mirror of https://gitee.com/openkylin/linux.git
475 lines
10 KiB
C
475 lines
10 KiB
C
/*
|
|
* 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 <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_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,
|
|
.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();
|
|
}
|