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/irqs.h>
25 #include <mach/hardware.h>
26 #include <mach/common.h>
27 #include <mach/imx-uart.h>
28 #include <mach/iomux-mx1-mx2.h>
29 #include "devices.h"
30
31 /*
32 * UARTs platform data
33 */
34 static int mxc_uart1_pins[] = {
35 PC9_PF_UART1_CTS,
36 PC10_PF_UART1_RTS,
37 PC11_PF_UART1_TXD,
38 PC12_PF_UART1_RXD,
39 };
40
uart1_mxc_init(struct platform_device * pdev)41 static int uart1_mxc_init(struct platform_device *pdev)
42 {
43 return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
44 ARRAY_SIZE(mxc_uart1_pins), "UART1");
45 }
46
uart1_mxc_exit(struct platform_device * pdev)47 static int uart1_mxc_exit(struct platform_device *pdev)
48 {
49 mxc_gpio_release_multiple_pins(mxc_uart1_pins,
50 ARRAY_SIZE(mxc_uart1_pins));
51 return 0;
52 }
53
54 static int mxc_uart2_pins[] = {
55 PB28_PF_UART2_CTS,
56 PB29_PF_UART2_RTS,
57 PB30_PF_UART2_TXD,
58 PB31_PF_UART2_RXD,
59 };
60
uart2_mxc_init(struct platform_device * pdev)61 static int uart2_mxc_init(struct platform_device *pdev)
62 {
63 return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
64 ARRAY_SIZE(mxc_uart2_pins), "UART2");
65 }
66
uart2_mxc_exit(struct platform_device * pdev)67 static int uart2_mxc_exit(struct platform_device *pdev)
68 {
69 mxc_gpio_release_multiple_pins(mxc_uart2_pins,
70 ARRAY_SIZE(mxc_uart2_pins));
71 return 0;
72 }
73
74 static struct imxuart_platform_data uart_pdata[] = {
75 {
76 .init = uart1_mxc_init,
77 .exit = uart1_mxc_exit,
78 .flags = IMXUART_HAVE_RTSCTS,
79 }, {
80 .init = uart2_mxc_init,
81 .exit = uart2_mxc_exit,
82 .flags = IMXUART_HAVE_RTSCTS,
83 },
84 };
85
86 /*
87 * Physmap flash
88 */
89
90 static struct physmap_flash_data mx1ads_flash_data = {
91 .width = 4, /* bankwidth in bytes */
92 };
93
94 static struct resource flash_resource = {
95 .start = IMX_CS0_PHYS,
96 .end = IMX_CS0_PHYS + SZ_32M - 1,
97 .flags = IORESOURCE_MEM,
98 };
99
100 static struct platform_device flash_device = {
101 .name = "physmap-flash",
102 .id = 0,
103 .resource = &flash_resource,
104 .num_resources = 1,
105 };
106
107 /*
108 * Board init
109 */
mx1ads_init(void)110 static void __init mx1ads_init(void)
111 {
112 /* UART */
113 mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
114 mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
115
116 /* Physmap flash */
117 mxc_register_device(&flash_device, &mx1ads_flash_data);
118 }
119
mx1ads_timer_init(void)120 static void __init mx1ads_timer_init(void)
121 {
122 mxc_clocks_init(32000);
123 mxc_timer_init("gpt_clk");
124 }
125
126 struct sys_timer mx1ads_timer = {
127 .init = mx1ads_timer_init,
128 };
129
130 MACHINE_START(MX1ADS, "Freescale MX1ADS")
131 /* Maintainer: Sascha Hauer, Pengutronix */
132 .phys_io = IMX_IO_PHYS,
133 .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
134 .boot_params = PHYS_OFFSET + 0x100,
135 .map_io = mxc_map_io,
136 .init_irq = mxc_init_irq,
137 .timer = &mx1ads_timer,
138 .init_machine = mx1ads_init,
139 MACHINE_END
140
141 MACHINE_START(MXLADS, "Freescale MXLADS")
142 .phys_io = IMX_IO_PHYS,
143 .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
144 .boot_params = PHYS_OFFSET + 0x100,
145 .map_io = mxc_map_io,
146 .init_irq = mxc_init_irq,
147 .timer = &mx1ads_timer,
148 .init_machine = mx1ads_init,
149 MACHINE_END
150