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24#include <linux/types.h>
25#include <linux/init.h>
26#include <linux/platform_device.h>
27#include <linux/memory.h>
28#include <linux/gpio.h>
29#include <linux/usb/otg.h>
30
31#include <linux/mtd/physmap.h>
32
33#include <asm/mach-types.h>
34#include <asm/mach/arch.h>
35#include <asm/mach/time.h>
36#include <asm/mach/map.h>
37
38#include <mach/hardware.h>
39#include <mach/common.h>
40#include <mach/iomux-mx35.h>
41#include <mach/irqs.h>
42#include <mach/3ds_debugboard.h>
43
44#include "devices-imx35.h"
45#include "devices.h"
46
47#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 1)
48
49static const struct imxuart_platform_data uart_pdata __initconst = {
50 .flags = IMXUART_HAVE_RTSCTS,
51};
52
53static struct physmap_flash_data mx35pdk_flash_data = {
54 .width = 2,
55};
56
57static struct resource mx35pdk_flash_resource = {
58 .start = MX35_CS0_BASE_ADDR,
59 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
60 .flags = IORESOURCE_MEM,
61};
62
63static struct platform_device mx35pdk_flash = {
64 .name = "physmap-flash",
65 .id = 0,
66 .dev = {
67 .platform_data = &mx35pdk_flash_data,
68 },
69 .resource = &mx35pdk_flash_resource,
70 .num_resources = 1,
71};
72
73static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
74 .width = 1,
75 .hw_ecc = 1,
76 .flash_bbt = 1,
77};
78
79static struct platform_device *devices[] __initdata = {
80 &mx35pdk_flash,
81};
82
83static iomux_v3_cfg_t mx35pdk_pads[] = {
84
85 MX35_PAD_CTS1__UART1_CTS,
86 MX35_PAD_RTS1__UART1_RTS,
87 MX35_PAD_TXD1__UART1_TXD_MUX,
88 MX35_PAD_RXD1__UART1_RXD_MUX,
89
90 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
91 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
92 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
93 MX35_PAD_FEC_COL__FEC_COL,
94 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
95 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
96 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
97 MX35_PAD_FEC_MDC__FEC_MDC,
98 MX35_PAD_FEC_MDIO__FEC_MDIO,
99 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
100 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
101 MX35_PAD_FEC_CRS__FEC_CRS,
102 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
103 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
104 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
105 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
106 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
107 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
108
109 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
110 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
111
112 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
113 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
114
115 MX35_PAD_SD1_CMD__ESDHC1_CMD,
116 MX35_PAD_SD1_CLK__ESDHC1_CLK,
117 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
118 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
119 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
120 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
121
122 MX35_PAD_I2C1_CLK__I2C1_SCL,
123 MX35_PAD_I2C1_DAT__I2C1_SDA,
124};
125
126static int mx35_3ds_otg_init(struct platform_device *pdev)
127{
128 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
129}
130
131
132static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
133 .operating_mode = FSL_USB2_DR_DEVICE,
134 .phy_mode = FSL_USB2_PHY_UTMI_WIDE,
135 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
136
137
138
139
140};
141
142static struct mxc_usbh_platform_data otg_pdata __initdata = {
143 .init = mx35_3ds_otg_init,
144 .portsc = MXC_EHCI_MODE_UTMI,
145};
146
147static int mx35_3ds_usbh_init(struct platform_device *pdev)
148{
149 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
150 MXC_EHCI_INTERNAL_PHY);
151}
152
153
154static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
155 .init = mx35_3ds_usbh_init,
156 .portsc = MXC_EHCI_MODE_SERIAL,
157};
158
159static int otg_mode_host;
160
161static int __init mx35_3ds_otg_mode(char *options)
162{
163 if (!strcmp(options, "host"))
164 otg_mode_host = 1;
165 else if (!strcmp(options, "device"))
166 otg_mode_host = 0;
167 else
168 pr_info("otg_mode neither \"host\" nor \"device\". "
169 "Defaulting to device\n");
170 return 0;
171}
172__setup("otg_mode=", mx35_3ds_otg_mode);
173
174static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
175 .bitrate = 100000,
176};
177
178
179
180
181static void __init mx35_3ds_init(void)
182{
183 mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
184
185 imx35_add_fec(NULL);
186 imx35_add_imx2_wdt(NULL);
187 platform_add_devices(devices, ARRAY_SIZE(devices));
188
189 imx35_add_imx_uart0(&uart_pdata);
190
191 if (otg_mode_host)
192 imx35_add_mxc_ehci_otg(&otg_pdata);
193
194 imx35_add_mxc_ehci_hs(&usb_host_pdata);
195
196 if (!otg_mode_host)
197 imx35_add_fsl_usb2_udc(&usb_otg_pdata);
198
199 imx35_add_mxc_nand(&mx35pdk_nand_board_info);
200 imx35_add_sdhci_esdhc_imx(0, NULL);
201
202 if (mxc_expio_init(MX35_CS5_BASE_ADDR, EXPIO_PARENT_INT))
203 pr_warn("Init of the debugboard failed, all "
204 "devices on the debugboard are unusable.\n");
205 imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
206}
207
208static void __init mx35pdk_timer_init(void)
209{
210 mx35_clocks_init();
211}
212
213struct sys_timer mx35pdk_timer = {
214 .init = mx35pdk_timer_init,
215};
216
217MACHINE_START(MX35_3DS, "Freescale MX35PDK")
218
219 .boot_params = MX3x_PHYS_OFFSET + 0x100,
220 .map_io = mx35_map_io,
221 .init_early = imx35_init_early,
222 .init_irq = mx35_init_irq,
223 .timer = &mx35pdk_timer,
224 .init_machine = mx35_3ds_init,
225MACHINE_END
226