Hi Philippe, Any update on this? I will wait for your comments too and send next iteration fixing Alistair comments.
Thanks, Sundeep On Wed, May 17, 2017 at 3:09 PM, sundeep subbaraya <sundeep.l...@gmail.com> wrote: > Hi Philippe, > > On Wed, May 17, 2017 at 9:57 AM, Philippe Mathieu-Daudé <f4...@amsat.org> > wrote: > >> Hi Sundeep, >> >> This patchset is way cleaner! >> I had a fast look and I like it, I'll try to make some time soon to >> review details and test it. > > > Thank you > >> > > >> Is your work interested on U-Boot or more focused in Linux kernel? >> > > I am interested more in kernel. I had to look into u-boot for first time > for Qemu only. > I worked only on FPGAs(load kernel with debugger) till now so never got a > chance to look into u-boot. > >> >> If you compile QEMU with libfdt support you can use the -dtb option to >> pass the blob to the kernel directly, bypassing the bootloader. >> >> Yeah for armv7m I could not find any thing like that in tree. > > >> If you need a bootloader you may give a look at coreboot which supports >> dts well, see how Vladimir Serbinenko used Linux's dt to boot a QEMU >> Versatile Express board: >> https://mail.coreboot.org/pipermail/coreboot-gerrit/2016-Feb >> ruary/040899.html >> >> Cool. I will look into it. > > Thanks, > Sundeep > > >> Regards, >> >> Phil. >> >> >> On 05/16/2017 12:38 PM, Subbaraya Sundeep wrote: >> >>> Hi Qemu-devel, >>> >>> I am trying to add Smartfusion2 SoC. >>> SoC is from Microsemi and System on Module(SOM) >>> board is from Emcraft systems. Smartfusion2 has hardened >>> Microcontroller(Cortex-M3)based Sub System and FPGA fabric. >>> At the moment only system timer, sysreg and SPI >>> controller are modelled. >>> >>> Testing: >>> ./arm-softmmu/qemu-system-arm -M smartfusion2-som -serial mon:stdio \ >>> -kernel u-boot.bin -display none -drive file=spi.bin,if=mtd,format=raw >>> >>> Binaries u-boot.bin and spi.bin are at: >>> https://github.com/Subbaraya-Sundeep/qemu-test-binaries.git >>> >>> U-boot is from Emcraft with modified >>> - SPI driver not to use PDMA. >>> - ugly hack to pass dtb to kernel in r1. >>> @ >>> https://github.com/Subbaraya-Sundeep/emcraft-uboot-sf2.git >>> >>> Linux is 4.5 linux with Smartfusion2 SoC dts and clocksource >>> driver added by myself @ >>> https://github.com/Subbaraya-Sundeep/linux.git >>> >>> v5 >>> As per Philippe comments: >>> Added abort in Sysreg if guest tries to remap memory >>> other than default mapping. >>> Use of CONFIG_MSF2 in Makefile for soc.c >>> Fixed incorrect logic in timer model. >>> Renamed msf2-timer.c -> mss-timer.c >>> msf2-spi.c -> mss-spi.c also type names >>> Renamed function msf2_init->emcraft_sf2_init in msf2-som.c >>> Added part-name,eNVM-size,eSRAM-size,pclk0 and pclk1 >>> properties to soc. >>> Pass soc part-name,memory size and clock rate properties from >>> som. >>> v4: >>> Fixed build failure by using PRIx macros. >>> v3: >>> Added SoC file and board file as per Alistair comments. >>> v2: >>> Added SPI controller so that u-boot loads kernel from spi flash. >>> v1: >>> Initial patch set with timer and sysreg >>> >>> Thanks, >>> Sundeep >>> >>> Subbaraya Sundeep (5): >>> msf2: Add Smartfusion2 System timer >>> msf2: Microsemi Smartfusion2 System Register block. >>> msf2: Add Smartfusion2 SPI controller >>> msf2: Add Smartfusion2 SoC. >>> msf2: Add Emcraft's Smartfusion2 SOM kit. >>> >>> default-configs/arm-softmmu.mak | 1 + >>> hw/arm/Makefile.objs | 2 + >>> hw/arm/msf2-soc.c | 201 +++++++++++++++++++++ >>> hw/arm/msf2-som.c | 89 ++++++++++ >>> hw/misc/Makefile.objs | 1 + >>> hw/misc/msf2-sysreg.c | 161 +++++++++++++++++ >>> hw/ssi/Makefile.objs | 1 + >>> hw/ssi/mss-spi.c | 378 ++++++++++++++++++++++++++++++ >>> ++++++++++ >>> hw/timer/Makefile.objs | 1 + >>> hw/timer/mss-timer.c | 249 ++++++++++++++++++++++++++ >>> include/hw/arm/msf2-soc.h | 69 ++++++++ >>> include/hw/misc/msf2-sysreg.h | 80 +++++++++ >>> include/hw/ssi/mss-spi.h | 104 +++++++++++ >>> include/hw/timer/mss-timer.h | 80 +++++++++ >>> 14 files changed, 1417 insertions(+) >>> create mode 100644 hw/arm/msf2-soc.c >>> create mode 100644 hw/arm/msf2-som.c >>> create mode 100644 hw/misc/msf2-sysreg.c >>> create mode 100644 hw/ssi/mss-spi.c >>> create mode 100644 hw/timer/mss-timer.c >>> create mode 100644 include/hw/arm/msf2-soc.h >>> create mode 100644 include/hw/misc/msf2-sysreg.h >>> create mode 100644 include/hw/ssi/mss-spi.h >>> create mode 100644 include/hw/timer/mss-timer.h >>> >>> >