qemu-arm
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-arm] [PATCH 3/6] hw/sd/milkymist-memcard: expose a SDBus and conne


From: Philippe Mathieu-Daudé
Subject: [Qemu-arm] [PATCH 3/6] hw/sd/milkymist-memcard: expose a SDBus and connect the SDCard to it
Date: Wed, 3 Jan 2018 13:23:57 -0300

using the sdbus_*() API.

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 hw/sd/milkymist-memcard.c | 34 +++++++++++++++++++++-------------
 1 file changed, 21 insertions(+), 13 deletions(-)

diff --git a/hw/sd/milkymist-memcard.c b/hw/sd/milkymist-memcard.c
index 5df3a0f815..9f4c7dad63 100644
--- a/hw/sd/milkymist-memcard.c
+++ b/hw/sd/milkymist-memcard.c
@@ -68,7 +68,7 @@ struct MilkymistMemcardState {
     SysBusDevice parent_obj;
 
     MemoryRegion regs_region;
-    SDState *card;
+    SDBus sdbus;
 
     int command_write_ptr;
     int response_read_ptr;
@@ -104,7 +104,7 @@ static void memcard_sd_command(MilkymistMemcardState *s)
     req.crc = s->command[5];
 
     s->response[0] = req.cmd;
-    s->response_len = sd_do_command(s->card, &req, s->response+1);
+    s->response_len = sdbus_do_command(&s->sdbus, &req, s->response + 1);
     s->response_read_ptr = 0;
 
     if (s->response_len == 16) {
@@ -149,10 +149,10 @@ static uint64_t memcard_read(void *opaque, hwaddr addr,
             r = 0xffffffff;
         } else {
             r = 0;
-            r |= sd_read_data(s->card) << 24;
-            r |= sd_read_data(s->card) << 16;
-            r |= sd_read_data(s->card) << 8;
-            r |= sd_read_data(s->card);
+            r |= sdbus_read_data(&s->sdbus) << 24;
+            r |= sdbus_read_data(&s->sdbus) << 16;
+            r |= sdbus_read_data(&s->sdbus) << 8;
+            r |= sdbus_read_data(&s->sdbus);
         }
         break;
     case R_CLK2XDIV:
@@ -206,10 +206,10 @@ static void memcard_write(void *opaque, hwaddr addr, 
uint64_t value,
         if (!s->enabled) {
             break;
         }
-        sd_write_data(s->card, (value >> 24) & 0xff);
-        sd_write_data(s->card, (value >> 16) & 0xff);
-        sd_write_data(s->card, (value >> 8) & 0xff);
-        sd_write_data(s->card, value & 0xff);
+        sdbus_write_data(&s->sdbus, (value >> 24) & 0xff);
+        sdbus_write_data(&s->sdbus, (value >> 16) & 0xff);
+        sdbus_write_data(&s->sdbus, (value >> 8) & 0xff);
+        sdbus_write_data(&s->sdbus, value & 0xff);
         break;
     case R_ENABLE:
         s->regs[addr] = value;
@@ -266,15 +266,23 @@ static int milkymist_memcard_init(SysBusDevice *dev)
 static void milkymist_memcard_realize(DeviceState *dev, Error **errp)
 {
     MilkymistMemcardState *s = MILKYMIST_MEMCARD(dev);
+    DeviceState *carddev;
     BlockBackend *blk;
     DriveInfo *dinfo;
+    Error *err = NULL;
 
+    qbus_create_inplace(&s->sdbus, sizeof(s->sdbus), TYPE_SD_BUS,
+                        dev, "sd-bus");
+
+    /* Create and plug in the sd card */
     /* FIXME use a qdev drive property instead of drive_get_next() */
     dinfo = drive_get_next(IF_SD);
     blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL;
-    s->card = sd_init(blk, false);
-    if (s->card == NULL) {
-        error_setg(errp, "failed to init SD card");
+    carddev = qdev_create(&s->sdbus.qbus, TYPE_SD_CARD);
+    qdev_prop_set_drive(carddev, "drive", blk, &err);
+    object_property_set_bool(OBJECT(carddev), true, "realized", &err);
+    if (err) {
+        error_setg(errp, "failed to init SD card: %s", error_get_pretty(err));
         return;
     }
     s->enabled = blk && blk_is_inserted(blk);
-- 
2.15.1




reply via email to

[Prev in Thread] Current Thread [Next in Thread]