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988d2d49 VL |
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 | */ | |
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 | */ | |
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 | ||
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 |