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[ARM] 3446/1: i.MX: MMC/SD SDHC controller registration for i.MX/MX1 MX1ADS board
[linux-2.6-omap-h63xx.git] / arch / arm / mach-imx / mx1ads.c
1 /*
2  * arch/arm/mach-imx/mx1ads.c
3  *
4  * Initially based on:
5  *      linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
6  *      Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
7  *
8  * 2004 (c) MontaVista Software, Inc.
9  *
10  * This file is licensed under the terms of the GNU General Public
11  * License version 2. This program is licensed "as is" without any
12  * warranty of any kind, whether express or implied.
13  */
14
15 #include <linux/device.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <asm/system.h>
19 #include <asm/hardware.h>
20 #include <asm/irq.h>
21 #include <asm/pgtable.h>
22 #include <asm/page.h>
23
24 #include <asm/mach/map.h>
25 #include <asm/mach-types.h>
26
27 #include <asm/mach/arch.h>
28 #include <asm/arch/mmc.h>
29 #include <linux/interrupt.h>
30 #include "generic.h"
31
32 static struct resource cs89x0_resources[] = {
33         [0] = {
34                 .start  = IMX_CS4_PHYS + 0x300,
35                 .end    = IMX_CS4_PHYS + 0x300 + 16,
36                 .flags  = IORESOURCE_MEM,
37         },
38         [1] = {
39                 .start  = IRQ_GPIOC(17),
40                 .end    = IRQ_GPIOC(17),
41                 .flags  = IORESOURCE_IRQ,
42         },
43 };
44
45 static struct platform_device cs89x0_device = {
46         .name           = "cirrus-cs89x0",
47         .num_resources  = ARRAY_SIZE(cs89x0_resources),
48         .resource       = cs89x0_resources,
49 };
50
51 static struct platform_device *devices[] __initdata = {
52         &cs89x0_device,
53 };
54
55 #ifdef CONFIG_MMC_IMX
56 static int mx1ads_mmc_card_present(void)
57 {
58         /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
59         return (SSR(1) & (1 << 20) ? 0 : 1);
60 }
61
62 static struct imxmmc_platform_data mx1ads_mmc_info = {
63        .card_present = mx1ads_mmc_card_present,
64 };
65 #endif
66
67 static void __init
68 mx1ads_init(void)
69 {
70 #ifdef CONFIG_LEDS
71         imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
72 #endif
73 #ifdef CONFIG_MMC_IMX
74         /* SD/MMC card detect */
75         imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
76         imx_set_mmc_info(&mx1ads_mmc_info);
77 #endif
78         platform_add_devices(devices, ARRAY_SIZE(devices));
79 }
80
81 static void __init
82 mx1ads_map_io(void)
83 {
84         imx_map_io();
85 }
86
87 MACHINE_START(MX1ADS, "Motorola MX1ADS")
88         /* Maintainer: Sascha Hauer, Pengutronix */
89         .phys_io        = 0x00200000,
90         .io_pg_offst    = ((0xe0200000) >> 18) & 0xfffc,
91         .boot_params    = 0x08000100,
92         .map_io         = mx1ads_map_io,
93         .init_irq       = imx_init_irq,
94         .timer          = &imx_timer,
95         .init_machine   = mx1ads_init,
96 MACHINE_END