1/* 2 * NPCM7xx SD-3.0 / eMMC-4.51 Host Controller 3 * 4 * Copyright (c) 2021 Google LLC 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * for more details. 15 */ 16 17#ifndef NPCM7XX_SDHCI_H 18#define NPCM7XX_SDHCI_H 19 20#include "hw/sd/sdhci.h" 21#include "qom/object.h" 22 23#define TYPE_NPCM7XX_SDHCI "npcm7xx.sdhci" 24#define NPCM7XX_PRSTVALS_SIZE 6 25#define NPCM7XX_PRSTVALS 0x60 26#define NPCM7XX_PRSTVALS_0 0x0 27#define NPCM7XX_PRSTVALS_1 0x2 28#define NPCM7XX_PRSTVALS_2 0x4 29#define NPCM7XX_PRSTVALS_3 0x6 30#define NPCM7XX_PRSTVALS_4 0x8 31#define NPCM7XX_PRSTVALS_5 0xA 32#define NPCM7XX_BOOTTOCTRL 0x10 33#define NPCM7XX_SDHCI_REGSIZE 0x20 34 35#define NPCM7XX_PRSNTS_RESET 0x04A00000 36#define NPCM7XX_BLKGAP_RESET 0x80 37#define NPCM7XX_CAPAB_RESET 0x0100200161EE0399 38#define NPCM7XX_MAXCURR_RESET 0x0000000000000005 39#define NPCM7XX_HCVER_RESET 0x1002 40 41#define NPCM7XX_PRSTVALS_0_RESET 0x0040 42#define NPCM7XX_PRSTVALS_1_RESET 0x0001 43#define NPCM7XX_PRSTVALS_3_RESET 0x0001 44 45OBJECT_DECLARE_SIMPLE_TYPE(NPCM7xxSDHCIState, NPCM7XX_SDHCI) 46 47typedef struct NPCM7xxRegs { 48 /* Preset Values Register Field, read-only */ 49 uint16_t prstvals[NPCM7XX_PRSTVALS_SIZE]; 50 /* Boot Timeout Control Register, read-write */ 51 uint32_t boottoctrl; 52} NPCM7xxRegisters; 53 54typedef struct NPCM7xxSDHCIState { 55 SysBusDevice parent; 56 57 MemoryRegion container; 58 MemoryRegion iomem; 59 BusState *bus; 60 NPCM7xxRegisters regs; 61 62 SDHCIState sdhci; 63} NPCM7xxSDHCIState; 64 65#endif /* NPCM7XX_SDHCI_H */ 66