1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
42static 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
59 MX53_PAD_EIM_EB2__GPIO2_30,
60 MX53_PAD_EIM_D19__GPIO3_19,
61
62 MX53_PAD_PATA_DA_1__GPIO7_7,
63};
64
65static const struct imxuart_platform_data mx53_evk_uart_pdata __initconst = {
66 .flags = IMXUART_HAVE_RTSCTS,
67};
68
69static const struct gpio_led mx53evk_leds[] __initconst = {
70 {
71 .name = "green",
72 .default_trigger = "heartbeat",
73 .gpio = MX53EVK_LED,
74 },
75};
76
77static const struct gpio_led_platform_data mx53evk_leds_data __initconst = {
78 .leds = mx53evk_leds,
79 .num_leds = ARRAY_SIZE(mx53evk_leds),
80};
81
82static 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
89static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = {
90 .bitrate = 100000,
91};
92
93static inline void mx53_evk_fec_reset(void)
94{
95 int ret;
96
97
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
108static const struct fec_platform_data mx53_evk_fec_pdata __initconst = {
109 .phy = PHY_INTERFACE_MODE_RMII,
110};
111
112static 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
123static int mx53_evk_spi_cs[] = {
124 EVK_ECSPI1_CS0,
125 EVK_ECSPI1_CS1,
126};
127
128static 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
133void __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
139static 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
161static void __init mx53_evk_timer_init(void)
162{
163 mx53_clocks_init(32768, 24000000, 22579200, 0);
164}
165
166static struct sys_timer mx53_evk_timer = {
167 .init = mx53_evk_timer_init,
168};
169
170MACHINE_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,
178MACHINE_END
179
