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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 | ||
bfbc6a1f VL |
66 | static int mxc_uart0_pins[] = { |
67 | MX31_PIN_CTS1__CTS1, | |
68 | MX31_PIN_RTS1__RTS1, | |
69 | MX31_PIN_TXD1__TXD1, | |
70 | MX31_PIN_RXD1__RXD1 | |
71 | }; | |
72 | static int mxc_uart1_pins[] = { | |
73 | MX31_PIN_CTS2__CTS2, | |
74 | MX31_PIN_RTS2__RTS2, | |
75 | MX31_PIN_TXD2__TXD2, | |
76 | MX31_PIN_RXD2__RXD2 | |
77 | }; | |
78 | static int mxc_uart4_pins[] = { | |
79 | MX31_PIN_PC_RST__CTS5, | |
80 | MX31_PIN_PC_VS2__RTS5, | |
81 | MX31_PIN_PC_BVD2__TXD5, | |
82 | MX31_PIN_PC_BVD1__RXD5 | |
83 | }; | |
84 | ||
988d2d49 VL |
85 | /* |
86 | * Board specific initialization. | |
87 | */ | |
88 | static void __init mxc_board_init(void) | |
89 | { | |
90 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
91 | ||
bfbc6a1f | 92 | mxc_iomux_setup_multiple_pins(mxc_uart0_pins, ARRAY_SIZE(mxc_uart0_pins), "uart0"); |
988d2d49 VL |
93 | mxc_register_device(&mxc_uart_device0, &uart_pdata); |
94 | ||
bfbc6a1f | 95 | mxc_iomux_setup_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins), "uart1"); |
988d2d49 VL |
96 | mxc_register_device(&mxc_uart_device1, &uart_pdata); |
97 | ||
bfbc6a1f | 98 | mxc_iomux_setup_multiple_pins(mxc_uart4_pins, ARRAY_SIZE(mxc_uart4_pins), "uart4"); |
988d2d49 VL |
99 | mxc_register_device(&mxc_uart_device4, &uart_pdata); |
100 | } | |
101 | ||
102 | /* | |
103 | * This structure defines static mappings for the mx31moboard. | |
104 | */ | |
105 | static struct map_desc mx31moboard_io_desc[] __initdata = { | |
106 | { | |
107 | .virtual = AIPS1_BASE_ADDR_VIRT, | |
108 | .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), | |
109 | .length = AIPS1_SIZE, | |
110 | .type = MT_DEVICE_NONSHARED | |
111 | }, { | |
112 | .virtual = AIPS2_BASE_ADDR_VIRT, | |
113 | .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), | |
114 | .length = AIPS2_SIZE, | |
115 | .type = MT_DEVICE_NONSHARED | |
116 | }, | |
117 | }; | |
118 | ||
119 | /* | |
120 | * Set up static virtual mappings. | |
121 | */ | |
122 | void __init mx31moboard_map_io(void) | |
123 | { | |
124 | mxc_map_io(); | |
125 | iotable_init(mx31moboard_io_desc, ARRAY_SIZE(mx31moboard_io_desc)); | |
126 | } | |
127 | ||
128 | static void __init mx31moboard_timer_init(void) | |
129 | { | |
30c730f8 | 130 | mx31_clocks_init(26000000); |
988d2d49 VL |
131 | } |
132 | ||
133 | struct sys_timer mx31moboard_timer = { | |
134 | .init = mx31moboard_timer_init, | |
135 | }; | |
136 | ||
137 | MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") | |
138 | /* Maintainer: Valentin Longchamp, EPFL Mobots group */ | |
139 | .phys_io = AIPS1_BASE_ADDR, | |
140 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
141 | .boot_params = PHYS_OFFSET + 0x100, | |
142 | .map_io = mx31moboard_map_io, | |
143 | .init_irq = mxc_init_irq, | |
144 | .init_machine = mxc_board_init, | |
145 | .timer = &mx31moboard_timer, | |
146 | MACHINE_END | |
147 |