Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / 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 <mach/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 <mach/mmc.h>
29 #include <mach/imx-uart.h>
30 #include <linux/interrupt.h>
31 #include "generic.h"
32
33 static struct resource cs89x0_resources[] = {
34         [0] = {
35                 .start  = IMX_CS4_PHYS + 0x300,
36                 .end    = IMX_CS4_PHYS + 0x300 + 16,
37                 .flags  = IORESOURCE_MEM,
38         },
39         [1] = {
40                 .start  = IRQ_GPIOC(17),
41                 .end    = IRQ_GPIOC(17),
42                 .flags  = IORESOURCE_IRQ,
43         },
44 };
45
46 static struct platform_device cs89x0_device = {
47         .name           = "cirrus-cs89x0",
48         .num_resources  = ARRAY_SIZE(cs89x0_resources),
49         .resource       = cs89x0_resources,
50 };
51
52 static struct imxuart_platform_data uart_pdata = {
53         .flags = IMXUART_HAVE_RTSCTS,
54 };
55
56 static struct resource imx_uart1_resources[] = {
57         [0] = {
58                 .start  = 0x00206000,
59                 .end    = 0x002060FF,
60                 .flags  = IORESOURCE_MEM,
61         },
62         [1] = {
63                 .start  = (UART1_MINT_RX),
64                 .end    = (UART1_MINT_RX),
65                 .flags  = IORESOURCE_IRQ,
66         },
67         [2] = {
68                 .start  = (UART1_MINT_TX),
69                 .end    = (UART1_MINT_TX),
70                 .flags  = IORESOURCE_IRQ,
71         },
72         [3] = {
73                 .start  = UART1_MINT_RTS,
74                 .end    = UART1_MINT_RTS,
75                 .flags  = IORESOURCE_IRQ,
76         },
77 };
78
79 static struct platform_device imx_uart1_device = {
80         .name           = "imx-uart",
81         .id             = 0,
82         .num_resources  = ARRAY_SIZE(imx_uart1_resources),
83         .resource       = imx_uart1_resources,
84         .dev = {
85                 .platform_data = &uart_pdata,
86         }
87 };
88
89 static struct resource imx_uart2_resources[] = {
90         [0] = {
91                 .start  = 0x00207000,
92                 .end    = 0x002070FF,
93                 .flags  = IORESOURCE_MEM,
94         },
95         [1] = {
96                 .start  = (UART2_MINT_RX),
97                 .end    = (UART2_MINT_RX),
98                 .flags  = IORESOURCE_IRQ,
99         },
100         [2] = {
101                 .start  = (UART2_MINT_TX),
102                 .end    = (UART2_MINT_TX),
103                 .flags  = IORESOURCE_IRQ,
104         },
105         [3] = {
106                 .start  = UART2_MINT_RTS,
107                 .end    = UART2_MINT_RTS,
108                 .flags  = IORESOURCE_IRQ,
109         },
110 };
111
112 static struct platform_device imx_uart2_device = {
113         .name           = "imx-uart",
114         .id             = 1,
115         .num_resources  = ARRAY_SIZE(imx_uart2_resources),
116         .resource       = imx_uart2_resources,
117         .dev = {
118                 .platform_data = &uart_pdata,
119         }
120 };
121
122 static struct platform_device *devices[] __initdata = {
123         &cs89x0_device,
124         &imx_uart1_device,
125         &imx_uart2_device,
126 };
127
128 #if defined(CONFIG_MMC_IMX) || defined(CONFIG_MMC_IMX_MODULE)
129 static int mx1ads_mmc_card_present(struct device *dev)
130 {
131         /* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
132         return (SSR(1) & (1 << 20) ? 0 : 1);
133 }
134
135 static struct imxmmc_platform_data mx1ads_mmc_info = {
136        .card_present = mx1ads_mmc_card_present,
137 };
138 #endif
139
140 static void __init
141 mx1ads_init(void)
142 {
143 #ifdef CONFIG_LEDS
144         imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
145 #endif
146 #if defined(CONFIG_MMC_IMX) || defined(CONFIG_MMC_IMX_MODULE)
147         /* SD/MMC card detect */
148         imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
149         imx_set_mmc_info(&mx1ads_mmc_info);
150 #endif
151
152         imx_gpio_mode(PC9_PF_UART1_CTS);
153         imx_gpio_mode(PC10_PF_UART1_RTS);
154         imx_gpio_mode(PC11_PF_UART1_TXD);
155         imx_gpio_mode(PC12_PF_UART1_RXD);
156
157         imx_gpio_mode(PB28_PF_UART2_CTS);
158         imx_gpio_mode(PB29_PF_UART2_RTS);
159         imx_gpio_mode(PB30_PF_UART2_TXD);
160         imx_gpio_mode(PB31_PF_UART2_RXD);
161
162         platform_add_devices(devices, ARRAY_SIZE(devices));
163 }
164
165 static void __init
166 mx1ads_map_io(void)
167 {
168         imx_map_io();
169 }
170
171 MACHINE_START(MX1ADS, "Motorola MX1ADS")
172         /* Maintainer: Sascha Hauer, Pengutronix */
173         .phys_io        = 0x00200000,
174         .io_pg_offst    = ((0xe0000000) >> 18) & 0xfffc,
175         .boot_params    = 0x08000100,
176         .map_io         = mx1ads_map_io,
177         .init_irq       = imx_init_irq,
178         .timer          = &imx_timer,
179         .init_machine   = mx1ads_init,
180 MACHINE_END