) == 0;
 }
 
 static inline bool cpu_is_u8500v1(void)
 {
-        return (read_cpuid_id() & 15) == 1;
+        return cpu_is_u8500() && (read_cpuid_id() & 15) == 1;
 }
 
 #endif