include/hw/sd/bcm2835_sdhost.h

   1 /*
   2  * Raspberry Pi (BCM2835) SD Host Controller
   3  *
   4  * Copyright (c) 2017 Antfield SAS
   5  *
   6  * Authors:
   7  *  Clement Deschamps <clement.deschamps@antfield.fr>
   8  *  Luc Michel <luc.michel@antfield.fr>
   9  *
  10  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  11  * See the COPYING file in the top-level directory.
  12  */
  13
  14 #ifndef BCM2835_SDHOST_H
  15 #define BCM2835_SDHOST_H
  16
  17 #include "hw/sysbus.h"
  18 #include "hw/sd/sd.h"
  19
  20 #define TYPE_BCM2835_SDHOST "bcm2835-sdhost"
  21 #define BCM2835_SDHOST(obj) \
  22         OBJECT_CHECK(BCM2835SDHostState, (obj), TYPE_BCM2835_SDHOST)
  23
  24 #define BCM2835_SDHOST_FIFO_LEN 16
  25
  26 typedef struct {
  27     SysBusDevice busdev;
  28     SDBus sdbus;
  29     MemoryRegion iomem;
  30
  31     uint32_t cmd;
  32     uint32_t cmdarg;
  33     uint32_t status;
  34     uint32_t rsp[4];
  35     uint32_t config;
  36     uint32_t edm;
  37     uint32_t vdd;
  38     uint32_t hbct;
  39     uint32_t hblc;
  40     int32_t fifo_pos;
  41     int32_t fifo_len;
  42     uint32_t fifo[BCM2835_SDHOST_FIFO_LEN];
  43     uint32_t datacnt;
  44
  45     qemu_irq irq;
  46 } BCM2835SDHostState;
  47
  48 #endif