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Re: [Qemu-devel] [Qemu devel v8 PATCH 0/5] Add support for Smartfusion2
From: |
sundeep subbaraya |
Subject: |
Re: [Qemu-devel] [Qemu devel v8 PATCH 0/5] Add support for Smartfusion2 SoC |
Date: |
Fri, 8 Sep 2017 12:54:29 +0530 |
Hi Phillipe,
On Fri, Sep 8, 2017 at 3:14 AM, Philippe Mathieu-Daudé <address@hidden>
wrote:
> Hi Subbaraya,
>
> very good work!
>
> On 09/07/2017 04:24 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
>>
>
> "-M emcraft-sf2" ;)
>
copy/paste error :)
>
> U-Boot 2010.03-00147-g7da5092 (Jul 03 2017 - 09:04:50)
>
> CPU : SmartFusion2 SoC (Cortex-M3 Hard IP)
> Freqs: CORTEX-M3=142MHz,PCLK0=71MHz,PCLK1=71MHz
> Board: M2S-FG484-SOM Rev 1A, www.emcraft.com
> DRAM: 64 MB
> *** Warning - bad CRC, using default environment
>
> In: serial
> Out: serial
> Err: serial
> Net: M2S_MAC
> Hit any key to stop autoboot: 0
> 16384 KiB S25FL128P_64K at 0:0 is now current device
> ## Booting kernel from Legacy Image at a0007fc0 ...
> Image Name: dtskernel
> Image Type: ARM Linux Kernel Image (uncompressed)
> Data Size: 2664224 Bytes = 2.5 MB
> Load Address: a0008000
> Entry Point: a0008001
> Verifying Checksum ... OK
> Loading Kernel Image ... OK
> OK
>
> Starting kernel ...
>
> NVIC: Bad read offset 0xd74
> [ 0.000000] Booting Linux on physical CPU 0x0
> [ 0.000000] Linux version 4.5.0-00001-g3aa90e8-dirty
> (address@hidden) (gcc version 5.4.0 (GCC) ) #102 PREEMPT Tue
> May 16 19:43:40 IST 2017
> [ 0.000000] CPU: ARMv7-M [410fc231] revision 1 (ARMv7M), cr=00000000
> [ 0.000000] CPU: unknown data cache, unknown instruction cache
> [ 0.000000] Machine model: Microsemi SmartFusion 2 development board
> [ 0.000000] Kernel command line: console=ttyS0,115200n8 panic=10
> address@hidden earlyprintk
> [ 0.000000] Memory: 62204K/65536K available (1472K kernel code, 73K
> rwdata, 652K rodata, 400K init, 120K bss, 3332K reserved, 0K cma-reserved)
> [ 0.000000] NR_IRQS:16 nr_irqs:16 16
> [ 0.001178] sched_clock: 32 bits at 83MHz, resolution 12ns, wraps every
> 25873297401ns
> [ 0.003085] clocksource: msf2_clocksource: mask: 0xffffffff max_cycles:
> 0xffffffff, max_idle_ns: 23027234290 ns
> [ 0.009732] timer at 40004000, irq=16
> [ 0.014475] Calibrating delay loop... 442.36 BogoMIPS (lpj=2211840)
> [ 0.653685] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
> [ 0.690789] console [ttyS0] disabled
> [ 0.696659] 40000000.serial: ttyS0 at MMIO 0x40000000 (irq = 17,
> base_baud = 5187500) is a 16550
> [ 0.702725] console [ttyS0] enabled
> [ 0.826251] Freeing unused kernel memory: 400K (a021c000 - a0280000)
> init started: BusyBox v1.24.1 (2017-05-15 09:57:00 IST)
> ~ #
>
> (qemu) info mtree
> address-space: cpu-memory
> 0000000000000000-ffffffffffffffff (prio 0, i/o): armv7m-container
> 0000000000000000-ffffffffffffffff (prio -1, i/o): system
> 0000000000000000-000000000003ffff (prio 0, i/o): alias
> MSF2.eNVM.alias @MSF2.eNVM 0000000000000000-000000000003ffff
> 0000000020000000-000000002000ffff (prio 0, ram): MSF2.eSRAM
> 0000000040000000-000000004000001f (prio 0, i/o): serial
> 0000000040001000-000000004000103f (prio 0, i/o): mss-spi
> 0000000040004000-000000004000402f (prio 0, i/o): mss-timer
> 0000000040011000-000000004001103f (prio 0, i/o): mss-spi
> 0000000040038000-00000000400382ff (prio 0, i/o): msf2-sysreg
> 0000000060000000-000000006003ffff (prio 0, rom): MSF2.eNVM
> 00000000a0000000-00000000a3ffffff (prio 0, ram): ddr-ram
> 0000000022000000-0000000023ffffff (prio 0, i/o): bitband
> 0000000042000000-0000000043ffffff (prio 0, i/o): bitband
> 00000000e000e000-00000000e000efff (prio 0, i/o): nvic
> 00000000e000e000-00000000e000efff (prio 0, i/o): nvic_sysregs
> 00000000e000e010-00000000e000e0ef (prio 1, i/o): systick
>
> (qemu) info qtree
> bus: main-system-bus
> type System
> dev: msf2-soc, id ""
> part-name = "M2S010"
> eNVM-size = 262144 (0x40000)
> eSRAM-size = 65536 (0x10000)
> m3clk = 142000000 (0x876bf80)
> apb0div = 2 (0x2)
> apb1div = 2 (0x2)
> dev: mss-spi, id ""
> gpio-out "sysbus-irq" 2
> mmio 0000000040011000/0000000000000040
> bus: spi
> type SSI
> dev: mss-spi, id ""
> gpio-out "sysbus-irq" 2
> mmio 0000000040001000/0000000000000040
> bus: spi
> type SSI
> dev: s25sl12801, id ""
> gpio-in "ssi-gpio-cs" 1
> nonvolatile-cfg = 36863 (0x8fff)
> spansion-cr1nv = 0 (0x0)
> spansion-cr2nv = 1 (0x1)
> spansion-cr3nv = 2 (0x2)
> spansion-cr4nv = 16 (0x10)
> drive = "mtd0"
> dev: mss-timer, id ""
> gpio-out "sysbus-irq" 2
> clock-frequency = 71000000 (0x43b5fc0)
> mmio 0000000040004000/0000000000000030
> dev: msf2-sysreg, id ""
> apb0divisor = 2 (0x2)
> apb1divisor = 2 (0x2)
> mmio 0000000040038000/0000000000000300
>
> So far:
> Tested-by: Philippe Mathieu-Daudé <address@hidden>
>
Thanks for testing.
> Just some comments (no need to fix):
>
Thank you, I will look into these errors once the patchset gets into the
tree.
>
> M2S-FG484-SOM> reset
> resetting ...
> M2S-FG484-SOM>
>
> Hmm no reset, I was expecting some unimp/guest-error warning.
>
> M2S-FG484-SOM> tftpboot
> m2s_eth_init: FIFO initialization timeout
> *** m2s_mac_dump_regs FIFO init:
> DMA TX CTRL=00000000;DESC=00000000;STAT=00000000
> DMA RX CTRL=00000000;DESC=00000000;STAT=00000000
> DMA IRQ 00000000/00000000
> CFG1=00000000;CFG2=00000000;IFG=00000000;HD=00000000;MFL=00000000
> IFCTRL=00000000;IFSTAT=00000000;ADR1=00000000;ADR2=00000000
> FIFO CFG 00000000/00000000/00000000/00000000/00000000/00000000/
> FIFO ACC 00000000/00000000/00000000/00000000/00000000/00000000/000000
> 00/00000000/
>
> (same unimp/guest-error warning)
>
If device is not implemented how do I print warning when guest access that
device?
Thanks,
Sundeep
>
> M2S-FG484-SOM> sf erase 0 0x1000
> UNHANDLED EXCEPTION: HARD FAULT
> R0 = 00000072 R1 = 00000072
> R2 = 09fa3af0 R3 = 004c8000
> R12 = 00000004 LR = 00000a27
> PC = 0000ec98 PSR = 01000000
> [hang]
> IN:
> 0x0000029e: e7fe b.n 0x29e
>
>
>
>> 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
>>
>> v8:
>> memory_region_init_ram to memory_region_init_rom in soc
>> %s/emcraft_sf2_init/emcraft_sf2_s2s010_init/g in som
>> Added mc->ignore_memory_transaction_failures = true in som
>> as per latest commit.
>> Code simplifications as suggested by Alistair in sysreg and ssi.
>>
>> v7:
>> Removed vmstate_register_ram_global as per latest commit
>> Moved header files to C which are local to C source files
>> Removed abort() from msf2-sysreg.c
>> Added VMStateDescription in mss-timer.c
>>
>> v6:
>> Moved some defines from header files to source files
>> Added properties m3clk, apb0div, apb0div1 properties
>> to soc.
>> Added properties apb0divisor, apb1divisor to sysreg
>> Update system_clock_source in msf2-soc.c
>> Changed machine name smartfusion2-som->emcraft-sf2
>>
>> 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 | 1 +
>> hw/arm/msf2-soc.c | 218 ++++++++++++++++++++++
>> hw/arm/msf2-som.c | 95 ++++++++++
>> hw/misc/Makefile.objs | 1 +
>> hw/misc/msf2-sysreg.c | 195 +++++++++++++++++++
>> hw/ssi/Makefile.objs | 1 +
>> hw/ssi/mss-spi.c | 404 ++++++++++++++++++++++++++++++
>> ++++++++++
>> hw/timer/Makefile.objs | 1 +
>> hw/timer/mss-timer.c | 289 ++++++++++++++++++++++++++++
>> include/hw/arm/msf2-soc.h | 66 +++++++
>> include/hw/misc/msf2-sysreg.h | 78 ++++++++
>> include/hw/ssi/mss-spi.h | 58 ++++++
>> include/hw/timer/mss-timer.h | 64 +++++++
>> 14 files changed, 1472 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
>>
>>
- Re: [Qemu-devel] [Qemu devel v8 PATCH 3/5] msf2: Add Smartfusion2 SPI controller, (continued)
[Qemu-devel] [Qemu devel v8 PATCH 5/5] msf2: Add Emcraft's Smartfusion2 SOM kit, Subbaraya Sundeep, 2017/09/07
Re: [Qemu-devel] [Qemu devel v8 PATCH 0/5] Add support for Smartfusion2 SoC, Philippe Mathieu-Daudé, 2017/09/07
- Re: [Qemu-devel] [Qemu devel v8 PATCH 0/5] Add support for Smartfusion2 SoC,
sundeep subbaraya <=