[ARM] 3286/2: S3C2400 - adds to the table of supported CPUs

Patch from Lucas Correia Villa Real

Oops, sorry for the typo on name_s3c2400, a new patch is attached.
About GSTATUS1, S3C2400 doesn't have that register, so it's not
safe to use that memory address to identify its CPU.

Signed-off-by: Lucas Correia Villa Real <lucasvr@gobolinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 16 insertions, 2 deletions

diff --git a/arch/arm/mach-s3c2410/cpu.c b/arch/arm/mach-s3c2410/cpu.c
index 687fe371369d..00a379334b60 100644
--- a/arch/arm/mach-s3c2410/cpu.c
+++ b/arch/arm/mach-s3c2410/cpu.c
@@ -40,6 +40,7 @@
 
 #include "cpu.h"
 #include "clock.h"
+#include "s3c2400.h"
 #include "s3c2410.h"
 #include "s3c2440.h"
 
@@ -55,6 +56,7 @@ struct cpu_table {
 
 /* table of supported CPUs */
 
+static const char name_s3c2400[]  = "S3C2400";
 static const char name_s3c2410[]  = "S3C2410";
 static const char name_s3c2440[]  = "S3C2440";
 static const char name_s3c2410a[] = "S3C2410A";
@@ -96,7 +98,16 @@ static struct cpu_table cpu_ids[] __initdata = {
                 .init_uarts     = s3c2440_init_uarts,
                 .init           = s3c2440_init,
                 .name           = name_s3c2440a
-        }
+        },
+        {
+                .idcode         = 0x0,   /* S3C2400 doesn't have an idcode */
+                .idmask         = 0xffffffff,
+                .map_io         = s3c2400_map_io,
+                .init_clocks    = s3c2400_init_clocks,
+                .init_uarts     = s3c2400_init_uarts,
+                .init           = s3c2400_init,
+                .name           = name_s3c2400
+        },
 };
 
 /* minimal IO mapping */
@@ -148,12 +159,15 @@ static struct cpu_table *cpu;
 
 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 {
-        unsigned long idcode;
+        unsigned long idcode = 0x0;
 
         /* initialise the io descriptors we need for initialisation */
         iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 
+#ifndef CONFIG_CPU_S3C2400
         idcode = __raw_readl(S3C2410_GSTATUS1);
+#endif
+
         cpu = s3c_lookup_cpu(idcode);
 
         if (cpu == NULL) {