summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/arm/mach-omap2/id.c22
-rw-r--r--arch/arm/plat-omap/include/mach/cpu.h22
2 files changed, 33 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 458990e20c60..a98201cc265c 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -48,6 +48,28 @@ int omap_chip_is(struct omap_chip_id oci)
}
EXPORT_SYMBOL(omap_chip_is);
+int omap_type(void)
+{
+ u32 val = 0;
+
+ if (cpu_is_omap24xx())
+ val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
+ else if (cpu_is_omap34xx())
+ val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
+ else {
+ pr_err("Cannot detect omap type!\n");
+ goto out;
+ }
+
+ val &= OMAP2_DEVICETYPE_MASK;
+ val >>= 8;
+
+out:
+ return val;
+}
+EXPORT_SYMBOL(omap_type);
+
+
/*----------------------------------------------------------------------------*/
#define OMAP_TAP_IDCODE 0x0204
diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-omap/include/mach/cpu.h
index fc60c4ebcc28..285eaa3a8275 100644
--- a/arch/arm/plat-omap/include/mach/cpu.h
+++ b/arch/arm/plat-omap/include/mach/cpu.h
@@ -30,6 +30,17 @@
#ifndef __ASM_ARCH_OMAP_CPU_H
#define __ASM_ARCH_OMAP_CPU_H
+/*
+ * Omap device type i.e. EMU/HS/TST/GP/BAD
+ */
+#define OMAP2_DEVICE_TYPE_TEST 0
+#define OMAP2_DEVICE_TYPE_EMU 1
+#define OMAP2_DEVICE_TYPE_SEC 2
+#define OMAP2_DEVICE_TYPE_GP 3
+#define OMAP2_DEVICE_TYPE_BAD 4
+
+int omap_type(void);
+
struct omap_chip_id {
u8 oc;
u8 type;
@@ -424,17 +435,6 @@ IS_OMAP_TYPE(3430, 0x3430)
int omap_chip_is(struct omap_chip_id oci);
-int omap_type(void);
-
-/*
- * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
- */
-#define OMAP2_DEVICE_TYPE_TEST 0
-#define OMAP2_DEVICE_TYPE_EMU 1
-#define OMAP2_DEVICE_TYPE_SEC 2
-#define OMAP2_DEVICE_TYPE_GP 3
-#define OMAP2_DEVICE_TYPE_BAD 4
-
void omap2_check_revision(void);
#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
OpenPOWER on IntegriCloud