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authorPeter Maydell <peter.maydell@linaro.org>2018-02-13 18:24:07 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-02-13 18:24:08 +0000
commitbec9c64ef7be8063f1192608b83877bc5c9ea217 (patch)
treee3dd26e9a874b7a8ee86d977ed51146f06312035 /hw/sd/sd.c
parentb734ed9de10dbf10a873ae4b44cb1c13f59213d0 (diff)
parent7524a39d8c7c9ff54504cfeb784909e4f49d6f30 (diff)
downloadfocaccia-qemu-bec9c64ef7be8063f1192608b83877bc5c9ea217.tar.gz
focaccia-qemu-bec9c64ef7be8063f1192608b83877bc5c9ea217.zip
Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* CAN bus (will be under network maintainner)
* scsi-block opblockers (myself)
* Dirty log bitmap cleanup (myself)
* SDHCI improvements and tests (Philippe)
* HAX support for larger guest sizese (Yu Ning)

# gpg: Signature made Tue 13 Feb 2018 15:37:14 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (48 commits)
  travis: use libgcc-4.8-dev (libgcc-6-dev is not available on Ubuntu 14.04)
  memory: unify loops to sync dirty log bitmap
  memory: hide memory_region_sync_dirty_bitmap behind DirtyBitmapSnapshot
  memory: remove memory_region_test_and_clear_dirty
  g364fb: switch to using DirtyBitmapSnapshot
  sdhci: add Spec v4.2 register definitions
  sdhci: add a check_capab_v3() qtest
  sdhci: check Spec v3 capabilities qtest
  hw/arm/xilinx_zynqmp: enable the UHS-I mode
  hw/arm/xilinx_zynqmp: fix the capabilities/spec version to match the datasheet
  hw/arm/fsl-imx6: implement SDHCI Spec. v3
  hw/arm/bcm2835_peripherals: change maximum block size to 1kB
  hw/arm/bcm2835_peripherals: implement SDHCI Spec v3
  sdhci: implement CMD/DAT[] fields in the Present State register
  sdhci: implement UHS-I voltage switch
  sdbus: add trace events
  sdhci: implement the Host Control 2 register (tuning sequence)
  sdhci: rename the hostctl1 register
  sdhci: add support for v3 capabilities
  hw/arm/xilinx_zynq: fix the capabilities register to match the datasheet
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/sd/sd.c')
-rw-r--r--hw/sd/sd.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 73e405a04f..9ac9b63ff8 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -126,8 +126,32 @@ struct SDState {
     BlockBackend *blk;
 
     bool enable;
+    uint8_t dat_lines;
+    bool cmd_line;
 };
 
+static uint8_t sd_get_dat_lines(SDState *sd)
+{
+    return sd->enable ? sd->dat_lines : 0;
+}
+
+static bool sd_get_cmd_line(SDState *sd)
+{
+    return sd->enable ? sd->cmd_line : false;
+}
+
+static void sd_set_voltage(SDState *sd, uint16_t millivolts)
+{
+    switch (millivolts) {
+    case 3001 ... 3600: /* SD_VOLTAGE_3_3V */
+    case 2001 ... 3000: /* SD_VOLTAGE_3_0V */
+        break;
+    default:
+        qemu_log_mask(LOG_GUEST_ERROR, "SD card voltage not supported: %.3fV",
+                      millivolts / 1000.f);
+    }
+}
+
 static void sd_set_mode(SDState *sd)
 {
     switch (sd->state) {
@@ -445,6 +469,8 @@ static void sd_reset(DeviceState *dev)
     sd->blk_len = 0x200;
     sd->pwd_len = 0;
     sd->expecting_acmd = false;
+    sd->dat_lines = 0xf;
+    sd->cmd_line = true;
     sd->multi_blk_cnt = 0;
 }
 
@@ -1926,6 +1952,9 @@ static void sd_class_init(ObjectClass *klass, void *data)
     dc->reset = sd_reset;
     dc->bus_type = TYPE_SD_BUS;
 
+    sc->set_voltage = sd_set_voltage;
+    sc->get_dat_lines = sd_get_dat_lines;
+    sc->get_cmd_line = sd_get_cmd_line;
     sc->do_command = sd_do_command;
     sc->write_data = sd_write_data;
     sc->read_data = sd_read_data;