Mans Rullgard <mans@xxxxxxxxx> writes:
> The 35xx TRM lists incorrect values for the VERSION field of the
> CONTROL_IDCODE register. The correct values are those listed in
> the 34xx TRM.
>
> Correct message on boot verified on ES2.1 and ES3.0.
>
> Signed-off-by: Mans Rullgard <mans@xxxxxxxxx>
> ---
> arch/arm/mach-omap2/id.c | 5 +++--
> 1 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
> index ab7a6e9..9f72ae6 100644
> --- a/arch/arm/mach-omap2/id.c
> +++ b/arch/arm/mach-omap2/id.c
> @@ -162,14 +162,15 @@ void __init omap34xx_check_revision(void)
> /*
> * Detection for 34xx ES2.0 and above can be done with just
> * hawkeye and rev. See TRM 1.5.2 Device Identification.
> - * Note that rev cannot be used directly as ES1.0 uses value 0.
> + * The 35xx TRM lists incorrect values for the revision number.
> + * Correct values are documented in the 34xx TRM.
> */
> idcode = read_tap_reg(OMAP_TAP_IDCODE);
> hawkeye = (idcode >> 12) & 0xffff;
> rev = (idcode >> 28) & 0xff;
>
> if (hawkeye == 0xb7ae)
> - system_rev = 0x34300034 | ((1 + rev) << 12);
> + system_rev = 0x34300034 | (rev << 12);
>
> out:
> switch (system_rev) {
Forget this. A fix was already in the tree, but not merged to my
branch.
--
Måns Rullgård
mans@xxxxxxxxx
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