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087c5030 CEA |
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 | ||
2f8163ba | 15 | #include <linux/gpio.h> |
d8874665 TL |
16 | #include <linux/platform_device.h> |
17 | ||
a09e64fb | 18 | #include <mach/hardware.h> |
c392b21d | 19 | #include <mach/board-sx1.h> |
087c5030 | 20 | |
68f39e74 TL |
21 | #include "mmc.h" |
22 | ||
d8874665 | 23 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
087c5030 | 24 | |
d8874665 | 25 | static int mmc_set_power(struct device *dev, int slot, int power_on, |
087c5030 CEA |
26 | int vdd) |
27 | { | |
28 | int err; | |
29 | u8 dat = 0; | |
30 | ||
087c5030 CEA |
31 | err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); |
32 | if (err < 0) | |
33 | return err; | |
34 | ||
35 | if (power_on) | |
36 | dat |= SOFIA_MMC_POWER; | |
37 | else | |
38 | dat &= ~SOFIA_MMC_POWER; | |
39 | ||
40 | return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); | |
41 | } | |
42 | ||
d8874665 TL |
43 | /* Cover switch is at OMAP_MPUIO(3) */ |
44 | static struct omap_mmc_platform_data mmc1_data = { | |
087c5030 | 45 | .nr_slots = 1, |
087c5030 | 46 | .slots[0] = { |
d8874665 | 47 | .set_power = mmc_set_power, |
2a12400e | 48 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
087c5030 CEA |
49 | .name = "mmcblk", |
50 | }, | |
51 | }; | |
52 | ||
d8874665 TL |
53 | static struct omap_mmc_platform_data *mmc_data[OMAP15XX_NR_MMC]; |
54 | ||
087c5030 CEA |
55 | void __init sx1_mmc_init(void) |
56 | { | |
d8874665 TL |
57 | mmc_data[0] = &mmc1_data; |
58 | omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC); | |
087c5030 CEA |
59 | } |
60 | ||
61 | #else | |
62 | ||
63 | void __init sx1_mmc_init(void) | |
64 | { | |
65 | } | |
66 | ||
087c5030 | 67 | #endif |