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hw/sd/milkymist: Do not create SD card within the SD host controller

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SD/MMC host controllers provide a SD Bus to plug SD cards,
but don't come with SD card plugged in :) Let the machine/board
model create and plug the SD cards when required.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200705211016.15241-5-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2020-07-05 23:03:34 +02:00
parent ae7ba8e04a
commit a8c73ca21a
2 changed files with 45 additions and 23 deletions
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13
hw/lm32/milkymist.c
View file

@ -34,6 +34,7 @@
#include "elf.h"
#include "milkymist-hw.h"
#include "hw/display/milkymist_tmu2.h"
#include "hw/sd/sd.h"
#include "lm32.h"
#include "exec/address-spaces.h"
#include "qemu/cutils.h"
@ -83,11 +84,23 @@ static void main_cpu_reset(void *opaque)
static DeviceState *milkymist_memcard_create(hwaddr base)
{
DeviceState *dev;
DriveInfo *dinfo;
dev = qdev_new("milkymist-memcard");
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
dinfo = drive_get_next(IF_SD);
if (dinfo) {
DeviceState *card;
card = qdev_new(TYPE_SD_CARD);
qdev_prop_set_drive_err(card, "drive", blk_by_legacy_dinfo(dinfo),
&error_fatal);
qdev_realize_and_unref(card, qdev_get_child_bus(dev, "sd-bus"),
&error_fatal);
}
return dev;
}