[U-Boot] [PATCH V5 00/11] ARM: OMAP3-DRA7: CP15 erratum workarounds and improvements

[Matt Porter]

On Thu, Mar 05, 2015 at 10:40:55PM -0600, Nishanth Menon wrote:
> The fifth incarnation should be proper, I hope. (skipping all the
> blurb and pointing to v1 for the blurb).
> 
> Changes since v4:
> 	- smc is back to handassembled thanks to gcc versions
> 	- fixes in multiple call handling within cpu_init_cp15 -> thanks to Matt Porter's test log showing fail on r1p3 cortex-a8 (where the errata must be applied)
> 
> v4: http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/213863
> V3: http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/213207/focus=213307
> V2: http://comments.gmane.org/gmane.comp.boot-loaders.u-boot/213060
> V1: http://comments.gmane.org/gmane.comp.boot-loaders.u-boot/212174
> 
> This time, the series is based on u-boot master
> git://git.denx.de/u-boot.git
> master 694cc87b76b1 arm, da8xx: convert ipam390 board to generic board support
> 
> Git tree: https://gitorious.org/nm-kernel/u-boot-nm (at least till gitorious is around..)
> branch errata-v5-master-694cc87b76b1
> 
> Git link: https://gitorious.org/nm-kernel/u-boot-nm.git errata-v5-master-694cc87b76b1
> 
> Testing: with http://paste.ubuntu.org.cn/2522971 (4.0-rc1 patch)
> 
> BeagleBoard-X15:
> 	Before: CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000000 L2PFR=0x000009b0 ACTLR=0x00000040
> 	After: CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000198 L2PFR=0x000009b0 ACTLR=0x00000040
> 
> OMAP5uEVM:
> 	Before: CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000000 L2PFR=0x000009b0 ACTLR=0x00000040
> 	After: CPUID=0x412fc0f2 L2CTLR=0x01800083 L2ACLR=0x00000198 L2PFR=0x000009b0 ACTLR=0x00000040
> 
> Beagle-XM: this is a r3p2 cortex-a8
> 	Before: CPUID=0x413fc082 ACR=0x000000e2 L2AUXCR=0x00000042
> 	After: CPUID=0x413fc082 ACR=0x00000042 L2AUXCR=0x00000042
> 	To emulate matt's board, I hacked u-boot to force the code flow.
> 	Testing with (hack http://paste.ubuntu.org.cn/2525559): CPUID=0x413fc082 ACR=0x000000e2 L2AUXCR=0x00000042
> 
> I dont have access to other omap3 platforms to give a better coverage,
> so, I welcome as much testing as possible.

Also verified again here on my r1p2 Beagle.  No more build issues on
any of my toolchains, thanks.

Tested-by: Matt Porter <mporter at konsulko.com>

> Nishanth Menon (10):
>   ARM: Introduce erratum workaround for 798870
>   ARM: Introduce erratum workaround for 454179
>   ARM: Introduce erratum workaround for 430973
>   ARM: Introduce erratum workaround for 621766
>   ARM: OMAP: Change set_pl310_ctrl_reg to be generic
>   ARM: OMAP3: Rename omap3.h to omap.h to be generic as all SoCs
>   ARM: OMAP3: Get rid of omap3_gp_romcode_call and replace with
>     omap_smc1
>   ARM: OMAP5 / DRA7: Setup L2 Aux Control Register with recommended
>     configuration
>   ARM: OMAP3: Enable workaround for ARM errata 454179, 430973, 621766
>   ARM: OMAP3: rx51: Enable workaround for ARM errata 454179, 430973,
>     621766
> 
> Praveen Rao (1):
>   ARM: DRA7 / OMAP5: Add workaround for ARM errata 798870
> 
>  README                                             |    8 +++
>  arch/arm/cpu/armv7/Makefile                        |    2 +-
>  arch/arm/cpu/armv7/cp15.c                          |   29 +++++++++
>  arch/arm/cpu/armv7/omap-common/Makefile            |    2 +-
>  arch/arm/cpu/armv7/omap-common/lowlevel_init.S     |   20 +++---
>  arch/arm/cpu/armv7/omap3/board.c                   |   60 +++++++-----------
>  arch/arm/cpu/armv7/omap3/lowlevel_init.S           |   11 ----
>  arch/arm/cpu/armv7/omap4/hwinit.c                  |    4 +-
>  arch/arm/cpu/armv7/omap5/hwinit.c                  |   23 +++++++
>  arch/arm/cpu/armv7/start.S                         |   64 +++++++++++++++++++-
>  .../arm/include/asm/arch-omap3/{omap3.h => omap.h} |    0
>  arch/arm/include/asm/arch-omap3/sys_proto.h        |    3 +-
>  arch/arm/include/asm/arch-omap4/sys_proto.h        |    5 +-
>  arch/arm/include/asm/arch-omap5/sys_proto.h        |    4 ++
>  arch/arm/include/asm/armv7.h                       |    5 ++
>  board/nokia/rx51/rx51.c                            |   19 +++---
>  include/configs/am3517_crane.h                     |    6 +-
>  include/configs/am3517_evm.h                       |    6 +-
>  include/configs/cm_t35.h                           |    6 +-
>  include/configs/cm_t3517.h                         |    6 +-
>  include/configs/dig297.h                           |    6 +-
>  include/configs/mcx.h                              |    6 +-
>  include/configs/nokia_rx51.h                       |    6 +-
>  include/configs/omap3_evm.h                        |    2 +-
>  include/configs/omap3_evm_common.h                 |    4 ++
>  include/configs/omap3_evm_quick_mmc.h              |    2 +-
>  include/configs/omap3_evm_quick_nand.h             |    2 +-
>  include/configs/omap3_logic.h                      |    6 +-
>  include/configs/omap3_mvblx.h                      |    6 +-
>  include/configs/omap3_pandora.h                    |    6 +-
>  include/configs/omap3_sdp3430.h                    |    6 +-
>  include/configs/omap3_zoom1.h                      |    2 +-
>  include/configs/tam3517-common.h                   |    6 +-
>  include/configs/tao3530.h                          |    6 +-
>  include/configs/ti_omap3_common.h                  |    7 ++-
>  include/configs/ti_omap5_common.h                  |    3 +
>  include/configs/tricorder.h                        |    6 +-
>  37 files changed, 275 insertions(+), 90 deletions(-)
>  create mode 100644 arch/arm/cpu/armv7/cp15.c
>  rename arch/arm/include/asm/arch-omap3/{omap3.h => omap.h} (100%)
> 
> Regards,
> Nishanth Menon
> -- 
> 1.7.9.5
> 
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