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Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -04001/*
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
Tony Lindgrend8874662008-12-10 17:37:16 -080015#include <linux/platform_device.h>
16
Russell Kinga09e64f2008-08-05 16:14:15 +010017#include <mach/hardware.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070018#include <plat/mmc.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010019#include <mach/gpio.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070020#include <plat/board-sx1.h>
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040021
Tony Lindgrend8874662008-12-10 17:37:16 -080022#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040023
Tony Lindgrend8874662008-12-10 17:37:16 -080024static int mmc_set_power(struct device *dev, int slot, int power_on,
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040025 int vdd)
26{
27 int err;
28 u8 dat = 0;
29
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040030 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
Tony Lindgrend8874662008-12-10 17:37:16 -080042/* Cover switch is at OMAP_MPUIO(3) */
43static struct omap_mmc_platform_data mmc1_data = {
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040044 .nr_slots = 1,
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040045 .slots[0] = {
Tony Lindgrend8874662008-12-10 17:37:16 -080046 .set_power = mmc_set_power,
Tony Lindgren2a124002010-10-12 16:07:51 -070047 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040048 .name = "mmcblk",
49 },
50};
51
Tony Lindgrend8874662008-12-10 17:37:16 -080052static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC];
53
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040054void __init sx1_mmc_init(void)
55{
Tony Lindgrend8874662008-12-10 17:37:16 -080056 mmc_data[0] = &mmc1_data;
57 omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040058}
59
60#else
61
62void __init sx1_mmc_init(void)
63{
64}
65
Carlos Eduardo Aguiar087c5032007-11-30 01:52:53 -040066#endif