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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/arch/arm/mach-omap1/
1/*
2 * linux/arch/arm/mach-omap1/board-h3-mmc.c
3 *
4 * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
5 * Author: Felipe Balbi <felipe.lima@indt.org.br>
6 *
7 * This code is based on linux/arch/arm/mach-omap2/board-n800-mmc.c, which is:
8 * Copyright (C) 2006 Nokia Corporation
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15#include <linux/platform_device.h>
16
17#include <linux/i2c/tps65010.h>
18
19#include <plat/mmc.h>
20#include <mach/gpio.h>
21
22#include "board-h3.h"
23
24#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
25
26static int mmc_set_power(struct device *dev, int slot, int power_on,
27				int vdd)
28{
29	gpio_set_value(H3_TPS_GPIO_MMC_PWR_EN, power_on);
30	return 0;
31}
32
33/*
34 * H3 could use the following functions tested:
35 * - mmc_get_cover_state that uses OMAP_MPUIO(1)
36 * - mmc_get_wp that maybe uses OMAP_MPUIO(3)
37 */
38static struct omap_mmc_platform_data mmc1_data = {
39	.nr_slots                       = 1,
40	.dma_mask			= 0xffffffff,
41	.slots[0]       = {
42		.set_power              = mmc_set_power,
43		.ocr_mask               = MMC_VDD_28_29 | MMC_VDD_30_31 |
44					  MMC_VDD_32_33 | MMC_VDD_33_34,
45		.name                   = "mmcblk",
46	},
47};
48
49static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
50
51void __init h3_mmc_init(void)
52{
53	int ret;
54
55	ret = gpio_request(H3_TPS_GPIO_MMC_PWR_EN, "MMC power");
56	if (ret < 0)
57		return;
58	gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
59
60	mmc_data[0] = &mmc1_data;
61	omap1_init_mmc(mmc_data, OMAP16XX_NR_MMC);
62}
63
64#else
65
66void __init h3_mmc_init(void)
67{
68}
69
70#endif
71