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beaac6f3 JW |
1 | /* |
2 | * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. | |
3 | * Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com> | |
4 | * | |
5 | * The code contained herein is licensed under the GNU General Public | |
6 | * License. You may obtain a copy of the GNU General Public License | |
7 | * Version 2 or later at the following locations: | |
8 | * | |
9 | * http://www.opensource.org/licenses/gpl-license.html | |
10 | * http://www.gnu.org/copyleft/gpl.html | |
11 | */ | |
12 | ||
13 | #include <linux/irq.h> | |
14 | #include <linux/platform_device.h> | |
8005cf2e | 15 | #include <linux/spi/spi.h> |
7cf7381f | 16 | #include <linux/gpio.h> |
beaac6f3 JW |
17 | |
18 | #include <asm/mach-types.h> | |
19 | #include <asm/mach/arch.h> | |
20 | #include <asm/mach/time.h> | |
21 | ||
22 | #include <mach/hardware.h> | |
23 | #include <mach/common.h> | |
24 | #include <mach/iomux-mx51.h> | |
beaac6f3 JW |
25 | #include <mach/3ds_debugboard.h> |
26 | ||
988916e1 | 27 | #include "devices-imx51.h" |
beaac6f3 | 28 | |
7cf7381f | 29 | #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(1, 6)) |
988916e1 | 30 | #define MX51_3DS_ECSPI2_CS (GPIO_PORTC + 28) |
beaac6f3 | 31 | |
8f5260c8 | 32 | static iomux_v3_cfg_t mx51_3ds_pads[] = { |
beaac6f3 JW |
33 | /* UART1 */ |
34 | MX51_PAD_UART1_RXD__UART1_RXD, | |
35 | MX51_PAD_UART1_TXD__UART1_TXD, | |
36 | MX51_PAD_UART1_RTS__UART1_RTS, | |
37 | MX51_PAD_UART1_CTS__UART1_CTS, | |
38 | ||
39 | /* UART2 */ | |
40 | MX51_PAD_UART2_RXD__UART2_RXD, | |
41 | MX51_PAD_UART2_TXD__UART2_TXD, | |
42 | MX51_PAD_EIM_D25__UART2_CTS, | |
43 | MX51_PAD_EIM_D26__UART2_RTS, | |
44 | ||
45 | /* UART3 */ | |
46 | MX51_PAD_UART3_RXD__UART3_RXD, | |
47 | MX51_PAD_UART3_TXD__UART3_TXD, | |
48 | MX51_PAD_EIM_D24__UART3_CTS, | |
49 | MX51_PAD_EIM_D27__UART3_RTS, | |
50 | ||
51 | /* CPLD PARENT IRQ PIN */ | |
ee1ae4d7 | 52 | MX51_PAD_GPIO1_6__GPIO1_6, |
d5efe255 JW |
53 | |
54 | /* KPP */ | |
55 | MX51_PAD_KEY_ROW0__KEY_ROW0, | |
56 | MX51_PAD_KEY_ROW1__KEY_ROW1, | |
57 | MX51_PAD_KEY_ROW2__KEY_ROW2, | |
58 | MX51_PAD_KEY_ROW3__KEY_ROW3, | |
59 | MX51_PAD_KEY_COL0__KEY_COL0, | |
60 | MX51_PAD_KEY_COL1__KEY_COL1, | |
61 | MX51_PAD_KEY_COL2__KEY_COL2, | |
62 | MX51_PAD_KEY_COL3__KEY_COL3, | |
63 | MX51_PAD_KEY_COL4__KEY_COL4, | |
64 | MX51_PAD_KEY_COL5__KEY_COL5, | |
988916e1 JW |
65 | |
66 | /* eCSPI2 */ | |
67 | MX51_PAD_NANDF_RB2__ECSPI2_SCLK, | |
68 | MX51_PAD_NANDF_RB3__ECSPI2_MISO, | |
69 | MX51_PAD_NANDF_D15__ECSPI2_MOSI, | |
ee1ae4d7 | 70 | MX51_PAD_NANDF_D12__GPIO3_28, |
beaac6f3 JW |
71 | }; |
72 | ||
73 | /* Serial ports */ | |
04b73b15 | 74 | static const struct imxuart_platform_data uart_pdata __initconst = { |
beaac6f3 JW |
75 | .flags = IMXUART_HAVE_RTSCTS, |
76 | }; | |
77 | ||
d5efe255 JW |
78 | static int mx51_3ds_board_keymap[] = { |
79 | KEY(0, 0, KEY_1), | |
80 | KEY(0, 1, KEY_2), | |
81 | KEY(0, 2, KEY_3), | |
82 | KEY(0, 3, KEY_F1), | |
83 | KEY(0, 4, KEY_UP), | |
84 | KEY(0, 5, KEY_F2), | |
85 | ||
86 | KEY(1, 0, KEY_4), | |
87 | KEY(1, 1, KEY_5), | |
88 | KEY(1, 2, KEY_6), | |
89 | KEY(1, 3, KEY_LEFT), | |
90 | KEY(1, 4, KEY_SELECT), | |
91 | KEY(1, 5, KEY_RIGHT), | |
92 | ||
93 | KEY(2, 0, KEY_7), | |
94 | KEY(2, 1, KEY_8), | |
95 | KEY(2, 2, KEY_9), | |
96 | KEY(2, 3, KEY_F3), | |
97 | KEY(2, 4, KEY_DOWN), | |
98 | KEY(2, 5, KEY_F4), | |
99 | ||
100 | KEY(3, 0, KEY_0), | |
101 | KEY(3, 1, KEY_OK), | |
102 | KEY(3, 2, KEY_ESC), | |
103 | KEY(3, 3, KEY_ENTER), | |
104 | KEY(3, 4, KEY_MENU), | |
105 | KEY(3, 5, KEY_BACK) | |
106 | }; | |
107 | ||
a5fcfef0 | 108 | static const struct matrix_keymap_data mx51_3ds_map_data __initconst = { |
d5efe255 JW |
109 | .keymap = mx51_3ds_board_keymap, |
110 | .keymap_size = ARRAY_SIZE(mx51_3ds_board_keymap), | |
111 | }; | |
112 | ||
988916e1 JW |
113 | static int mx51_3ds_spi2_cs[] = { |
114 | MXC_SPI_CS(0), | |
115 | MX51_3DS_ECSPI2_CS, | |
116 | }; | |
117 | ||
118 | static const struct spi_imx_master mx51_3ds_ecspi2_pdata __initconst = { | |
119 | .chipselect = mx51_3ds_spi2_cs, | |
120 | .num_chipselect = ARRAY_SIZE(mx51_3ds_spi2_cs), | |
121 | }; | |
122 | ||
8005cf2e JW |
123 | static struct spi_board_info mx51_3ds_spi_nor_device[] = { |
124 | { | |
125 | .modalias = "m25p80", | |
126 | .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ | |
127 | .bus_num = 1, | |
128 | .chip_select = 1, | |
129 | .mode = SPI_MODE_0, | |
130 | .platform_data = NULL,}, | |
131 | }; | |
132 | ||
beaac6f3 JW |
133 | /* |
134 | * Board specific initialization. | |
135 | */ | |
e134fb2b | 136 | static void __init mx51_3ds_init(void) |
beaac6f3 | 137 | { |
b78d8e59 SG |
138 | imx51_soc_init(); |
139 | ||
beaac6f3 JW |
140 | mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads, |
141 | ARRAY_SIZE(mx51_3ds_pads)); | |
0c1c8511 SH |
142 | |
143 | imx51_add_imx_uart(0, &uart_pdata); | |
144 | imx51_add_imx_uart(1, &uart_pdata); | |
145 | imx51_add_imx_uart(2, &uart_pdata); | |
beaac6f3 | 146 | |
988916e1 | 147 | imx51_add_ecspi(1, &mx51_3ds_ecspi2_pdata); |
8005cf2e JW |
148 | spi_register_board_info(mx51_3ds_spi_nor_device, |
149 | ARRAY_SIZE(mx51_3ds_spi_nor_device)); | |
988916e1 | 150 | |
beaac6f3 JW |
151 | if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT)) |
152 | printk(KERN_WARNING "Init of the debugboard failed, all " | |
153 | "devices on the board are unusable.\n"); | |
d5efe255 | 154 | |
db037126 | 155 | imx51_add_sdhci_esdhc_imx(0, NULL); |
818956e0 | 156 | imx51_add_imx_keypad(&mx51_3ds_map_data); |
56f94b1e | 157 | imx51_add_imx2_wdt(0, NULL); |
beaac6f3 JW |
158 | } |
159 | ||
160 | static void __init mx51_3ds_timer_init(void) | |
161 | { | |
162 | mx51_clocks_init(32768, 24000000, 22579200, 0); | |
163 | } | |
164 | ||
e134fb2b UKK |
165 | static struct sys_timer mx51_3ds_timer = { |
166 | .init = mx51_3ds_timer_init, | |
beaac6f3 JW |
167 | }; |
168 | ||
169 | MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board") | |
170 | /* Maintainer: Freescale Semiconductor, Inc. */ | |
6192935c | 171 | .atag_offset = 0x100, |
beaac6f3 | 172 | .map_io = mx51_map_io, |
ab130421 | 173 | .init_early = imx51_init_early, |
beaac6f3 | 174 | .init_irq = mx51_init_irq, |
ffa2ea3f | 175 | .handle_irq = imx51_handle_irq, |
e134fb2b UKK |
176 | .timer = &mx51_3ds_timer, |
177 | .init_machine = mx51_3ds_init, | |
65ea7884 | 178 | .restart = mxc_restart, |
beaac6f3 | 179 | MACHINE_END |