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From: Nishanth Menon <nm@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v03 1/2] OMAP3+: introduce generic ABB support
Date: Wed, 22 May 2013 15:56:09 -0500	[thread overview]
Message-ID: <20130522205609.GA5603@kahuna> (raw)
In-Reply-To: <1369125729-15571-2-git-send-email-andrii.tseglytskyi@ti.com>

Hi Andrii,
We are almost there.. minor comments follow:
On 11:42-20130521, Andrii Tseglytskyi wrote:
[...]
> diff --git a/arch/arm/cpu/armv7/omap5/abb.c b/arch/arm/cpu/armv7/omap5/abb.c
> new file mode 100644
> index 0000000..92470be
> --- /dev/null
> +++ b/arch/arm/cpu/armv7/omap5/abb.c
> @@ -0,0 +1,67 @@
I might introduce this as part of patch #2... but no strong feelings
about it.
[...]
> +s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb)
> +{
> +	u32 vset;
> +
> +	/*
> +	 * ABB parameters must be properly fused
> +	 * otherwise ABB should be disabled
> +	 */
> +	vset = readl(fuse);
> +	if (!(vset & OMAP5_ABB_FUSE_ENABLE_MASK))
> +		return -1;
> +
> +	/* prepare VSET value for LDOVBB mux register */
> +	vset &= OMAP5_ABB_FUSE_VSET_MASK;
> +	vset >>= ffs(OMAP5_ABB_FUSE_VSET_MASK) - 1;
> +	vset <<= ffs(OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK) - 1;
> +	vset |= OMAP5_ABB_LDOVBBMPU_MUX_CTRL_MASK;
> +
> +	/* setup LDOVBB using fused value */
> +	clrsetbits_le32(ldovbb,  OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK, vset);
OMAP5_ABB_LDOVBBMPU_MUX_CTRL_MASK wont get set :(
[...]

Other than this, I have no further comments.
-- 
Regards,
Nishanth Menon

  reply	other threads:[~2013-05-22 20:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-21  8:42 [U-Boot] [PATCH v03 0/2] OMAP3+: introduce generic Adaptive Body Bias Support Andrii Tseglytskyi
2013-05-21  8:42 ` [U-Boot] [PATCH v03 1/2] OMAP3+: introduce generic ABB support Andrii Tseglytskyi
2013-05-22 20:56   ` Nishanth Menon [this message]
2013-05-23  7:39     ` Andrii Tseglytskyi
2013-05-23 12:51       ` Nishanth Menon
2013-05-23  8:02     ` Andrii Tseglytskyi
2013-05-21  8:42 ` [U-Boot] [PATCH v03 2/2] OMAP5: add ABB setup for MPU voltage domain Andrii Tseglytskyi

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