1 /*
2  * linux/arch/arm/mach-omap1/board-sx1-mmc.c
3  *
4  * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
5  * Author: Carlos Eduardo Aguiar <carlos.aguiar@indt.org.br>
6  *
7  * This code is based on linux/arch/arm/mach-omap1/board-h2-mmc.c, which is:
8  * Copyright (C) 2007 Instituto Nokia de Tecnologia - INdT
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/gpio.h>
16 #include <linux/platform_device.h>
17 
18 #include <mach/hardware.h>
19 #include <plat/mmc.h>
20 #include <plat/board-sx1.h>
21 
22 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
23 
24 static int mmc_set_power(struct device *dev, int slot, int power_on,
25 				int vdd)
26 {
27 	int err;
28 	u8 dat = 0;
29 
30 	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
31 	if (err < 0)
32 		return err;
33 
34 	if (power_on)
35 		dat |= SOFIA_MMC_POWER;
36 	else
37 		dat &= ~SOFIA_MMC_POWER;
38 
39 	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
40 }
41 
42 /* Cover switch is at OMAP_MPUIO(3) */
43 static struct omap_mmc_platform_data mmc1_data = {
44 	.nr_slots                       = 1,
45 	.slots[0]       = {
46 		.set_power              = mmc_set_power,
47 		.ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
48 		.name                   = "mmcblk",
49 	},
50 };
51 
52 static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
53 
54 void __init sx1_mmc_init(void)
55 {
56 	mmc_data[0] = &mmc1_data;
57 	omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
58 }
59 
60 #else
61 
62 void __init sx1_mmc_init(void)
63 {
64 }
65 
66 #endif
67