On 2/24/20 9:55 AM, Philippe Mathieu-Daudé wrote: > On 2/22/20 11:19 PM, Niek Linnenbank wrote: >> Hey Philippe, >> >> Very nice to see that the Raspberry 1 will be supported again, thanks >> for contributing this! >> >> I tried to bring up the machine using raspbian 2019-09-26. It ran >> throught the early kernel initialisation >> but for me it gets stuck at this point: >> >> ./arm-softmmu/qemu-system-arm -M raspi1b -kernel >> $HOME/raspi/boot/kernel.img -append 'printk.time=0 >> earlycon=pl011,0x20201000 console=ttyAMA0 rootwait root=/dev/mmcblk0p2' \ >> -dtb $HOME/raspi/boot/bcm2708-rpi-b-plus.dtb -m 512 -sd >> $HOME/raspi/2019-09-26-raspbian-buster-lite.img -serial stdio -s >> >> [ 0.000000] Booting Linux on physical CPU 0x0 >> [ 0.000000] Linux version 4.19.75+ (dom@buildbot) (gcc version >> 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1270 Tue Sep 24 >> 18:38:54 BST 2019 >> [ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 >> (ARMv7), cr=00c5387d >> [ 0.000000] CPU: VIPT aliasing data cache, unknown instruction cache >> [ 0.000000] OF: fdt: Machine model: Raspberry Pi Model B+ >> [ 0.000000] earlycon: pl11 at MMIO 0x20201000 (options '') >> [ 0.000000] bootconsole [pl11] enabled >> [ 0.000000] Memory policy: Data cache writeback >> [ 0.000000] cma: Reserved 8 MiB at 0x1b800000 >> [ 0.000000] random: get_random_bytes called from >> start_kernel+0x8c/0x49c with crng_init=0 >> [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: >> 113680 >> [ 0.000000] Kernel command line: printk.time=0 >> earlycon=pl011,0x20201000 console=ttyAMA0 rootwait root=/dev/mmcblk0p2 >> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) >> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) >> Memory: 434380K/458752K available (6973K kernel code, 635K rwdata, >> 2080K rodata, 464K init, 797K bss, 16180K reserved, 8192K cma-reserved) >> Virtual kernel memory layout: >> vector : 0xffff0000 - 0xffff1000 ( 4 kB) >> fixmap : 0xffc00000 - 0xfff00000 (3072 kB) >> vmalloc : 0xdc800000 - 0xff800000 ( 560 MB) >> lowmem : 0xc0000000 - 0xdc000000 ( 448 MB) >> modules : 0xbf000000 - 0xc0000000 ( 16 MB) >> .text : 0x(ptrval) - 0x(ptrval) (6975 kB) >> .init : 0x(ptrval) - 0x(ptrval) ( 464 kB) >> .data : 0x(ptrval) - 0x(ptrval) ( 636 kB) >> .bss : 0x(ptrval) - 0x(ptrval) ( 798 kB) >> SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 >> ftrace: allocating 25197 entries in 74 pages >> NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 >> sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every >> 2147483647500ns >> clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, >> max_idle_ns: 1911260446275 ns >> bcm2835: system timer (irq = 27) >> Console: colour dummy device 80x30 >> >> Maybe it should switch to the graphical console here, but I dont see >> the boot splash logo either (when using -stdio instead of -nographic). >> With -M raspi2 and -dtb bcm2709-rpi-2-b.dtb the same raspbian image >> can fully boot to the login console. > > Argh this is because I split this of a bigger series and didn't included > changes related to the GPU 'properties', sorry.
Actually it was missing SYS_timer changes, now rebased/posted: https://www.mail-archive.com/qemu-devel@nongnu.org/msg742694.html > >> >> Regards, >> Niek >> >> >> >> On Mon, Feb 17, 2020 at 12:51 PM Philippe Mathieu-Daudé >> <f4...@amsat.org <mailto:f4...@amsat.org>> wrote: >> >> $ qemu-system-arm -M raspi1b -serial stdio \ >> -kernel raspberrypi/firmware/boot/kernel.img \ >> -dtb raspberrypi/firmware/boot/bcm2708-rpi-b.dtb \ >> -append 'printk.time=0 earlycon=pl011,0x20201000 >> console=ttyAMA0' >> [ 0.000000] Booting Linux on physical CPU 0x0 >> [ 0.000000] Linux version 4.19.69+ (dom@buildbot) (gcc version >> 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1261 Tue Sep >> 3 20:21:01 BST 2019 >> [ 0.000000] CPU: ARMv6-compatible processor [410fb767] >> revision 7 (ARMv7), cr=00c5387d >> [ 0.000000] CPU: VIPT aliasing data cache, unknown instruction >> cache >> [ 0.000000] OF: fdt: Machine model: Raspberry Pi Model B >> [ 0.000000] earlycon: pl11 at MMIO 0x20201000 (options '') >> [ 0.000000] bootconsole [pl11] enabled >> [ 0.000000] Memory policy: Data cache writeback >> [ 0.000000] cma: Reserved 8 MiB at 0x1b800000 >> [ 0.000000] random: get_random_bytes called from >> start_kernel+0x8c/0x49c with crng_init=0 >> [ 0.000000] Built 1 zonelists, mobility grouping on. Total >> pages: 113680 >> [ 0.000000] Kernel command line: printk.time=0 >> earlycon=pl011,0x20201000 console=ttyAMA0 >> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) >> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) >> Memory: 434380K/458752K available (6971K kernel code, 635K >> rwdata, 2080K rodata, 464K init, 797K bss, 16180K reserved, 8192K >> cma-reserved) >> ... >> >> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org >> <mailto:f4...@amsat.org>> >> --- >> hw/arm/raspi.c | 13 +++++++++++++ >> 1 file changed, 13 insertions(+) >> >> diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c >> index 3537a329ac..2d9f4e3085 100644 >> --- a/hw/arm/raspi.c >> +++ b/hw/arm/raspi.c >> @@ -324,6 +324,15 @@ static void >> raspi_machine_class_common_init(MachineClass *mc, >> mc->default_ram_size = board_ram_size(board_rev); >> }; >> >> +static void raspi1b_machine_class_init(ObjectClass *oc, void *data) >> +{ >> + MachineClass *mc = MACHINE_CLASS(oc); >> + RaspiMachineClass *rmc = RASPI_MACHINE_CLASS(oc); >> + >> + rmc->board_rev = 0x900032; >> + raspi_machine_class_common_init(mc, rmc->board_rev); >> +}; >> + >> static void raspi2b_machine_class_init(ObjectClass *oc, void *data) >> { >> MachineClass *mc = MACHINE_CLASS(oc); >> @@ -348,6 +357,10 @@ static void >> raspi3b_machine_class_init(ObjectClass *oc, void *data) >> >> static const TypeInfo raspi_machine_types[] = { >> { >> + .name = MACHINE_TYPE_NAME("raspi1b"), >> + .parent = TYPE_RASPI_MACHINE, >> + .class_init = raspi1b_machine_class_init, >> + }, { >> .name = MACHINE_TYPE_NAME("raspi2b"), >> .parent = TYPE_RASPI_MACHINE, >> .class_init = raspi2b_machine_class_init, >> -- 2.21.1 >> >> >> >> >> -- >> Niek Linnenbank >>
