1 /*
2 * Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19 #include <linux/types.h>
20 #include <linux/init.h>
21
22 #include <linux/platform_device.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/memory.h>
26
27 #include <mach/hardware.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/time.h>
31 #include <asm/mach/map.h>
32 #include <mach/common.h>
33 #include <mach/imx-uart.h>
34 #include <mach/iomux-mx3.h>
35
36 #include "devices.h"
37
38 static struct physmap_flash_data mx31moboard_flash_data = {
39 .width = 2,
40 };
41
42 static struct resource mx31moboard_flash_resource = {
43 .start = 0xa0000000,
44 .end = 0xa1ffffff,
45 .flags = IORESOURCE_MEM,
46 };
47
48 static struct platform_device mx31moboard_flash = {
49 .name = "physmap-flash",
50 .id = 0,
51 .dev = {
52 .platform_data = &mx31moboard_flash_data,
53 },
54 .resource = &mx31moboard_flash_resource,
55 .num_resources = 1,
56 };
57
58 static struct imxuart_platform_data uart_pdata = {
59 .flags = IMXUART_HAVE_RTSCTS,
60 };
61
62 static struct platform_device *devices[] __initdata = {
63 &mx31moboard_flash,
64 };
65
66 /*
67 * Board specific initialization.
68 */
mxc_board_init(void)69 static void __init mxc_board_init(void)
70 {
71 platform_add_devices(devices, ARRAY_SIZE(devices));
72
73 mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
74 mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
75 mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
76 mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
77
78 mxc_register_device(&mxc_uart_device0, &uart_pdata);
79
80 mxc_iomux_mode(MX31_PIN_CTS2__CTS2);
81 mxc_iomux_mode(MX31_PIN_RTS2__RTS2);
82 mxc_iomux_mode(MX31_PIN_TXD2__TXD2);
83 mxc_iomux_mode(MX31_PIN_RXD2__RXD2);
84
85 mxc_register_device(&mxc_uart_device1, &uart_pdata);
86
87 mxc_iomux_mode(MX31_PIN_PC_RST__CTS5);
88 mxc_iomux_mode(MX31_PIN_PC_VS2__RTS5);
89 mxc_iomux_mode(MX31_PIN_PC_BVD2__TXD5);
90 mxc_iomux_mode(MX31_PIN_PC_BVD1__RXD5);
91
92 mxc_register_device(&mxc_uart_device4, &uart_pdata);
93 }
94
95 /*
96 * This structure defines static mappings for the mx31moboard.
97 */
98 static struct map_desc mx31moboard_io_desc[] __initdata = {
99 {
100 .virtual = AIPS1_BASE_ADDR_VIRT,
101 .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
102 .length = AIPS1_SIZE,
103 .type = MT_DEVICE_NONSHARED
104 }, {
105 .virtual = AIPS2_BASE_ADDR_VIRT,
106 .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
107 .length = AIPS2_SIZE,
108 .type = MT_DEVICE_NONSHARED
109 },
110 };
111
112 /*
113 * Set up static virtual mappings.
114 */
mx31moboard_map_io(void)115 void __init mx31moboard_map_io(void)
116 {
117 mxc_map_io();
118 iotable_init(mx31moboard_io_desc, ARRAY_SIZE(mx31moboard_io_desc));
119 }
120
mx31moboard_timer_init(void)121 static void __init mx31moboard_timer_init(void)
122 {
123 mxc_clocks_init(26000000);
124 mxc_timer_init("ipg_clk.0");
125 }
126
127 struct sys_timer mx31moboard_timer = {
128 .init = mx31moboard_timer_init,
129 };
130
131 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
132 /* Maintainer: Valentin Longchamp, EPFL Mobots group */
133 .phys_io = AIPS1_BASE_ADDR,
134 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
135 .boot_params = PHYS_OFFSET + 0x100,
136 .map_io = mx31moboard_map_io,
137 .init_irq = mxc_init_irq,
138 .init_machine = mxc_board_init,
139 .timer = &mx31moboard_timer,
140 MACHINE_END
141
142