diff options
Diffstat (limited to 'include/hw/sd/npcm7xx_sdhci.h')
-rw-r--r-- | include/hw/sd/npcm7xx_sdhci.h | 65 |
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 --- /dev/null +++ b/include/hw/sd/npcm7xx_sdhci.h @@ -0,0 +1,65 @@ +/* + * 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 */ |