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
next prev parent 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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