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-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)
48} 48}
49EXPORT_SYMBOL(omap_chip_is); 49EXPORT_SYMBOL(omap_chip_is);
50 50
51int omap_type(void)
52{
53 u32 val = 0;
54
55 if (cpu_is_omap24xx())
56 val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
57 else if (cpu_is_omap34xx())
58 val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
59 else {
60 pr_err("Cannot detect omap type!\n");
61 goto out;
62 }
63
64 val &= OMAP2_DEVICETYPE_MASK;
65 val >>= 8;
66
67out:
68 return val;
69}
70EXPORT_SYMBOL(omap_type);
71
72
51/*----------------------------------------------------------------------------*/ 73/*----------------------------------------------------------------------------*/
52 74
53#define OMAP_TAP_IDCODE 0x0204 75#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 @@
30#ifndef __ASM_ARCH_OMAP_CPU_H 30#ifndef __ASM_ARCH_OMAP_CPU_H
31#define __ASM_ARCH_OMAP_CPU_H 31#define __ASM_ARCH_OMAP_CPU_H
32 32
33/*
34 * Omap device type i.e. EMU/HS/TST/GP/BAD
35 */
36#define OMAP2_DEVICE_TYPE_TEST 0
37#define OMAP2_DEVICE_TYPE_EMU 1
38#define OMAP2_DEVICE_TYPE_SEC 2
39#define OMAP2_DEVICE_TYPE_GP 3
40#define OMAP2_DEVICE_TYPE_BAD 4
41
42int omap_type(void);
43
33struct omap_chip_id { 44struct omap_chip_id {
34 u8 oc; 45 u8 oc;
35 u8 type; 46 u8 type;
@@ -424,17 +435,6 @@ IS_OMAP_TYPE(3430, 0x3430)
424 435
425 436
426int omap_chip_is(struct omap_chip_id oci); 437int omap_chip_is(struct omap_chip_id oci);
427int omap_type(void);
428
429/*
430 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
431 */
432#define OMAP2_DEVICE_TYPE_TEST 0
433#define OMAP2_DEVICE_TYPE_EMU 1
434#define OMAP2_DEVICE_TYPE_SEC 2
435#define OMAP2_DEVICE_TYPE_GP 3
436#define OMAP2_DEVICE_TYPE_BAD 4
437
438void omap2_check_revision(void); 438void omap2_check_revision(void);
439 439
440#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */ 440#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */