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