On 30.05.2018 01:08, Philippe Mathieu-Daudé wrote: > On 05/28/2018 01:30 AM, Philippe Mathieu-Daudé wrote: >> Hi, >> >> I'd like to connect a specific SD card to a specific SDHCI from command >> line, and I'm getting a bit lost with command line options. >> >> I'm using an updated version of this patch, but this is not relevant to >> this thread: >> http://lists.nongnu.org/archive/html/qemu-devel/2018-05/msg01914.html >> >> In the following example, I'd like to connect an UHS-I enabled SD card >> to the first SHDCI of the Exynos4210 board (Nuri). >> >> I tried: >> >> $ ./arm-softmmu/qemu-system-arm -M nuri \ >> -device sd-card,id=sd0,uhs=1 \ >> -drive if=sd,id=sd0,driver=null-co,size=4G \ >> -monitor stdio -S > > Peter suggested on IRC to use: > > -drive if=none,id=mydrive,... -device sd-card,...,drive=mydrive > > which indeed works enough for my tests: > > $ ./arm-softmmu/qemu-system-arm -M nuri \ > -drive if=none,id=mydrive,driver=null-co,size=4G \ > -device sd-card,id=sd0,uhs=1,drive=mydrive \ > -monitor stdio -S > > The same issues are still here but don't bother: > > (qemu) info qtree > bus: main-system-bus > type System > dev: generic-sdhci, id "" > gpio-out "sysbus-irq" 1 > sd-spec-version = 2 (0x2) > uhs = 0 (0x0) > capareg = 99090560 (0x5e80080) > maxcurr = 0 (0x0) > pending-insert-quirk = false > dma = "" > mmio 0000000012540000/0000000000000100 > bus: sd-bus > type sdhci-bus > dev: sd-card, id "sd0" > drive = "mydrive" > spi = false > uhs = 1 (0x1) > dev: sd-card, id "" > drive = "" > spi = false > uhs = 0 (0x0) > > ^---- 2 cards
Looks like the nuri board always creates an sd-card by default? You could try to change exynos4210_init() to only create it if drive_get(IF_SD, ...) is not returning NULL - then it should be possible to disable it with "-nodefaults". Thomas
signature.asc
Description: OpenPGP digital signature
