|  | /* | 
|  | * linux/arch/arm/mach-pxa/mxm8x10.c | 
|  | * | 
|  | * Support for the Embedian MXM-8x10 Computer on Module | 
|  | * | 
|  | * Copyright (C) 2006 Marvell International Ltd. | 
|  | * Copyright (C) 2009 Embedian Inc. | 
|  | * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd. | 
|  | * | 
|  | * 2007-09-04: eric miao <eric.y.miao@gmail.com> | 
|  | *             rewrite to align with latest kernel | 
|  | * | 
|  | * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za> | 
|  | * 	       Hennie van der Merwe <hvdmerwe@tmtservices.co.za> | 
|  | *             rework for upstream merge | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  |  | 
|  | #include <linux/serial_8250.h> | 
|  | #include <linux/dm9000.h> | 
|  | #include <linux/gpio.h> | 
|  |  | 
|  | #include <plat/i2c.h> | 
|  | #include <plat/pxa3xx_nand.h> | 
|  |  | 
|  | #include <mach/pxafb.h> | 
|  | #include <mach/mmc.h> | 
|  | #include <mach/ohci.h> | 
|  | #include <mach/pxa320.h> | 
|  |  | 
|  | #include <mach/mxm8x10.h> | 
|  |  | 
|  | #include "devices.h" | 
|  | #include "generic.h" | 
|  |  | 
|  | /* GPIO pin definition | 
|  |  | 
|  | External device stuff   - Leave unconfigured for now... | 
|  | --------------------- | 
|  | GPIO0   -   DREQ    (External DMA Request) | 
|  | GPIO3   -   nGCS2   (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ? | 
|  | GPIO4   -   nGCS3 | 
|  | GPIO15  -   EXT_GPIO1 | 
|  | GPIO16  -   EXT_GPIO2 | 
|  | GPIO17  -   EXT_GPIO3 | 
|  | GPIO24  -   EXT_GPIO4 | 
|  | GPIO25  -   EXT_GPIO5 | 
|  | GPIO26  -   EXT_GPIO6 | 
|  | GPIO27  -   EXT_GPIO7 | 
|  | GPIO28  -   EXT_GPIO8 | 
|  | GPIO29  -   EXT_GPIO9 | 
|  | GPIO30  -   EXT_GPIO10 | 
|  | GPIO31  -   EXT_GPIO11 | 
|  | GPIO57  -   EXT_GPIO12 | 
|  | GPIO74  -   EXT_IRQ1 | 
|  | GPIO75  -   EXT_IRQ2 | 
|  | GPIO76  -   EXT_IRQ3 | 
|  | GPIO77  -   EXT_IRQ4 | 
|  | GPIO78  -   EXT_IRQ5 | 
|  | GPIO79  -   EXT_IRQ6 | 
|  | GPIO80  -   EXT_IRQ7 | 
|  | GPIO81  -   EXT_IRQ8 | 
|  | GPIO87  -   VCCIO_PWREN (External Device PWREN) | 
|  |  | 
|  | Dallas 1-Wire   - Leave unconfigured for now... | 
|  | ------------- | 
|  | GPIO0_2 -   DS - 1Wire | 
|  |  | 
|  | Ethernet | 
|  | -------- | 
|  | GPIO1   -   DM9000 PWR | 
|  | GPIO9   -   DM9K_nIRQ | 
|  | GPIO36  -   DM9K_RESET | 
|  |  | 
|  | Keypad  - Leave unconfigured by for now... | 
|  | ------ | 
|  | GPIO1_2 -   KP_DKIN0 | 
|  | GPIO5_2 -   KP_MKOUT7 | 
|  | GPIO82  -   KP_DKIN1 | 
|  | GPIO85  -   KP_DKIN2 | 
|  | GPIO86  -   KP_DKIN3 | 
|  | GPIO113 -   KP_MKIN0 | 
|  | GPIO114 -   KP_MKIN1 | 
|  | GPIO115 -   KP_MKIN2 | 
|  | GPIO116 -   KP_MKIN3 | 
|  | GPIO117 -   KP_MKIN4 | 
|  | GPIO118 -   KP_MKIN5 | 
|  | GPIO119 -   KP_MKIN6 | 
|  | GPIO120 -   KP_MKIN7 | 
|  | GPIO121 -   KP_MKOUT0 | 
|  | GPIO122 -   KP_MKOUT1 | 
|  | GPIO122 -   KP_MKOUT2 | 
|  | GPIO123 -   KP_MKOUT3 | 
|  | GPIO124 -   KP_MKOUT4 | 
|  | GPIO125 -   KP_MKOUT5 | 
|  | GPIO127 -   KP_MKOUT6 | 
|  |  | 
|  | Data Bus    - Leave unconfigured for now... | 
|  | -------- | 
|  | GPIO2   -   nWait (Data Bus) | 
|  |  | 
|  | USB Device | 
|  | ---------- | 
|  | GPIO4_2 -   USBD_PULLUP | 
|  | GPIO10  -   UTM_CLK (USB Device UTM Clk) | 
|  | GPIO49  -   USB 2.0 Device UTM_DATA0 | 
|  | GPIO50  -   USB 2.0 Device UTM_DATA1 | 
|  | GPIO51  -   USB 2.0 Device UTM_DATA2 | 
|  | GPIO52  -   USB 2.0 Device UTM_DATA3 | 
|  | GPIO53  -   USB 2.0 Device UTM_DATA4 | 
|  | GPIO54  -   USB 2.0 Device UTM_DATA5 | 
|  | GPIO55  -   USB 2.0 Device UTM_DATA6 | 
|  | GPIO56  -   USB 2.0 Device UTM_DATA7 | 
|  | GPIO58  -   UTM_RXVALID (USB 2.0 Device) | 
|  | GPIO59  -   UTM_RXACTIVE (USB 2.0 Device) | 
|  | GPIO60  -   UTM_RXERROR | 
|  | GPIO61  -   UTM_OPMODE0 | 
|  | GPIO62  -   UTM_OPMODE1 | 
|  | GPIO71  -   USBD_INT    (USB Device?) | 
|  | GPIO73  -   UTM_TXREADY (USB 2.0 Device) | 
|  | GPIO83  -   UTM_TXVALID (USB 2.0 Device) | 
|  | GPIO98  -   UTM_RESET   (USB 2.0 device) | 
|  | GPIO99  -   UTM_XCVR_SELECT | 
|  | GPIO100 -   UTM_TERM_SELECT | 
|  | GPIO101 -   UTM_SUSPENDM_X | 
|  | GPIO102 -   UTM_LINESTATE0 | 
|  | GPIO103 -   UTM_LINESTATE1 | 
|  |  | 
|  | Card-Bus Interface  - Leave unconfigured for now... | 
|  | ------------------ | 
|  | GPIO5   -   nPIOR (I/O space output enable) | 
|  | GPIO6   -   nPIOW (I/O space write enable) | 
|  | GPIO7   -   nIOS16 (Input from I/O space telling size of data bus) | 
|  | GPIO8   -   nPWAIT (Input for inserting wait states) | 
|  |  | 
|  | LCD | 
|  | --- | 
|  | GPIO6_2     -   LDD0 | 
|  | GPIO7_2     -   LDD1 | 
|  | GPIO8_2     -   LDD2 | 
|  | GPIO9_2     -   LDD3 | 
|  | GPIO11_2    -   LDD5 | 
|  | GPIO12_2    -   LDD6 | 
|  | GPIO13_2    -   LDD7 | 
|  | GPIO14_2    -   VSYNC | 
|  | GPIO15_2    -   HSYNC | 
|  | GPIO16_2    -   VCLK | 
|  | GPIO17_2    -   HCLK | 
|  | GPIO18_2    -   VDEN | 
|  | GPIO63      -   LDD8    (CPU LCD) | 
|  | GPIO64      -   LDD9    (CPU LCD) | 
|  | GPIO65      -   LDD10   (CPU LCD) | 
|  | GPIO66      -   LDD11   (CPU LCD) | 
|  | GPIO67      -   LDD12   (CPU LCD) | 
|  | GPIO68      -   LDD13   (CPU LCD) | 
|  | GPIO69      -   LDD14   (CPU LCD) | 
|  | GPIO70      -   LDD15   (CPU LCD) | 
|  | GPIO88      -   VCCLCD_PWREN (LCD Panel PWREN) | 
|  | GPIO97      -   BACKLIGHT_EN | 
|  | GPIO104     -   LCD_PWREN | 
|  |  | 
|  | PWM   - Leave unconfigured for now... | 
|  | --- | 
|  | GPIO11  -   PWM0 | 
|  | GPIO12  -   PWM1 | 
|  | GPIO13  -   PWM2 | 
|  | GPIO14  -   PWM3 | 
|  |  | 
|  | SD-CARD | 
|  | ------- | 
|  | GPIO18  -   SDDATA0 | 
|  | GPIO19  -   SDDATA1 | 
|  | GPIO20  -   SDDATA2 | 
|  | GPIO21  -   SDDATA3 | 
|  | GPIO22  -   SDCLK | 
|  | GPIO23  -   SDCMD | 
|  | GPIO72  -   SD_WP | 
|  | GPIO84  -   SD_nIRQ_CD  (SD-Card) | 
|  |  | 
|  | I2C | 
|  | --- | 
|  | GPIO32  -   I2CSCL | 
|  | GPIO33  -   I2CSDA | 
|  |  | 
|  | AC97 | 
|  | ---- | 
|  | GPIO35  -   AC97_SDATA_IN | 
|  | GPIO37  -   AC97_SDATA_OUT | 
|  | GPIO38  -   AC97_SYNC | 
|  | GPIO39  -   AC97_BITCLK | 
|  | GPIO40  -   AC97_nRESET | 
|  |  | 
|  | UART1 | 
|  | ----- | 
|  | GPIO41  -   UART_RXD1 | 
|  | GPIO42  -   UART_TXD1 | 
|  | GPIO43  -   UART_CTS1 | 
|  | GPIO44  -   UART_DCD1 | 
|  | GPIO45  -   UART_DSR1 | 
|  | GPIO46  -   UART_nRI1 | 
|  | GPIO47  -   UART_DTR1 | 
|  | GPIO48  -   UART_RTS1 | 
|  |  | 
|  | UART2 | 
|  | ----- | 
|  | GPIO109 -   RTS2 | 
|  | GPIO110 -   RXD2 | 
|  | GPIO111 -   TXD2 | 
|  | GPIO112 -   nCTS2 | 
|  |  | 
|  | UART3 | 
|  | ----- | 
|  | GPIO105 -   nCTS3 | 
|  | GPIO106 -   nRTS3 | 
|  | GPIO107 -   TXD3 | 
|  | GPIO108 -   RXD3 | 
|  |  | 
|  | SSP3    - Leave unconfigured for now... | 
|  | ---- | 
|  | GPIO89  -   SSP3_CLK | 
|  | GPIO90  -   SSP3_SFRM | 
|  | GPIO91  -   SSP3_TXD | 
|  | GPIO92  -   SSP3_RXD | 
|  |  | 
|  | SSP4 | 
|  | GPIO93  -   SSP4_CLK | 
|  | GPIO94  -   SSP4_SFRM | 
|  | GPIO95  -   SSP4_TXD | 
|  | GPIO96  -   SSP4_RXD | 
|  | */ | 
|  |  | 
|  | static mfp_cfg_t mfp_cfg[] __initdata = { | 
|  | /* USB */ | 
|  | GPIO10_UTM_CLK, | 
|  | GPIO49_U2D_PHYDATA_0, | 
|  | GPIO50_U2D_PHYDATA_1, | 
|  | GPIO51_U2D_PHYDATA_2, | 
|  | GPIO52_U2D_PHYDATA_3, | 
|  | GPIO53_U2D_PHYDATA_4, | 
|  | GPIO54_U2D_PHYDATA_5, | 
|  | GPIO55_U2D_PHYDATA_6, | 
|  | GPIO56_U2D_PHYDATA_7, | 
|  | GPIO58_UTM_RXVALID, | 
|  | GPIO59_UTM_RXACTIVE, | 
|  | GPIO60_U2D_RXERROR, | 
|  | GPIO61_U2D_OPMODE0, | 
|  | GPIO62_U2D_OPMODE1, | 
|  | GPIO71_GPIO, /* USBD_INT */ | 
|  | GPIO73_UTM_TXREADY, | 
|  | GPIO83_U2D_TXVALID, | 
|  | GPIO98_U2D_RESET, | 
|  | GPIO99_U2D_XCVR_SEL, | 
|  | GPIO100_U2D_TERM_SEL, | 
|  | GPIO101_U2D_SUSPEND, | 
|  | GPIO102_UTM_LINESTATE_0, | 
|  | GPIO103_UTM_LINESTATE_1, | 
|  | GPIO4_2_GPIO | MFP_PULL_HIGH, /* UTM_PULLUP */ | 
|  |  | 
|  | /* DM9000 */ | 
|  | GPIO1_GPIO, | 
|  | GPIO9_GPIO, | 
|  | GPIO36_GPIO, | 
|  |  | 
|  | /* AC97 */ | 
|  | GPIO35_AC97_SDATA_IN_0, | 
|  | GPIO37_AC97_SDATA_OUT, | 
|  | GPIO38_AC97_SYNC, | 
|  | GPIO39_AC97_BITCLK, | 
|  | GPIO40_AC97_nACRESET, | 
|  |  | 
|  | /* UARTS */ | 
|  | GPIO41_UART1_RXD, | 
|  | GPIO42_UART1_TXD, | 
|  | GPIO43_UART1_CTS, | 
|  | GPIO44_UART1_DCD, | 
|  | GPIO45_UART1_DSR, | 
|  | GPIO46_UART1_RI, | 
|  | GPIO47_UART1_DTR, | 
|  | GPIO48_UART1_RTS, | 
|  |  | 
|  | GPIO109_UART2_RTS, | 
|  | GPIO110_UART2_RXD, | 
|  | GPIO111_UART2_TXD, | 
|  | GPIO112_UART2_CTS, | 
|  |  | 
|  | GPIO105_UART3_CTS, | 
|  | GPIO106_UART3_RTS, | 
|  | GPIO107_UART3_TXD, | 
|  | GPIO108_UART3_RXD, | 
|  |  | 
|  | GPIO78_GPIO, | 
|  | GPIO79_GPIO, | 
|  | GPIO80_GPIO, | 
|  | GPIO81_GPIO, | 
|  |  | 
|  | /* I2C */ | 
|  | GPIO32_I2C_SCL, | 
|  | GPIO33_I2C_SDA, | 
|  |  | 
|  | /* MMC */ | 
|  | GPIO18_MMC1_DAT0, | 
|  | GPIO19_MMC1_DAT1, | 
|  | GPIO20_MMC1_DAT2, | 
|  | GPIO21_MMC1_DAT3, | 
|  | GPIO22_MMC1_CLK, | 
|  | GPIO23_MMC1_CMD, | 
|  | GPIO72_GPIO | MFP_PULL_HIGH, /* Card Detect */ | 
|  | GPIO84_GPIO | MFP_PULL_LOW, /* Write Protect */ | 
|  |  | 
|  | /* IRQ */ | 
|  | GPIO74_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ1 */ | 
|  | GPIO75_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ2 */ | 
|  | GPIO76_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ3 */ | 
|  | GPIO77_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ4 */ | 
|  | GPIO78_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ5 */ | 
|  | GPIO79_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ6 */ | 
|  | GPIO80_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ7 */ | 
|  | GPIO81_GPIO | MFP_LPM_EDGE_RISE  /* EXT_IRQ8 */ | 
|  | }; | 
|  |  | 
|  | /* MMC/MCI Support */ | 
|  | #if defined(CONFIG_MMC) | 
|  | static struct pxamci_platform_data mxm_8x10_mci_platform_data = { | 
|  | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | 
|  | .detect_delay = 1, | 
|  | .gpio_card_detect = MXM_8X10_SD_nCD, | 
|  | .gpio_card_ro = MXM_8X10_SD_WP, | 
|  | .gpio_power = -1 | 
|  | }; | 
|  |  | 
|  | void __init mxm_8x10_mmc_init(void) | 
|  | { | 
|  | pxa_set_mci_info(&mxm_8x10_mci_platform_data); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | /* USB Open Host Controler Interface */ | 
|  | static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = { | 
|  | .port_mode = PMM_NPS_MODE, | 
|  | .flags = ENABLE_PORT_ALL | 
|  | }; | 
|  |  | 
|  | void __init mxm_8x10_usb_host_init(void) | 
|  | { | 
|  | pxa_set_ohci_info(&mxm_8x10_ohci_platform_data); | 
|  | } | 
|  |  | 
|  | /* AC97 Sound Support */ | 
|  | static struct platform_device mxm_8x10_ac97_device = { | 
|  | .name = "pxa2xx-ac97" | 
|  | }; | 
|  |  | 
|  | void __init mxm_8x10_ac97_init(void) | 
|  | { | 
|  | platform_device_register(&mxm_8x10_ac97_device); | 
|  | } | 
|  |  | 
|  | /* NAND flash Support */ | 
|  | #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) | 
|  | #define NAND_BLOCK_SIZE SZ_128K | 
|  | #define NB(x)           (NAND_BLOCK_SIZE * (x)) | 
|  | static struct mtd_partition mxm_8x10_nand_partitions[] = { | 
|  | [0] = { | 
|  | .name = "boot", | 
|  | .size = NB(0x002), | 
|  | .offset = NB(0x000), | 
|  | .mask_flags = MTD_WRITEABLE | 
|  | }, | 
|  | [1] = { | 
|  | .name = "kernel", | 
|  | .size = NB(0x010), | 
|  | .offset = NB(0x002), | 
|  | .mask_flags = MTD_WRITEABLE | 
|  | }, | 
|  | [2] = { | 
|  | .name = "root", | 
|  | .size = NB(0x36c), | 
|  | .offset = NB(0x012) | 
|  | }, | 
|  | [3] = { | 
|  | .name = "bbt", | 
|  | .size = NB(0x082), | 
|  | .offset = NB(0x37e), | 
|  | .mask_flags = MTD_WRITEABLE | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = { | 
|  | .enable_arbiter = 1, | 
|  | .keep_config = 1, | 
|  | .parts = mxm_8x10_nand_partitions, | 
|  | .nr_parts = ARRAY_SIZE(mxm_8x10_nand_partitions) | 
|  | }; | 
|  |  | 
|  | static void __init mxm_8x10_nand_init(void) | 
|  | { | 
|  | pxa3xx_set_nand_info(&mxm_8x10_nand_info); | 
|  | } | 
|  | #else | 
|  | static inline void mxm_8x10_nand_init(void) {} | 
|  | #endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */ | 
|  |  | 
|  | /* Ethernet support: Davicom DM9000 */ | 
|  | static struct resource dm9k_resources[] = { | 
|  | [0] = { | 
|  | .start = MXM_8X10_ETH_PHYS + 0x300, | 
|  | .end = MXM_8X10_ETH_PHYS + 0x300, | 
|  | .flags = IORESOURCE_MEM | 
|  | }, | 
|  | [1] = { | 
|  | .start = MXM_8X10_ETH_PHYS + 0x308, | 
|  | .end = MXM_8X10_ETH_PHYS + 0x308, | 
|  | .flags = IORESOURCE_MEM | 
|  | }, | 
|  | [2] = { | 
|  | .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)), | 
|  | .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)), | 
|  | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | 
|  | } | 
|  | }; | 
|  |  | 
|  | static struct dm9000_plat_data dm9k_plat_data = { | 
|  | .flags = DM9000_PLATF_16BITONLY | 
|  | }; | 
|  |  | 
|  | static struct platform_device dm9k_device = { | 
|  | .name = "dm9000", | 
|  | .id = 0, | 
|  | .num_resources = ARRAY_SIZE(dm9k_resources), | 
|  | .resource = dm9k_resources, | 
|  | .dev = { | 
|  | .platform_data = &dm9k_plat_data | 
|  | } | 
|  | }; | 
|  |  | 
|  | static void __init mxm_8x10_ethernet_init(void) | 
|  | { | 
|  | platform_device_register(&dm9k_device); | 
|  | } | 
|  |  | 
|  | /* PXA UARTs */ | 
|  | static void __init mxm_8x10_uarts_init(void) | 
|  | { | 
|  | pxa_set_ffuart_info(NULL); | 
|  | pxa_set_btuart_info(NULL); | 
|  | pxa_set_stuart_info(NULL); | 
|  | } | 
|  |  | 
|  | /* I2C and Real Time Clock */ | 
|  | static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = { | 
|  | { | 
|  | I2C_BOARD_INFO("ds1337", 0x68) | 
|  | } | 
|  | }; | 
|  |  | 
|  | static void __init mxm_8x10_i2c_init(void) | 
|  | { | 
|  | i2c_register_board_info(0, mxm_8x10_i2c_devices, | 
|  | ARRAY_SIZE(mxm_8x10_i2c_devices)); | 
|  | pxa_set_i2c_info(NULL); | 
|  | } | 
|  |  | 
|  | void __init mxm_8x10_barebones_init(void) | 
|  | { | 
|  | pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg)); | 
|  |  | 
|  | mxm_8x10_uarts_init(); | 
|  | mxm_8x10_nand_init(); | 
|  | mxm_8x10_i2c_init(); | 
|  | mxm_8x10_ethernet_init(); | 
|  | } |