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Diffstat (limited to 'arch/arm/mach-ixp4xx/dsmg600-setup.c')
-rw-r--r--arch/arm/mach-ixp4xx/dsmg600-setup.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
new file mode 100644
index 00000000000..1caff65e22c
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -0,0 +1,175 @@
+/*
+ * DSM-G600 board-setup
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ * Maintainers: http://www.nslu2-linux.org/
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data dsmg600_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource dsmg600_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device dsmg600_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev.platform_data = &dsmg600_flash_data,
+ .num_resources = 1,
+ .resource = &dsmg600_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins dsmg600_i2c_gpio_pins = {
+ .sda_pin = DSMG600_SDA_PIN,
+ .scl_pin = DSMG600_SCL_PIN,
+};
+
+static struct platform_device dsmg600_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev.platform_data = &dsmg600_i2c_gpio_pins,
+};
+
+#ifdef CONFIG_LEDS_CLASS
+static struct resource dsmg600_led_resources[] = {
+ {
+ .name = "power",
+ .start = DSMG600_LED_PWR_GPIO,
+ .end = DSMG600_LED_PWR_GPIO,
+ .flags = IXP4XX_GPIO_HIGH,
+ },
+ {
+ .name = "wlan",
+ .start = DSMG600_LED_WLAN_GPIO,
+ .end = DSMG600_LED_WLAN_GPIO,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+};
+
+static struct platform_device dsmg600_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(dsmg600_led_resources),
+ .resource = dsmg600_led_resources,
+};
+#endif
+
+static struct resource dsmg600_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct plat_serial8250_port dsmg600_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { }
+};
+
+static struct platform_device dsmg600_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = dsmg600_uart_data,
+ .num_resources = ARRAY_SIZE(dsmg600_uart_resources),
+ .resource = dsmg600_uart_resources,
+};
+
+static struct platform_device *dsmg600_devices[] __initdata = {
+ &dsmg600_i2c_controller,
+ &dsmg600_flash,
+};
+
+static void dsmg600_power_off(void)
+{
+ /* enable the pwr cntl gpio */
+ gpio_line_config(DSMG600_PO_GPIO, IXP4XX_GPIO_OUT);
+
+ /* poweroff */
+ gpio_line_set(DSMG600_PO_GPIO, IXP4XX_GPIO_HIGH);
+}
+
+static void __init dsmg600_init(void)
+{
+ ixp4xx_sys_init();
+
+ /* Make sure that GPIO14 and GPIO15 are not used as clocks */
+ *IXP4XX_GPIO_GPCLKR = 0;
+
+ dsmg600_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+ dsmg600_flash_resource.end =
+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+ pm_power_off = dsmg600_power_off;
+
+ /* The UART is required on the DSM-G600 (Redboot cannot use the
+ * NIC) -- do it here so that it does *not* get removed if
+ * platform_add_devices fails!
+ */
+ (void)platform_device_register(&dsmg600_uart);
+
+ platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices));
+
+#ifdef CONFIG_LEDS_CLASS
+ /* We don't care whether or not this works. */
+ (void)platform_device_register(&dsmg600_leds);
+#endif
+}
+
+static void __init dsmg600_fixup(struct machine_desc *desc,
+ struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+ /* The xtal on this machine is non-standard. */
+ ixp4xx_timer_freq = DSMG600_FREQ;
+}
+
+MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
+ /* Maintainer: www.nslu2-linux.org */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .fixup = dsmg600_fixup,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .init_machine = dsmg600_init,
+MACHINE_END