2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
5 * Author: Fabio Estevam <fabio.estevam@freescale.com>
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.
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.
19 * This machine is known as:
20 * - i.MX35 3-Stack Development System
21 * - i.MX35 Platform Development Kit (i.MX35 PDK)
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>
31 #include <linux/mtd/physmap.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/time.h>
36 #include <asm/mach/map.h>
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>
44 #include "devices-imx35.h"
47 #define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 1)
49 static const struct imxuart_platform_data uart_pdata __initconst = {
50 .flags = IMXUART_HAVE_RTSCTS,
53 static struct physmap_flash_data mx35pdk_flash_data = {
57 static struct resource mx35pdk_flash_resource = {
58 .start = MX35_CS0_BASE_ADDR,
59 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
60 .flags = IORESOURCE_MEM,
63 static struct platform_device mx35pdk_flash = {
64 .name = "physmap-flash",
67 .platform_data = &mx35pdk_flash_data,
69 .resource = &mx35pdk_flash_resource,
73 static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
79 static struct platform_device *devices[] __initdata = {
83 static iomux_v3_cfg_t mx35pdk_pads[] = {
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,
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,
109 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
110 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
112 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
113 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
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,
122 MX35_PAD_I2C1_CLK__I2C1_SCL,
123 MX35_PAD_I2C1_DAT__I2C1_SDA,
126 static int mx35_3ds_otg_init(struct platform_device *pdev)
128 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
132 static 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,
137 * ENGCM09152 also requires a hardware change.
138 * Please check the MX35 Chip Errata document for details.
142 static struct mxc_usbh_platform_data otg_pdata __initdata = {
143 .init = mx35_3ds_otg_init,
144 .portsc = MXC_EHCI_MODE_UTMI,
147 static int mx35_3ds_usbh_init(struct platform_device *pdev)
149 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
150 MXC_EHCI_INTERNAL_PHY);
153 /* USB HOST config */
154 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
155 .init = mx35_3ds_usbh_init,
156 .portsc = MXC_EHCI_MODE_SERIAL,
159 static int otg_mode_host;
161 static int __init mx35_3ds_otg_mode(char *options)
163 if (!strcmp(options, "host"))
165 else if (!strcmp(options, "device"))
168 pr_info("otg_mode neither \"host\" nor \"device\". "
169 "Defaulting to device\n");
172 __setup("otg_mode=", mx35_3ds_otg_mode);
174 static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
179 * Board specific initialization.
181 static void __init mx35_3ds_init(void)
183 mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
186 imx35_add_imx2_wdt(NULL);
187 platform_add_devices(devices, ARRAY_SIZE(devices));
189 imx35_add_imx_uart0(&uart_pdata);
192 imx35_add_mxc_ehci_otg(&otg_pdata);
194 imx35_add_mxc_ehci_hs(&usb_host_pdata);
197 imx35_add_fsl_usb2_udc(&usb_otg_pdata);
199 imx35_add_mxc_nand(&mx35pdk_nand_board_info);
200 imx35_add_sdhci_esdhc_imx(0, NULL);
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);
208 static void __init mx35pdk_timer_init(void)
213 struct sys_timer mx35pdk_timer = {
214 .init = mx35pdk_timer_init,
217 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
218 /* Maintainer: Freescale Semiconductor, Inc */
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,