diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31pdk.c')
-rw-r--r-- | arch/arm/mach-mx3/mx31pdk.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mx31pdk.c new file mode 100644 index 000000000000..d464d068a4a6 --- /dev/null +++ b/arch/arm/mach-mx3/mx31pdk.c | |||
@@ -0,0 +1,115 @@ | |||
1 | /* | ||
2 | * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. | ||
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 | #include <linux/clk.h> | ||
22 | #include <linux/irq.h> | ||
23 | |||
24 | #include <mach/hardware.h> | ||
25 | #include <asm/mach-types.h> | ||
26 | #include <asm/mach/arch.h> | ||
27 | #include <asm/mach/time.h> | ||
28 | #include <asm/memory.h> | ||
29 | #include <asm/mach/map.h> | ||
30 | #include <mach/common.h> | ||
31 | #include <mach/board-mx31pdk.h> | ||
32 | #include <mach/imx-uart.h> | ||
33 | #include <mach/iomux-mx3.h> | ||
34 | #include "devices.h" | ||
35 | |||
36 | /*! | ||
37 | * @file mx31pdk.c | ||
38 | * | ||
39 | * @brief This file contains the board-specific initialization routines. | ||
40 | * | ||
41 | * @ingroup System | ||
42 | */ | ||
43 | |||
44 | static struct imxuart_platform_data uart_pdata = { | ||
45 | .flags = IMXUART_HAVE_RTSCTS, | ||
46 | }; | ||
47 | |||
48 | static inline void mxc_init_imx_uart(void) | ||
49 | { | ||
50 | mxc_iomux_mode(MX31_PIN_CTS1__CTS1); | ||
51 | mxc_iomux_mode(MX31_PIN_RTS1__RTS1); | ||
52 | mxc_iomux_mode(MX31_PIN_TXD1__TXD1); | ||
53 | mxc_iomux_mode(MX31_PIN_RXD1__RXD1); | ||
54 | |||
55 | mxc_register_device(&mxc_uart_device0, &uart_pdata); | ||
56 | } | ||
57 | |||
58 | /*! | ||
59 | * This structure defines static mappings for the i.MX31PDK board. | ||
60 | */ | ||
61 | static struct map_desc mx31pdk_io_desc[] __initdata = { | ||
62 | { | ||
63 | .virtual = AIPS1_BASE_ADDR_VIRT, | ||
64 | .pfn = __phys_to_pfn(AIPS1_BASE_ADDR), | ||
65 | .length = AIPS1_SIZE, | ||
66 | .type = MT_DEVICE_NONSHARED | ||
67 | }, { | ||
68 | .virtual = AIPS2_BASE_ADDR_VIRT, | ||
69 | .pfn = __phys_to_pfn(AIPS2_BASE_ADDR), | ||
70 | .length = AIPS2_SIZE, | ||
71 | .type = MT_DEVICE_NONSHARED | ||
72 | }, | ||
73 | }; | ||
74 | |||
75 | /*! | ||
76 | * Set up static virtual mappings. | ||
77 | */ | ||
78 | static void __init mx31pdk_map_io(void) | ||
79 | { | ||
80 | mxc_map_io(); | ||
81 | iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc)); | ||
82 | } | ||
83 | |||
84 | /*! | ||
85 | * Board specific initialization. | ||
86 | */ | ||
87 | static void __init mxc_board_init(void) | ||
88 | { | ||
89 | mxc_init_imx_uart(); | ||
90 | } | ||
91 | |||
92 | static void __init mx31pdk_timer_init(void) | ||
93 | { | ||
94 | mxc_clocks_init(26000000); | ||
95 | mxc_timer_init("ipg_clk.0"); | ||
96 | } | ||
97 | |||
98 | static struct sys_timer mx31pdk_timer = { | ||
99 | .init = mx31pdk_timer_init, | ||
100 | }; | ||
101 | |||
102 | /* | ||
103 | * The following uses standard kernel macros defined in arch.h in order to | ||
104 | * initialize __mach_desc_MX31PDK data structure. | ||
105 | */ | ||
106 | MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") | ||
107 | /* Maintainer: Freescale Semiconductor, Inc. */ | ||
108 | .phys_io = AIPS1_BASE_ADDR, | ||
109 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
110 | .boot_params = PHYS_OFFSET + 0x100, | ||
111 | .map_io = mx31pdk_map_io, | ||
112 | .init_irq = mxc_init_irq, | ||
113 | .init_machine = mxc_board_init, | ||
114 | .timer = &mx31pdk_timer, | ||
115 | MACHINE_END | ||