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 000000000000..1caff65e22cc
--- /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