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Diffstat (limited to 'packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c')
-rw-r--r--packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c b/packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c
new file mode 100644
index 0000000000..47be53bf81
--- /dev/null
+++ b/packages/linux/nslu2-kernel/2.6.12/nslu2-setup.c
@@ -0,0 +1,156 @@
+/*
+ * arch/arm/mach-ixp4xx/nslu2-setup.c
+ *
+ * NSLU2 board-setup
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Mark Rakes <mrakes at mac.com>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ * Fixed missing init_time in MACHINE_START kas11 10/22/04
+ * Changed to conform to new style __init ixdp425 kas11 10/22/04
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+void __init nslu2_map_io(void)
+{
+ ixp4xx_map_io();
+}
+
+static struct flash_platform_data nslu2_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource nslu2_flash_resource = {
+ .start = NSLU2_FLASH_BASE,
+ .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device nslu2_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &nslu2_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &nslu2_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
+ .sda_pin = NSLU2_SDA_PIN,
+ .scl_pin = NSLU2_SCL_PIN,
+};
+
+static struct platform_device nslu2_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev = {
+ .platform_data = &nslu2_i2c_gpio_pins,
+ },
+ .num_resources = 0
+};
+
+static struct resource nslu2_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ },
+#if 0
+ , {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM
+ }
+#endif
+};
+
+static struct plat_serial8250_port nslu2_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,
+ },
+ {
+ },
+
+#if 0
+ , {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ }
+#endif
+};
+
+static struct platform_device nslu2_uart = {
+ .name = "serial8250",
+ .id = 0,
+ .dev.platform_data = nslu2_uart_data,
+ .num_resources = 2,
+ .resource = nslu2_uart_resources
+};
+
+static struct platform_device *nslu2_devices[] __initdata = {
+ &nslu2_i2c_controller,
+ &nslu2_flash,
+ &nslu2_uart
+};
+
+static void n2_power_off(void)
+{
+ /* This causes the box to drop the power and go dead. */
+#define GPIO_PO_BM 0x0100 //b0000 0001 0000 0000
+ *IXP4XX_GPIO_GPOER &= ~GPIO_PO_BM; // enable the pwr cntl gpio
+ *IXP4XX_GPIO_GPOUTR |= GPIO_PO_BM; // do the deed
+}
+
+static void __init nslu2_init(void)
+{
+ ixp4xx_sys_init();
+
+ pm_power_off = n2_power_off;
+ platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
+}
+
+MACHINE_START(NSLU2, "Linksys NSLU2")
+ MAINTAINER("www.nslu2-linux.org")
+ BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
+ IXP4XX_PERIPHERAL_BASE_VIRT)
+ MAPIO(nslu2_map_io)
+ INITIRQ(ixp4xx_init_irq) //FIXME: all irq are off here
+ .timer = &ixp4xx_timer,
+ // INITTIME(ixp4xx_init_time) //this was missing in 2.6.7 code ...soft reboot needed?
+ BOOT_PARAMS(0x0100)
+ INIT_MACHINE(nslu2_init)
+MACHINE_END
+