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-rw-r--r--arch/arm/mach-omap2/id.c22
1 files changed, 22 insertions, 0 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