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+/*
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+ * DSM-G600 board-setup
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+ *
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+ * Copyright (C) 2006 Tower Technologies
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+ * Author: Alessandro Zummo <a.zummo@towertech.it>
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+ *
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+ * based ixdp425-setup.c:
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+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
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+ *
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+ * Author: Alessandro Zummo <a.zummo@towertech.it>
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+ * Maintainers: http://www.nslu2-linux.org/
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/serial.h>
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+#include <linux/serial_8250.h>
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+
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+#include <asm/mach-types.h>
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+#include <asm/mach/arch.h>
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+#include <asm/mach/flash.h>
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+
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+static struct flash_platform_data dsmg600_flash_data = {
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+ .map_name = "cfi_probe",
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+ .width = 2,
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+};
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+
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+static struct resource dsmg600_flash_resource = {
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device dsmg600_flash = {
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+ .name = "IXP4XX-Flash",
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+ .id = 0,
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+ .dev.platform_data = &dsmg600_flash_data,
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+ .num_resources = 1,
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+ .resource = &dsmg600_flash_resource,
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+};
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+
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+static struct ixp4xx_i2c_pins dsmg600_i2c_gpio_pins = {
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+ .sda_pin = DSMG600_SDA_PIN,
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+ .scl_pin = DSMG600_SCL_PIN,
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+};
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+
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+static struct platform_device dsmg600_i2c_controller = {
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+ .name = "IXP4XX-I2C",
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+ .id = 0,
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+ .dev.platform_data = &dsmg600_i2c_gpio_pins,
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+};
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+
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+#ifdef CONFIG_LEDS_CLASS
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+static struct resource dsmg600_led_resources[] = {
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+ {
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+ .name = "power",
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+ .start = DSMG600_LED_PWR_GPIO,
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+ .end = DSMG600_LED_PWR_GPIO,
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+ .flags = IXP4XX_GPIO_HIGH,
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+ },
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+ {
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+ .name = "wlan",
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+ .start = DSMG600_LED_WLAN_GPIO,
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+ .end = DSMG600_LED_WLAN_GPIO,
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+ .flags = IXP4XX_GPIO_LOW,
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+ },
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+};
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+
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+static struct platform_device dsmg600_leds = {
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+ .name = "IXP4XX-GPIO-LED",
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+ .id = -1,
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+ .num_resources = ARRAY_SIZE(dsmg600_led_resources),
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+ .resource = dsmg600_led_resources,
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+};
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+#endif
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+
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+static struct resource dsmg600_uart_resources[] = {
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+ {
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+ .start = IXP4XX_UART1_BASE_PHYS,
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+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .start = IXP4XX_UART2_BASE_PHYS,
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+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM,
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+ }
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+};
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+
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+static struct plat_serial8250_port dsmg600_uart_data[] = {
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+ {
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+ .mapbase = IXP4XX_UART1_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART1,
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+ .flags = UPF_BOOT_AUTOCONF,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ {
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+ .mapbase = IXP4XX_UART2_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART2,
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+ .flags = UPF_BOOT_AUTOCONF,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ { }
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+};
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+
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+static struct platform_device dsmg600_uart = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM,
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+ .dev.platform_data = dsmg600_uart_data,
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+ .num_resources = ARRAY_SIZE(dsmg600_uart_resources),
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+ .resource = dsmg600_uart_resources,
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+};
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+
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+static struct platform_device *dsmg600_devices[] __initdata = {
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+ &dsmg600_i2c_controller,
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+ &dsmg600_flash,
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+};
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+
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+static void dsmg600_power_off(void)
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+{
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+ /* enable the pwr cntl gpio */
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+ gpio_line_config(DSMG600_PO_GPIO, IXP4XX_GPIO_OUT);
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+
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+ /* poweroff */
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+ gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH);
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+}
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+
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+static void __init dsmg600_init(void)
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+{
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+ ixp4xx_sys_init();
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+
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+ /* Make sure that GPIO14 and GPIO15 are not used as clocks */
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+ *IXP4XX_GPIO_GPCLKR = 0;
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+
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+ dsmg600_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+ dsmg600_flash_resource.end =
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+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
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+
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+ pm_power_off = dsmg600_power_off;
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+
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+ /* The UART is required on the DSM-G600 (Redboot cannot use the
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+ * NIC) -- do it here so that it does *not* get removed if
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+ * platform_add_devices fails!
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+ */
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+ (void)platform_device_register(&dsmg600_uart);
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+
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+ platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices));
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+
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+#ifdef CONFIG_LEDS_CLASS
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+ /* We don't care whether or not this works. */
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+ (void)platform_device_register(&dsmg600_leds);
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+#endif
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+}
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+
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+static void __init dsmg600_fixup(struct machine_desc *desc,
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+ struct tag *tags, char **cmdline, struct meminfo *mi)
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+{
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+ /* The xtal on this machine is non-standard. */
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+ ixp4xx_timer_freq = DSMG600_FREQ;
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+}
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+
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+MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
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+ /* Maintainer: www.nslu2-linux.org */
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+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
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+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
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+ .boot_params = 0x00000100,
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+ .fixup = dsmg600_fixup,
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+ .map_io = ixp4xx_map_io,
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+ .init_irq = ixp4xx_init_irq,
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+ .timer = &ixp4xx_timer,
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+ .init_machine = dsmg600_init,
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+MACHINE_END
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