[ARM] pxa: Stargate 2 board support
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Jonathan Cameron
Eric Miao
parent
fc9c1b6fc8
commit
4036e1dea5
4 changed files with 804 additions and 1 deletions
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@ -51,6 +51,12 @@ config MACH_INTELMOTE2
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select IWMMXT
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select PXA_HAVE_BOARD_IRQS
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config MACH_STARGATE2
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bool "Intel Stargate 2 Platform"
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select PXA27x
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select IWMMXT
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select PXA_HAVE_BOARD_IRQS
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config ARCH_LUBBOCK
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bool "Intel DBPXA250 Development Platform"
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select PXA25x
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@ -78,6 +78,7 @@ obj-$(CONFIG_MACH_CM_X300) += cm-x300.o
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obj-$(CONFIG_PXA_EZX) += ezx.o
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obj-$(CONFIG_MACH_INTELMOTE2) += imote2.o
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obj-$(CONFIG_MACH_STARGATE2) += stargate2.o
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obj-$(CONFIG_MACH_CSB726) += csb726.o
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obj-$(CONFIG_CSB726_CSB701) += csb701.o
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@ -36,7 +36,7 @@ static inline void flush(void)
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static inline void arch_decomp_setup(void)
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{
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if (machine_is_littleton() || machine_is_intelmote2()
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|| machine_is_csb726())
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|| machine_is_csb726() || machine_is_stargate2())
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UART = STUART;
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}
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796
arch/arm/mach-pxa/stargate2.c
Normal file
796
arch/arm/mach-pxa/stargate2.c
Normal file
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@ -0,0 +1,796 @@
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/*
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* linux/arch/arm/mach-pxa/stargate2.c
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*
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* Author: Ed C. Epp
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* Created: Nov 05, 2002
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* Copyright: Intel Corp.
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*
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* Modified 2009: Jonathan Cameron <jic23@cam.ac.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/bitops.h>
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#include <linux/fb.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/machine.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/plat-ram.h>
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#include <linux/mtd/partitions.h>
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#include <linux/i2c/pcf857x.h>
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#include <linux/i2c/at24.h>
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#include <linux/smc91x.h>
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#include <linux/gpio.h>
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#include <asm/types.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <asm/mach-types.h>
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#include <asm/irq.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/irq.h>
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#include <asm/mach/flash.h>
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#include <mach/pxa27x.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/pxa2xx_spi.h>
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#include <mach/pxa27x-udc.h>
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#include <linux/spi/spi.h>
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#include <linux/mfd/da903x.h>
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#include <linux/sht15.h>
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#include "devices.h"
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#include "generic.h"
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/* Bluetooth */
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#define SG2_BT_RESET 81
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/* SD */
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#define SG2_GPIO_nSD_DETECT 90
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#define SG2_SD_POWER_ENABLE 89
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static unsigned long stargate2_pin_config[] __initdata = {
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GPIO15_nCS_1, /* SRAM */
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/* SMC91x */
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GPIO80_nCS_4,
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GPIO40_GPIO, /*cable detect?*/
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/* Device Identification for wakeup*/
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GPIO102_GPIO,
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/* Button */
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GPIO91_GPIO | WAKEUP_ON_LEVEL_HIGH,
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/* DA9030 */
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GPIO1_GPIO,
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/* Compact Flash */
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GPIO79_PSKTSEL,
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GPIO48_nPOE,
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GPIO49_nPWE,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO85_nPCE_1,
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GPIO54_nPCE_2,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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GPIO120_GPIO, /* Buff ctrl */
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GPIO108_GPIO, /* Power ctrl */
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GPIO82_GPIO, /* Reset */
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GPIO53_GPIO, /* SG2_S0_GPIO_DETECT */
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO112_MMC_CMD,
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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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GPIO90_GPIO, /* nSD detect */
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GPIO89_GPIO, /* SD_POWER_ENABLE */
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/* Bluetooth */
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GPIO81_GPIO, /* reset */
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/* cc2420 802.15.4 radio */
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GPIO22_GPIO, /* CC_RSTN (out)*/
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GPIO114_GPIO, /* CC_FIFO (in) */
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GPIO116_GPIO, /* CC_CCA (in) */
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GPIO0_GPIO, /* CC_FIFOP (in) */
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GPIO16_GPIO, /* CCSFD (in) */
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GPIO39_GPIO, /* CSn (out) */
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/* I2C */
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GPIO117_I2C_SCL,
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GPIO118_I2C_SDA,
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/* SSP 3 - 802.15.4 radio */
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GPIO39_GPIO, /* chip select */
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GPIO34_SSP3_SCLK,
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GPIO35_SSP3_TXD,
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GPIO41_SSP3_RXD,
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/* SSP 2 */
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GPIO11_SSP2_RXD,
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GPIO38_SSP2_TXD,
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GPIO36_SSP2_SCLK,
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GPIO37_GPIO, /* chip select */
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/* SSP 1 */
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GPIO26_SSP1_RXD,
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GPIO25_SSP1_TXD,
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GPIO23_SSP1_SCLK,
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GPIO24_GPIO, /* chip select */
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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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/* STUART */
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GPIO46_STUART_RXD,
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GPIO47_STUART_TXD,
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/* Basic sensor board */
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GPIO96_GPIO, /* accelerometer interrupt */
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GPIO99_GPIO, /* ADC interrupt */
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/* Connector pins specified as gpios */
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GPIO94_GPIO, /* large basic connector pin 14 */
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GPIO10_GPIO, /* large basic connector pin 23 */
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/* SHT15 */
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GPIO100_GPIO,
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GPIO98_GPIO,
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};
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/**
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* stargate2_reset_bluetooth() reset the bluecore to ensure consistent state
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**/
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static int stargate2_reset_bluetooth(void)
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{
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int err;
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err = gpio_request(SG2_BT_RESET, "SG2_BT_RESET");
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if (err) {
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printk(KERN_ERR "Could not get gpio for bluetooth reset \n");
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return err;
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}
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gpio_direction_output(SG2_BT_RESET, 1);
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mdelay(5);
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/* now reset it - 5 msec minimum */
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gpio_set_value(SG2_BT_RESET, 0);
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mdelay(10);
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gpio_set_value(SG2_BT_RESET, 1);
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gpio_free(SG2_BT_RESET);
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return 0;
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}
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static struct led_info stargate2_leds[] = {
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{
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.name = "sg2:red",
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.flags = DA9030_LED_RATE_ON,
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}, {
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.name = "sg2:blue",
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.flags = DA9030_LED_RATE_ON,
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}, {
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.name = "sg2:green",
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.flags = DA9030_LED_RATE_ON,
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},
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};
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static struct sht15_platform_data platform_data_sht15 = {
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.gpio_data = 100,
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.gpio_sck = 98,
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};
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static struct platform_device sht15 = {
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.name = "sht15",
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.id = -1,
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.dev = {
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.platform_data = &platform_data_sht15,
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},
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};
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static struct regulator_consumer_supply stargate2_sensor_3_con[] = {
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{
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.dev = &sht15.dev,
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.supply = "vcc",
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},
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};
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enum stargate2_ldos{
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vcc_vref,
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vcc_cc2420,
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/* a mote connector? */
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vcc_mica,
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/* the CSR bluecore chip */
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vcc_bt,
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/* The two voltages available to sensor boards */
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vcc_sensor_1_8,
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vcc_sensor_3,
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/* directly connected to the pxa27x */
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vcc_sram_ext,
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vcc_pxa_pll,
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vcc_pxa_usim, /* Reference voltage for certain gpios */
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vcc_pxa_mem,
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vcc_pxa_flash,
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vcc_pxa_core, /*Dc-Dc buck not yet supported */
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vcc_lcd,
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vcc_bb,
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vcc_bbio, /*not sure!*/
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vcc_io, /* cc2420 802.15.4 radio and pxa vcc_io ?*/
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};
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/* The values of the various regulator constraints are obviously dependent
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* on exactly what is wired to each ldo. Unfortunately this information is
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* not generally available. More information has been requested from Xbow.
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*/
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static struct regulator_init_data stargate2_ldo_init_data[] = {
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[vcc_bbio] = {
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.constraints = { /* board default 1.8V */
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.name = "vcc_bbio",
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.min_uV = 1800000,
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.max_uV = 1800000,
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},
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},
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[vcc_bb] = {
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.constraints = { /* board default 2.8V */
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.name = "vcc_bb",
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.min_uV = 2700000,
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.max_uV = 3000000,
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},
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},
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[vcc_pxa_flash] = {
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.constraints = {/* default is 1.8V */
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.name = "vcc_pxa_flash",
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.min_uV = 1800000,
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.max_uV = 1800000,
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},
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},
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[vcc_cc2420] = { /* also vcc_io */
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.constraints = {
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/* board default is 2.8V */
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.name = "vcc_cc2420",
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.min_uV = 2700000,
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.max_uV = 3300000,
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},
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},
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[vcc_vref] = { /* Reference for what? */
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.constraints = { /* default 1.8V */
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.name = "vcc_vref",
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.min_uV = 1800000,
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.max_uV = 1800000,
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},
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},
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[vcc_sram_ext] = {
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.constraints = { /* default 2.8V */
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.name = "vcc_sram_ext",
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.min_uV = 2800000,
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.max_uV = 2800000,
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},
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},
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[vcc_mica] = {
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.constraints = { /* default 2.8V */
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.name = "vcc_mica",
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.min_uV = 2800000,
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.max_uV = 2800000,
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},
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},
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[vcc_bt] = {
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.constraints = { /* default 2.8V */
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.name = "vcc_bt",
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.min_uV = 2800000,
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.max_uV = 2800000,
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},
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},
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[vcc_lcd] = {
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.constraints = { /* default 2.8V */
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.name = "vcc_lcd",
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.min_uV = 2700000,
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.max_uV = 3300000,
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},
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},
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[vcc_io] = { /* Same or higher than everything
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* bar vccbat and vccusb */
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.constraints = { /* default 2.8V */
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.name = "vcc_io",
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.min_uV = 2692000,
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.max_uV = 3300000,
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},
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},
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[vcc_sensor_1_8] = {
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.constraints = { /* default 1.8V */
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.name = "vcc_sensor_1_8",
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.min_uV = 1800000,
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.max_uV = 1800000,
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},
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},
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[vcc_sensor_3] = { /* curiously default 2.8V */
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.constraints = {
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.name = "vcc_sensor_3",
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.min_uV = 2800000,
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.max_uV = 3000000,
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},
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.num_consumer_supplies = ARRAY_SIZE(stargate2_sensor_3_con),
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.consumer_supplies = stargate2_sensor_3_con,
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},
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[vcc_pxa_pll] = { /* 1.17V - 1.43V, default 1.3V*/
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.constraints = {
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.name = "vcc_pxa_pll",
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.min_uV = 1170000,
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.max_uV = 1430000,
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},
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},
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[vcc_pxa_usim] = {
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.constraints = { /* default 1.8V */
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.name = "vcc_pxa_usim",
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.min_uV = 1710000,
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.max_uV = 2160000,
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},
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},
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[vcc_pxa_mem] = {
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.constraints = { /* default 1.8V */
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.name = "vcc_pxa_mem",
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.min_uV = 1800000,
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.max_uV = 1800000,
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},
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},
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};
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static struct da903x_subdev_info stargate2_da9030_subdevs[] = {
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{
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.name = "da903x-led",
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.id = DA9030_ID_LED_2,
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.platform_data = &stargate2_leds[0],
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}, {
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.name = "da903x-led",
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.id = DA9030_ID_LED_3,
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.platform_data = &stargate2_leds[2],
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}, {
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.name = "da903x-led",
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.id = DA9030_ID_LED_4,
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.platform_data = &stargate2_leds[1],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO2,
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.platform_data = &stargate2_ldo_init_data[vcc_bbio],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO3,
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.platform_data = &stargate2_ldo_init_data[vcc_bb],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO4,
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.platform_data = &stargate2_ldo_init_data[vcc_pxa_flash],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO5,
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.platform_data = &stargate2_ldo_init_data[vcc_cc2420],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO6,
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.platform_data = &stargate2_ldo_init_data[vcc_vref],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO7,
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.platform_data = &stargate2_ldo_init_data[vcc_sram_ext],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO8,
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.platform_data = &stargate2_ldo_init_data[vcc_mica],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO9,
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.platform_data = &stargate2_ldo_init_data[vcc_bt],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO10,
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.platform_data = &stargate2_ldo_init_data[vcc_sensor_1_8],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO11,
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.platform_data = &stargate2_ldo_init_data[vcc_sensor_3],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO12,
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.platform_data = &stargate2_ldo_init_data[vcc_lcd],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO15,
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.platform_data = &stargate2_ldo_init_data[vcc_pxa_pll],
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}, {
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.name = "da903x-regulator",
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.id = DA9030_ID_LDO17,
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.platform_data = &stargate2_ldo_init_data[vcc_pxa_usim],
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}, {
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.name = "da903x-regulator", /*pxa vcc i/o and cc2420 vcc i/o */
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.id = DA9030_ID_LDO18,
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.platform_data = &stargate2_ldo_init_data[vcc_io],
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||||
}, {
|
||||
.name = "da903x-regulator",
|
||||
.id = DA9030_ID_LDO19,
|
||||
.platform_data = &stargate2_ldo_init_data[vcc_pxa_mem],
|
||||
},
|
||||
};
|
||||
|
||||
static struct da903x_platform_data stargate2_da9030_pdata = {
|
||||
.num_subdevs = ARRAY_SIZE(stargate2_da9030_subdevs),
|
||||
.subdevs = stargate2_da9030_subdevs,
|
||||
};
|
||||
|
||||
static struct resource smc91x_resources[] = {
|
||||
[0] = {
|
||||
.name = "smc91x-regs",
|
||||
.start = (PXA_CS4_PHYS + 0x300),
|
||||
.end = (PXA_CS4_PHYS + 0xfffff),
|
||||
.flags = IORESOURCE_MEM,
|
||||
},
|
||||
[1] = {
|
||||
.start = IRQ_GPIO(40),
|
||||
.end = IRQ_GPIO(40),
|
||||
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
|
||||
}
|
||||
};
|
||||
|
||||
static struct smc91x_platdata stargate2_smc91x_info = {
|
||||
.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT
|
||||
| SMC91X_NOWAIT | SMC91X_USE_DMA,
|
||||
};
|
||||
|
||||
static struct platform_device smc91x_device = {
|
||||
.name = "smc91x",
|
||||
.id = -1,
|
||||
.num_resources = ARRAY_SIZE(smc91x_resources),
|
||||
.resource = smc91x_resources,
|
||||
.dev = {
|
||||
.platform_data = &stargate2_smc91x_info,
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
|
||||
static struct pxamci_platform_data stargate2_mci_platform_data;
|
||||
|
||||
/*
|
||||
* The card detect interrupt isn't debounced so we delay it by 250ms
|
||||
* to give the card a chance to fully insert / eject.
|
||||
*/
|
||||
static int stargate2_mci_init(struct device *dev,
|
||||
irq_handler_t stargate2_detect_int,
|
||||
void *data)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = gpio_request(SG2_SD_POWER_ENABLE, "SG2_sd_power_enable");
|
||||
if (err) {
|
||||
printk(KERN_ERR "Can't get the gpio for SD power control");
|
||||
goto return_err;
|
||||
}
|
||||
gpio_direction_output(SG2_SD_POWER_ENABLE, 0);
|
||||
|
||||
err = gpio_request(SG2_GPIO_nSD_DETECT, "SG2_sd_detect");
|
||||
if (err) {
|
||||
printk(KERN_ERR "Can't get the sd detect gpio");
|
||||
goto free_power_en;
|
||||
}
|
||||
gpio_direction_input(SG2_GPIO_nSD_DETECT);
|
||||
/* Delay to allow for full insertion */
|
||||
stargate2_mci_platform_data.detect_delay = msecs_to_jiffies(250);
|
||||
|
||||
err = request_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT),
|
||||
stargate2_detect_int,
|
||||
IRQ_TYPE_EDGE_BOTH,
|
||||
"MMC card detect",
|
||||
data);
|
||||
if (err) {
|
||||
printk(KERN_ERR "can't request MMC card detect IRQ\n");
|
||||
goto free_nsd_detect;
|
||||
}
|
||||
return 0;
|
||||
|
||||
free_nsd_detect:
|
||||
gpio_free(SG2_GPIO_nSD_DETECT);
|
||||
free_power_en:
|
||||
gpio_free(SG2_SD_POWER_ENABLE);
|
||||
return_err:
|
||||
return err;
|
||||
}
|
||||
|
||||
/**
|
||||
* stargate2_mci_setpower() - set state of mmc power supply
|
||||
*
|
||||
* Very simple control. Either it is on or off and is controlled by
|
||||
* a gpio pin */
|
||||
static void stargate2_mci_setpower(struct device *dev, unsigned int vdd)
|
||||
{
|
||||
gpio_set_value(SG2_SD_POWER_ENABLE, !!vdd);
|
||||
}
|
||||
|
||||
static void stargate2_mci_exit(struct device *dev, void *data)
|
||||
{
|
||||
free_irq(IRQ_GPIO(SG2_GPIO_nSD_DETECT), data);
|
||||
gpio_free(SG2_SD_POWER_ENABLE);
|
||||
gpio_free(SG2_GPIO_nSD_DETECT);
|
||||
}
|
||||
|
||||
static struct pxamci_platform_data stargate2_mci_platform_data = {
|
||||
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
||||
.init = stargate2_mci_init,
|
||||
.setpower = stargate2_mci_setpower,
|
||||
.exit = stargate2_mci_exit,
|
||||
};
|
||||
|
||||
static struct mtd_partition stargate2flash_partitions[] = {
|
||||
{
|
||||
.name = "Bootloader",
|
||||
.size = 0x00040000,
|
||||
.offset = 0,
|
||||
.mask_flags = 0,
|
||||
}, {
|
||||
.name = "Kernel",
|
||||
.size = 0x00200000,
|
||||
.offset = 0x00040000,
|
||||
.mask_flags = 0
|
||||
}, {
|
||||
.name = "Filesystem",
|
||||
.size = 0x01DC0000,
|
||||
.offset = 0x00240000,
|
||||
.mask_flags = 0
|
||||
},
|
||||
};
|
||||
|
||||
static struct resource flash_resources = {
|
||||
.start = PXA_CS0_PHYS,
|
||||
.end = PXA_CS0_PHYS + SZ_32M - 1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
};
|
||||
|
||||
static struct flash_platform_data stargate2_flash_data = {
|
||||
.map_name = "cfi_probe",
|
||||
.parts = stargate2flash_partitions,
|
||||
.nr_parts = ARRAY_SIZE(stargate2flash_partitions),
|
||||
.name = "PXA27xOnChipROM",
|
||||
.width = 2,
|
||||
};
|
||||
|
||||
static struct platform_device stargate2_flash_device = {
|
||||
.name = "pxa2xx-flash",
|
||||
.id = 0,
|
||||
.dev = {
|
||||
.platform_data = &stargate2_flash_data,
|
||||
},
|
||||
.resource = &flash_resources,
|
||||
.num_resources = 1,
|
||||
};
|
||||
|
||||
/*
|
||||
* SRAM - The Stargate 2 has 32MB of SRAM.
|
||||
*
|
||||
* Here it is made available as an MTD. This will then
|
||||
* typically have a cifs filesystem created on it to provide
|
||||
* fast temporary storage.
|
||||
*/
|
||||
static struct resource sram_resources = {
|
||||
.start = PXA_CS1_PHYS,
|
||||
.end = PXA_CS1_PHYS + SZ_32M-1,
|
||||
.flags = IORESOURCE_MEM,
|
||||
};
|
||||
|
||||
static struct platdata_mtd_ram stargate2_sram_pdata = {
|
||||
.mapname = "Stargate2 SRAM",
|
||||
.bankwidth = 2,
|
||||
};
|
||||
|
||||
static struct platform_device stargate2_sram = {
|
||||
.name = "mtd-ram",
|
||||
.id = 0,
|
||||
.resource = &sram_resources,
|
||||
.num_resources = 1,
|
||||
.dev = {
|
||||
.platform_data = &stargate2_sram_pdata,
|
||||
},
|
||||
};
|
||||
|
||||
static struct pcf857x_platform_data platform_data_pcf857x = {
|
||||
.gpio_base = 128,
|
||||
.n_latch = 0,
|
||||
.setup = NULL,
|
||||
.teardown = NULL,
|
||||
.context = NULL,
|
||||
};
|
||||
|
||||
static struct at24_platform_data pca9500_eeprom_pdata = {
|
||||
.byte_len = 256,
|
||||
.page_size = 4,
|
||||
};
|
||||
|
||||
|
||||
static struct i2c_board_info __initdata stargate2_i2c_board_info[] = {
|
||||
/* Techically this a pca9500 - but it's compatible with the 8574
|
||||
* for gpio expansion and the 24c02 for eeprom access.
|
||||
*/
|
||||
{
|
||||
.type = "pcf8574",
|
||||
.addr = 0x27,
|
||||
.platform_data = &platform_data_pcf857x,
|
||||
}, {
|
||||
.type = "24c02",
|
||||
.addr = 0x57,
|
||||
.platform_data = &pca9500_eeprom_pdata,
|
||||
}, {
|
||||
.type = "max1238",
|
||||
.addr = 0x35,
|
||||
}, { /* ITS400 Sensor board only */
|
||||
.type = "max1363",
|
||||
.addr = 0x34,
|
||||
/* Through a nand gate - Also beware, on V2 sensor board the
|
||||
* pull up resistors are missing.
|
||||
*/
|
||||
.irq = IRQ_GPIO(99),
|
||||
}, { /* ITS400 Sensor board only */
|
||||
.type = "tsl2561",
|
||||
.addr = 0x49,
|
||||
/* Through a nand gate - Also beware, on V2 sensor board the
|
||||
* pull up resistors are missing.
|
||||
*/
|
||||
.irq = IRQ_GPIO(99),
|
||||
}, { /* ITS400 Sensor board only */
|
||||
.type = "tmp175",
|
||||
.addr = 0x4A,
|
||||
.irq = IRQ_GPIO(96),
|
||||
},
|
||||
};
|
||||
|
||||
static struct i2c_board_info __initdata stargate2_pwr_i2c_board_info[] = {
|
||||
{
|
||||
.type = "da9030",
|
||||
.addr = 0x49,
|
||||
.platform_data = &stargate2_da9030_pdata,
|
||||
.irq = gpio_to_irq(1),
|
||||
},
|
||||
};
|
||||
|
||||
static struct pxa2xx_spi_master pxa_ssp_master_0_info = {
|
||||
.num_chipselect = 1,
|
||||
};
|
||||
|
||||
static struct pxa2xx_spi_master pxa_ssp_master_1_info = {
|
||||
.num_chipselect = 1,
|
||||
};
|
||||
|
||||
static struct pxa2xx_spi_master pxa_ssp_master_2_info = {
|
||||
.num_chipselect = 1,
|
||||
};
|
||||
|
||||
/* An upcoming kernel change will scrap SFRM usage so these
|
||||
* drivers have been moved to use gpio's via cs_control */
|
||||
static struct pxa2xx_spi_chip staccel_chip_info = {
|
||||
.tx_threshold = 8,
|
||||
.rx_threshold = 8,
|
||||
.dma_burst_size = 8,
|
||||
.timeout = 235,
|
||||
.gpio_cs = 24,
|
||||
};
|
||||
|
||||
static struct pxa2xx_spi_chip cc2420_info = {
|
||||
.tx_threshold = 8,
|
||||
.rx_threshold = 8,
|
||||
.dma_burst_size = 8,
|
||||
.timeout = 235,
|
||||
.gpio_cs = 39,
|
||||
};
|
||||
|
||||
static struct spi_board_info spi_board_info[] __initdata = {
|
||||
{
|
||||
.modalias = "lis3l02dq",
|
||||
.max_speed_hz = 8000000,/* 8MHz max spi frequency at 3V */
|
||||
.bus_num = 1,
|
||||
.chip_select = 0,
|
||||
.controller_data = &staccel_chip_info,
|
||||
.irq = IRQ_GPIO(96),
|
||||
}, {
|
||||
.modalias = "cc2420",
|
||||
.max_speed_hz = 6500000,
|
||||
.bus_num = 3,
|
||||
.chip_select = 0,
|
||||
.controller_data = &cc2420_info,
|
||||
},
|
||||
};
|
||||
|
||||
static void sg2_udc_command(int cmd)
|
||||
{
|
||||
switch (cmd) {
|
||||
case PXA2XX_UDC_CMD_CONNECT:
|
||||
UP2OCR |= UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE;
|
||||
break;
|
||||
case PXA2XX_UDC_CMD_DISCONNECT:
|
||||
UP2OCR &= ~(UP2OCR_HXOE | UP2OCR_DPPUE | UP2OCR_DPPUBE);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Board doesn't support cable detection - so always lie and say
|
||||
* something is there.
|
||||
*/
|
||||
static int sg2_udc_detect(void)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static struct pxa2xx_udc_mach_info stargate2_udc_info __initdata = {
|
||||
.udc_is_connected = sg2_udc_detect,
|
||||
.udc_command = sg2_udc_command,
|
||||
};
|
||||
|
||||
static struct platform_device *stargate2_devices[] = {
|
||||
&stargate2_flash_device,
|
||||
&stargate2_sram,
|
||||
&smc91x_device,
|
||||
&sht15,
|
||||
};
|
||||
|
||||
static struct i2c_pxa_platform_data i2c_pwr_pdata = {
|
||||
.fast_mode = 1,
|
||||
};
|
||||
|
||||
static struct i2c_pxa_platform_data i2c_pdata = {
|
||||
.fast_mode = 1,
|
||||
};
|
||||
|
||||
static void __init stargate2_init(void)
|
||||
{
|
||||
/* This is probably a board specific hack as this must be set
|
||||
prior to connecting the MFP stuff up. */
|
||||
MECR &= ~MECR_NOS;
|
||||
|
||||
pxa2xx_mfp_config(ARRAY_AND_SIZE(stargate2_pin_config));
|
||||
|
||||
/* spi chip selects */
|
||||
gpio_direction_output(37, 0);
|
||||
gpio_direction_output(24, 0);
|
||||
gpio_direction_output(39, 0);
|
||||
|
||||
platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
|
||||
|
||||
pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
|
||||
pxa2xx_set_spi_info(2, &pxa_ssp_master_1_info);
|
||||
pxa2xx_set_spi_info(3, &pxa_ssp_master_2_info);
|
||||
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
|
||||
|
||||
i2c_register_board_info(0, ARRAY_AND_SIZE(stargate2_i2c_board_info));
|
||||
i2c_register_board_info(1,
|
||||
ARRAY_AND_SIZE(stargate2_pwr_i2c_board_info));
|
||||
pxa27x_set_i2c_power_info(&i2c_pwr_pdata);
|
||||
pxa_set_i2c_info(&i2c_pdata);
|
||||
|
||||
pxa_set_mci_info(&stargate2_mci_platform_data);
|
||||
|
||||
pxa_set_udc_info(&stargate2_udc_info);
|
||||
|
||||
stargate2_reset_bluetooth();
|
||||
}
|
||||
|
||||
MACHINE_START(STARGATE2, "Stargate 2")
|
||||
.phys_io = 0x40000000,
|
||||
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
||||
.map_io = pxa_map_io,
|
||||
.init_irq = pxa27x_init_irq,
|
||||
.timer = &pxa_timer,
|
||||
.init_machine = stargate2_init,
|
||||
.boot_params = 0xA0000100,
|
||||
MACHINE_END
|
||||
Loading…
Reference in a new issue