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authorAndrey Smirnov <andrew.smirnov@gmail.com>2018-02-09 10:40:29 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-02-09 10:40:29 +0000
commitfd1e5c81796454b6459f44bef8759a970eb9e92a (patch)
treeb7aa173fcf8ea3a4b37f6e8bc84249cdaf7b2c0a /include/hw/sd
parent955f56d44a73d74016b2e71765d984ac7a6db1dc (diff)
sdhci: Add i.MX specific subtype of SDHCI
IP block found on several generations of i.MX family does not use vanilla SDHCI implementation and it comes with a number of quirks. Introduce i.MX SDHCI subtype of SDHCI block to add code necessary to support unmodified Linux guest driver. Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Jason Wang <jasowang@redhat.com> Cc: Philippe Mathieu-Daudé <f4bug@amsat.org> Cc: Marcel Apfelbaum <marcel.apfelbaum@zoho.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Cc: yurovsky@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> [PMM: define and use ESDHC_UNDOCUMENTED_REG27] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/sd')
-rw-r--r--include/hw/sd/sdhci.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/hw/sd/sdhci.h b/include/hw/sd/sdhci.h
index 1cf70f8c23..f8d1ba3538 100644
--- a/include/hw/sd/sdhci.h
+++ b/include/hw/sd/sdhci.h
@@ -44,6 +44,7 @@ typedef struct SDHCIState {
AddressSpace sysbus_dma_as;
AddressSpace *dma_as;
MemoryRegion *dma_mr;
+ const MemoryRegionOps *io_ops;
QEMUTimer *insert_timer; /* timer for 'changing' sd card. */
QEMUTimer *transfer_timer;
@@ -91,8 +92,18 @@ typedef struct SDHCIState {
/* Configurable properties */
bool pending_insert_quirk; /* Quirk for Raspberry Pi card insert int */
+ uint32_t quirks;
} SDHCIState;
+/*
+ * Controller does not provide transfer-complete interrupt when not
+ * busy.
+ *
+ * NOTE: This definition is taken out of Linux kernel and so the
+ * original bit number is preserved
+ */
+#define SDHCI_QUIRK_NO_BUSY_IRQ BIT(14)
+
#define TYPE_PCI_SDHCI "sdhci-pci"
#define PCI_SDHCI(obj) OBJECT_CHECK(SDHCIState, (obj), TYPE_PCI_SDHCI)
@@ -100,4 +111,6 @@ typedef struct SDHCIState {
#define SYSBUS_SDHCI(obj) \
OBJECT_CHECK(SDHCIState, (obj), TYPE_SYSBUS_SDHCI)
+#define TYPE_IMX_USDHC "imx-usdhc"
+
#endif /* SDHCI_H */