From: ben@simtec.co.uk (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/7] ARM: S5P: Added default pll values for APLL 800/1000MHz
Date: Wed, 21 Jul 2010 01:37:40 +0100 [thread overview]
Message-ID: <4C464154.1010709@simtec.co.uk> (raw)
In-Reply-To: <1279517483-22751-4-git-send-email-myungjoo.ham@samsung.com>
On 07/19/10 06:31, MyungJoo Ham wrote:
> CPUFREQ of S5PV210 uses different APLL settings and we provide
> such values for CPUFREQ at pll.h. We have been using differently
> between EVT0 and EVT1 machines. Although this version of kernel
> assumes that the CPU is EVT1, users may use code for EVT0 later.
>
> Note that at 1GHz of ARMCLK, APLL should be 1GHz and for other lower
> ARMCLK, APLL should be 800MHz.
>
> Signed-off-by: MyungJoo Ham<myungjoo.ham@samsung.com>
> Signed-off-by: Kyungmin Park<kyungmin.park@samsung.com>
> ---
> arch/arm/plat-s5p/include/plat/pll.h | 8 ++++++++
> 1 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
> index 7db3227..679e0d3 100644
> --- a/arch/arm/plat-s5p/include/plat/pll.h
> +++ b/arch/arm/plat-s5p/include/plat/pll.h
> @@ -21,6 +21,14 @@
>
> #include<asm/div64.h>
>
> +#ifdef CONFIG_S5PC110_EVT0_WORKAROUND
> +#define PLL45XX_APLL_VAL_1000 ((1<< 31) | (0xfa<<16) | (0x6<<8) | (0x1))
> +#define PLL45XX_APLL_VAL_800 ((1<< 31) | (0xc8<<16) | (0x6<<8) | (0x1))
> +#else
> +#define PLL45XX_APLL_VAL_1000 ((1<< 31) | (125<<16) | (3<<8) | (1))
> +#define PLL45XX_APLL_VAL_800 ((1<< 31) | (100<<16) | (3<<8) | (1))
> +#endif
> +
> enum pll45xx_type_t {
> pll_4500,
> pll_4502,
yuck. can we detect EVT0 and have these as variables that get
set depending on detection?
--
Ben Dooks, Design & Software Engineer, Simtec Electronics
http://www.simtec.co.uk/
next prev parent reply other threads:[~2010-07-21 0:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-19 5:31 [PATCH v3 0/7] ARM: S5PV210: CPUFREQ Initial Support MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND" MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 2/7] ARM: Samsung SoC: added hclk/pclk info to s3c_freq for s5pv210 cpu-freq MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 3/7] ARM: S5P: Added default pll values for APLL 800/1000MHz MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 4/7] ARM: S5P: Virtual Addresses for DMCx registers MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 5/7] ARM: S5PV210: macros for clock registers at regs-clock.h MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 6/7] ARM: S5PV210: Access for DMCx registers MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 7/7] ARM: S5PV210: Initial CPUFREQ Support MyungJoo Ham
2010-07-19 8:47 ` Mark Brown
2010-07-20 0:37 ` Kukjin Kim
2010-07-20 7:00 ` MyungJoo Ham
2010-07-21 0:38 ` [PATCH v3 5/7] ARM: S5PV210: macros for clock registers at regs-clock.h Ben Dooks
2010-07-21 2:03 ` MyungJoo Ham
2010-07-21 0:37 ` Ben Dooks [this message]
2010-07-21 1:28 ` [PATCH v3 3/7] ARM: S5P: Added default pll values for APLL 800/1000MHz MyungJoo Ham
2010-07-19 7:59 ` [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND" Kukjin Kim
2010-07-19 8:09 ` Kyungmin Park
2010-07-21 0:36 ` Ben Dooks
2010-07-21 1:13 ` MyungJoo Ham
2010-07-21 11:47 ` Ben Dooks
2010-07-21 13:51 ` Kyungmin Park
2010-07-22 0:57 ` MyungJoo Ham
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4C464154.1010709@simtec.co.uk \
--to=ben@simtec.co.uk \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).