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 <asm/arch/imx-uart.h>
30#include <linux/interrupt.h>
31#include "generic.h"
32
33static 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
46static struct platform_device cs89x0_device = {
47	.name		= "cirrus-cs89x0",
48	.num_resources	= ARRAY_SIZE(cs89x0_resources),
49	.resource	= cs89x0_resources,
50};
51
52static struct imxuart_platform_data uart_pdata = {
53	.flags = IMXUART_HAVE_RTSCTS,
54};
55
56static 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};
73
74static struct platform_device imx_uart1_device = {
75	.name		= "imx-uart",
76	.id		= 0,
77	.num_resources	= ARRAY_SIZE(imx_uart1_resources),
78	.resource	= imx_uart1_resources,
79	.dev = {
80		.platform_data = &uart_pdata,
81	}
82};
83
84static struct resource imx_uart2_resources[] = {
85	[0] = {
86		.start	= 0x00207000,
87		.end	= 0x002070FF,
88		.flags	= IORESOURCE_MEM,
89	},
90	[1] = {
91		.start	= (UART2_MINT_RX),
92		.end	= (UART2_MINT_RX),
93		.flags	= IORESOURCE_IRQ,
94	},
95	[2] = {
96		.start	= (UART2_MINT_TX),
97		.end	= (UART2_MINT_TX),
98		.flags	= IORESOURCE_IRQ,
99	},
100};
101
102static struct platform_device imx_uart2_device = {
103	.name		= "imx-uart",
104	.id		= 1,
105	.num_resources	= ARRAY_SIZE(imx_uart2_resources),
106	.resource	= imx_uart2_resources,
107	.dev = {
108		.platform_data = &uart_pdata,
109	}
110};
111
112static struct platform_device *devices[] __initdata = {
113	&cs89x0_device,
114	&imx_uart1_device,
115	&imx_uart2_device,
116};
117
118#ifdef CONFIG_MMC_IMX
119static int mx1ads_mmc_card_present(void)
120{
121	/* MMC/SD Card Detect is PB 20 on MX1ADS V1.0.7 */
122	return (SSR(1) & (1 << 20) ? 0 : 1);
123}
124
125static struct imxmmc_platform_data mx1ads_mmc_info = {
126       .card_present = mx1ads_mmc_card_present,
127};
128#endif
129
130static void __init
131mx1ads_init(void)
132{
133#ifdef CONFIG_LEDS
134	imx_gpio_mode(GPIO_PORTA | GPIO_OUT | 2);
135#endif
136#ifdef CONFIG_MMC_IMX
137	/* SD/MMC card detect */
138	imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
139	imx_set_mmc_info(&mx1ads_mmc_info);
140#endif
141
142	imx_gpio_mode(PC9_PF_UART1_CTS);
143	imx_gpio_mode(PC10_PF_UART1_RTS);
144	imx_gpio_mode(PC11_PF_UART1_TXD);
145	imx_gpio_mode(PC12_PF_UART1_RXD);
146
147	imx_gpio_mode(PB28_PF_UART2_CTS);
148	imx_gpio_mode(PB29_PF_UART2_RTS);
149	imx_gpio_mode(PB30_PF_UART2_TXD);
150	imx_gpio_mode(PB31_PF_UART2_RXD);
151
152	platform_add_devices(devices, ARRAY_SIZE(devices));
153}
154
155static void __init
156mx1ads_map_io(void)
157{
158	imx_map_io();
159}
160
161MACHINE_START(MX1ADS, "Motorola MX1ADS")
162	/* Maintainer: Sascha Hauer, Pengutronix */
163	.phys_io	= 0x00200000,
164	.io_pg_offst	= ((0xe0000000) >> 18) & 0xfffc,
165	.boot_params	= 0x08000100,
166	.map_io		= mx1ads_map_io,
167	.init_irq	= imx_init_irq,
168	.timer		= &imx_timer,
169	.init_machine	= mx1ads_init,
170MACHINE_END
171