All of lore.kernel.org
 help / color / mirror / Atom feed
From: Nishanth Menon <nm@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH V3 0/11] ARM: OMAP3-DRA7: CP15 erratum workarounds and improvements
Date: Tue, 3 Mar 2015 10:25:51 -0600	[thread overview]
Message-ID: <54F5E08F.2070904@ti.com> (raw)
In-Reply-To: <20150303084515.642dbf57@i7>

On 03/03/2015 12:45 AM, Siarhei Siamashka wrote:
[...]
> In one way, this can be verified by just checking that the necessary
> bits in the system registers are properly set according to the
> recommendations from the errata lists. AFAIK, only writes to these
> registers are restricted, so that it has to be done in an OMAP specific
> way using the SMC calls. But reading them somewhere early in the
> Linux kernel and doing printk should be fine. 

http://paste.ubuntu.org.cn/2522971 a quick patch on v4.0-rc1 to do the
same. Sorry, test farm I have access to, is a bit wonky at the moment.
(use omap2plus_defconfig)

few of the boards I could cajole logs out are as follows (uses legacy
bootloaders, not completely controlled source etc.. and are in a
remote location that I cannot update easily):

> am335x-evm.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x413fc082 ACR=0x00000042 L2AUXCR=0x00000042
> am335x-sk.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x413fc082 ACR=0x00000042 L2AUXCR=0x00000042
> am3517-evm.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x411fc087 ACR=0x000000e2 L2AUXCR=0x00000042
> am37x-evm.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x413fc082 ACR=0x000000e2 L2AUXCR=0x00000042
> am57xx-evm.txt:[    0.000000] XXXX o5_dump_arm_regs:CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000000 L2PFR=0x000009b0 ACTLR=0x00000040
> beagleboard.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x413fc082 ACR=0x000000e2 L2AUXCR=0x00000042
> beaglebone-black.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x413fc082 ACR=0x00000042 L2AUXCR=0x00000042
> beaglebone.txt:[    0.000000] XXXX o3_dump_arm_regs:CPUID=0x413fc082 ACR=0x00000042 L2AUXCR=0x00000042
> dra72x-evm.txt:[    0.000000] XXXX o5_dump_arm_regs:CPUID=0x412fc0f2 L2CTLR=0x00800083 L2ACLR=0x00000000 L2PFR=0x000009b0 ACTLR=0x00000040
> dra7xx-evm.txt:[    0.000000] XXXX o5_dump_arm_regs:CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000000 L2PFR=0x000009b0 ACTLR=0x00000040
> omap5-evm.txt:[    0.000000] XXXX o5_dump_arm_regs:CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000000 L2PFR=0x000009b0 ACTLR=0x00000040

-- 
Regards,
Nishanth Menon

      reply	other threads:[~2015-03-03 16:25 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-25 20:55 [U-Boot] [PATCH V3 0/11] ARM: OMAP3-DRA7: CP15 erratum workarounds and improvements Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 01/11] ARM: Introduce erratum workaround for 798870 Nishanth Menon
2015-03-03 16:29   ` Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 02/11] ARM: Introduce erratum workaround for 454179 Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 03/11] ARM: Introduce erratum workaround for 430973 Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 04/11] ARM: Introduce erratum workaround for 621766 Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 05/11] ARM: OMAP: Change set_pl310_ctrl_reg to be generic Nishanth Menon
2015-03-03 17:08   ` Tom Rini
2015-03-03 17:12     ` Nishanth Menon
2015-03-03 17:54       ` Nishanth Menon
2015-03-03 17:55       ` Tom Rini
2015-02-25 20:55 ` [U-Boot] [PATCH V3 06/11] ARM: OMAP3: Rename omap3.h to omap.h to be generic as all SoCs Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 07/11] ARM: OMAP3: Get rid of omap3_gp_romcode_call and replace with omap_smc1 Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 08/11] ARM: DRA7 / OMAP5: Add workaround for ARM errata 798870 Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 09/11] ARM: OMAP5 / DRA7: Setup L2 Aux Control Register with recommended configuration Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 10/11] ARM: OMAP3: Enable workaround for ARM errata 454179, 430973, 621766 Nishanth Menon
2015-02-25 20:55 ` [U-Boot] [PATCH V3 11/11] ARM: OMAP3: rx51: " Nishanth Menon
2015-02-26  7:40 ` [U-Boot] [PATCH V3 0/11] ARM: OMAP3-DRA7: CP15 erratum workarounds and improvements Siarhei Siamashka
2015-02-26 14:50   ` Nishanth Menon
2015-02-26 16:14     ` Siarhei Siamashka
2015-03-02 21:16       ` Tom Rini
2015-03-03  6:45         ` Siarhei Siamashka
2015-03-03 16:25           ` Nishanth Menon [this message]

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=54F5E08F.2070904@ti.com \
    --to=nm@ti.com \
    --cc=u-boot@lists.denx.de \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.