hw/sd/sdhci: Add TYPE_FSL_ESDHC_BE

For now, TYPE_FSL_ESDHC_BE is basically a big-endian variant of
TYPE_IMX_USDHC. It will be used in the e500 machines in the next step which
prevents Linux to flood the console with "mmc0: Internal clock never
stabilised" messages.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-ID: <20260112145418.220506-9-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 531dd3c2911714ab5458d785506ccac4214a7af5..6277abe8702b9d3341347619d75fcdd38fea2de3 100644 (file)
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1871,6 +1871,32 @@ esdhc_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
     }
 }
 
+static const MemoryRegionOps esdhc_mmio_be_ops = {
+    .read = esdhc_read,
+    .write = esdhc_write,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+    .valid = {
+        .min_access_size = 1,
+        .max_access_size = 4,
+        .unaligned = false
+    },
+    .endianness = DEVICE_BIG_ENDIAN,
+};
+
+static void fsl_esdhc_be_init(Object *obj)
+{
+    SDHCIState *s = SYSBUS_SDHCI(obj);
+    DeviceState *dev = DEVICE(obj);
+
+    s->io_ops = &esdhc_mmio_be_ops;
+    s->quirks = SDHCI_QUIRK_NO_BUSY_IRQ;
+    qdev_prop_set_uint8(dev, "sd-spec-version", 2);
+    qdev_prop_set_uint8(dev, "vendor", SDHCI_VENDOR_FSL);
+}
+
 static const MemoryRegionOps usdhc_mmio_ops = {
     .read = esdhc_read,
     .write = esdhc_write,
@@ -1965,6 +1991,11 @@ static const TypeInfo sdhci_types[] = {
         .instance_finalize = sdhci_sysbus_finalize,
         .class_init = sdhci_sysbus_class_init,
     },
+    {
+        .name = TYPE_FSL_ESDHC_BE,
+        .parent = TYPE_SYSBUS_SDHCI,
+        .instance_init = fsl_esdhc_be_init,
+    },
     {
         .name = TYPE_IMX_USDHC,
         .parent = TYPE_SYSBUS_SDHCI,

diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 32962c210d72fe217742bbd42e16600eaa2bea43..3eb0684a890a394ab4cf898a0af521ff1936ea4c 100644 (file)
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -128,6 +128,8 @@ DECLARE_INSTANCE_CHECKER(SDHCIState, PCI_SDHCI,
 DECLARE_INSTANCE_CHECKER(SDHCIState, SYSBUS_SDHCI,
                          TYPE_SYSBUS_SDHCI)
 
+#define TYPE_FSL_ESDHC_BE "fsl-esdhc-be"
+
 #define TYPE_IMX_USDHC "imx-usdhc"
 
 #define TYPE_S3C_SDHCI "s3c-sdhci"