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/*
* arch/arm/mach-ns9xxx/mach-cc9p9215.c
*
* Copyright (C) 2007 by Digi International Inc.
* All rights reserved.
*
* 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/i2c.h>
#include <linux/i2c/pca953x.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/gpio.h>
#include <linux/crc32.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <asm/leds.h>
#include "irq.h"
#include "pipermain.h"
#include "processor-ns921x.h"
#include "ns921x_devices.h"
#include "ns9215_devices.h"
#include "cc9p9215_devices.h"
#include "ccw9p9215_devices.h"
/* I2C devices */
#if defined(CONFIG_GPIO_PCA953X) || defined(CONFIG_GPIO_PCA953X_MODULE)
static struct pca953x_platform_data pca9554_data = {
.gpio_base = 108,
};
#endif
static struct i2c_board_info i2c_devices[] __initdata = {
#if defined(CONFIG_GPIO_PCA953X) || defined(CONFIG_GPIO_PCA953X_MODULE)
{
I2C_BOARD_INFO("pca9554", 0x20),
.platform_data = &pca9554_data,
},
#endif
};
#ifdef CONFIG_CC9P9215JS_TOUCH
static int touch_pendown_state(void)
{
return gpio_get_value(101) ? 0 : 1;
}
static struct ads7846_platform_data cc9p9215js_touch_data = {
.model = 7843,
.get_pendown_state = touch_pendown_state,
.x_min = 100,
.y_min = 100,
.x_max = 4000,
.y_max = 4000,
.rotate = 180,
.buflen = 20,
.skip_samples = 0,
};
void __init cc9p9215js_add_device_touch(void)
{
if (gpio_request(101, "ads7846"))
return;
gpio_configure_ns921x(101, 0, 0, 2, 0);
}
#define CC9P9215JS_TOUCH \
{ \
.modalias = "ads7846", \
.max_speed_hz = 300000, \
.irq = IRQ_NS9XXX_EXT3, \
.bus_num = 1, \
.chip_select = 0, \
.platform_data = &cc9p9215js_touch_data, \
},
#else
#define CC9P9215JS_TOUCH
void __init cc9p9215js_add_device_touch(void) {}
#endif
/* SPI devices */
static struct spi_board_info spi_devices[] __initdata = {
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
.max_speed_hz = 10000000,
.bus_num = 1,
.chip_select = 0,
},
#endif
CC9P9215JS_TOUCH
};
#if defined(CONFIG_DIGI_PIPER_WIFI)
static struct piper_pdata ccw9p9215_piper_pdata = {
.rst_gpio = 92,
.irq_gpio = 104,
.i2c_adapter_num = 0,
};
static void __init ccw9p9215js_fixup(struct machine_desc *desc,
struct tag *tags, char **cmdline,
struct meminfo *mi)
{
unsigned char *mac = phys_to_virt(desc->boot_params) + 0xf00;
wcd_data_t *pwcal;
u32 crc;
/* 8 bytes after the mac address, its located the calibration data */
pwcal = (wcd_data_t *)(mac + 8);
memcpy(&ccw9p9215_piper_pdata.macaddr[0], mac, 6);
if (!strncmp(pwcal->header.magic_string, WCD_MAGIC,
sizeof(pwcal->header.magic_string))) {
/* check version */
if (((pwcal->header.ver_major >= '1') && (pwcal->header.ver_major <= '9')) &&
((pwcal->header.ver_minor >= '0') && (pwcal->header.ver_minor <= '9'))) {
crc = ~crc32_le(~0, (unsigned char const *)pwcal->cal_curves_bg,
pwcal->header.wcd_len);
if (crc == pwcal->header.wcd_crc) {
memcpy(&ccw9p9215_piper_pdata.wcd, pwcal, sizeof(wcd_data_t));
return;
}
}
}
memset(&ccw9p9215_piper_pdata.wcd, 0, sizeof(wcd_data_t));
}
#endif
static void __init mach_ccw9p9215js_init_machine(void)
{
/* register several system clocks */
ns921x_init_machine();
/* UARTs */
#if defined(CONFIG_CC9P9215JS_SERIAL_PORTA_RXTX)
ns9xxx_add_device_cc9p9215_uarta_rxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTA_CTSRTSRXTX) || \
defined(CONFIG_CC9P9215JS_SERIAL_PORTA_RXTX485)
ns9xxx_add_device_cc9p9215_uarta_ctsrtsrxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTA_FULL)
ns9xxx_add_device_cc9p9215_uarta_full();
#endif
#if defined(CONFIG_CC9P9215JS_SERIAL_PORTB_RXTX)
ns9xxx_add_device_cc9p9215_uartb_rxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTB_CTSRTSRXTX) || \
defined(CONFIG_CC9P9215JS_SERIAL_PORTB_RXTX485)
ns9xxx_add_device_cc9p9215_uartb_ctsrtsrxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTB_FULL)
ns9xxx_add_device_cc9p9215_uartb_full();
#endif
#if defined(CONFIG_CC9P9215JS_SERIAL_PORTC_RXTX)
ns9xxx_add_device_cc9p9215_uartc_rxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTC_CTSRTSRXTX) || \
defined(CONFIG_CC9P9215JS_SERIAL_PORTC_RXTX485)
ns9xxx_add_device_cc9p9215_uartc_ctsrtsrxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTC_FULL)
ns9xxx_add_device_cc9p9215_uartc_full();
#endif
#if defined(CONFIG_CC9P9215JS_SERIAL_PORTD_RXTX)
ns9xxx_add_device_cc9p9215_uartd_rxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTD_CTSRTSRXTX) || \
defined(CONFIG_CC9P9215JS_SERIAL_PORTD_RXTX485)
ns9xxx_add_device_cc9p9215_uartd_ctsrtsrxtx();
#elif defined(CONFIG_CC9P9215JS_SERIAL_PORTD_FULL)
ns9xxx_add_device_cc9p9215_uartd_full();
#endif
/* Ethernet */
ns9xxx_add_device_cc9p9215_eth();
/* 802.11 */
#if defined(CONFIG_DIGI_PIPER_WIFI)
ns9xxx_add_device_ccw9p9215_wifi(&ccw9p9215_piper_pdata);
#endif
/* SPI */
#ifdef CONFIG_CC9P9215JS_SPI
ns9xxx_add_device_cc9p9215_spi();
#endif
/* SPI devices */
spi_register_board_info(spi_devices, ARRAY_SIZE(spi_devices));
/* Watchdog timer */
ns9xxx_add_device_ns921x_wdt();
/* NOR Flash */
ns9xxx_add_device_cc9p9215_flash();
/* I2C controller */
ns9xxx_add_device_cc9p9215_i2c();
/* I2C devices */
i2c_register_board_info(0, i2c_devices, ARRAY_SIZE(i2c_devices));
/* Leds */
ns9xxx_add_device_ns9215_leds();
/* Analog Digital Converter */
ns9xxx_add_device_ns9215_adc();
/* AES HW Encryption module */
#if defined(CONFIG_CRYPTO_DEV_NS921X_AES) || \
defined(CONFIG_CRYPTO_DEV_NS921X_AES_MODULE)
ns9xxx_add_device_ns921x_aes();
#endif
/* Real Time Clock */
ns9xxx_add_device_ns9215_rtc();
/* GPIO 4 is used as wake up gpio */
(void)ns921x_extgpio_pm_wakeup_init(4);
/* Init the FIM devices */
ns9xxx_add_device_ns921x_fims();
/* Video */
ns9xxx_add_device_cc9p9215_edt_diplay();
/* Touchscreen */
cc9p9215js_add_device_touch();
}
MACHINE_START(CCW9P9215JS, "ConnectCore Wi-9P 9215 on a JSCCW9P9215 Devboard")
.map_io = ns921x_map_io,
.init_irq = ns9xxx_init_irq,
#if defined(CONFIG_DIGI_PIPER_WIFI)
.fixup = ccw9p9215js_fixup,
#endif
.init_machine = mach_ccw9p9215js_init_machine,
.timer = &ns921x_timer,
.boot_params = 0x100,
MACHINE_END
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