[people/ms/u-boot.git] / drivers / mmc / pci_mmc.c

/*
 * Copyright (C) 2015, Google, Inc
 * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <dm.h>
#include <errno.h>
#include <malloc.h>
#include <mapmem.h>
#include <sdhci.h>
#include <asm/pci.h>

struct pci_mmc_plat {
	struct mmc_config cfg;
	struct mmc mmc;
};

struct pci_mmc_priv {
	struct sdhci_host host;
	void *base;
};

static int pci_mmc_probe(struct udevice *dev)
{
	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
	struct pci_mmc_plat *plat = dev_get_platdata(dev);
	struct pci_mmc_priv *priv = dev_get_priv(dev);
	struct sdhci_host *host = &priv->host;
	u32 ioaddr;
	int ret;

	dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &ioaddr);
	host->ioaddr = map_sysmem(ioaddr, 0);
	host->name = dev->name;
	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
	if (ret)
		return ret;
	host->mmc = &plat->mmc;
	host->mmc->priv = &priv->host;
	host->mmc->dev = dev;
	upriv->mmc = host->mmc;

	return sdhci_probe(dev);
}

static int pci_mmc_bind(struct udevice *dev)
{
	struct pci_mmc_plat *plat = dev_get_platdata(dev);

	return sdhci_bind(dev, &plat->mmc, &plat->cfg);
}

U_BOOT_DRIVER(pci_mmc) = {
	.name	= "pci_mmc",
	.id	= UCLASS_MMC,
	.bind	= pci_mmc_bind,
	.probe	= pci_mmc_probe,
	.ops	= &sdhci_ops,
	.priv_auto_alloc_size = sizeof(struct pci_mmc_priv),
	.platdata_auto_alloc_size = sizeof(struct pci_mmc_plat),
};

static struct pci_device_id mmc_supported[] = {
	{ PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) },
	{},
};

U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported);
Commit	Line	Data
91785f70 SG	1	/*
	2	* Copyright (C) 2015, Google, Inc
	3	* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
	4	*
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#include <common.h>
b7c6baef	9	#include <dm.h>
91785f70 SG	10	#include <errno.h>
91785f70 SG	11	#include <malloc.h>
b7c6baef	12	#include <mapmem.h>
91785f70 SG	13	#include <sdhci.h>
	14	#include <asm/pci.h>
	15
b7c6baef SG	16	struct pci_mmc_plat {
	17	struct mmc_config cfg;
	18	struct mmc mmc;
	19	};
	20
	21	struct pci_mmc_priv {
	22	struct sdhci_host host;
	23	void *base;
	24	};
	25
	26	static int pci_mmc_probe(struct udevice *dev)
91785f70	27	{
b7c6baef SG	28	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
	29	struct pci_mmc_plat *plat = dev_get_platdata(dev);
	30	struct pci_mmc_priv *priv = dev_get_priv(dev);
	31	struct sdhci_host *host = &priv->host;
	32	u32 ioaddr;
91785f70	33	int ret;
b7c6baef SG	34
	35	dm_pci_read_config32(dev, PCI_BASE_ADDRESS_0, &ioaddr);
	36	host->ioaddr = map_sysmem(ioaddr, 0);
	37	host->name = dev->name;
	38	ret = sdhci_setup_cfg(&plat->cfg, host, 0, 0);
	39	if (ret)
	40	return ret;
	41	host->mmc = &plat->mmc;
	42	host->mmc->priv = &priv->host;
	43	host->mmc->dev = dev;
	44	upriv->mmc = host->mmc;
	45
	46	return sdhci_probe(dev);
91785f70	47	}
b7c6baef SG	48
	49	static int pci_mmc_bind(struct udevice *dev)
	50	{
	51	struct pci_mmc_plat *plat = dev_get_platdata(dev);
	52
	53	return sdhci_bind(dev, &plat->mmc, &plat->cfg);
	54	}
	55
	56	U_BOOT_DRIVER(pci_mmc) = {
	57	.name = "pci_mmc",
	58	.id = UCLASS_MMC,
	59	.bind = pci_mmc_bind,
	60	.probe = pci_mmc_probe,
	61	.ops = &sdhci_ops,
	62	.priv_auto_alloc_size = sizeof(struct pci_mmc_priv),
	63	.platdata_auto_alloc_size = sizeof(struct pci_mmc_plat),
	64	};
	65
	66	static struct pci_device_id mmc_supported[] = {
a191ccaf	67	{ PCI_DEVICE_CLASS(PCI_CLASS_SYSTEM_SDHCI << 8, 0xffff00) },
b7c6baef SG	68	{},
	69	};
	70
	71	U_BOOT_PCI_DEVICE(pci_mmc, mmc_supported);