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@@ -1577,6 +1577,25 @@ static const TypeInfo sdhci_bus_info = {
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/* --- qdev i.MX eSDHC --- */
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+#define ESDHC_MIX_CTRL 0x48
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+
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+#define ESDHC_VENDOR_SPEC 0xc0
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+#define ESDHC_IMX_FRC_SDCLK_ON (1 << 8)
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+
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+#define ESDHC_DLL_CTRL 0x60
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+
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+#define ESDHC_TUNING_CTRL 0xcc
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+#define ESDHC_TUNE_CTRL_STATUS 0x68
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+#define ESDHC_WTMK_LVL 0x44
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+
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+/* Undocumented register used by guests working around erratum ERR004536 */
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+#define ESDHC_UNDOCUMENTED_REG27 0x6c
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+
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+#define ESDHC_CTRL_4BITBUS (0x1 << 1)
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+#define ESDHC_CTRL_8BITBUS (0x2 << 1)
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+
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+#define ESDHC_PRNSTS_SDSTB (1 << 3)
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+
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static uint64_t usdhc_read(void *opaque, hwaddr offset, unsigned size)
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{
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SDHCIState *s = SYSBUS_SDHCI(opaque);
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