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bcm2835_sdhost: add bcm2835 sdhost controller

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This adds the BCM2835 SDHost controller from Arasan.

Signed-off-by: Clement Deschamps <clement.deschamps@antfield.fr>
Message-id: 20170224164021.9066-2-clement.deschamps@antfield.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Clement Deschamps 2017-02-28 12:08:19 +00:00 • committed by Peter Maydell
parent 5db53e353d
commit 43ddc182e2
3 changed files with 478 additions and 0 deletions
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48
include/hw/sd/bcm2835_sdhost.h Normal file
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/*
* Raspberry Pi (BCM2835) SD Host Controller
*
* Copyright (c) 2017 Antfield SAS
*
* Authors:
* Clement Deschamps <clement.deschamps@antfield.fr>
* Luc Michel <luc.michel@antfield.fr>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef BCM2835_SDHOST_H
#define BCM2835_SDHOST_H
#include "hw/sysbus.h"
#include "hw/sd/sd.h"
#define TYPE_BCM2835_SDHOST "bcm2835-sdhost"
#define BCM2835_SDHOST(obj) \
OBJECT_CHECK(BCM2835SDHostState, (obj), TYPE_BCM2835_SDHOST)
#define BCM2835_SDHOST_FIFO_LEN 16
typedef struct {
SysBusDevice busdev;
SDBus sdbus;
MemoryRegion iomem;
uint32_t cmd;
uint32_t cmdarg;
uint32_t status;
uint32_t rsp[4];
uint32_t config;
uint32_t edm;
uint32_t vdd;
uint32_t hbct;
uint32_t hblc;
int32_t fifo_pos;
int32_t fifo_len;
uint32_t fifo[BCM2835_SDHOST_FIFO_LEN];
uint32_t datacnt;
qemu_irq irq;
} BCM2835SDHostState;
#endif