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481 lines
11 KiB
481 lines
11 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/mxm8x10.c |
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* |
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* Support for the Embedian MXM-8x10 Computer on Module |
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* |
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* Copyright (C) 2006 Marvell International Ltd. |
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* Copyright (C) 2009 Embedian Inc. |
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* Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd. |
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* |
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* 2007-09-04: eric miao <[email protected]> |
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* rewrite to align with latest kernel |
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* |
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* 2010-01-09: Edwin Peer <[email protected]> |
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* Hennie van der Merwe <[email protected]> |
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* rework for upstream merge |
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*/ |
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#include <linux/serial_8250.h> |
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#include <linux/dm9000.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/platform_data/i2c-pxa.h> |
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#include <linux/platform_data/mtd-nand-pxa3xx.h> |
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#include <linux/platform_data/video-pxafb.h> |
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#include <linux/platform_data/mmc-pxamci.h> |
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#include <linux/platform_data/usb-ohci-pxa27x.h> |
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#include "pxa320.h" |
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#include "mxm8x10.h" |
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#include "devices.h" |
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#include "generic.h" |
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/* GPIO pin definition |
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External device stuff - Leave unconfigured for now... |
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--------------------- |
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GPIO0 - DREQ (External DMA Request) |
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GPIO3 - nGCS2 (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ? |
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GPIO4 - nGCS3 |
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GPIO15 - EXT_GPIO1 |
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GPIO16 - EXT_GPIO2 |
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GPIO17 - EXT_GPIO3 |
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GPIO24 - EXT_GPIO4 |
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GPIO25 - EXT_GPIO5 |
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GPIO26 - EXT_GPIO6 |
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GPIO27 - EXT_GPIO7 |
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GPIO28 - EXT_GPIO8 |
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GPIO29 - EXT_GPIO9 |
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GPIO30 - EXT_GPIO10 |
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GPIO31 - EXT_GPIO11 |
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GPIO57 - EXT_GPIO12 |
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GPIO74 - EXT_IRQ1 |
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GPIO75 - EXT_IRQ2 |
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GPIO76 - EXT_IRQ3 |
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GPIO77 - EXT_IRQ4 |
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GPIO78 - EXT_IRQ5 |
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GPIO79 - EXT_IRQ6 |
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GPIO80 - EXT_IRQ7 |
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GPIO81 - EXT_IRQ8 |
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GPIO87 - VCCIO_PWREN (External Device PWREN) |
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Dallas 1-Wire - Leave unconfigured for now... |
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------------- |
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GPIO0_2 - DS - 1Wire |
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Ethernet |
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-------- |
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GPIO1 - DM9000 PWR |
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GPIO9 - DM9K_nIRQ |
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GPIO36 - DM9K_RESET |
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Keypad - Leave unconfigured by for now... |
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------ |
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GPIO1_2 - KP_DKIN0 |
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GPIO5_2 - KP_MKOUT7 |
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GPIO82 - KP_DKIN1 |
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GPIO85 - KP_DKIN2 |
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GPIO86 - KP_DKIN3 |
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GPIO113 - KP_MKIN0 |
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GPIO114 - KP_MKIN1 |
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GPIO115 - KP_MKIN2 |
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GPIO116 - KP_MKIN3 |
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GPIO117 - KP_MKIN4 |
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GPIO118 - KP_MKIN5 |
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GPIO119 - KP_MKIN6 |
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GPIO120 - KP_MKIN7 |
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GPIO121 - KP_MKOUT0 |
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GPIO122 - KP_MKOUT1 |
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GPIO122 - KP_MKOUT2 |
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GPIO123 - KP_MKOUT3 |
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GPIO124 - KP_MKOUT4 |
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GPIO125 - KP_MKOUT5 |
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GPIO127 - KP_MKOUT6 |
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Data Bus - Leave unconfigured for now... |
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-------- |
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GPIO2 - nWait (Data Bus) |
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USB Device |
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---------- |
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GPIO4_2 - USBD_PULLUP |
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GPIO10 - UTM_CLK (USB Device UTM Clk) |
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GPIO49 - USB 2.0 Device UTM_DATA0 |
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GPIO50 - USB 2.0 Device UTM_DATA1 |
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GPIO51 - USB 2.0 Device UTM_DATA2 |
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GPIO52 - USB 2.0 Device UTM_DATA3 |
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GPIO53 - USB 2.0 Device UTM_DATA4 |
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GPIO54 - USB 2.0 Device UTM_DATA5 |
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GPIO55 - USB 2.0 Device UTM_DATA6 |
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GPIO56 - USB 2.0 Device UTM_DATA7 |
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GPIO58 - UTM_RXVALID (USB 2.0 Device) |
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GPIO59 - UTM_RXACTIVE (USB 2.0 Device) |
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GPIO60 - UTM_RXERROR |
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GPIO61 - UTM_OPMODE0 |
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GPIO62 - UTM_OPMODE1 |
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GPIO71 - USBD_INT (USB Device?) |
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GPIO73 - UTM_TXREADY (USB 2.0 Device) |
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GPIO83 - UTM_TXVALID (USB 2.0 Device) |
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GPIO98 - UTM_RESET (USB 2.0 device) |
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GPIO99 - UTM_XCVR_SELECT |
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GPIO100 - UTM_TERM_SELECT |
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GPIO101 - UTM_SUSPENDM_X |
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GPIO102 - UTM_LINESTATE0 |
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GPIO103 - UTM_LINESTATE1 |
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Card-Bus Interface - Leave unconfigured for now... |
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------------------ |
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GPIO5 - nPIOR (I/O space output enable) |
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GPIO6 - nPIOW (I/O space write enable) |
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GPIO7 - nIOS16 (Input from I/O space telling size of data bus) |
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GPIO8 - nPWAIT (Input for inserting wait states) |
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LCD |
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--- |
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GPIO6_2 - LDD0 |
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GPIO7_2 - LDD1 |
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GPIO8_2 - LDD2 |
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GPIO9_2 - LDD3 |
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GPIO11_2 - LDD5 |
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GPIO12_2 - LDD6 |
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GPIO13_2 - LDD7 |
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GPIO14_2 - VSYNC |
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GPIO15_2 - HSYNC |
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GPIO16_2 - VCLK |
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GPIO17_2 - HCLK |
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GPIO18_2 - VDEN |
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GPIO63 - LDD8 (CPU LCD) |
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GPIO64 - LDD9 (CPU LCD) |
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GPIO65 - LDD10 (CPU LCD) |
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GPIO66 - LDD11 (CPU LCD) |
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GPIO67 - LDD12 (CPU LCD) |
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GPIO68 - LDD13 (CPU LCD) |
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GPIO69 - LDD14 (CPU LCD) |
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GPIO70 - LDD15 (CPU LCD) |
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GPIO88 - VCCLCD_PWREN (LCD Panel PWREN) |
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GPIO97 - BACKLIGHT_EN |
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GPIO104 - LCD_PWREN |
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PWM - Leave unconfigured for now... |
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--- |
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GPIO11 - PWM0 |
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GPIO12 - PWM1 |
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GPIO13 - PWM2 |
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GPIO14 - PWM3 |
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SD-CARD |
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------- |
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GPIO18 - SDDATA0 |
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GPIO19 - SDDATA1 |
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GPIO20 - SDDATA2 |
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GPIO21 - SDDATA3 |
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GPIO22 - SDCLK |
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GPIO23 - SDCMD |
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GPIO72 - SD_WP |
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GPIO84 - SD_nIRQ_CD (SD-Card) |
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I2C |
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--- |
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GPIO32 - I2CSCL |
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GPIO33 - I2CSDA |
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AC97 |
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---- |
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GPIO35 - AC97_SDATA_IN |
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GPIO37 - AC97_SDATA_OUT |
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GPIO38 - AC97_SYNC |
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GPIO39 - AC97_BITCLK |
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GPIO40 - AC97_nRESET |
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UART1 |
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----- |
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GPIO41 - UART_RXD1 |
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GPIO42 - UART_TXD1 |
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GPIO43 - UART_CTS1 |
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GPIO44 - UART_DCD1 |
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GPIO45 - UART_DSR1 |
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GPIO46 - UART_nRI1 |
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GPIO47 - UART_DTR1 |
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GPIO48 - UART_RTS1 |
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UART2 |
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----- |
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GPIO109 - RTS2 |
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GPIO110 - RXD2 |
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GPIO111 - TXD2 |
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GPIO112 - nCTS2 |
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UART3 |
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----- |
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GPIO105 - nCTS3 |
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GPIO106 - nRTS3 |
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GPIO107 - TXD3 |
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GPIO108 - RXD3 |
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SSP3 - Leave unconfigured for now... |
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---- |
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GPIO89 - SSP3_CLK |
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GPIO90 - SSP3_SFRM |
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GPIO91 - SSP3_TXD |
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GPIO92 - SSP3_RXD |
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SSP4 |
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GPIO93 - SSP4_CLK |
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GPIO94 - SSP4_SFRM |
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GPIO95 - SSP4_TXD |
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GPIO96 - SSP4_RXD |
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*/ |
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static mfp_cfg_t mfp_cfg[] __initdata = { |
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/* USB */ |
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GPIO10_UTM_CLK, |
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GPIO49_U2D_PHYDATA_0, |
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GPIO50_U2D_PHYDATA_1, |
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GPIO51_U2D_PHYDATA_2, |
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GPIO52_U2D_PHYDATA_3, |
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GPIO53_U2D_PHYDATA_4, |
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GPIO54_U2D_PHYDATA_5, |
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GPIO55_U2D_PHYDATA_6, |
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GPIO56_U2D_PHYDATA_7, |
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GPIO58_UTM_RXVALID, |
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GPIO59_UTM_RXACTIVE, |
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GPIO60_U2D_RXERROR, |
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GPIO61_U2D_OPMODE0, |
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GPIO62_U2D_OPMODE1, |
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GPIO71_GPIO, /* USBD_INT */ |
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GPIO73_UTM_TXREADY, |
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GPIO83_U2D_TXVALID, |
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GPIO98_U2D_RESET, |
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GPIO99_U2D_XCVR_SEL, |
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GPIO100_U2D_TERM_SEL, |
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GPIO101_U2D_SUSPEND, |
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GPIO102_UTM_LINESTATE_0, |
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GPIO103_UTM_LINESTATE_1, |
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GPIO4_2_GPIO | MFP_PULL_HIGH, /* UTM_PULLUP */ |
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/* DM9000 */ |
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GPIO1_GPIO, |
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GPIO9_GPIO, |
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GPIO36_GPIO, |
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/* AC97 */ |
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GPIO35_AC97_SDATA_IN_0, |
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GPIO37_AC97_SDATA_OUT, |
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GPIO38_AC97_SYNC, |
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GPIO39_AC97_BITCLK, |
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GPIO40_AC97_nACRESET, |
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/* UARTS */ |
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GPIO41_UART1_RXD, |
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GPIO42_UART1_TXD, |
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GPIO43_UART1_CTS, |
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GPIO44_UART1_DCD, |
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GPIO45_UART1_DSR, |
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GPIO46_UART1_RI, |
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GPIO47_UART1_DTR, |
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GPIO48_UART1_RTS, |
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GPIO109_UART2_RTS, |
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GPIO110_UART2_RXD, |
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GPIO111_UART2_TXD, |
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GPIO112_UART2_CTS, |
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GPIO105_UART3_CTS, |
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GPIO106_UART3_RTS, |
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GPIO107_UART3_TXD, |
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GPIO108_UART3_RXD, |
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GPIO78_GPIO, |
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GPIO79_GPIO, |
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GPIO80_GPIO, |
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GPIO81_GPIO, |
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/* I2C */ |
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GPIO32_I2C_SCL, |
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GPIO33_I2C_SDA, |
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/* MMC */ |
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GPIO18_MMC1_DAT0, |
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GPIO19_MMC1_DAT1, |
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GPIO20_MMC1_DAT2, |
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GPIO21_MMC1_DAT3, |
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GPIO22_MMC1_CLK, |
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GPIO23_MMC1_CMD, |
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GPIO72_GPIO | MFP_PULL_HIGH, /* Card Detect */ |
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GPIO84_GPIO | MFP_PULL_LOW, /* Write Protect */ |
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/* IRQ */ |
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GPIO74_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ1 */ |
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GPIO75_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ2 */ |
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GPIO76_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ3 */ |
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GPIO77_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ4 */ |
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GPIO78_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ5 */ |
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GPIO79_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ6 */ |
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GPIO80_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ7 */ |
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GPIO81_GPIO | MFP_LPM_EDGE_RISE /* EXT_IRQ8 */ |
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}; |
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/* MMC/MCI Support */ |
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#if defined(CONFIG_MMC) |
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static struct pxamci_platform_data mxm_8x10_mci_platform_data = { |
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
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.detect_delay_ms = 10, |
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}; |
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static struct gpiod_lookup_table mxm_8x10_mci_gpio_table = { |
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.dev_id = "pxa2xx-mci.0", |
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.table = { |
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/* Card detect on GPIO 72 */ |
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GPIO_LOOKUP("gpio-pxa", MXM_8X10_SD_nCD, |
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"cd", GPIO_ACTIVE_LOW), |
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/* Write protect on GPIO 84 */ |
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GPIO_LOOKUP("gpio-pxa", MXM_8X10_SD_WP, |
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"wp", GPIO_ACTIVE_LOW), |
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{ }, |
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}, |
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}; |
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void __init mxm_8x10_mmc_init(void) |
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{ |
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gpiod_add_lookup_table(&mxm_8x10_mci_gpio_table); |
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pxa_set_mci_info(&mxm_8x10_mci_platform_data); |
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} |
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#endif |
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/* USB Open Host Controller Interface */ |
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static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = { |
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.port_mode = PMM_NPS_MODE, |
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.flags = ENABLE_PORT_ALL |
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}; |
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void __init mxm_8x10_usb_host_init(void) |
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{ |
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pxa_set_ohci_info(&mxm_8x10_ohci_platform_data); |
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} |
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/* AC97 Sound Support */ |
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static struct platform_device mxm_8x10_ac97_device = { |
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.name = "pxa2xx-ac97" |
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}; |
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void __init mxm_8x10_ac97_init(void) |
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{ |
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platform_device_register(&mxm_8x10_ac97_device); |
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} |
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/* NAND flash Support */ |
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#if IS_ENABLED(CONFIG_MTD_NAND_MARVELL) |
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#define NAND_BLOCK_SIZE SZ_128K |
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#define NB(x) (NAND_BLOCK_SIZE * (x)) |
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static struct mtd_partition mxm_8x10_nand_partitions[] = { |
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[0] = { |
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.name = "boot", |
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.size = NB(0x002), |
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.offset = NB(0x000), |
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.mask_flags = MTD_WRITEABLE |
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}, |
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[1] = { |
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.name = "kernel", |
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.size = NB(0x010), |
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.offset = NB(0x002), |
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.mask_flags = MTD_WRITEABLE |
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}, |
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[2] = { |
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.name = "root", |
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.size = NB(0x36c), |
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.offset = NB(0x012) |
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}, |
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[3] = { |
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.name = "bbt", |
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.size = NB(0x082), |
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.offset = NB(0x37e), |
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.mask_flags = MTD_WRITEABLE |
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} |
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}; |
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static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = { |
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.keep_config = 1, |
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.parts = mxm_8x10_nand_partitions, |
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.nr_parts = ARRAY_SIZE(mxm_8x10_nand_partitions) |
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}; |
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static void __init mxm_8x10_nand_init(void) |
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{ |
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pxa3xx_set_nand_info(&mxm_8x10_nand_info); |
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} |
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#else |
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static inline void mxm_8x10_nand_init(void) {} |
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#endif /* IS_ENABLED(CONFIG_MTD_NAND_MARVELL) */ |
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/* Ethernet support: Davicom DM9000 */ |
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static struct resource dm9k_resources[] = { |
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[0] = { |
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.start = MXM_8X10_ETH_PHYS + 0x300, |
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.end = MXM_8X10_ETH_PHYS + 0x300, |
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.flags = IORESOURCE_MEM |
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}, |
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[1] = { |
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.start = MXM_8X10_ETH_PHYS + 0x308, |
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.end = MXM_8X10_ETH_PHYS + 0x308, |
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.flags = IORESOURCE_MEM |
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}, |
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[2] = { |
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.start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), |
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.end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), |
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
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} |
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}; |
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static struct dm9000_plat_data dm9k_plat_data = { |
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.flags = DM9000_PLATF_16BITONLY |
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}; |
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static struct platform_device dm9k_device = { |
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.name = "dm9000", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(dm9k_resources), |
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.resource = dm9k_resources, |
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.dev = { |
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.platform_data = &dm9k_plat_data |
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} |
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}; |
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static void __init mxm_8x10_ethernet_init(void) |
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{ |
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platform_device_register(&dm9k_device); |
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} |
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/* PXA UARTs */ |
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static void __init mxm_8x10_uarts_init(void) |
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{ |
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pxa_set_ffuart_info(NULL); |
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pxa_set_btuart_info(NULL); |
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pxa_set_stuart_info(NULL); |
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} |
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/* I2C and Real Time Clock */ |
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static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = { |
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{ |
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I2C_BOARD_INFO("ds1337", 0x68) |
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} |
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}; |
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static void __init mxm_8x10_i2c_init(void) |
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{ |
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i2c_register_board_info(0, mxm_8x10_i2c_devices, |
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ARRAY_SIZE(mxm_8x10_i2c_devices)); |
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pxa_set_i2c_info(NULL); |
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} |
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void __init mxm_8x10_barebones_init(void) |
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{ |
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pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg)); |
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mxm_8x10_uarts_init(); |
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mxm_8x10_nand_init(); |
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mxm_8x10_i2c_init(); |
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mxm_8x10_ethernet_init(); |
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}
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