Merge branch 'core/iommu' into core/urgent
[linux-2.6] / arch / arm / mach-mx1 / 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/kernel.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/mtd/physmap.h>
19
20 #include <asm/mach-types.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach/time.h>
23
24 #include <mach/hardware.h>
25 #include <mach/common.h>
26 #include <mach/imx-uart.h>
27 #include <mach/iomux-mx1-mx2.h>
28 #include "devices.h"
29
30 /*
31  * UARTs platform data
32  */
33 static int mxc_uart1_pins[] = {
34         PC9_PF_UART1_CTS,
35         PC10_PF_UART1_RTS,
36         PC11_PF_UART1_TXD,
37         PC12_PF_UART1_RXD,
38 };
39
40 static int uart1_mxc_init(struct platform_device *pdev)
41 {
42         return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
43                         ARRAY_SIZE(mxc_uart1_pins), "UART1");
44 }
45
46 static int uart1_mxc_exit(struct platform_device *pdev)
47 {
48         mxc_gpio_release_multiple_pins(mxc_uart1_pins,
49                         ARRAY_SIZE(mxc_uart1_pins));
50         return 0;
51 }
52
53 static int mxc_uart2_pins[] = {
54         PB28_PF_UART2_CTS,
55         PB29_PF_UART2_RTS,
56         PB30_PF_UART2_TXD,
57         PB31_PF_UART2_RXD,
58 };
59
60 static int uart2_mxc_init(struct platform_device *pdev)
61 {
62         return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
63                         ARRAY_SIZE(mxc_uart2_pins), "UART2");
64 }
65
66 static int uart2_mxc_exit(struct platform_device *pdev)
67 {
68         mxc_gpio_release_multiple_pins(mxc_uart2_pins,
69                         ARRAY_SIZE(mxc_uart2_pins));
70         return 0;
71 }
72
73 static struct imxuart_platform_data uart_pdata[] = {
74         {
75                 .init = uart1_mxc_init,
76                 .exit = uart1_mxc_exit,
77                 .flags = IMXUART_HAVE_RTSCTS,
78         }, {
79                 .init = uart2_mxc_init,
80                 .exit = uart2_mxc_exit,
81                 .flags = IMXUART_HAVE_RTSCTS,
82         },
83 };
84
85 /*
86  * Physmap flash
87  */
88
89 static struct physmap_flash_data mx1ads_flash_data = {
90         .width          = 4,            /* bankwidth in bytes */
91 };
92
93 static struct resource flash_resource = {
94         .start  = IMX_CS0_PHYS,
95         .end    = IMX_CS0_PHYS + SZ_32M - 1,
96         .flags  = IORESOURCE_MEM,
97 };
98
99 static struct platform_device flash_device = {
100         .name   = "physmap-flash",
101         .id     = 0,
102         .resource = &flash_resource,
103         .num_resources = 1,
104 };
105
106 /*
107  * Board init
108  */
109 static void __init mx1ads_init(void)
110 {
111         /* UART */
112         mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
113         mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
114
115         /* Physmap flash */
116         mxc_register_device(&flash_device, &mx1ads_flash_data);
117 }
118
119 static void __init mx1ads_timer_init(void)
120 {
121         mxc_clocks_init(32000);
122         mxc_timer_init("gpt_clk");
123 }
124
125 struct sys_timer mx1ads_timer = {
126         .init   = mx1ads_timer_init,
127 };
128
129 MACHINE_START(MX1ADS, "Freescale MX1ADS")
130         /* Maintainer: Sascha Hauer, Pengutronix */
131         .phys_io        = IMX_IO_PHYS,
132         .io_pg_offst    = (IMX_IO_BASE >> 18) & 0xfffc,
133         .boot_params    = PHYS_OFFSET + 0x100,
134         .map_io         = mxc_map_io,
135         .init_irq       = mxc_init_irq,
136         .timer          = &mx1ads_timer,
137         .init_machine   = mx1ads_init,
138 MACHINE_END
139
140 MACHINE_START(MXLADS, "Freescale MXLADS")
141         .phys_io        = IMX_IO_PHYS,
142         .io_pg_offst    = (IMX_IO_BASE >> 18) & 0xfffc,
143         .boot_params    = PHYS_OFFSET + 0x100,
144         .map_io         = mxc_map_io,
145         .init_irq       = mxc_init_irq,
146         .timer          = &mx1ads_timer,
147         .init_machine   = mx1ads_init,
148 MACHINE_END