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Re: [PATCH 1/2] hw/sd/pxa2xx_mmci: Do not create SD card within the SDHC
From: |
Peter Maydell |
Subject: |
Re: [PATCH 1/2] hw/sd/pxa2xx_mmci: Do not create SD card within the SDHCI controller |
Date: |
Thu, 9 Jul 2020 19:43:18 +0100 |
On Sun, 5 Jul 2020 at 22:33, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>
> SDHCI controllers provide a SD Bus to plug SD cards, but don't
> come with SD card plugged in :) Let the machine/board object
> create and plug the SD cards when required.
This too is not an SDHCI controller.
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
> include/hw/arm/pxa.h | 3 +--
> hw/arm/pxa2xx.c | 39 +++++++++++++++++++++++++++++----------
> hw/sd/pxa2xx_mmci.c | 11 ++---------
> 3 files changed, 32 insertions(+), 21 deletions(-)
> @@ -2135,15 +2136,24 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
>
> s->gpio = pxa2xx_gpio_init(0x40e00000, s->cpu, s->pic, 121);
>
> - dinfo = drive_get(IF_SD, 0, 0);
> - if (!dinfo && !qtest_enabled()) {
> - warn_report("missing SecureDigital device");
> - }
> s->mmc = pxa2xx_mmci_init(address_space, 0x41100000,
> - dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
> qdev_get_gpio_in(s->pic, PXA2XX_PIC_MMC),
> qdev_get_gpio_in(s->dma, PXA2XX_RX_RQ_MMCI),
> qdev_get_gpio_in(s->dma, PXA2XX_TX_RQ_MMCI));
> + dinfo = drive_get(IF_SD, 0, 0);
> + if (dinfo) {
> + DeviceState *carddev;
> +
> + /* Create and plug in the sd card */
> + carddev = qdev_new(TYPE_SD_CARD);
> + qdev_prop_set_drive_err(carddev, "drive",
> + blk_by_legacy_dinfo(dinfo), &error_fatal);
> + qdev_realize_and_unref(carddev, qdev_get_child_bus(DEVICE(s->mmc),
> + "sd-bus"),
> + &error_fatal);
> + } else if (!qtest_enabled()) {
> + warn_report("missing SecureDigital device");
> + }
When we finally get round to qdevifying the PXA2xx this will
have to move up another layer, since pxa270_init() is
effectively the SoC, not the board model. But for the moment
this is as far as we can sensibly lift the code.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM