RE: [PATCH] omap: 3630: update is_chip variable

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> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Pandita, Vikram
> Sent: Monday, October 19, 2009 4:58 PM

> diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-
> omap/include/mach/cpu.h
> index 7cb0556..05a0a33 100644
> --- a/arch/arm/plat-omap/include/mach/cpu.h
> +++ b/arch/arm/plat-omap/include/mach/cpu.h
> @@ -454,6 +454,7 @@ IS_OMAP_TYPE(3430, 0x3430)
>  #define CHIP_IS_OMAP3430ES2          (1 << 4)
>  #define CHIP_IS_OMAP3430ES3_0                (1 << 5)
>  #define CHIP_IS_OMAP3430ES3_1                (1 << 6)

Should we add a little space for 3430 to grow? Current TRM already defines a 3.1.2. For this version changes are transparent to software.  IIRC mostly internal cell tweaks to allow for expanded operating range.

The CONTROL.CONTROL_IDCODE value is 0x0B6D 602F for OMAP34xx ES1.0.
The CONTROL.CONTROL_IDCODE value is 0x1B7A E02F for OMAP34xx ES2.0.
The CONTROL.CONTROL_IDCODE value is 0x2B7A E02F for OMAP34xx ES2.1.
The CONTROL.CONTROL_IDCODE value is 0x3B7A E02F for OMAP34xx ES3.0.
The CONTROL.CONTROL_IDCODE value is 0x4B7A E02F for OMAP34xx ES3.1.
The CONTROL.CONTROL_IDCODE value is 0x7B7A E02F for OMAP34xx ES3.1.2.

> +#define CHIP_IS_OMAP3630ES1          (1 << 7)

Its hard to guess how many more will come.  Ideally it will be 3630 which is growing from this point on.  It is faster/smaller/cheaper along with some bug fixes.

Regards,
Richard W.

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