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-rw-r--r--include/hw/sd/npcm7xx_sdhci.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/include/hw/sd/npcm7xx_sdhci.h b/include/hw/sd/npcm7xx_sdhci.h
new file mode 100644
index 000000000..d728f0a40
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+++ b/include/hw/sd/npcm7xx_sdhci.h
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+/*
+ * NPCM7xx SD-3.0 / eMMC-4.51 Host Controller
+ *
+ * Copyright (c) 2021 Google LLC
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef NPCM7XX_SDHCI_H
+#define NPCM7XX_SDHCI_H
+
+#include "hw/sd/sdhci.h"
+#include "qom/object.h"
+
+#define TYPE_NPCM7XX_SDHCI "npcm7xx.sdhci"
+#define NPCM7XX_PRSTVALS_SIZE 6
+#define NPCM7XX_PRSTVALS 0x60
+#define NPCM7XX_PRSTVALS_0 0x0
+#define NPCM7XX_PRSTVALS_1 0x2
+#define NPCM7XX_PRSTVALS_2 0x4
+#define NPCM7XX_PRSTVALS_3 0x6
+#define NPCM7XX_PRSTVALS_4 0x8
+#define NPCM7XX_PRSTVALS_5 0xA
+#define NPCM7XX_BOOTTOCTRL 0x10
+#define NPCM7XX_SDHCI_REGSIZE 0x20
+
+#define NPCM7XX_PRSNTS_RESET 0x04A00000
+#define NPCM7XX_BLKGAP_RESET 0x80
+#define NPCM7XX_CAPAB_RESET 0x0100200161EE0399
+#define NPCM7XX_MAXCURR_RESET 0x0000000000000005
+#define NPCM7XX_HCVER_RESET 0x1002
+
+#define NPCM7XX_PRSTVALS_0_RESET 0x0040
+#define NPCM7XX_PRSTVALS_1_RESET 0x0001
+#define NPCM7XX_PRSTVALS_3_RESET 0x0001
+
+OBJECT_DECLARE_SIMPLE_TYPE(NPCM7xxSDHCIState, NPCM7XX_SDHCI)
+
+typedef struct NPCM7xxRegs {
+ /* Preset Values Register Field, read-only */
+ uint16_t prstvals[NPCM7XX_PRSTVALS_SIZE];
+ /* Boot Timeout Control Register, read-write */
+ uint32_t boottoctrl;
+} NPCM7xxRegisters;
+
+typedef struct NPCM7xxSDHCIState {
+ SysBusDevice parent;
+
+ MemoryRegion container;
+ MemoryRegion iomem;
+ BusState *bus;
+ NPCM7xxRegisters regs;
+
+ SDHCIState sdhci;
+} NPCM7xxSDHCIState;
+
+#endif /* NPCM7XX_SDHCI_H */