G900 support
This commit is contained in:
Angell Fear
702
kernel-2.6.33/arch/arm/mach-pxa/g900/g900.c
Normal file
702
kernel-2.6.33/arch/arm/mach-pxa/g900/g900.c
Normal file
@@ -0,0 +1,702 @@
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/**
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*
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* Hardware definitions for the Toshiba G900
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*
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* Most of initial work (FB, MMC, keyboard) was done by
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* "El Tuba" <tuba.linux@gmail.com>
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* and
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* LeStat (Eugene Nikitin).
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*
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* Use consistent with the GNU GPL is permitted,
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* provided that this copyright notice is
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* preserved in its entirety in all copies and derived works.
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* Based on Asus P535 Android port.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/ioport.h>
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/delay.h>
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#include <linux/spi/spi.h>
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#include <linux/i2c.h>
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#include <linux/gpio_keys.h>
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#include <linux/pda_power.h>
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//#include <linux/mtd/mtd.h>
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//#include <linux/mtd/map.h>
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//#include <linux/mtd/partitions.h>
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//#include <linux/mtd/physmap.h>
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#include <asm/gpio.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/flash.h>
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#include <mach/mfp-pxa27x.h>
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#include <mach/pxa2xx-regs.h>
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#include <plat/i2c.h>
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#include <mach/mmc.h>
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#include <mach/udc.h>
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#include <mach/audio.h>
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#include <mach/regs-ac97.h>
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#include <mach/ohci.h>
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#include <linux/usb/gpio_vbus.h>
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//#include <mach/g900-init.h>
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#include <mach/g900-gpio.h>
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#include <mach/gpio.h>
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#include <mach/ssp.h>
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#include <mach/pxa2xx_spi.h>
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#include <linux/i2c/ak4183.h>
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#include <linux/spi/libertas_spi.h>
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#include <asm/setup.h>
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#include "../generic.h"
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#include "../devices.h"
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#define G900_CFG_IN(pin, af) \
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((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK)) |\
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(MFP_PIN(pin) | MFP_##af | MFP_DIR_IN))
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#define G900_CFG_OUT(pin, af, state) \
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((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DIR_MASK | MFP_LPM_STATE_MASK)) |\
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(MFP_PIN(pin) | MFP_##af | MFP_DIR_OUT | MFP_LPM_##state))
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/* Devices */
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#define G900_PARENT_DEV(var, strname, tparent, pdata) \
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static struct platform_device var = { \
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.name = strname, \
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.id = -1, \
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.dev = { \
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.platform_data = pdata, \
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.parent = tparent, \
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}, \
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};
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#define G900_SIMPLE_DEV(var, strname, pdata) \
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G900_PARENT_DEV(var, strname, NULL, pdata)
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static unsigned long g900_pin_config[] __initdata = {
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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/* Sound */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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GPIO89_AC97_SYSCLK,
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GPIO113_AC97_nRESET,
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/* USB Host Port & otg */
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G900_CFG_IN(GPIO40_nUSB_DETECT, AF0),
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GPIO41_USB_P2_7,
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G900_CFG_OUT(GPIO75_USB_ENABLE, AF0, DRIVE_LOW),
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G900_CFG_OUT(GPIO93_USB_ENABLE, AF0, DRIVE_LOW),
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/*
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d+ = USBC_P(B 22)
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d- = USBC_N(C 20)
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*/
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/* Synchronous Serial Port 2 (FinderPrint sensor)*/
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GPIO87_SSP2_TXD,
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GPIO11_SSP2_RXD,
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GPIO19_SSP2_SCLK,
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GPIO88_SSP2_SFRM,
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GPIO96_GPIO, /* FinderPrint IRQ*/
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/* Synchronous Serial Port 3 (WI-FI)*/
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GPIO38_SSP3_TXD,
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GPIO82_SSP3_RXD,
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//GPIO34_GPIO, /* SSP3 clock is used as GPIO for Libertas pin-strap */
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GPIO34_SSP3_SCLK,
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GPIO14_GPIO, /* wlan IRQ */
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GPIO24_GPIO, /* WLAN reset */
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GPIO77_GPIO, /* WLAN power */
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GPIO39_GPIO, /* WLAN cs */
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/* BTUART */
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GPIO42_BTUART_RXD,
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GPIO43_BTUART_TXD,
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GPIO44_BTUART_CTS,
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GPIO45_BTUART_RTS,
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/* Leds
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G900_CFG_OUT(GPIO16_LED_nVibra, AF0, DRIVE_HIGH), // or should be GPIO16_PWM0_OUT ?
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G900_CFG_OUT(GPIO37_LED_nFlash, AF0, DRIVE_HIGH), // it can't be GPIO37_USB_P2_8 ?
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G900_CFG_OUT(GPIO85_LED_nKeyboard, AF0, DRIVE_HIGH),
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G900_CFG_OUT(GPIO86_LED_nKeypad, AF0, DRIVE_HIGH),
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*/
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/* Lcd backlight */
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GPIO17_PWM1_OUT,
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/* I2C */
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GPIO117_I2C_SCL,
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GPIO118_I2C_SDA,
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/* TS */
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G900_CFG_IN(GPIO_TS_IRQ, AF0),
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/* HZ */
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GPIO33_nCS_5,
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GPIO80_nCS_4,
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GPIO78_nCS_2,
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/* Variable Latency I/O Ready Pin */
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/* An external variable-latency I/O (VLIO) device asserts RDY when it is ready to transfer data. */
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GPIO18_RDY,
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/* PC Card Write Enable */
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/* Enables writes to PC Card memory and PC Card attribute space. Also serves as the write enable signal for variable-latency I/O. */
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GPIO49_nPWE,
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/* DMA Request 0 */
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/* DMA request from an external companion chip. */
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GPIO20_DREQ_0,
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G900_CFG_IN(0, AF0),
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/* testing */
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/*
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GPIO15_nPCE_1 // GF in FE
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GPIO50_nPIOR // mb
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GPIO48_nPOE // mb
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GPIO57_nIOIS16 // mb 1 = Data bus is 16 bits wide
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GPIO79_PSKTSEL //mb
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GPIO46_STUART_RXD, // STD_UART receive data
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GPIO47_STUART_TXD, // STD_UART transmit data
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*/
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};
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/***********************************************/
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/****** TouchScreen for AK4183 Device ********/
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/***********************************************/
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static int ts_get_pendown_state(void)
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{
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//printk(KERN_INFO "\t >>> %s <<< \n", __FUNCTION__);
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return !gpio_get_value(GPIO_TS_IRQ);
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}
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static int ts_init(void)
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{
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if (gpio_request(GPIO_TS_IRQ, "AK4183 pendown") < 0)
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{
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printk(KERN_ERR "AK4183 TS: can't get AK4183 pen down GPIO\n");
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}
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return 0;
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}
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struct ak4183_platform_data ak4183_info = {
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.model = 4183,
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.get_pendown_state = ts_get_pendown_state,
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.init_platform_hw = ts_init,
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.x_plate_ohms = 8000,
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// .clear_penirq = true,
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};
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static struct i2c_board_info __initdata g900_i2c_board_info[] = {
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{
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I2C_BOARD_INFO("ak4183", 0x48),
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.type = "ak4183",
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.platform_data = &ak4183_info,
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.irq = gpio_to_irq(GPIO_TS_IRQ),
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},
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};
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/***********************************************/
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/****************** I2C *******************/
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/***********************************************/
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struct i2c_pxa_platform_data i2c_pdata = {
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.fast_mode = 1,
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};
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static void __init g900_i2c_init(void)
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{
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pxa_set_i2c_info(&i2c_pdata);
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i2c_register_board_info(0, ARRAY_AND_SIZE(g900_i2c_board_info));
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}
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/***********************************************/
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/****************** SD & MMC card **************/
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/***********************************************/
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static struct pxamci_platform_data g900_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.gpio_card_ro = -1,
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.gpio_power = GPIO_G900_SD_POWER,
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.gpio_card_detect = GPIO_G900_SD_DETECT,
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};
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static void __init g900_mmc_init(void)
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{
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pxa_set_mci_info(&g900_mci_platform_data);
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}
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/***********************************************/
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/****************** USB bus pxa **************/
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/***********************************************/
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/******************************************************************************
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* USB host
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******************************************************************************/
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/* // stass
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static struct pxaohci_platform_data g900_ohci_platform_data = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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// .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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};
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*/
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/* // angell
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static struct pxaohci_platform_data g900_ohci_platform_data = {
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.port_mode = PMM_PERPORT_MODE,
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//.init = g900_ohci_init,
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.power_on_delay = 11,
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.flags = ENABLE_PORT1 | POWER_CONTROL_LOW | OC_MODE_PERPORT ,
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.power_budget = 100,
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};
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*/
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static struct pxaohci_platform_data g900_ohci_platform_data = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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//.flags = ENABLE_PORT2 | OC_MODE_PERPORT |POWER_CONTROL_LOW ,
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.power_on_delay = 0x08,
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.power_budget = 501,
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};
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/*
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UHCHR : 0x00000084 = 00000000 00000000 00000000 10000100
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UHCRHDA : 0x04000b02 = 00000100 00000000 00001011 00000010
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uhcrhda : 0x04001102 = 00000100 00000000 00001011 00000010
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[ 494.474134] uhchr: 0x00000084
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[ 494.484948] uhcrhda: 0x04000902
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[ 494.495882] pxa27x_setup_hc write
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[ 494.506884] uhchr: 0x00000084
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[ 494.518029] uhcrhda: 0x04000902
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[ 494.529259] pxa27x_ohci_select_pmm read(mode = 3)
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[ 494.540759] uhcrhda: 0x04000902
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[ 494.552272] uhcrhdb: 0x00000000
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[ 494.563518] pxa27x_ohci_select_pmm write
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[ 494.574646] uhcrhda: 0x04000b02
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[
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*/
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/******************************************************************************
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* USB Gadget (UDC)
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******************************************************************************/
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static struct pxa2xx_udc_mach_info g900_udc_info __initdata = {
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// .udc_is_connected = is_usb_connected,
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.gpio_vbus = GPIO40_nUSB_DETECT,
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// .gpio_vbus = GPIO41_USB_P2_7,
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// .gpio_pullup = GPIO93_USB_ENABLE,
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.gpio_pullup = GPIO75_USB_ENABLE,
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// .udc_command = g900_udc_command,
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};
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struct gpio_vbus_mach_info gpio_vbus_data = {
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.gpio_vbus = GPIO40_nUSB_DETECT,
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.gpio_vbus_inverted = 1,
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.gpio_pullup = -1,
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};
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static void __init usb_init(void)
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{
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printk(KERN_INFO "pxa_set_ohci_info\n");
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pxa_set_ohci_info(&g900_ohci_platform_data);
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printk(KERN_INFO "pxa_set_udc_info\n");
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pxa_set_udc_info(&g900_udc_info);
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}
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/***********************************************/
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/****************** SPI Device *****************/
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/***********************************************/
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static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
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.num_chipselect = 1,
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};
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static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
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.num_chipselect = 1,
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.enable_dma = 1,
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// .clock_enable = CKEN_SSP3,
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};
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static struct pxa2xx_spi_chip gspi8385_info = {
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.rx_threshold = 1,
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.tx_threshold = 1,
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.timeout = 1000,
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.gpio_cs = G900_WIFI_CS,
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};
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static unsigned long g900_libertas_pin_config[] = {
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// SSP3 //
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GPIO34_SSP3_SCLK,
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// GPIO39_GPIO, /// wifi_cs ///
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GPIO38_SSP3_TXD,
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GPIO82_SSP3_RXD,
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};
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static int g900_libertas_setup(struct spi_device *spi)
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{
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int err = 0 ;
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err = gpio_request(G900_WIFI_STRAP, "WLAN STRAP");
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//if (err) return err;
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err = gpio_request(G900_WIFI_RESET, "WLAN RST");
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//if (err) goto err_free_strap;
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err = gpio_direction_output(G900_WIFI_STRAP, 0);
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err = gpio_direction_output(G900_WIFI_RESET, 0);
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//if (err) goto err_free_strap;
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msleep(300);
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err = gpio_direction_output(G900_WIFI_STRAP, 1);
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//if (err) goto err_free_strap;
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msleep(100);
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pxa2xx_mfp_config(ARRAY_AND_SIZE(g900_libertas_pin_config));
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gpio_set_value(G900_WIFI_RESET, 1);
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msleep(100);
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spi->bits_per_word = 16;
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spi_setup(spi);
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return 0;
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/*err_free_strap:
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gpio_free(G900_WIFI_STRAP);
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*/
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return err;
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}
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static int g900_libertas_teardown(struct spi_device *spi)
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{
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gpio_set_value(G900_WIFI_RESET, 0);
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gpio_set_value(G900_WIFI_STRAP, 0);
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gpio_free(G900_WIFI_RESET);
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gpio_free(G900_WIFI_STRAP);
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return 0;
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}
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struct libertas_spi_platform_data g900_libertas_pdata = {
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.use_dummy_writes = 1,
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.setup = g900_libertas_setup,
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.teardown = g900_libertas_teardown,
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};
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static struct spi_board_info g900_spi_devices[] __initdata = {
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{
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.modalias = "libertas_spi",
|
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.max_speed_hz = 13000000,
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.bus_num = 3,
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.irq = gpio_to_irq(G900_WIFI_IRQ),
|
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.chip_select = 0,
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.platform_data = &g900_libertas_pdata,
|
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.controller_data = &gspi8385_info,
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||||
},
|
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{
|
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.modalias = "finderprint_sensor",
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.max_speed_hz = 13000000,
|
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.bus_num = 2,
|
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.irq = gpio_to_irq(FP_IRQ),
|
||||
.chip_select = 0,
|
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//.platform_data = &,
|
||||
//.controller_data = &,
|
||||
},
|
||||
|
||||
};
|
||||
|
||||
|
||||
|
||||
static void __init spi_init(void)
|
||||
{
|
||||
pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info); /* finderprint */
|
||||
pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info); /* wifi*/
|
||||
spi_register_board_info(g900_spi_devices, ARRAY_SIZE(g900_spi_devices));
|
||||
}
|
||||
|
||||
|
||||
/* DEBUG */
|
||||
|
||||
static void __init debuging(void)
|
||||
{
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* reset_bluetooth() reset the bluecore to ensure consistent state
|
||||
**/
|
||||
/*
|
||||
static int g900_reset_bluetooth(void)
|
||||
{
|
||||
|
||||
int err;
|
||||
err = gpio_request(G900_BT_RESET, "G900_BT_RESET");
|
||||
if (err) {
|
||||
printk(KERN_ERR "Could not get gpio for bluetooth reset \n");
|
||||
return err;
|
||||
}
|
||||
err = gpio_request(G900_BT_POWER, "G900_BT_POWER");
|
||||
if (err) {
|
||||
printk(KERN_ERR "Could not get gpio for bluetooth power \n");
|
||||
return err;
|
||||
}
|
||||
gpio_direction_output(G900_BT_POWER, 1);
|
||||
mdelay(5);
|
||||
// now reset it - 5 msec minimum
|
||||
gpio_set_value(G900_BT_RESET, 0);
|
||||
mdelay(10);
|
||||
gpio_direction_input(G900_BT_RESET);
|
||||
|
||||
gpio_free(G900_BT_RESET);
|
||||
gpio_free(G900_BT_POWER);
|
||||
|
||||
|
||||
printk(KERN_INFO "Bluetooth: reset done\n");
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
static int wifi_power(void)
|
||||
{
|
||||
|
||||
int err;
|
||||
err = gpio_request(G900_WIFI_RESET, "G900_WIFI_RESET");
|
||||
if (err) {
|
||||
printk(KERN_ERR "Could not get gpio for WIFI power \n");
|
||||
return err;
|
||||
}
|
||||
gpio_direction_output(G900_WIFI_RESET, 1);
|
||||
mdelay(200);
|
||||
gpio_free(G900_WIFI_RESET);
|
||||
printk("WIFI power set on");
|
||||
return 0;
|
||||
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
|
||||
/***********************************************/
|
||||
/****************** Device *********************/
|
||||
/***********************************************/
|
||||
|
||||
static struct platform_device g900_ts = {
|
||||
.name = "g900-ts",
|
||||
};
|
||||
|
||||
static struct platform_device g900_keyboard = {
|
||||
.name = "g900-keyboard",
|
||||
};
|
||||
|
||||
static struct platform_device g900_button = {
|
||||
.name = "g900-button",
|
||||
};
|
||||
|
||||
|
||||
static struct platform_device g900_sound = {
|
||||
.name = "g900-wm9714",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = NULL,
|
||||
.parent = NULL,
|
||||
},
|
||||
};
|
||||
|
||||
static struct platform_device pxa2xx_pcm = {
|
||||
.name = "pxa2xx-pcm",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = NULL,
|
||||
.parent = NULL,
|
||||
},
|
||||
};
|
||||
#if 0
|
||||
static struct platform_device wm9713_codec =
|
||||
{
|
||||
.name = "wm9713-codec",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = NULL,
|
||||
.parent = &pxa2xx_ac97.dev,
|
||||
},
|
||||
};
|
||||
#endif
|
||||
static struct platform_device *g900_devices[] __initdata = {
|
||||
&g900_keyboard,
|
||||
&g900_button,
|
||||
&g900_ts,
|
||||
&pxa2xx_pcm,
|
||||
&g900_sound,
|
||||
};
|
||||
|
||||
static void __init g900_map_io(void)
|
||||
{
|
||||
pxa_map_io();
|
||||
}
|
||||
|
||||
static void __init g900_init_irq(void)
|
||||
{
|
||||
pxa27x_init_irq();
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void fix_msc(void)
|
||||
{
|
||||
/*
|
||||
* Localbus setup:
|
||||
* CS0: ;
|
||||
* CS1: ;
|
||||
* CS5: gsm.
|
||||
*/
|
||||
MSC0 = 0x7ff09888;
|
||||
MSC1 = 0x000089c4;
|
||||
MSC2 = 0x5ff95ff9;
|
||||
MDREFR = 0x2013a01e;
|
||||
}
|
||||
|
||||
|
||||
static void __init g900_init(void)
|
||||
{
|
||||
|
||||
/* disable primary codec interrupt to prevent WM9714 constantly
|
||||
* interrupting the CPU and preventing the boot process to complete
|
||||
*/
|
||||
GCR |= GCR_ACLINK_OFF;
|
||||
|
||||
fix_msc();
|
||||
|
||||
|
||||
pxa2xx_mfp_config(ARRAY_AND_SIZE(g900_pin_config));
|
||||
g900_mmc_init();
|
||||
|
||||
pxa_set_btuart_info(NULL);
|
||||
|
||||
pxa_set_ac97_info(NULL);
|
||||
|
||||
g900_i2c_init();
|
||||
spi_init();
|
||||
usb_init();
|
||||
debuging();
|
||||
platform_add_devices(ARRAY_AND_SIZE(g900_devices));
|
||||
|
||||
|
||||
// reset bluetooth
|
||||
//g900_reset_bluetooth();
|
||||
//wifi_power();
|
||||
}
|
||||
#if 0
|
||||
void __init g900_fixup(struct machine_desc *desc,
|
||||
struct tag *tags, char **cmdline, struct meminfo *mi)
|
||||
{
|
||||
//sharpsl_save_param();
|
||||
mi->nr_banks=2;
|
||||
mi->bank[0].start = 0xa0000000;
|
||||
mi->bank[0].node = 0;
|
||||
mi->bank[0].size = (64*1024*1024);
|
||||
mi->bank[1].start = 0xb0000000;
|
||||
mi->bank[1].node = 1;
|
||||
mi->bank[1].size = (64*1024*1024);
|
||||
|
||||
|
||||
}
|
||||
#endif
|
||||
|
||||
MACHINE_START(G900, "Toshiba G900")
|
||||
|
||||
.phys_io = 0x40000000,
|
||||
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
||||
.boot_params = 0xa0000100,
|
||||
// .fixup = g900_fixup,
|
||||
.map_io = g900_map_io,
|
||||
.init_irq = g900_init_irq,
|
||||
.timer = &pxa_timer,
|
||||
.init_machine = g900_init,
|
||||
MACHINE_END
|
||||
Reference in New Issue
Block a user