/*
* linux/arch/arm/mach-exynos4/dev-dwmci.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Platform device for Synopsys DesignWare Mobile Storage IP
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/mmc/dw_mmc.h>
#include <plat/devs.h>
#include <mach/map.h>
static int exynos4_dwmci_get_bus_wd(u32 slot_id)
{
return 4;
}
static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
{
return 0;
}
static struct resource exynos4_dwmci_resource[] = {
[0] = {
.start = EXYNOS4_PA_DWMCI,
.end = EXYNOS4_PA_DWMCI + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DWMCI,
.end = IRQ_DWMCI,
.flags = IORESOURCE_IRQ,
}
};
static struct dw_mci_board exynos4_dwci_pdata = {
.num_slots = 1,
.quirks = DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
.bus_hz = 80 * 1000 * 1000,
.detect_delay_ms = 200,
.init = exynos4_dwmci_init,
.get_bus_wd = exynos4_dwmci_get_bus_wd,
};
static u64 exynos4_dwmci_dmamask = DMA_BIT_MASK(32);
struct platform_device exynos4_device_dwmci = {
.name = "dw_mmc",
.id = -1,
.num_resources = ARRAY_SIZE(exynos4_dwmci_resource),
.resource = exynos4_dwmci_resource,
.dev = {
.dma_mask = &exynos4_dwmci_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &exynos4_dwci_pdata,
},
};
void __init exynos4_dwmci_set_platdata(struct dw_mci_board *pd)
{
struct dw_mci_board *npd;
npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board),
&exynos4_device_dwmci);
if (!npd->init)
npd->init = exynos4_dwmci_init;
if (!npd->get_bus_wd)
npd->get_bus_wd = exynos4_dwmci_get_bus_wd;
}
