diff options
author | Valentin Longchamp <valentin.longchamp@epfl.ch> | 2008-11-23 11:35:08 -0500 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-12-16 08:58:19 -0500 |
commit | 988d2d49f767c2e9c5a082257ec4ca2ff30c2b68 (patch) | |
tree | abaf74090d4a8ea51b643f7ef2255300989cd876 /arch/arm/mach-mx3/mx31moboard.c | |
parent | a3cce2a8e2e7b09911ea97dbdd5236c60f202a16 (diff) |
[ARM] MX31: basic support for mx31moboard platform
Initial support for mx31moboard platfor with 3 serial ports
and NOR Flash
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c new file mode 100644 index 000000000000..c29098af7394 --- /dev/null +++ b/arch/arm/mach-mx3/mx31moboard.c | |||
@@ -0,0 +1,141 @@ | |||
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 | |||