hw/sd/pl181: Do not create SD card within the SD host controller

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>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200705204630.4133-8-f4bug@amsat.org>

hw/arm/integratorcp.c

@@ -25,6 +25,7 @@
 #include "hw/char/pl011.h"
 #include "hw/hw.h"
 #include "hw/irq.h"
+#include "hw/sd/sd.h"
 
 #define TYPE_INTEGRATOR_CM "integrator_core"
 #define INTEGRATOR_CM(obj) \
@@ -595,6 +596,7 @@ static void integratorcp_init(MachineState *machine)
     MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
     qemu_irq pic[32];
     DeviceState *dev, *sic, *icp;
+    DriveInfo *dinfo;
     int i;
 
     cpuobj = object_new(machine->cpu_type);
@@ -649,6 +651,17 @@ static void integratorcp_init(MachineState *machine)
                           qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_WPROT, 0));
     qdev_connect_gpio_out_named(dev, "card-inserted", 0,
                           qdev_get_gpio_in_named(icp, ICP_GPIO_MMC_CARDIN, 0));
+    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);
+    }
+
     sysbus_create_varargs("pl041", 0x1d000000, pic[25], NULL);
 
     if (nd_table[0].used)

hw/arm/realview.c

@@ -27,6 +27,7 @@
 #include "hw/intc/realview_gic.h"
 #include "hw/irq.h"
 #include "hw/i2c/arm_sbcon_i2c.h"
+#include "hw/sd/sd.h"
 
 #define SMP_BOOT_ADDR 0xe0000000
 #define SMP_BOOTREG_ADDR 0x10000030
@@ -69,6 +70,7 @@ static void realview_init(MachineState *machine,
     qemu_irq mmc_irq[2];
     PCIBus *pci_bus = NULL;
     NICInfo *nd;
+    DriveInfo *dinfo;
     I2CBus *i2c;
     int n;
     unsigned int smp_cpus = machine->smp.cpus;
@@ -236,6 +238,16 @@ static void realview_init(MachineState *machine,
         qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
     qdev_connect_gpio_out_named(dev, "card-read-only", 0, mmc_irq[0]);
     qdev_connect_gpio_out_named(dev, "card-inserted", 0, mmc_irq[1]);
+    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);
+    }
 
     sysbus_create_simple("pl031", 0x10017000, pic[10]);
 

hw/arm/versatilepb.c

@@ -25,6 +25,7 @@
 #include "hw/block/flash.h"
 #include "qemu/error-report.h"
 #include "hw/char/pl011.h"
+#include "hw/sd/sd.h"
 
 #define VERSATILE_FLASH_ADDR 0x34000000
 #define VERSATILE_FLASH_SIZE (64 * 1024 * 1024)
@@ -309,8 +310,29 @@ static void versatile_init(MachineState *machine, int board_id)
     /* Wire up the mux control signals from the SYS_CLCD register */
     qdev_connect_gpio_out(sysctl, 0, qdev_get_gpio_in(dev, 0));
 
-    sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
+    dev = sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
-    sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
+    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);
+    }
+
+    dev = sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
+    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);
+    }
 
     /* Add PL031 Real Time Clock. */
     sysbus_create_simple("pl031", 0x101e8000, pic[10]);

hw/arm/vexpress.c

@@ -43,6 +43,7 @@
 #include "hw/cpu/a9mpcore.h"
 #include "hw/cpu/a15mpcore.h"
 #include "hw/i2c/arm_sbcon_i2c.h"
+#include "hw/sd/sd.h"
 
 #define VEXPRESS_BOARD_ID 0x8e0
 #define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024)
@@ -628,6 +629,16 @@ static void vexpress_common_init(MachineState *machine)
                           qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT));
     qdev_connect_gpio_out_named(dev, "card-inserted", 0,
                           qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN));
+    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);
+    }
 
     sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]);
     sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]);

hw/sd/pl181.c

@@ -17,7 +17,6 @@
 #include "qemu/module.h"
 #include "qemu/error-report.h"
 #include "qapi/error.h"
-#include "hw/qdev-properties.h"
 
 //#define DEBUG_PL181 1
 
@@ -518,30 +517,14 @@ static void pl181_init(Object *obj)
                         TYPE_PL181_BUS, dev, "sd-bus");
 }
 
-static void pl181_realize(DeviceState *dev, Error **errp)
-{
-    DeviceState *card;
-    DriveInfo *dinfo;
-
-    /* FIXME use a qdev drive property instead of drive_get_next() */
-    card = qdev_new(TYPE_SD_CARD);
-    dinfo = drive_get_next(IF_SD);
-    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);
-}
-
 static void pl181_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
 
     k->vmsd = &vmstate_pl181;
     k->reset = pl181_reset;
-    /* Reason: init() method uses drive_get_next() */
+    /* Reason: output IRQs should be wired up */
     k->user_creatable = false;
-    k->realize = pl181_realize;
 }
 
 static const TypeInfo pl181_info = {