Merge remote-tracking branch 'remotes/philmd-gitlab/tags/sd-next-20200821' into staging

SD/MMC patches

- Convert legacy SD host controller to the SDBus API
- Move legacy API to a separate "sdcard_legacy.h" header
- Introduce methods to access multiple bytes on SDBus data lines
- Fix 'switch function' group location
- Fix SDSC maximum card size (2GB)

CI jobs result:
  https://gitlab.com/philmd/qemu/-/pipelines/180605963

# gpg: Signature made Fri 21 Aug 2020 18:27:50 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/sd-next-20200821: (23 commits)
  hw/sd: Correct the maximum size of a Standard Capacity SD Memory Card
  hw/sd: Fix incorrect populated function switch status data structure
  hw/sd: Use sdbus_read_data() instead of sdbus_read_byte() when possible
  hw/sd: Add sdbus_read_data() to read multiples bytes on the data line
  hw/sd: Use sdbus_write_data() instead of sdbus_write_byte when possible
  hw/sd: Add sdbus_write_data() to write multiples bytes on the data line
  hw/sd: Rename sdbus_read_data() as sdbus_read_byte()
  hw/sd: Rename sdbus_write_data() as sdbus_write_byte()
  hw/sd: Rename read/write_data() as read/write_byte()
  hw/sd: Move sdcard legacy API to 'hw/sd/sdcard_legacy.h'
  hw/sd/sdcard: Make sd_data_ready() static
  hw/sd/pl181: Replace disabled fprintf()s by trace events
  hw/sd/pl181: Do not create SD card within the SD host controller
  hw/sd/pl181: Expose a SDBus and connect the SDCard to it
  hw/sd/pl181: Use named GPIOs
  hw/sd/pl181: Add TODO to use Fifo32 API
  hw/sd/pl181: Rename pl181_send_command() as pl181_do_command()
  hw/sd/pl181: Replace fprintf(stderr, "*\n") with error_report()
  hw/sd/milkymist: Do not create SD card within the SD host controller
  hw/sd/milkymist: Create the SDBus at init()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 24 insertions, 11 deletions

diff --git a/hw/lm32/milkymist-hw.h b/hw/lm32/milkymist-hw.h
index 05e2c2a5a7..5dca5d52f5 100644
--- a/hw/lm32/milkymist-hw.h
+++ b/hw/lm32/milkymist-hw.h
@@ -31,17 +31,6 @@ static inline DeviceState *milkymist_hpdmc_create(hwaddr base)
     return dev;
 }
 
-static inline DeviceState *milkymist_memcard_create(hwaddr base)
-{
-    DeviceState *dev;
-
-    dev = qdev_new("milkymist-memcard");
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base);
-
-    return dev;
-}
-
 static inline DeviceState *milkymist_vgafb_create(hwaddr base,
         uint32_t fb_offset, uint32_t fb_mask)
 {
diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c
index 85913bb68b..9f8fe9fef1 100644
--- a/hw/lm32/milkymist.c
+++ b/hw/lm32/milkymist.c
@@ -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"
@@ -80,6 +81,29 @@ static void main_cpu_reset(void *opaque)
     env->deba = reset_info->flash_base;
 }
 
+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;
+}
+
 static void
 milkymist_init(MachineState *machine)
 {