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/*
* Copyright 2009 Freescale Semiconductor , Inc . All Rights Reserved .
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* Copyright ( C ) 2009 Marc Kleine - Budde , Pengutronix
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*
* Author : Fabio Estevam < fabio . estevam @ freescale . com >
*
* This program is free software ; you can redistribute it and / or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 2 of the License , or
* ( at your option ) any later version .
*
* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
* GNU General Public License for more details .
*/
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/*
* This machine is known as :
* - i . MX35 3 - Stack Development System
* - i . MX35 Platform Development Kit ( i . MX35 PDK )
*/
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# include <linux/types.h>
# include <linux/init.h>
# include <linux/platform_device.h>
# include <linux/memory.h>
# include <linux/gpio.h>
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# include <linux/usb/otg.h>
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# include <linux/mtd/physmap.h>
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# include <asm/mach-types.h>
# include <asm/mach/arch.h>
# include <asm/mach/time.h>
# include <asm/mach/map.h>
# include <mach/hardware.h>
# include <mach/common.h>
# include <mach/iomux-mx35.h>
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# include <mach/irqs.h>
# include <mach/3ds_debugboard.h>
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# include "devices-imx35.h"
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# include "devices.h"
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# define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 1)
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static const struct imxuart_platform_data uart_pdata __initconst = {
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. flags = IMXUART_HAVE_RTSCTS ,
} ;
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static struct physmap_flash_data mx35pdk_flash_data = {
. width = 2 ,
} ;
static struct resource mx35pdk_flash_resource = {
. start = MX35_CS0_BASE_ADDR ,
. end = MX35_CS0_BASE_ADDR + SZ_64M - 1 ,
. flags = IORESOURCE_MEM ,
} ;
static struct platform_device mx35pdk_flash = {
. name = " physmap-flash " ,
. id = 0 ,
. dev = {
. platform_data = & mx35pdk_flash_data ,
} ,
. resource = & mx35pdk_flash_resource ,
. num_resources = 1 ,
} ;
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static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
. width = 1 ,
. hw_ecc = 1 ,
. flash_bbt = 1 ,
} ;
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static struct platform_device * devices [ ] __initdata = {
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& mx35pdk_flash ,
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} ;
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static iomux_v3_cfg_t mx35pdk_pads [ ] = {
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/* UART1 */
MX35_PAD_CTS1__UART1_CTS ,
MX35_PAD_RTS1__UART1_RTS ,
MX35_PAD_TXD1__UART1_TXD_MUX ,
MX35_PAD_RXD1__UART1_RXD_MUX ,
/* FEC */
MX35_PAD_FEC_TX_CLK__FEC_TX_CLK ,
MX35_PAD_FEC_RX_CLK__FEC_RX_CLK ,
MX35_PAD_FEC_RX_DV__FEC_RX_DV ,
MX35_PAD_FEC_COL__FEC_COL ,
MX35_PAD_FEC_RDATA0__FEC_RDATA_0 ,
MX35_PAD_FEC_TDATA0__FEC_TDATA_0 ,
MX35_PAD_FEC_TX_EN__FEC_TX_EN ,
MX35_PAD_FEC_MDC__FEC_MDC ,
MX35_PAD_FEC_MDIO__FEC_MDIO ,
MX35_PAD_FEC_TX_ERR__FEC_TX_ERR ,
MX35_PAD_FEC_RX_ERR__FEC_RX_ERR ,
MX35_PAD_FEC_CRS__FEC_CRS ,
MX35_PAD_FEC_RDATA1__FEC_RDATA_1 ,
MX35_PAD_FEC_TDATA1__FEC_TDATA_1 ,
MX35_PAD_FEC_RDATA2__FEC_RDATA_2 ,
MX35_PAD_FEC_TDATA2__FEC_TDATA_2 ,
MX35_PAD_FEC_RDATA3__FEC_RDATA_3 ,
MX35_PAD_FEC_TDATA3__FEC_TDATA_3 ,
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/* USBOTG */
MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR ,
MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC ,
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/* USBH1 */
MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR ,
MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC ,
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/* SDCARD */
MX35_PAD_SD1_CMD__ESDHC1_CMD ,
MX35_PAD_SD1_CLK__ESDHC1_CLK ,
MX35_PAD_SD1_DATA0__ESDHC1_DAT0 ,
MX35_PAD_SD1_DATA1__ESDHC1_DAT1 ,
MX35_PAD_SD1_DATA2__ESDHC1_DAT2 ,
MX35_PAD_SD1_DATA3__ESDHC1_DAT3 ,
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} ;
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static int mx35_3ds_otg_init ( struct platform_device * pdev )
{
return mx35_initialize_usb_hw ( pdev - > id , MXC_EHCI_INTERNAL_PHY ) ;
}
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/* OTG config */
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static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
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. operating_mode = FSL_USB2_DR_DEVICE ,
. phy_mode = FSL_USB2_PHY_UTMI_WIDE ,
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} ;
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static struct mxc_usbh_platform_data otg_pdata __initdata = {
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. init = mx35_3ds_otg_init ,
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. portsc = MXC_EHCI_MODE_UTMI ,
} ;
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static int mx35_3ds_usbh_init ( struct platform_device * pdev )
{
return mx35_initialize_usb_hw ( pdev - > id , MXC_EHCI_INTERFACE_SINGLE_UNI |
MXC_EHCI_INTERNAL_PHY ) ;
}
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/* USB HOST config */
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static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
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. init = mx35_3ds_usbh_init ,
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. portsc = MXC_EHCI_MODE_SERIAL ,
} ;
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static int otg_mode_host ;
static int __init mx35_3ds_otg_mode ( char * options )
{
if ( ! strcmp ( options , " host " ) )
otg_mode_host = 1 ;
else if ( ! strcmp ( options , " device " ) )
otg_mode_host = 0 ;
else
pr_info ( " otg_mode neither \" host \" nor \" device \" . "
" Defaulting to device \n " ) ;
return 0 ;
}
__setup ( " otg_mode= " , mx35_3ds_otg_mode ) ;
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/*
* Board specific initialization .
*/
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static void __init mx35_3ds_init ( void )
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{
mxc_iomux_v3_setup_multiple_pads ( mx35pdk_pads , ARRAY_SIZE ( mx35pdk_pads ) ) ;
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imx35_add_fec ( NULL ) ;
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imx35_add_imx2_wdt ( NULL ) ;
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platform_add_devices ( devices , ARRAY_SIZE ( devices ) ) ;
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imx35_add_imx_uart0 ( & uart_pdata ) ;
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if ( otg_mode_host )
imx35_add_mxc_ehci_otg ( & otg_pdata ) ;
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imx35_add_mxc_ehci_hs ( & usb_host_pdata ) ;
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if ( ! otg_mode_host )
imx35_add_fsl_usb2_udc ( & usb_otg_pdata ) ;
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imx35_add_mxc_nand ( & mx35pdk_nand_board_info ) ;
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imx35_add_sdhci_esdhc_imx ( 0 , NULL ) ;
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if ( mxc_expio_init ( MX35_CS5_BASE_ADDR , EXPIO_PARENT_INT ) )
pr_warn ( " Init of the debugboard failed, all "
" devices on the debugboard are unusable. \n " ) ;
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}
static void __init mx35pdk_timer_init ( void )
{
mx35_clocks_init ( ) ;
}
struct sys_timer mx35pdk_timer = {
. init = mx35pdk_timer_init ,
} ;
MACHINE_START ( MX35_3DS , " Freescale MX35PDK " )
/* Maintainer: Freescale Semiconductor, Inc */
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. boot_params = MX3x_PHYS_OFFSET + 0x100 ,
. map_io = mx35_map_io ,
. init_early = imx35_init_early ,
. init_irq = mx35_init_irq ,
. timer = & mx35pdk_timer ,
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. init_machine = mx35_3ds_init ,
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MACHINE_END