The Pynq is a low cost Zynq board I have wanted to have support for. http://www.pynq.io/board.html
Basic support should be a matter of tweaking the settings and adding a bsp variant On Sat, Feb 25, 2023, 10:21 AM Alan Cudmore <alan.cudm...@gmail.com> wrote: > Improving Raspberry Pi 4 support would be a great GSOC project. Right now > the Beagleboard is my default for a low cost network enabled RTEMS board. > But a Pi4 with network and SMP support would be a great board to learn > RTEMS. Even better if the supply problems are addressed this year. In > addition to educational use, the RPI4 compute module enables industrial use > cases. > Regards, > Alan > > > On Sun, Feb 19, 2023 at 10:28 AM Joel Sherrill <j...@rtems.org> wrote: > >> That's all great information to include in the ticket and/or the Users >> Guide. >> >> >> >> On Sun, Feb 19, 2023, 7:44 AM Noor Aman <nooraman5...@gmail.com> wrote: >> >>> I booted freeBSD on the Raspberry pi, I was able to confirm that it used >>> genet driver together with miibus for the NIC. This is further confirmed >>> with the FreeBSD manual page. >>> https://man.freebsd.org/cgi/man.cgi?query=genet >>> >>> One more thing to follow is that i noticed that FreeBSD is using PSCI, >>> so I'm assuming that it is being used for SMP. I'll file a ticket as soon >>> as I'm able to grab more information. >>> >>> Here are the full dmesg log of Raspberry pi 4B booting FreeBSD 13.2 >>> >>> WARNING: Cannot find freebsd,dts-version property, cannot check DTB >>>> compliance >>>> Copyright (c) 1992-2021 The FreeBSD Project. >>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 >>>> The Regents of the University of California. All rights >>>> reserved. >>>> FreeBSD is a registered trademark of The FreeBSD Foundation. >>>> FreeBSD 13.2-BETA2 releng/13.2-n254478-065f7854521d GENERIC arm64 >>>> FreeBSD clang version 14.0.5 (https://github.com/llvm/llvm-project.git >>>> llvmorg-14.0.5-0-gc12386ae247c) >>>> VT(efifb): resolution 592x448 >>>> module firmware already present! >>>> real memory = 4148158464 (3955 MB) >>>> avail memory = 4022452224 (3836 MB) >>>> Starting CPU 1 (1) >>>> Starting CPU 2 (2) >>>> Starting CPU 3 (3) >>>> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs >>>> random: unblocking device. >>>> random: entropy device external interface >>>> MAP 39f2b000 mode 2 pages 1 >>>> MAP 39f2f000 mode 2 pages 1 >>>> MAP 39f31000 mode 2 pages 2 >>>> MAP 39f34000 mode 2 pages 4 >>>> MAP 3b350000 mode 2 pages 16 >>>> MAP fe100000 mode 0 pages 1 >>>> kbd0 at kbdmux0 >>>> ofwbus0: <Open Firmware Device Tree> >>>> simplebus0: <Flattened device tree simple bus> on ofwbus0 >>>> ofw_clkbus0: <OFW clocks bus> on ofwbus0 >>>> clk_fixed0: <Fixed clock> on ofw_clkbus0 >>>> clk_fixed1: <Fixed clock> on ofw_clkbus0 >>>> clk_fixed2: <Fixed clock> on ofwbus0 >>>> clk_fixed3: <Fixed clock> on ofwbus0 >>>> simplebus1: <Flattened device tree simple bus> on ofwbus0 >>>> simplebus2: <Flattened device tree simple bus> on ofwbus0 >>>> regfix0: <Fixed Regulator> on ofwbus0 >>>> regfix1: <Fixed Regulator> on ofwbus0 >>>> regfix2: <Fixed Regulator> on ofwbus0 >>>> simplebus3: <Flattened device tree simple bus> on ofwbus0 >>>> simple_mfd0: <Simple MFD (Multi-Functions Device)> mem >>>> 0x7d5d2000-0x7d5d2eff on simplebus0 >>>> bcm2835_firmware0: <BCM2835 Firmware> on simplebus0 >>>> ofw_clkbus1: <OFW clocks bus> on bcm2835_firmware0 >>>> psci0: <ARM Power State Co-ordination Interface Driver> on ofwbus0 >>>> gic0: <ARM Generic Interrupt Controller> mem >>>> 0x40041000-0x40041fff,0x40042000-0x40043fff,0x40044000-0x40045fff,0x40046000-0x40047fff >>>> irq 30 on simplebus0 >>>> gic0: pn 0x2, arch 0x2, rev 0x1, implementer 0x43b irqs 256 >>>> gpio0: <BCM2708/2835 GPIO controller> mem 0x7e200000-0x7e2000b3 irq >>>> 14,15 on simplebus0 >>>> gpiobus0: <OFW GPIO bus> on gpio0 >>>> gpio1: <Raspberry Pi Firmware GPIO controller> on bcm2835_firmware0 >>>> gpiobus1: <GPIO bus> on gpio1 >>>> regfix0: Cannot set GPIO pin: 6 >>>> REGNODE_INIT failed: 6 >>>> regfix0: Cannot register regulator. >>>> mbox0: <BCM2835 VideoCore Mailbox> mem 0x7e00b880-0x7e00b8bf irq 13 on >>>> simplebus0 >>>> gpioregulator0: <GPIO controlled regulator> on ofwbus0 >>>> generic_timer0: <ARMv8 Generic Timer> irq 4,5,6,7 on ofwbus0 >>>> Timecounter "ARM MPCore Timecounter" frequency 54000000 Hz quality 1000 >>>> Event timer "ARM MPCore Eventtimer" frequency 54000000 Hz quality 1000 >>>> usb_nop_xceiv0: <USB NOP PHY> on ofwbus0 >>>> bcm2835_clkman0: <BCM283x Clock Manager> mem 0x7e101000-0x7e102fff on >>>> simplebus0 >>>> gpioc0: <GPIO controller> on gpio0 >>>> uart0: <PrimeCell UART (PL011)> mem 0x7e201000-0x7e2011ff irq 16 on >>>> simplebus0 >>>> uart0: console (115200,n,8,1) >>>> spi0: <BCM2708/2835 SPI controller> mem 0x7e204000-0x7e2041ff irq 18 on >>>> simplebus0 >>>> spibus0: <OFW SPI bus> on spi0 >>>> spibus0: <unknown card> at cs 0 mode 0 >>>> spibus0: <unknown card> at cs 1 mode 0 >>>> iichb0: <BCM2708/2835 BSC controller> mem 0x7e804000-0x7e804fff irq 26 >>>> on simplebus0 >>>> bcm_dma0: <BCM2835 DMA Controller> mem 0x7e007000-0x7e007aff irq >>>> 31,32,33,34,35,36,37,38,39,40,41 on simplebus0 >>>> bcmwd0: <BCM2708/2835 Watchdog> mem >>>> 0x7e100000-0x7e100113,0x7e00a000-0x7e00a023,0x7ec11000-0x7ec1101f on >>>> simplebus0 >>>> bcmrng0: <Broadcom BCM2835/BCM2838 RNG> mem 0x7e104000-0x7e104027 on >>>> simplebus0 >>>> gpioc1: <GPIO controller> on gpio1 >>>> sdhci_bcm0: <Broadcom 2708 SDHCI controller> mem 0x7e300000-0x7e3000ff >>>> irq 73 on simplebus0 >>>> mmc0: <MMC/SD bus> on sdhci_bcm0 >>>> fb0: <BCM2835 VT framebuffer driver> on simplebus0 >>>> fb0: keeping existing fb bpp of 32 >>>> fbd0 on fb0 >>>> WARNING: Device "fb" is Giant locked and may be deleted before FreeBSD >>>> 14.0. >>>> VT: Replacing driver "efifb" with new "fb". >>>> fb0: 592x448(592x448@0,0) 32bpp >>>> fb0: fbswap: 1, pitch 2368, base 0x3eaf5000, screen_size 1060864 >>>> sdhci_bcm1: <Broadcom 2708 SDHCI controller> mem 0x7e340000-0x7e3400ff >>>> irq 79 on simplebus1 >>>> mmc1: <MMC/SD bus> on sdhci_bcm1 >>>> pmu0: <Performance Monitoring Unit> irq 0,1,2,3 on ofwbus0 >>>> cpulist0: <Open Firmware CPU Group> on ofwbus0 >>>> cpu0: <Open Firmware CPU> on cpulist0 >>>> bcm2835_cpufreq0: <CPU Frequency Control> on cpu0 >>>> cpu1: <Open Firmware CPU> on cpulist0 >>>> cpu2: <Open Firmware CPU> on cpulist0 >>>> cpu3: <Open Firmware CPU> on cpulist0 >>>> pcib0: <BCM2838-compatible PCI-express controller> mem >>>> 0x7d500000-0x7d50930f irq 80,81 on simplebus2 >>>> pcib0: hardware identifies as revision 0x304. >>>> pci1: <PCI bus> on pcib0 >>>> pcib1: <PCI-PCI bridge> irq 91 at device 0.0 on pci1 >>>> pci2: <PCI bus> on pcib1 >>>> bcm_xhci0: <VL805 USB 3.0 controller (on the Raspberry Pi 4b)> irq 92 >>>> at device 0.0 on pci2 >>>> bcm_xhci0: 32 bytes context size, 64-bit DMA >>>> usbus0 on bcm_xhci0 >>>> pci0: <PCI bus> on pcib0 >>>> pci0: failed to allocate bus number >>>> device_attach: pci0 attach returned 6 >>>> genet0: <RPi4 Gigabit Ethernet> mem 0x7d580000-0x7d58ffff irq 82,83 on >>>> simplebus2 >>>> genet0: GENET version 5.0 phy 0x0000 >>>> miibus0: <MII bus> on genet0 >>>> brgphy0: <BCM54213PE 1000BASE-T media interface> PHY 1 on miibus0 >>>> brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, >>>> 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto >>>> genet0: Ethernet address: e4:5f:01:62:6c:5b >>>> gpioled0: <GPIO LEDs> on ofwbus0 >>>> armv8crypto0: CPU lacks AES instructions >>>> Timecounters tick every 1.000 msec >>>> [nl_generic] genl_register_family: Registered family nlctrl id 16 >>>> [nl_generic] genl_register_cmds: Adding cmd GETFAMILY(3) to family >>>> nlctrl >>>> usbus0: 5.0Gbps Super Speed USB v3.0 >>>> iicbus0: <OFW I2C bus> on iichb0 >>>> iic0: <I2C generic I/O> on iicbus0 >>>> ugen0.1: <(0x1106) XHCI root HUB> at usbus0 >>>> uhub0 on usbus0 >>>> uhub0: <(0x1106) XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on >>>> usbus0 >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x000001aa | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x000001aa | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x000001aa | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x000001aa | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> sdhci_bcm0-slot0: Got command interrupt 0x00030000, but there is no >>>> active command. >>>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>>> sdhci_bcm0-slot0: Sys addr: 0x00000000 | Version: 0x00009902 >>>> sdhci_bcm0-slot0: Blk size: 0x00000000 | Blk cnt: 0x00000000 >>>> sdhci_bcm0-slot0: Argument: 0x00000000 | Trn mode: 0x00000000 >>>> sdhci_bcm0-slot0: Present: 0x000f0000 | Host ctl: 0x00000001 >>>> sdhci_bcm0-slot0: Power: 0x0000000f | Blk gap: 0x00000000 >>>> sdhci_bcm0-slot0: Wake-up: 0x00000000 | Clock: 0x00003947 >>>> sdhci_bcm0-slot0: Timeout: 0x00000000 | Int stat: 0x00000000 >>>> sdhci_bcm0-slot0: Int enab: 0x01ff00bb | Sig enab: 0x01ff00bb >>>> sdhci_bcm0-slot0: AC12 err: 0x00000000 | Host ctl2:0x00000000 >>>> sdhci_bcm0-slot0: Caps: 0x00000000 | Caps2: 0x00000000 >>>> sdhci_bcm0-slot0: Max curr: 0x00000001 | ADMA err: 0x00000000 >>>> sdhci_bcm0-slot0: ADMA addr:0x00000000 | Slot int: 0x00000000 >>>> sdhci_bcm0-slot0: =========================================== >>>> uhub0: 5 ports with 4 removable, self powered >>>> mmc0: No compatible cards found on bus >>>> mmcsd0: 32GB <SDHC SS32G 8.0 SN 618C22B0 MFG 01/2022 by 3 SD> at mmc1 >>>> 50.0MHz/4bit/65535-block >>>> bcm2835_cpufreq0: ARM 600MHz, Core 200MHz, SDRAM 400MHz, Turbo OFF >>>> CPU 0: ARM Cortex-A72 r0p3 affinity: 0 >>>> Cache Type = <64 byte D-cacheline,64 byte >>>> I-cacheline,PIPT ICache,64 byte ERG,64 byte CWG> >>>> Trying to mount root from ufs:/dev/ufs/rootfs [rw]... >>>> Instruction Set Attributes 0 = <CRC32> >>>> Instruction Set Attributes 1 = <> >>>> Instruction Set Attributes 2 = <> >>>> Processor Features 0 = <AdvSIMD,FP,EL3 32,EL2 32,EL1 32,EL0 32> >>>> Processor Features 1 = <> >>>> Memory Model Features 0 = <TGran4,TGran64,SNSMem,BigEnd,16bit >>>> ASID,16TB PA> >>>> Memory Model Features 1 = <8bit VMID> >>>> Memory Model Features 2 = <32bit CCIDX,48bit VA> >>>> Debug Features 0 = <DoubleLock,2 CTX BKPTs,4 Watchpoints,6 >>>> Breakpoints,PMUv3,Debugv8> >>>> Debug Features 1 = <> >>>> Auxiliary Features 0 = <> >>>> Auxiliary Features 1 = <> >>>> AArch32 Instruction Set Attributes 5 = <CRC32,SEVL> >>>> AArch32 Media and VFP Features 0 = <FPRound,FPSqrt,FPDivide,DP >>>> VFPv3+v4,SP VFPv3+v4,AdvSIMD> >>>> AArch32 Media and VFP Features 1 = <SIMDFMAC,FPHP DP Conv,SIMDHP SP >>>> Conv,SIMDSP,SIMDInt,SIMDLS,FPDNaN,FPFtZ> >>>> CPU 1: ARM Cortex-A72 r0p3 affinity: 1 >>>> CPU 2: ARM Cortex-A72 r0p3 affinity: 2 >>>> CPU 3: ARM Cortex-A72 r0p3 affinity: 3 >>>> Release APs...done >>>> WARNING: / was not properly dismounted >>>> Warning: no time-of-day clock registered, system time will not be set >>>> accurately >>>> Dual Console: Serial Primary, Video Secondary >>>> ugen0.2: <vendor 0x2109 USB2.0 Hub> at usbus0 >>>> uhub1 on uhub0 >>>> uhub1: <vendor 0x2109 USB2.0 Hub, class 9/0, rev 2.10/4.21, addr 1> on >>>> usbus0 >>>> uhub1: 4 ports with 4 removable, self powered >>>> lo0: link state changed to UP >>>> genet0: link state changed to DOWN >>>> genet0: link state changed to UP >>>> >>> >>> >>> On Sun, 19 Feb 2023 at 02:24, Joel Sherrill <j...@rtems.org> wrote: >>> >>>> >>>> >>>> On Sat, Feb 18, 2023 at 11:09 AM Noor Aman <nooraman5...@gmail.com> >>>> wrote: >>>> >>>>> >>>>> Hey everyone, >>>>> Last year I helped with the porting of RTEMS-aarch64 for Raspberry Pi >>>>> 4B with Kinsey, Alan and Hesham. I'm looking forward to continuing my >>>>> project further. As of now, I have 2 projects in my mind. >>>>> >>>> >>>> Every GSoC project should have a ticket. I found this one for the lower >>>> model Pis but not one for the Pi4 >>>> >>>> https://devel.rtems.org/ticket/2899 >>>> >>>> Can you file a ticket like that for the Pi4 with these ideas? >>>> >>>> >>>>> 1. Bringing in multicore support for the BSP. >>>>> This can be achieved by one of the 2 methods which I know as of now. >>>>> - By using PSCI via TF-A (Currently implemented in Zync MPSoC). >>>>> - By adding support directly to the start.S file. >>>>> >>>>> 2. Add Ethernet support for the BSP >>>>> - This can be done by importing the Genet driver which is used by >>>>> freeBSD for the board. ( >>>>> https://man.freebsd.org/cgi/man.cgi?query=genet ) >>>>> - This is all I know as of now about this idea. >>>>> >>>>> To be honest, I'm not that very familiar with either RTEMS-libbsd or >>>>> TF-A. I did try to use libbsd with RPi4B. Some of the exe ran fine, like >>>>> crypto01 and openssl, but I dont have the exact idea about the rest of the >>>>> testsuites. I'm open to any further ideas. Your suggestions are most >>>>> welcome. >>>>> >>>> >>>> Did you manage to get anything using device drivers from libbsd working >>>> on the Pi4? >>>> >>>> I don't see it listed in include/bsp/nexus-devices.h: which is where >>>> the devices used >>>> would be listed. FWIW I also don't see any arm/Pi configurations >>>> either. I could be >>>> missing something though. >>>> >>>> A first step would be to identify which NIC driver is used for the Pi4 >>>> on FreeBSD. This >>>> should help: >>>> >>>> https://wiki.freebsd.org/arm/Raspberry%20Pi >>>> >>>> Booting FreeBSD on the Pi4 would give you a boot log which should show >>>> a lot >>>> of the details about what needs to be configured. >>>> >>>> --joel >>>> >>>>> >>>>> Thank you. Regards >>>>> -- >>>>> Mohd Noor Aman >>>>> Tinkering with Hardware >>>>> >>>>> _______________________________________________ >>>>> devel mailing list >>>>> devel@rtems.org >>>>> http://lists.rtems.org/mailman/listinfo/devel >>>> >>>> >>> >>> -- >>> Mohd Noor Aman >>> Tinkering with Hardware >>> >>> _______________________________________________ >> devel mailing list >> devel@rtems.org >> http://lists.rtems.org/mailman/listinfo/devel > >
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