[PATCHv4] Xilinx Virtex 4 FX Soft FPU support

2010-11-22 Thread Sergey Temerkhanov
This patch enables support for Xilinx Virtex 4 FX singe-float FPU. This patch enables support for Xilinx Virtex 4 FX singe-float FPU. Changelog v3-v4 -Added help for CONFIG_XILINX_SOFTFPU option -Made kernel math emulation dependent on !PPC_FPU. Changelog v2-v3: -Fixed

[PATCHv4] Xilinx Virtex 4 FX Soft FPU support

2010-09-10 Thread Sergey Temerkhanov
This patch enables support for Xilinx Virtex 4 FX singe-float FPU. This patch enables support for Xilinx Virtex 4 FX singe-float FPU. Changelog v3-v4 -Added help for CONFIG_XILINX_SOFTFPU option -Made kernel math emulation dependent on !PPC_FPU. Changelog v2-v3: -Fixed

[Resend][PATCHv3] Xilinx Virtex 4 FX Soft FPU support

2010-08-13 Thread Sergey Temerkhanov
!405GPR + endmenu -- Regards, Sergey Temerkhanov ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev

Re: [PATCHv2] [RFC] Xilinx Virtex 4 FX Soft FPU support

2010-05-26 Thread Sergey Temerkhanov
On Wednesday 26 May 2010 01:38:47 Grant Likely wrote: (cc'ing Josh Boyer and John Linn) On Thu, May 20, 2010 at 4:01 AM, Sergey Temerkhanov temerkha...@cifronik.ru wrote: This patch enables support for Xilinx Virtex 4 FX singe-float FPU. Changelog v1-v2: -Added MSR_AP bit

[PATCHv3] [RFC] Xilinx Virtex 4 FX Soft FPU support

2010-05-26 Thread Sergey Temerkhanov
!405GPR + endmenu -- Regards, Sergey Temerkhanov, Cifronic ZAO ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev

Re: [PATCH] [RFC] Xilinx Virtex 4 FX Soft FPU support

2010-05-20 Thread Sergey Temerkhanov
On Wednesday 19 May 2010 20:52:01 Grant Likely wrote: Hi Sergey. Comments below. diff -r 9d9ac97e095d .config --- a/.config Thu Feb 25 21:23:42 2010 +0300 +++ b/.config Thu Feb 25 21:49:02 2010 +0300 .config changes should not appear in your patch file. diff -r

[PATCHv2] [RFC] Xilinx Virtex 4 FX Soft FPU support

2010-05-20 Thread Sergey Temerkhanov
SAVE_FPR/REST_FPR definition style. Caveats: - Hard-float binaries which rely on in-kernel math emulation will give wrong results since they expect 64-bit double-precision instead of 32-bit single-precision numbers which Xilinx V4-FX Soft FPU produces. Regards, Sergey Temerkhanov Signed-off

Re: [microblaze-uclinux] [PATCHv2] [RFC] Xilinx MPMC SDMA subsystem

2010-04-28 Thread Sergey Temerkhanov
On Wednesday 28 April 2010 09:13:06 you wrote: Hi Sergey and Steven, On Tue, Apr 27, 2010 at 8:29 PM, Steven J. Magnani st...@digidescorp.com wrote: On Wed, 2010-04-28 at 02:06 +0400, Sergey Temerkhanov wrote: This is the 2nd version of Xilinx MPMC LocalLink SDMA subsystem Changelog

Re: [PATCH] [RFC] Xilinx MPMC SDMA subsystem

2010-04-27 Thread Sergey Temerkhanov
! www.digidescorp.com Earthling, return my space modulator! #include standard.disclaimer Regards, Sergey Temerkhanov, Cifronic ZAO. -- Regards, Sergey Temerkhanov, Cifronic ZAO ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org

[PATCHv2] [RFC] Xilinx MPMC SDMA subsystem

2010-04-27 Thread Sergey Temerkhanov
CONFIG_XLLSDMA option. Regards, Sergey Temerkhanov, Cifronic ZAO diff -r baced9e29ab5 drivers/dma/Kconfig --- a/drivers/dma/Kconfig Tue Apr 27 20:48:50 2010 +0400 +++ b/drivers/dma/Kconfig Wed Apr 28 02:00:51 2010 +0400 @@ -97,6 +97,14 @@ Support the TXx9 SoC internal DMA controller. This can

Re: [PATCH] [RFC] Xilinx MPMC SDMA subsystem

2010-03-29 Thread Sergey Temerkhanov
have no objections. This sounds like a good plan. Or we can put Xilinx-related headers to, i.e., include/linux/xilinx. There might be some other candidates for this. g. Regards, Sergey Temerkhanov, Cifronic ZAO ___ Linuxppc-dev mailing list

[PATCH] [RFC] Xilinx Virtex 4 FX Soft FPU support

2010-03-19 Thread Sergey Temerkhanov
numbers. Regards, Sergey Temerkhanov ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev

Re: [PATCH] [RFC] Xilinx Virtex 4 FX Soft FPU support

2010-03-19 Thread Sergey Temerkhanov
The patch. Regards, Resgey Temerkhanov diff -r 9d9ac97e095d .config --- a/.config Thu Feb 25 21:23:42 2010 +0300 +++ b/.config Thu Feb 25 21:49:02 2010 +0300 @@ -14,10 +14,12 @@ CONFIG_40x=y # CONFIG_44x is not set # CONFIG_E200 is not set +CONFIG_PPC_FPU=y CONFIG_4xx=y

[PATCH] [RFC] Xilinx MPMC SDMA subsystem

2010-03-17 Thread Sergey Temerkhanov
since 2009. This code currently supports only soft MPMCs, i.e., only SDMA channels with memory-mapped registers. In order to support channels with DCR, a few modifications are needed. Any comments and suggestions are appreciated. Regards, Sergey Temerkhanov, Cifronic ZAO * * * * * * diff --git

Re: DMA to User-Space

2009-11-23 Thread Sergey Temerkhanov
/. Have a look at drivers/scsi/st.c at sgl_get_user_pages() or drivers/infiniband/hw/ipath/ipath_user_pages.c for example of how to use that. Regards, Sergey Temerkhanov. ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org

[PATCH] [RFC] Fix level IRQ handling on Xilinx INTC with ARCH=powerpc

2008-08-25 Thread Sergey Temerkhanov
This fixes the missing acknowledge at the end of handle_level_irq(). It adds a field flags to struct irq_chip. If IRQ_CHIP_UNMASK_ACK is set in this field, acknowledge is performed before unmasking. diff -r 6b0915754563 arch/powerpc/sysdev/xilinx_intc.c --- a/arch/powerpc/sysdev/xilinx_intc.c

Re: [PATCH] [RFC] Fix level IRQ handling on Xilinx INTC with ARCH=powerpc

2008-08-25 Thread Sergey Temerkhanov
On Monday 25 August 2008 18:26:54 Grant Likely wrote: This patch unconditionally adds what is essentially a device specific fixup to *every* Linux platform. I cannot see that flying very far. I know that. But without IRQ_CHIP_UNMASK_ACK set this fixup won'be applied so setups that are not

[PATCH] Re: Level IRQ handling on Xilinx INTC with ARCH=powerpc

2008-08-08 Thread Sergey Temerkhanov
I've prepared the patch to fix the problem being discussed. It adds a field flags to struct irq_chip. If IRQ_CHIP_UNMASK_ACK is set in this field, acknowledge is performed before unmasking. The patch is against 2.6.26 diff -r 6b0915754563 arch/powerpc/sysdev/xilinx_intc.c ---

Level IRQ handling on Xilinx INTC with ARCH=powerpc

2008-07-29 Thread Sergey Temerkhanov
. But I've tried it and it works). 3. Acknowledge IRQ at INTC in ISR (quick'n'dirty hack). Regards, Sergey Temerkhanov ___ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev

Re: May I ask some questions?

2008-05-29 Thread Sergey Temerkhanov
vencent2006 wrote: I am Michael from China.A few days ago, I was supposed to debug executable.elf with xmd while some problems happened.It said like that: xmd% dow executable.elf Failed to download ELF file ERROR(1053):UNABLE TO READ ELF FILE.THE ELF FILE MAYBE CORRUPTED :executable.elf You