diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx53_evk.c')
-rw-r--r-- | arch/arm/mach-imx/mach-mx53_evk.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx53_evk.c b/arch/arm/mach-imx/mach-mx53_evk.c new file mode 100644 index 000000000000..5a72188b9cdb --- /dev/null +++ b/arch/arm/mach-imx/mach-mx53_evk.c | |||
@@ -0,0 +1,178 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved. | ||
3 | * Copyright (C) 2010 Yong Shen. <Yong.Shen@linaro.org> | ||
4 | */ | ||
5 | |||
6 | /* | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | |||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | |||
17 | * You should have received a copy of the GNU General Public License along | ||
18 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
20 | */ | ||
21 | |||
22 | #include <linux/init.h> | ||
23 | #include <linux/clk.h> | ||
24 | #include <linux/delay.h> | ||
25 | #include <linux/gpio.h> | ||
26 | #include <linux/spi/flash.h> | ||
27 | #include <linux/spi/spi.h> | ||
28 | #include <mach/common.h> | ||
29 | #include <mach/hardware.h> | ||
30 | #include <asm/mach-types.h> | ||
31 | #include <asm/mach/arch.h> | ||
32 | #include <asm/mach/time.h> | ||
33 | #include <mach/iomux-mx53.h> | ||
34 | |||
35 | #define MX53_EVK_FEC_PHY_RST IMX_GPIO_NR(7, 6) | ||
36 | #define EVK_ECSPI1_CS0 IMX_GPIO_NR(2, 30) | ||
37 | #define EVK_ECSPI1_CS1 IMX_GPIO_NR(3, 19) | ||
38 | #define MX53EVK_LED IMX_GPIO_NR(7, 7) | ||
39 | |||
40 | #include "devices-imx53.h" | ||
41 | |||
42 | static iomux_v3_cfg_t mx53_evk_pads[] = { | ||
43 | MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, | ||
44 | MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, | ||
45 | |||
46 | MX53_PAD_PATA_BUFFER_EN__UART2_RXD_MUX, | ||
47 | MX53_PAD_PATA_DMARQ__UART2_TXD_MUX, | ||
48 | MX53_PAD_PATA_DIOR__UART2_RTS, | ||
49 | MX53_PAD_PATA_INTRQ__UART2_CTS, | ||
50 | |||
51 | MX53_PAD_PATA_CS_0__UART3_TXD_MUX, | ||
52 | MX53_PAD_PATA_CS_1__UART3_RXD_MUX, | ||
53 | |||
54 | MX53_PAD_EIM_D16__ECSPI1_SCLK, | ||
55 | MX53_PAD_EIM_D17__ECSPI1_MISO, | ||
56 | MX53_PAD_EIM_D18__ECSPI1_MOSI, | ||
57 | |||
58 | /* ecspi chip select lines */ | ||
59 | MX53_PAD_EIM_EB2__GPIO2_30, | ||
60 | MX53_PAD_EIM_D19__GPIO3_19, | ||
61 | /* LED */ | ||
62 | MX53_PAD_PATA_DA_1__GPIO7_7, | ||
63 | }; | ||
64 | |||
65 | static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = { | ||
66 | .flags = IMXUART_HAVE_RTSCTS, | ||
67 | }; | ||
68 | |||
69 | static const struct gpio_led mx53evk_leds[] __initconst = { | ||
70 | { | ||
71 | .name = "green", | ||
72 | .default_trigger = "heartbeat", | ||
73 | .gpio = MX53EVK_LED, | ||
74 | }, | ||
75 | }; | ||
76 | |||
77 | static const struct gpio_led_platform_data mx53evk_leds_data __initconst = { | ||
78 | .leds = mx53evk_leds, | ||
79 | .num_leds = ARRAY_SIZE(mx53evk_leds), | ||
80 | }; | ||
81 | |||
82 | static inline void mx53_evk_init_uart(void) | ||
83 | { | ||
84 | imx53_add_imx_uart(0, NULL); | ||
85 | imx53_add_imx_uart(1, &mx53_evk_uart_pdata); | ||
86 | imx53_add_imx_uart(2, NULL); | ||
87 | } | ||
88 | |||
89 | static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = { | ||
90 | .bitrate = 100000, | ||
91 | }; | ||
92 | |||
93 | static inline void mx53_evk_fec_reset(void) | ||
94 | { | ||
95 | int ret; | ||
96 | |||
97 | /* reset FEC PHY */ | ||
98 | ret = gpio_request_one(MX53_EVK_FEC_PHY_RST, GPIOF_OUT_INIT_LOW, | ||
99 | "fec-phy-reset"); | ||
100 | if (ret) { | ||
101 | printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret); | ||
102 | return; | ||
103 | } | ||
104 | msleep(1); | ||
105 | gpio_set_value(MX53_EVK_FEC_PHY_RST, 1); | ||
106 | } | ||
107 | |||
108 | static const struct fec_platform_data mx53_evk_fec_pdata __initconst = { | ||
109 | .phy = PHY_INTERFACE_MODE_RMII, | ||
110 | }; | ||
111 | |||
112 | static struct spi_board_info mx53_evk_spi_board_info[] __initdata = { | ||
113 | { | ||
114 | .modalias = "mtd_dataflash", | ||
115 | .max_speed_hz = 25000000, | ||
116 | .bus_num = 0, | ||
117 | .chip_select = 1, | ||
118 | .mode = SPI_MODE_0, | ||
119 | .platform_data = NULL, | ||
120 | }, | ||
121 | }; | ||
122 | |||
123 | static int mx53_evk_spi_cs[] = { | ||
124 | EVK_ECSPI1_CS0, | ||
125 | EVK_ECSPI1_CS1, | ||
126 | }; | ||
127 | |||
128 | static const struct spi_imx_master mx53_evk_spi_data __initconst = { | ||
129 | .chipselect = mx53_evk_spi_cs, | ||
130 | .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs), | ||
131 | }; | ||
132 | |||
133 | void __init imx53_evk_common_init(void) | ||
134 | { | ||
135 | mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads, | ||
136 | ARRAY_SIZE(mx53_evk_pads)); | ||
137 | } | ||
138 | |||
139 | static void __init mx53_evk_board_init(void) | ||
140 | { | ||
141 | imx53_soc_init(); | ||
142 | imx53_evk_common_init(); | ||
143 | |||
144 | mx53_evk_init_uart(); | ||
145 | mx53_evk_fec_reset(); | ||
146 | imx53_add_fec(&mx53_evk_fec_pdata); | ||
147 | |||
148 | imx53_add_imx_i2c(0, &mx53_evk_i2c_data); | ||
149 | imx53_add_imx_i2c(1, &mx53_evk_i2c_data); | ||
150 | |||
151 | imx53_add_sdhci_esdhc_imx(0, NULL); | ||
152 | imx53_add_sdhci_esdhc_imx(1, NULL); | ||
153 | |||
154 | spi_register_board_info(mx53_evk_spi_board_info, | ||
155 | ARRAY_SIZE(mx53_evk_spi_board_info)); | ||
156 | imx53_add_ecspi(0, &mx53_evk_spi_data); | ||
157 | imx53_add_imx2_wdt(0, NULL); | ||
158 | gpio_led_register_device(-1, &mx53evk_leds_data); | ||
159 | } | ||
160 | |||
161 | static void __init mx53_evk_timer_init(void) | ||
162 | { | ||
163 | mx53_clocks_init(32768, 24000000, 22579200, 0); | ||
164 | } | ||
165 | |||
166 | static struct sys_timer mx53_evk_timer = { | ||
167 | .init = mx53_evk_timer_init, | ||
168 | }; | ||
169 | |||
170 | MACHINE_START(MX53_EVK, "Freescale MX53 EVK Board") | ||
171 | .map_io = mx53_map_io, | ||
172 | .init_early = imx53_init_early, | ||
173 | .init_irq = mx53_init_irq, | ||
174 | .handle_irq = imx53_handle_irq, | ||
175 | .timer = &mx53_evk_timer, | ||
176 | .init_machine = mx53_evk_board_init, | ||
177 | .restart = mxc_restart, | ||
178 | MACHINE_END | ||