aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-s3c2410
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-s3c2410')
-rw-r--r--include/asm-arm/arch-s3c2410/uncompress.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/asm-arm/arch-s3c2410/uncompress.h b/include/asm-arm/arch-s3c2410/uncompress.h
index 22328b70ba5d..7058382a6405 100644
--- a/include/asm-arm/arch-s3c2410/uncompress.h
+++ b/include/asm-arm/arch-s3c2410/uncompress.h
@@ -25,6 +25,15 @@
/* how many bytes we allow into the FIFO at a time in FIFO mode */
#define FIFO_MAX (14)
+static inline int is_arm926(void)
+{
+ unsigned int cpuid;
+
+ asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (cpuid));
+
+ return ((cpuid & 0xff0) == 0x260);
+}
+
static void arch_detect_cpu(void)
{
unsigned int cpuid;
@@ -32,7 +41,7 @@ static void arch_detect_cpu(void)
cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1);
cpuid &= S3C2410_GSTATUS1_IDMASK;
- if (cpuid == S3C2410_GSTATUS1_2440 ||
+ if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 ||
cpuid == S3C2410_GSTATUS1_2442) {
fifo_mask = S3C2440_UFSTAT_TXMASK;
fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;