* Copyright (C) 2003-2004 MontaVista Software, Inc.
*
* Author: Mark Rakes <mrakes at mac.com>
+ * Author: Rod Whitby <rod@whitby.id.au>
* Maintainers: http://www.nslu2-linux.org/
*
* Fixed missing init_time in MACHINE_START kas11 10/22/04
#include <linux/kernel.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/i2c-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
+#include <asm/mach/time.h>
static struct flash_platform_data nslu2_flash_data = {
.map_name = "cfi_probe",
.resource = &nslu2_flash_resource,
};
-static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
+static struct i2c_gpio_platform_data nslu2_i2c_gpio_data = {
.sda_pin = NSLU2_SDA_PIN,
.scl_pin = NSLU2_SCL_PIN,
};
-static struct platform_device nslu2_i2c_controller = {
- .name = "IXP4XX-I2C",
+#ifdef CONFIG_LEDS_IXP4XX
+static struct resource nslu2_led_resources[] = {
+ {
+ .name = "ready", /* green led */
+ .start = NSLU2_LED_GRN_GPIO,
+ .end = NSLU2_LED_GRN_GPIO,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "status", /* red led */
+ .start = NSLU2_LED_RED_GPIO,
+ .end = NSLU2_LED_RED_GPIO,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "disk-1",
+ .start = NSLU2_LED_DISK1_GPIO,
+ .end = NSLU2_LED_DISK1_GPIO,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "disk-2",
+ .start = NSLU2_LED_DISK2_GPIO,
+ .end = NSLU2_LED_DISK2_GPIO,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device nslu2_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nslu2_led_resources),
+ .resource = nslu2_led_resources,
+};
+#endif
+
+static struct platform_device nslu2_i2c_gpio = {
+ .name = "i2c-gpio",
.id = 0,
- .dev.platform_data = &nslu2_i2c_gpio_pins,
- .num_resources = 0,
+ .dev = {
+ .platform_data = &nslu2_i2c_gpio_data,
+ },
};
static struct platform_device nslu2_beeper = {
};
static struct platform_device *nslu2_devices[] __initdata = {
- &nslu2_i2c_controller,
+ &nslu2_i2c_gpio,
&nslu2_flash,
- &nslu2_uart,
&nslu2_beeper,
+#ifdef CONFIG_LEDS_IXP4XX
+ &nslu2_leds,
+#endif
};
static void nslu2_power_off(void)
gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH);
}
+static void __init nslu2_timer_init(void)
+{
+ /* The xtal on this machine is non-standard. */
+ ixp4xx_timer_freq = NSLU2_FREQ;
+
+ /* Call standard timer_init function. */
+ ixp4xx_timer_init();
+}
+
+static struct sys_timer nslu2_timer = {
+ .init = nslu2_timer_init,
+};
+
static void __init nslu2_init(void)
{
ixp4xx_sys_init();
pm_power_off = nslu2_power_off;
+ /*
+ * This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&nslu2_uart);
+
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
}
.boot_params = 0x00000100,
.map_io = ixp4xx_map_io,
.init_irq = ixp4xx_init_irq,
- .timer = &ixp4xx_timer,
+ .timer = &nslu2_timer,
.init_machine = nslu2_init,
MACHINE_END