diff options
Diffstat (limited to 'kernel/arch/arm/mach-pxa/mxm8x10.c')
| -rw-r--r-- | kernel/arch/arm/mach-pxa/mxm8x10.c | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-pxa/mxm8x10.c b/kernel/arch/arm/mach-pxa/mxm8x10.c new file mode 100644 index 000000000..d04ed4961 --- /dev/null +++ b/kernel/arch/arm/mach-pxa/mxm8x10.c @@ -0,0 +1,475 @@ +/* + * 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 <linux/i2c/pxa-i2c.h> + +#include <linux/platform_data/mtd-nand-pxa3xx.h> + +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/usb-ohci-pxa27x.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_ms = 10, + .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 Controller 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, + .num_cs = 1, + .parts[0] = mxm_8x10_nand_partitions, + .nr_parts[0] = 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 = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO9)), + .end = PXA_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(); +} |