Change it to the new serial driver model, enabling serial console

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
+