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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 | { | |
30c730f8 | 94 | mx31_clocks_init(26000000); |
1553a1ec FE |
95 | } |
96 | ||
97 | static struct sys_timer mx31pdk_timer = { | |
98 | .init = mx31pdk_timer_init, | |
99 | }; | |
100 | ||
101 | /* | |
102 | * The following uses standard kernel macros defined in arch.h in order to | |
103 | * initialize __mach_desc_MX31PDK data structure. | |
104 | */ | |
105 | MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") | |
106 | /* Maintainer: Freescale Semiconductor, Inc. */ | |
107 | .phys_io = AIPS1_BASE_ADDR, | |
108 | .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
109 | .boot_params = PHYS_OFFSET + 0x100, | |
110 | .map_io = mx31pdk_map_io, | |
111 | .init_irq = mxc_init_irq, | |
112 | .init_machine = mxc_board_init, | |
113 | .timer = &mx31pdk_timer, | |
114 | MACHINE_END |