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
26typedef 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
49